Merge branch '10.1' into 10.2

91 files changed, 5064 insertions, 38 deletions

diff --git a/plugin/auth_ed25519/CMakeLists.txt b/plugin/auth_ed25519/CMakeLists.txt
new file mode 100644
index 00000000000..73d8eeb208b
--- /dev/null
+++ b/plugin/auth_ed25519/CMakeLists.txt
@@ -0,0 +1,32 @@
+SET(REF10_SOURCES
+      ref10/fe_0.c ref10/fe_1.c ref10/fe_add.c ref10/fe_cmov.c ref10/fe_copy.c
+      ref10/fe_frombytes.c ref10/fe_invert.c ref10/fe_isnegative.c
+      ref10/fe_isnonzero.c ref10/fe_mul.c ref10/fe_neg.c ref10/fe_pow22523.c
+      ref10/fe_sq.c ref10/fe_sq2.c ref10/fe_sub.c ref10/fe_tobytes.c
+      ref10/ge_add.c ref10/ge_double_scalarmult.c ref10/ge_frombytes.c
+      ref10/ge_madd.c ref10/ge_msub.c ref10/ge_p1p1_to_p2.c
+      ref10/ge_p1p1_to_p3.c ref10/ge_p2_0.c ref10/ge_p2_dbl.c ref10/ge_p3_0.c
+      ref10/ge_p3_dbl.c ref10/ge_p3_to_cached.c ref10/ge_p3_to_p2.c
+      ref10/ge_p3_tobytes.c ref10/ge_precomp_0.c ref10/ge_scalarmult_base.c
+      ref10/ge_sub.c ref10/ge_tobytes.c ref10/keypair.c ref10/open.c
+      ref10/sc_muladd.c ref10/sc_reduce.c ref10/sign.c ref10/verify.c)
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+
+ADD_CONVENIENCE_LIBRARY(ref10 ${REF10_SOURCES})
+IF(MSVC)
+   # Silence conversion (integer truncantion) warnings from reference code
+  SET_SOURCE_FILES_PROPERTIES(${REF10_SOURCES} PROPERTY COMPILE_FLAGS "/wd4244 /wd4146")
+ENDIF()
+
+# server plugin *cannot* link with the library, it needs all sources to be
+# compiled with MYSQL_DYNAMIC_PLUGIN
+MYSQL_ADD_PLUGIN(auth_ed25519 server_ed25519.c ${REF10_SOURCES} MODULE_ONLY)
+
+# client plugin and unit test ed25519-t can use the library
+MYSQL_ADD_PLUGIN(client_ed25519 client_ed25519.c MODULE_ONLY
+  CLIENT LINK_LIBRARIES mysys_ssl ref10 COMPONENT ClientPlugins)
+
+IF(WITH_UNIT_TESTS)
+  MY_ADD_TESTS(ed25519 LINK_LIBRARIES mysys ref10)
+ENDIF()
diff --git a/plugin/auth_ed25519/README b/plugin/auth_ed25519/README
new file mode 100644
index 00000000000..e65a33e6019
--- /dev/null
+++ b/plugin/auth_ed25519/README
@@ -0,0 +1,27 @@
+This plugin uses public domain ed25519 code
+by Daniel J. Bernstein, Niels Duif, Tanja Lange, Peter Schwabe, Bo-Yin Yang.
+
+It is "ref10" implementation from the SUPERCOP:
+https://bench.cr.yp.to/supercop.html
+
+OpenSSH also uses ed25519 from SUPERCOP, but "ref" implementation.
+
+There are four ed25519 implementations in SUPERCOP, ref10 is faster then ref,
+and there are two that are even faster, written in amd64 assembler.
+Benchmarks are here: https://bench.cr.yp.to/impl-sign/ed25519.html
+
+==============================
+MariaDB changes:
+
+API functions were simplified to better fit our use case:
+* crypto_sign_open() does not return the verified message, only the
+  result of the verification (passed/failed)
+* no secret key is generated explicitly, user specified password is used
+  as a source of randomness instead (SHA512("user password")).
+* lengths are not returned, where they're known in advance
+  (e.g. from crypto_sign()).
+* crypto_sign() does not take the public key as an argument, but
+  generates it on the fly (we used to generate public key before
+  crypto_sign(), doing it internally avoids double work).
+
+See the changes done in this commit.
diff --git a/plugin/auth_ed25519/client_ed25519.c b/plugin/auth_ed25519/client_ed25519.c
new file mode 100644
index 00000000000..16267a156c7
--- /dev/null
+++ b/plugin/auth_ed25519/client_ed25519.c
@@ -0,0 +1,68 @@
+/*
+   Copyright (c) 2017, MariaDB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+/************************** CLIENT *************************************/
+
+#include <stdlib.h>
+#include "common.h"
+#include <mysql/client_plugin.h>
+#include <errmsg.h>
+
+#if !defined(__attribute__) && !defined(__GNUC__)
+#define __attribute__(A)
+#endif
+
+static int do_auth(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
+{
+  unsigned char reply[CRYPTO_BYTES + NONCE_BYTES], *pkt;
+  int pkt_len;
+
+  /* read the nonce */
+  if ((pkt_len= vio->read_packet(vio, &pkt)) != NONCE_BYTES)
+    return CR_SERVER_HANDSHAKE_ERR;
+
+  /* sign the nonce */
+  crypto_sign(reply, pkt, NONCE_BYTES,
+              (unsigned char*)mysql->passwd, strlen(mysql->passwd));
+
+  /* send the signature */
+  if (vio->write_packet(vio, reply, CRYPTO_BYTES))
+    return CR_ERROR;
+
+  return CR_OK;
+}
+
+static int init_client(char *unused1   __attribute__((unused)),
+                       size_t unused2  __attribute__((unused)),
+                       int unused3     __attribute__((unused)),
+                       va_list unused4 __attribute__((unused)))
+{
+  return 0;
+}
+
+mysql_declare_client_plugin(AUTHENTICATION)
+  "client_ed25519",
+  "Sergei Golubchik",
+  "Elliptic curve ED25519 based authentication",
+  {0,1,0},
+  "GPL",
+  NULL,
+  init_client,
+  NULL,
+  NULL,
+  do_auth,
+mysql_end_client_plugin;
+
diff --git a/plugin/auth_ed25519/common.h b/plugin/auth_ed25519/common.h
new file mode 100644
index 00000000000..4a52f7742f5
--- /dev/null
+++ b/plugin/auth_ed25519/common.h
@@ -0,0 +1,23 @@
+/*
+   Copyright (c) 2017, MariaDB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+#include <mysql.h>
+#include <string.h>
+
+#include "ref10/api.h"
+#include "crypto_sign.h"
+
+#define NONCE_BYTES 32
diff --git a/plugin/auth_ed25519/crypto_hash_sha512.h b/plugin/auth_ed25519/crypto_hash_sha512.h
new file mode 100644
index 00000000000..a1be896f911
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_hash_sha512.h
@@ -0,0 +1,2 @@
+#include <mysql/service_sha2.h>
+#define crypto_hash_sha512(DST,SRC,SLEN) my_sha512(DST,(char*)(SRC),SLEN)
diff --git a/plugin/auth_ed25519/crypto_int32.h b/plugin/auth_ed25519/crypto_int32.h
new file mode 100644
index 00000000000..642fca05767
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_int32.h
@@ -0,0 +1,5 @@
+#include <stdint.h>
+#include <sys/types.h>
+typedef int32_t crypto_int32;
+
+#define select ed25519_select
diff --git a/plugin/auth_ed25519/crypto_int64.h b/plugin/auth_ed25519/crypto_int64.h
new file mode 100644
index 00000000000..a308e406721
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_int64.h
@@ -0,0 +1,5 @@
+#include <stdint.h>
+#include <sys/types.h>
+typedef int64_t crypto_int64;
+
+#define select ed25519_select
diff --git a/plugin/auth_ed25519/crypto_sign.h b/plugin/auth_ed25519/crypto_sign.h
new file mode 100644
index 00000000000..e12a8c71f6e
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_sign.h
@@ -0,0 +1,13 @@
+int crypto_sign_keypair(
+  unsigned char *pk,
+  unsigned char *pw, unsigned long long pwlen
+);
+int crypto_sign(
+  unsigned char *sm,
+  const unsigned char *m, unsigned long long mlen,
+  const unsigned char *pw, unsigned long long pwlen
+);
+int crypto_sign_open(
+  unsigned char *sm, unsigned long long smlen,
+  const unsigned char *pk
+);
diff --git a/plugin/auth_ed25519/crypto_uint32.h b/plugin/auth_ed25519/crypto_uint32.h
new file mode 100644
index 00000000000..ab2977caac2
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_uint32.h
@@ -0,0 +1,5 @@
+#include <stdint.h>
+#include <sys/types.h>
+typedef uint32_t crypto_uint32;
+
+#define select ed25519_select
diff --git a/plugin/auth_ed25519/crypto_uint64.h b/plugin/auth_ed25519/crypto_uint64.h
new file mode 100644
index 00000000000..029c68191ab
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_uint64.h
@@ -0,0 +1,5 @@
+#include <stdint.h>
+#include <sys/types.h>
+typedef uint64_t crypto_uint64;
+
+#define select ed25519_select
diff --git a/plugin/auth_ed25519/crypto_verify.h b/plugin/auth_ed25519/crypto_verify.h
new file mode 100644
index 00000000000..33e11b1edb0
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_verify.h
@@ -0,0 +1 @@
+int crypto_verify(const unsigned char *x,const unsigned char *y);
diff --git a/plugin/auth_ed25519/crypto_verify_32.h b/plugin/auth_ed25519/crypto_verify_32.h
new file mode 100644
index 00000000000..d8235b75c79
--- /dev/null
+++ b/plugin/auth_ed25519/crypto_verify_32.h
@@ -0,0 +1,2 @@
+#define crypto_verify_32 crypto_verify
+int crypto_verify(const unsigned char *x,const unsigned char *y);
diff --git a/plugin/auth_ed25519/ed25519-t.c b/plugin/auth_ed25519/ed25519-t.c
new file mode 100644
index 00000000000..f7d58c48d7c
--- /dev/null
+++ b/plugin/auth_ed25519/ed25519-t.c
@@ -0,0 +1,55 @@
+/*
+   Copyright (c) 2017, MariaDB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <tap.h>
+#include <m_string.h>
+#include "common.h"
+
+int main()
+{
+  uchar pk[CRYPTO_PUBLICKEYBYTES];
+  uchar foobar_pk[CRYPTO_PUBLICKEYBYTES]= {170, 253, 166, 27, 161, 214, 10,
+    236, 183, 217, 41, 91, 231, 24, 85, 225, 49, 210, 181, 236, 13, 207, 101,
+    72, 53, 83, 219, 130, 79, 151, 0, 159};
+  uchar foobar_sign[CRYPTO_BYTES]= {232, 61, 201, 63, 67, 63, 51, 53, 86, 73,
+    238, 35, 170, 117, 146, 214, 26, 17, 35, 9, 8, 132, 245, 141, 48, 99, 66,
+    58, 36, 228, 48, 84, 115, 254, 187, 168, 88, 162, 249, 57, 35, 85, 79, 238,
+    167, 106, 68, 117, 56, 135, 171, 47, 20, 14, 133, 79, 15, 229, 124, 160,
+    176, 100, 138, 14};
+
+  uchar nonce[NONCE_BYTES];
+  uchar reply[NONCE_BYTES+CRYPTO_BYTES];
+  int r;
+
+  plan(4);
+
+  crypto_sign_keypair(pk, USTRING_WITH_LEN("foobar"));
+  ok(!memcmp(pk, foobar_pk, CRYPTO_PUBLICKEYBYTES), "foobar pk");
+
+  memset(nonce, 'A', sizeof(nonce));
+  crypto_sign(reply, nonce, sizeof(nonce), USTRING_WITH_LEN("foobar"));
+  ok(!memcmp(reply, foobar_sign, CRYPTO_BYTES), "foobar sign");
+
+  r= crypto_sign_open(reply, sizeof(reply), pk);
+  ok(!r, "good nonce");
+
+  crypto_sign(reply, nonce, sizeof(nonce), USTRING_WITH_LEN("foobar"));
+  reply[CRYPTO_BYTES + 10]='B';
+  r= crypto_sign_open(reply, sizeof(reply), pk);
+  ok(r, "bad nonce");
+
+  return exit_status();
+}
diff --git a/plugin/auth_ed25519/ref10/api.h b/plugin/auth_ed25519/ref10/api.h
new file mode 100644
index 00000000000..9f1db7e566a
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/api.h
@@ -0,0 +1,3 @@
+#define CRYPTO_PUBLICKEYBYTES 32
+#define CRYPTO_BYTES 64
+#define CRYPTO_DETERMINISTIC 1
diff --git a/plugin/auth_ed25519/ref10/base.h b/plugin/auth_ed25519/ref10/base.h
new file mode 100644
index 00000000000..573bd8a05c6
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/base.h
@@ -0,0 +1,1344 @@
+{
+ {
+  { 25967493,-14356035,29566456,3660896,-12694345,4014787,27544626,-11754271,-6079156,2047605 },
+  { -12545711,934262,-2722910,3049990,-727428,9406986,12720692,5043384,19500929,-15469378 },
+  { -8738181,4489570,9688441,-14785194,10184609,-12363380,29287919,11864899,-24514362,-4438546 },
+ },
+ {
+  { -12815894,-12976347,-21581243,11784320,-25355658,-2750717,-11717903,-3814571,-358445,-10211303 },
+  { -21703237,6903825,27185491,6451973,-29577724,-9554005,-15616551,11189268,-26829678,-5319081 },
+  { 26966642,11152617,32442495,15396054,14353839,-12752335,-3128826,-9541118,-15472047,-4166697 },
+ },
+ {
+  { 15636291,-9688557,24204773,-7912398,616977,-16685262,27787600,-14772189,28944400,-1550024 },
+  { 16568933,4717097,-11556148,-1102322,15682896,-11807043,16354577,-11775962,7689662,11199574 },
+  { 30464156,-5976125,-11779434,-15670865,23220365,15915852,7512774,10017326,-17749093,-9920357 },
+ },
+ {
+  { -17036878,13921892,10945806,-6033431,27105052,-16084379,-28926210,15006023,3284568,-6276540 },
+  { 23599295,-8306047,-11193664,-7687416,13236774,10506355,7464579,9656445,13059162,10374397 },
+  { 7798556,16710257,3033922,2874086,28997861,2835604,32406664,-3839045,-641708,-101325 },
+ },
+ {
+  { 10861363,11473154,27284546,1981175,-30064349,12577861,32867885,14515107,-15438304,10819380 },
+  { 4708026,6336745,20377586,9066809,-11272109,6594696,-25653668,12483688,-12668491,5581306 },
+  { 19563160,16186464,-29386857,4097519,10237984,-4348115,28542350,13850243,-23678021,-15815942 },
+ },
+ {
+  { -15371964,-12862754,32573250,4720197,-26436522,5875511,-19188627,-15224819,-9818940,-12085777 },
+  { -8549212,109983,15149363,2178705,22900618,4543417,3044240,-15689887,1762328,14866737 },
+  { -18199695,-15951423,-10473290,1707278,-17185920,3916101,-28236412,3959421,27914454,4383652 },
+ },
+ {
+  { 5153746,9909285,1723747,-2777874,30523605,5516873,19480852,5230134,-23952439,-15175766 },
+  { -30269007,-3463509,7665486,10083793,28475525,1649722,20654025,16520125,30598449,7715701 },
+  { 28881845,14381568,9657904,3680757,-20181635,7843316,-31400660,1370708,29794553,-1409300 },
+ },
+ {
+  { 14499471,-2729599,-33191113,-4254652,28494862,14271267,30290735,10876454,-33154098,2381726 },
+  { -7195431,-2655363,-14730155,462251,-27724326,3941372,-6236617,3696005,-32300832,15351955 },
+  { 27431194,8222322,16448760,-3907995,-18707002,11938355,-32961401,-2970515,29551813,10109425 },
+ },
+},
+{
+ {
+  { -13657040,-13155431,-31283750,11777098,21447386,6519384,-2378284,-1627556,10092783,-4764171 },
+  { 27939166,14210322,4677035,16277044,-22964462,-12398139,-32508754,12005538,-17810127,12803510 },
+  { 17228999,-15661624,-1233527,300140,-1224870,-11714777,30364213,-9038194,18016357,4397660 },
+ },
+ {
+  { -10958843,-7690207,4776341,-14954238,27850028,-15602212,-26619106,14544525,-17477504,982639 },
+  { 29253598,15796703,-2863982,-9908884,10057023,3163536,7332899,-4120128,-21047696,9934963 },
+  { 5793303,16271923,-24131614,-10116404,29188560,1206517,-14747930,4559895,-30123922,-10897950 },
+ },
+ {
+  { -27643952,-11493006,16282657,-11036493,28414021,-15012264,24191034,4541697,-13338309,5500568 },
+  { 12650548,-1497113,9052871,11355358,-17680037,-8400164,-17430592,12264343,10874051,13524335 },
+  { 25556948,-3045990,714651,2510400,23394682,-10415330,33119038,5080568,-22528059,5376628 },
+ },
+ {
+  { -26088264,-4011052,-17013699,-3537628,-6726793,1920897,-22321305,-9447443,4535768,1569007 },
+  { -2255422,14606630,-21692440,-8039818,28430649,8775819,-30494562,3044290,31848280,12543772 },
+  { -22028579,2943893,-31857513,6777306,13784462,-4292203,-27377195,-2062731,7718482,14474653 },
+ },
+ {
+  { 2385315,2454213,-22631320,46603,-4437935,-15680415,656965,-7236665,24316168,-5253567 },
+  { 13741529,10911568,-33233417,-8603737,-20177830,-1033297,33040651,-13424532,-20729456,8321686 },
+  { 21060490,-2212744,15712757,-4336099,1639040,10656336,23845965,-11874838,-9984458,608372 },
+ },
+ {
+  { -13672732,-15087586,-10889693,-7557059,-6036909,11305547,1123968,-6780577,27229399,23887 },
+  { -23244140,-294205,-11744728,14712571,-29465699,-2029617,12797024,-6440308,-1633405,16678954 },
+  { -29500620,4770662,-16054387,14001338,7830047,9564805,-1508144,-4795045,-17169265,4904953 },
+ },
+ {
+  { 24059557,14617003,19037157,-15039908,19766093,-14906429,5169211,16191880,2128236,-4326833 },
+  { -16981152,4124966,-8540610,-10653797,30336522,-14105247,-29806336,916033,-6882542,-2986532 },
+  { -22630907,12419372,-7134229,-7473371,-16478904,16739175,285431,2763829,15736322,4143876 },
+ },
+ {
+  { 2379352,11839345,-4110402,-5988665,11274298,794957,212801,-14594663,23527084,-16458268 },
+  { 33431127,-11130478,-17838966,-15626900,8909499,8376530,-32625340,4087881,-15188911,-14416214 },
+  { 1767683,7197987,-13205226,-2022635,-13091350,448826,5799055,4357868,-4774191,-16323038 },
+ },
+},
+{
+ {
+  { 6721966,13833823,-23523388,-1551314,26354293,-11863321,23365147,-3949732,7390890,2759800 },
+  { 4409041,2052381,23373853,10530217,7676779,-12885954,21302353,-4264057,1244380,-12919645 },
+  { -4421239,7169619,4982368,-2957590,30256825,-2777540,14086413,9208236,15886429,16489664 },
+ },
+ {
+  { 1996075,10375649,14346367,13311202,-6874135,-16438411,-13693198,398369,-30606455,-712933 },
+  { -25307465,9795880,-2777414,14878809,-33531835,14780363,13348553,12076947,-30836462,5113182 },
+  { -17770784,11797796,31950843,13929123,-25888302,12288344,-30341101,-7336386,13847711,5387222 },
+ },
+ {
+  { -18582163,-3416217,17824843,-2340966,22744343,-10442611,8763061,3617786,-19600662,10370991 },
+  { 20246567,-14369378,22358229,-543712,18507283,-10413996,14554437,-8746092,32232924,16763880 },
+  { 9648505,10094563,26416693,14745928,-30374318,-6472621,11094161,15689506,3140038,-16510092 },
+ },
+ {
+  { -16160072,5472695,31895588,4744994,8823515,10365685,-27224800,9448613,-28774454,366295 },
+  { 19153450,11523972,-11096490,-6503142,-24647631,5420647,28344573,8041113,719605,11671788 },
+  { 8678025,2694440,-6808014,2517372,4964326,11152271,-15432916,-15266516,27000813,-10195553 },
+ },
+ {
+  { -15157904,7134312,8639287,-2814877,-7235688,10421742,564065,5336097,6750977,-14521026 },
+  { 11836410,-3979488,26297894,16080799,23455045,15735944,1695823,-8819122,8169720,16220347 },
+  { -18115838,8653647,17578566,-6092619,-8025777,-16012763,-11144307,-2627664,-5990708,-14166033 },
+ },
+ {
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+  { 31308717,-5619998,31030840,-1897099,15674547,-6582883,5496208,13685227,27595050,8737275 },
+  { -20318852,-15150239,10933843,-16178022,8335352,-7546022,-31008351,-12610604,26498114,66511 },
+  { 22644454,-8761729,-16671776,4884562,-3105614,-13559366,30540766,-4286747,-13327787,-7515095 },
+ },
+ {
+  { -28017847,9834845,18617207,-2681312,-3401956,-13307506,8205540,13585437,-17127465,15115439 },
+  { 23711543,-672915,31206561,-8362711,6164647,-9709987,-33535882,-1426096,8236921,16492939 },
+  { -23910559,-13515526,-26299483,-4503841,25005590,-7687270,19574902,10071562,6708380,-6222424 },
+ },
+ {
+  { 2101391,-4930054,19702731,2367575,-15427167,1047675,5301017,9328700,29955601,-11678310 },
+  { 3096359,9271816,-21620864,-15521844,-14847996,-7592937,-25892142,-12635595,-9917575,6216608 },
+  { -32615849,338663,-25195611,2510422,-29213566,-13820213,24822830,-6146567,-26767480,7525079 },
+ },
+ {
+  { -23066649,-13985623,16133487,-7896178,-3389565,778788,-910336,-2782495,-19386633,11994101 },
+  { 21691500,-13624626,-641331,-14367021,3285881,-3483596,-25064666,9718258,-7477437,13381418 },
+  { 18445390,-4202236,14979846,11622458,-1727110,-3582980,23111648,-6375247,28535282,15779576 },
+ },
+ {
+  { 30098053,3089662,-9234387,16662135,-21306940,11308411,-14068454,12021730,9955285,-16303356 },
+  { 9734894,-14576830,-7473633,-9138735,2060392,11313496,-18426029,9924399,20194861,13380996 },
+  { -26378102,-7965207,-22167821,15789297,-18055342,-6168792,-1984914,15707771,26342023,10146099 },
+ },
+},
+{
+ {
+  { -26016874,-219943,21339191,-41388,19745256,-2878700,-29637280,2227040,21612326,-545728 },
+  { -13077387,1184228,23562814,-5970442,-20351244,-6348714,25764461,12243797,-20856566,11649658 },
+  { -10031494,11262626,27384172,2271902,26947504,-15997771,39944,6114064,33514190,2333242 },
+ },
+ {
+  { -21433588,-12421821,8119782,7219913,-21830522,-9016134,-6679750,-12670638,24350578,-13450001 },
+  { -4116307,-11271533,-23886186,4843615,-30088339,690623,-31536088,-10406836,8317860,12352766 },
+  { 18200138,-14475911,-33087759,-2696619,-23702521,-9102511,-23552096,-2287550,20712163,6719373 },
+ },
+ {
+  { 26656208,6075253,-7858556,1886072,-28344043,4262326,11117530,-3763210,26224235,-3297458 },
+  { -17168938,-14854097,-3395676,-16369877,-19954045,14050420,21728352,9493610,18620611,-16428628 },
+  { -13323321,13325349,11432106,5964811,18609221,6062965,-5269471,-9725556,-30701573,-16479657 },
+ },
+ {
+  { -23860538,-11233159,26961357,1640861,-32413112,-16737940,12248509,-5240639,13735342,1934062 },
+  { 25089769,6742589,17081145,-13406266,21909293,-16067981,-15136294,-3765346,-21277997,5473616 },
+  { 31883677,-7961101,1083432,-11572403,22828471,13290673,-7125085,12469656,29111212,-5451014 },
+ },
+ {
+  { 24244947,-15050407,-26262976,2791540,-14997599,16666678,24367466,6388839,-10295587,452383 },
+  { -25640782,-3417841,5217916,16224624,19987036,-4082269,-24236251,-5915248,15766062,8407814 },
+  { -20406999,13990231,15495425,16395525,5377168,15166495,-8917023,-4388953,-8067909,2276718 },
+ },
+ {
+  { 30157918,12924066,-17712050,9245753,19895028,3368142,-23827587,5096219,22740376,-7303417 },
+  { 2041139,-14256350,7783687,13876377,-25946985,-13352459,24051124,13742383,-15637599,13295222 },
+  { 33338237,-8505733,12532113,7977527,9106186,-1715251,-17720195,-4612972,-4451357,-14669444 },
+ },
+ {
+  { -20045281,5454097,-14346548,6447146,28862071,1883651,-2469266,-4141880,7770569,9620597 },
+  { 23208068,7979712,33071466,8149229,1758231,-10834995,30945528,-1694323,-33502340,-14767970 },
+  { 1439958,-16270480,-1079989,-793782,4625402,10647766,-5043801,1220118,30494170,-11440799 },
+ },
+ {
+  { -5037580,-13028295,-2970559,-3061767,15640974,-6701666,-26739026,926050,-1684339,-13333647 },
+  { 13908495,-3549272,30919928,-6273825,-21521863,7989039,9021034,9078865,3353509,4033511 },
+  { -29663431,-15113610,32259991,-344482,24295849,-12912123,23161163,8839127,27485041,7356032 },
+ },
+},
+{
+ {
+  { 9661027,705443,11980065,-5370154,-1628543,14661173,-6346142,2625015,28431036,-16771834 },
+  { -23839233,-8311415,-25945511,7480958,-17681669,-8354183,-22545972,14150565,15970762,4099461 },
+  { 29262576,16756590,26350592,-8793563,8529671,-11208050,13617293,-9937143,11465739,8317062 },
+ },
+ {
+  { -25493081,-6962928,32500200,-9419051,-23038724,-2302222,14898637,3848455,20969334,-5157516 },
+  { -20384450,-14347713,-18336405,13884722,-33039454,2842114,-21610826,-3649888,11177095,14989547 },
+  { -24496721,-11716016,16959896,2278463,12066309,10137771,13515641,2581286,-28487508,9930240 },
+ },
+ {
+  { -17751622,-2097826,16544300,-13009300,-15914807,-14949081,18345767,-13403753,16291481,-5314038 },
+  { -33229194,2553288,32678213,9875984,8534129,6889387,-9676774,6957617,4368891,9788741 },
+  { 16660756,7281060,-10830758,12911820,20108584,-8101676,-21722536,-8613148,16250552,-11111103 },
+ },
+ {
+  { -19765507,2390526,-16551031,14161980,1905286,6414907,4689584,10604807,-30190403,4782747 },
+  { -1354539,14736941,-7367442,-13292886,7710542,-14155590,-9981571,4383045,22546403,437323 },
+  { 31665577,-12180464,-16186830,1491339,-18368625,3294682,27343084,2786261,-30633590,-14097016 },
+ },
+ {
+  { -14467279,-683715,-33374107,7448552,19294360,14334329,-19690631,2355319,-19284671,-6114373 },
+  { 15121312,-15796162,6377020,-6031361,-10798111,-12957845,18952177,15496498,-29380133,11754228 },
+  { -2637277,-13483075,8488727,-14303896,12728761,-1622493,7141596,11724556,22761615,-10134141 },
+ },
+ {
+  { 16918416,11729663,-18083579,3022987,-31015732,-13339659,-28741185,-12227393,32851222,11717399 },
+  { 11166634,7338049,-6722523,4531520,-29468672,-7302055,31474879,3483633,-1193175,-4030831 },
+  { -185635,9921305,31456609,-13536438,-12013818,13348923,33142652,6546660,-19985279,-3948376 },
+ },
+ {
+  { -32460596,11266712,-11197107,-7899103,31703694,3855903,-8537131,-12833048,-30772034,-15486313 },
+  { -18006477,12709068,3991746,-6479188,-21491523,-10550425,-31135347,-16049879,10928917,3011958 },
+  { -6957757,-15594337,31696059,334240,29576716,14796075,-30831056,-12805180,18008031,10258577 },
+ },
+ {
+  { -22448644,15655569,7018479,-4410003,-30314266,-1201591,-1853465,1367120,25127874,6671743 },
+  { 29701166,-14373934,-10878120,9279288,-17568,13127210,21382910,11042292,25838796,4642684 },
+  { -20430234,14955537,-24126347,8124619,-5369288,-5990470,30468147,-13900640,18423289,4177476 },
+ },
+},
diff --git a/plugin/auth_ed25519/ref10/base2.h b/plugin/auth_ed25519/ref10/base2.h
new file mode 100644
index 00000000000..8c538440fff
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/base2.h
@@ -0,0 +1,40 @@
+ {
+  { 25967493,-14356035,29566456,3660896,-12694345,4014787,27544626,-11754271,-6079156,2047605 },
+  { -12545711,934262,-2722910,3049990,-727428,9406986,12720692,5043384,19500929,-15469378 },
+  { -8738181,4489570,9688441,-14785194,10184609,-12363380,29287919,11864899,-24514362,-4438546 },
+ },
+ {
+  { 15636291,-9688557,24204773,-7912398,616977,-16685262,27787600,-14772189,28944400,-1550024 },
+  { 16568933,4717097,-11556148,-1102322,15682896,-11807043,16354577,-11775962,7689662,11199574 },
+  { 30464156,-5976125,-11779434,-15670865,23220365,15915852,7512774,10017326,-17749093,-9920357 },
+ },
+ {
+  { 10861363,11473154,27284546,1981175,-30064349,12577861,32867885,14515107,-15438304,10819380 },
+  { 4708026,6336745,20377586,9066809,-11272109,6594696,-25653668,12483688,-12668491,5581306 },
+  { 19563160,16186464,-29386857,4097519,10237984,-4348115,28542350,13850243,-23678021,-15815942 },
+ },
+ {
+  { 5153746,9909285,1723747,-2777874,30523605,5516873,19480852,5230134,-23952439,-15175766 },
+  { -30269007,-3463509,7665486,10083793,28475525,1649722,20654025,16520125,30598449,7715701 },
+  { 28881845,14381568,9657904,3680757,-20181635,7843316,-31400660,1370708,29794553,-1409300 },
+ },
+ {
+  { -22518993,-6692182,14201702,-8745502,-23510406,8844726,18474211,-1361450,-13062696,13821877 },
+  { -6455177,-7839871,3374702,-4740862,-27098617,-10571707,31655028,-7212327,18853322,-14220951 },
+  { 4566830,-12963868,-28974889,-12240689,-7602672,-2830569,-8514358,-10431137,2207753,-3209784 },
+ },
+ {
+  { -25154831,-4185821,29681144,7868801,-6854661,-9423865,-12437364,-663000,-31111463,-16132436 },
+  { 25576264,-2703214,7349804,-11814844,16472782,9300885,3844789,15725684,171356,6466918 },
+  { 23103977,13316479,9739013,-16149481,817875,-15038942,8965339,-14088058,-30714912,16193877 },
+ },
+ {
+  { -33521811,3180713,-2394130,14003687,-16903474,-16270840,17238398,4729455,-18074513,9256800 },
+  { -25182317,-4174131,32336398,5036987,-21236817,11360617,22616405,9761698,-19827198,630305 },
+  { -13720693,2639453,-24237460,-7406481,9494427,-5774029,-6554551,-15960994,-2449256,-14291300 },
+ },
+ {
+  { -3151181,-5046075,9282714,6866145,-31907062,-863023,-18940575,15033784,25105118,-7894876 },
+  { -24326370,15950226,-31801215,-14592823,-11662737,-5090925,1573892,-2625887,2198790,-15804619 },
+  { -3099351,10324967,-2241613,7453183,-5446979,-2735503,-13812022,-16236442,-32461234,-12290683 },
+ },
diff --git a/plugin/auth_ed25519/ref10/d.h b/plugin/auth_ed25519/ref10/d.h
new file mode 100644
index 00000000000..e25f5783507
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/d.h
@@ -0,0 +1 @@
+-10913610,13857413,-15372611,6949391,114729,-8787816,-6275908,-3247719,-18696448,-12055116
diff --git a/plugin/auth_ed25519/ref10/d2.h b/plugin/auth_ed25519/ref10/d2.h
new file mode 100644
index 00000000000..01aaec75127
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/d2.h
@@ -0,0 +1 @@
+-21827239,-5839606,-30745221,13898782,229458,15978800,-12551817,-6495438,29715968,9444199
diff --git a/plugin/auth_ed25519/ref10/fe.h b/plugin/auth_ed25519/ref10/fe.h
new file mode 100644
index 00000000000..60c308ba463
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe.h
@@ -0,0 +1,56 @@
+#ifndef FE_H
+#define FE_H
+
+#include "crypto_int32.h"
+
+typedef crypto_int32 fe[10];
+
+/*
+fe means field element.
+Here the field is \Z/(2^255-19).
+An element t, entries t[0]...t[9], represents the integer
+t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9].
+Bounds on each t[i] vary depending on context.
+*/
+
+#define fe_frombytes crypto_sign_ed25519_ref10_fe_frombytes
+#define fe_tobytes crypto_sign_ed25519_ref10_fe_tobytes
+#define fe_copy crypto_sign_ed25519_ref10_fe_copy
+#define fe_isnonzero crypto_sign_ed25519_ref10_fe_isnonzero
+#define fe_isnegative crypto_sign_ed25519_ref10_fe_isnegative
+#define fe_0 crypto_sign_ed25519_ref10_fe_0
+#define fe_1 crypto_sign_ed25519_ref10_fe_1
+#define fe_cswap crypto_sign_ed25519_ref10_fe_cswap
+#define fe_cmov crypto_sign_ed25519_ref10_fe_cmov
+#define fe_add crypto_sign_ed25519_ref10_fe_add
+#define fe_sub crypto_sign_ed25519_ref10_fe_sub
+#define fe_neg crypto_sign_ed25519_ref10_fe_neg
+#define fe_mul crypto_sign_ed25519_ref10_fe_mul
+#define fe_sq crypto_sign_ed25519_ref10_fe_sq
+#define fe_sq2 crypto_sign_ed25519_ref10_fe_sq2
+#define fe_mul121666 crypto_sign_ed25519_ref10_fe_mul121666
+#define fe_invert crypto_sign_ed25519_ref10_fe_invert
+#define fe_pow22523 crypto_sign_ed25519_ref10_fe_pow22523
+
+extern void fe_frombytes(fe,const unsigned char *);
+extern void fe_tobytes(unsigned char *,const fe);
+
+extern void fe_copy(fe,const fe);
+extern int fe_isnonzero(const fe);
+extern int fe_isnegative(const fe);
+extern void fe_0(fe);
+extern void fe_1(fe);
+extern void fe_cswap(fe,fe,unsigned int);
+extern void fe_cmov(fe,const fe,unsigned int);
+
+extern void fe_add(fe,const fe,const fe);
+extern void fe_sub(fe,const fe,const fe);
+extern void fe_neg(fe,const fe);
+extern void fe_mul(fe,const fe,const fe);
+extern void fe_sq(fe,const fe);
+extern void fe_sq2(fe,const fe);
+extern void fe_mul121666(fe,const fe);
+extern void fe_invert(fe,const fe);
+extern void fe_pow22523(fe,const fe);
+
+#endif
diff --git a/plugin/auth_ed25519/ref10/fe_0.c b/plugin/auth_ed25519/ref10/fe_0.c
new file mode 100644
index 00000000000..ec879d7337f
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_0.c
@@ -0,0 +1,19 @@
+#include "fe.h"
+
+/*
+h = 0
+*/
+
+void fe_0(fe h)
+{
+  h[0] = 0;
+  h[1] = 0;
+  h[2] = 0;
+  h[3] = 0;
+  h[4] = 0;
+  h[5] = 0;
+  h[6] = 0;
+  h[7] = 0;
+  h[8] = 0;
+  h[9] = 0;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_1.c b/plugin/auth_ed25519/ref10/fe_1.c
new file mode 100644
index 00000000000..8cf77848447
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_1.c
@@ -0,0 +1,19 @@
+#include "fe.h"
+
+/*
+h = 1
+*/
+
+void fe_1(fe h)
+{
+  h[0] = 1;
+  h[1] = 0;
+  h[2] = 0;
+  h[3] = 0;
+  h[4] = 0;
+  h[5] = 0;
+  h[6] = 0;
+  h[7] = 0;
+  h[8] = 0;
+  h[9] = 0;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_add.c b/plugin/auth_ed25519/ref10/fe_add.c
new file mode 100644
index 00000000000..e6a81da2021
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_add.c
@@ -0,0 +1,57 @@
+#include "fe.h"
+
+/*
+h = f + g
+Can overlap h with f or g.
+
+Preconditions:
+   |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+   |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+
+Postconditions:
+   |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+*/
+
+void fe_add(fe h,const fe f,const fe g)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 g0 = g[0];
+  crypto_int32 g1 = g[1];
+  crypto_int32 g2 = g[2];
+  crypto_int32 g3 = g[3];
+  crypto_int32 g4 = g[4];
+  crypto_int32 g5 = g[5];
+  crypto_int32 g6 = g[6];
+  crypto_int32 g7 = g[7];
+  crypto_int32 g8 = g[8];
+  crypto_int32 g9 = g[9];
+  crypto_int32 h0 = f0 + g0;
+  crypto_int32 h1 = f1 + g1;
+  crypto_int32 h2 = f2 + g2;
+  crypto_int32 h3 = f3 + g3;
+  crypto_int32 h4 = f4 + g4;
+  crypto_int32 h5 = f5 + g5;
+  crypto_int32 h6 = f6 + g6;
+  crypto_int32 h7 = f7 + g7;
+  crypto_int32 h8 = f8 + g8;
+  crypto_int32 h9 = f9 + g9;
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_cmov.c b/plugin/auth_ed25519/ref10/fe_cmov.c
new file mode 100644
index 00000000000..8ca584fb19a
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_cmov.c
@@ -0,0 +1,63 @@
+#include "fe.h"
+
+/*
+Replace (f,g) with (g,g) if b == 1;
+replace (f,g) with (f,g) if b == 0.
+
+Preconditions: b in {0,1}.
+*/
+
+void fe_cmov(fe f,const fe g,unsigned int b)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 g0 = g[0];
+  crypto_int32 g1 = g[1];
+  crypto_int32 g2 = g[2];
+  crypto_int32 g3 = g[3];
+  crypto_int32 g4 = g[4];
+  crypto_int32 g5 = g[5];
+  crypto_int32 g6 = g[6];
+  crypto_int32 g7 = g[7];
+  crypto_int32 g8 = g[8];
+  crypto_int32 g9 = g[9];
+  crypto_int32 x0 = f0 ^ g0;
+  crypto_int32 x1 = f1 ^ g1;
+  crypto_int32 x2 = f2 ^ g2;
+  crypto_int32 x3 = f3 ^ g3;
+  crypto_int32 x4 = f4 ^ g4;
+  crypto_int32 x5 = f5 ^ g5;
+  crypto_int32 x6 = f6 ^ g6;
+  crypto_int32 x7 = f7 ^ g7;
+  crypto_int32 x8 = f8 ^ g8;
+  crypto_int32 x9 = f9 ^ g9;
+  b = -b;
+  x0 &= b;
+  x1 &= b;
+  x2 &= b;
+  x3 &= b;
+  x4 &= b;
+  x5 &= b;
+  x6 &= b;
+  x7 &= b;
+  x8 &= b;
+  x9 &= b;
+  f[0] = f0 ^ x0;
+  f[1] = f1 ^ x1;
+  f[2] = f2 ^ x2;
+  f[3] = f3 ^ x3;
+  f[4] = f4 ^ x4;
+  f[5] = f5 ^ x5;
+  f[6] = f6 ^ x6;
+  f[7] = f7 ^ x7;
+  f[8] = f8 ^ x8;
+  f[9] = f9 ^ x9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_copy.c b/plugin/auth_ed25519/ref10/fe_copy.c
new file mode 100644
index 00000000000..9c5bf865a24
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_copy.c
@@ -0,0 +1,29 @@
+#include "fe.h"
+
+/*
+h = f
+*/
+
+void fe_copy(fe h,const fe f)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  h[0] = f0;
+  h[1] = f1;
+  h[2] = f2;
+  h[3] = f3;
+  h[4] = f4;
+  h[5] = f5;
+  h[6] = f6;
+  h[7] = f7;
+  h[8] = f8;
+  h[9] = f9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_frombytes.c b/plugin/auth_ed25519/ref10/fe_frombytes.c
new file mode 100644
index 00000000000..5c179174877
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_frombytes.c
@@ -0,0 +1,73 @@
+#include "fe.h"
+#include "crypto_int64.h"
+#include "crypto_uint64.h"
+
+static crypto_uint64 load_3(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  return result;
+}
+
+static crypto_uint64 load_4(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  result |= ((crypto_uint64) in[3]) << 24;
+  return result;
+}
+
+/*
+Ignores top bit of h.
+*/
+
+void fe_frombytes(fe h,const unsigned char *s)
+{
+  crypto_int64 h0 = load_4(s);
+  crypto_int64 h1 = load_3(s + 4) << 6;
+  crypto_int64 h2 = load_3(s + 7) << 5;
+  crypto_int64 h3 = load_3(s + 10) << 3;
+  crypto_int64 h4 = load_3(s + 13) << 2;
+  crypto_int64 h5 = load_4(s + 16);
+  crypto_int64 h6 = load_3(s + 20) << 7;
+  crypto_int64 h7 = load_3(s + 23) << 5;
+  crypto_int64 h8 = load_3(s + 26) << 4;
+  crypto_int64 h9 = (load_3(s + 29) & 8388607) << 2;
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+
+  carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
+  carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
+  carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
+  carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
+  carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+  carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+  carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
+  carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
+
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_invert.c b/plugin/auth_ed25519/ref10/fe_invert.c
new file mode 100644
index 00000000000..bcfdb8ff87e
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_invert.c
@@ -0,0 +1,14 @@
+#include "fe.h"
+
+void fe_invert(fe out,const fe z)
+{
+  fe t0;
+  fe t1;
+  fe t2;
+  fe t3;
+  int i;
+
+#include "pow225521.h"
+
+  return;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_isnegative.c b/plugin/auth_ed25519/ref10/fe_isnegative.c
new file mode 100644
index 00000000000..3b2c8b8d523
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_isnegative.c
@@ -0,0 +1,16 @@
+#include "fe.h"
+
+/*
+return 1 if f is in {1,3,5,...,q-2}
+return 0 if f is in {0,2,4,...,q-1}
+
+Preconditions:
+   |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+*/
+
+int fe_isnegative(const fe f)
+{
+  unsigned char s[32];
+  fe_tobytes(s,f);
+  return s[0] & 1;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_isnonzero.c b/plugin/auth_ed25519/ref10/fe_isnonzero.c
new file mode 100644
index 00000000000..47568001ce5
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_isnonzero.c
@@ -0,0 +1,19 @@
+#include "fe.h"
+#include "crypto_verify_32.h"
+
+/*
+return 1 if f == 0
+return 0 if f != 0
+
+Preconditions:
+   |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+*/
+
+static const unsigned char zero[32];
+
+int fe_isnonzero(const fe f)
+{
+  unsigned char s[32];
+  fe_tobytes(s,f);
+  return crypto_verify_32(s,zero);
+}
diff --git a/plugin/auth_ed25519/ref10/fe_mul.c b/plugin/auth_ed25519/ref10/fe_mul.c
new file mode 100644
index 00000000000..26ca8b3682d
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_mul.c
@@ -0,0 +1,253 @@
+#include "fe.h"
+#include "crypto_int64.h"
+
+/*
+h = f * g
+Can overlap h with f or g.
+
+Preconditions:
+   |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
+   |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
+
+Postconditions:
+   |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
+*/
+
+/*
+Notes on implementation strategy:
+
+Using schoolbook multiplication.
+Karatsuba would save a little in some cost models.
+
+Most multiplications by 2 and 19 are 32-bit precomputations;
+cheaper than 64-bit postcomputations.
+
+There is one remaining multiplication by 19 in the carry chain;
+one *19 precomputation can be merged into this,
+but the resulting data flow is considerably less clean.
+
+There are 12 carries below.
+10 of them are 2-way parallelizable and vectorizable.
+Can get away with 11 carries, but then data flow is much deeper.
+
+With tighter constraints on inputs can squeeze carries into int32.
+*/
+
+void fe_mul(fe h,const fe f,const fe g)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 g0 = g[0];
+  crypto_int32 g1 = g[1];
+  crypto_int32 g2 = g[2];
+  crypto_int32 g3 = g[3];
+  crypto_int32 g4 = g[4];
+  crypto_int32 g5 = g[5];
+  crypto_int32 g6 = g[6];
+  crypto_int32 g7 = g[7];
+  crypto_int32 g8 = g[8];
+  crypto_int32 g9 = g[9];
+  crypto_int32 g1_19 = 19 * g1; /* 1.959375*2^29 */
+  crypto_int32 g2_19 = 19 * g2; /* 1.959375*2^30; still ok */
+  crypto_int32 g3_19 = 19 * g3;
+  crypto_int32 g4_19 = 19 * g4;
+  crypto_int32 g5_19 = 19 * g5;
+  crypto_int32 g6_19 = 19 * g6;
+  crypto_int32 g7_19 = 19 * g7;
+  crypto_int32 g8_19 = 19 * g8;
+  crypto_int32 g9_19 = 19 * g9;
+  crypto_int32 f1_2 = 2 * f1;
+  crypto_int32 f3_2 = 2 * f3;
+  crypto_int32 f5_2 = 2 * f5;
+  crypto_int32 f7_2 = 2 * f7;
+  crypto_int32 f9_2 = 2 * f9;
+  crypto_int64 f0g0    = f0   * (crypto_int64) g0;
+  crypto_int64 f0g1    = f0   * (crypto_int64) g1;
+  crypto_int64 f0g2    = f0   * (crypto_int64) g2;
+  crypto_int64 f0g3    = f0   * (crypto_int64) g3;
+  crypto_int64 f0g4    = f0   * (crypto_int64) g4;
+  crypto_int64 f0g5    = f0   * (crypto_int64) g5;
+  crypto_int64 f0g6    = f0   * (crypto_int64) g6;
+  crypto_int64 f0g7    = f0   * (crypto_int64) g7;
+  crypto_int64 f0g8    = f0   * (crypto_int64) g8;
+  crypto_int64 f0g9    = f0   * (crypto_int64) g9;
+  crypto_int64 f1g0    = f1   * (crypto_int64) g0;
+  crypto_int64 f1g1_2  = f1_2 * (crypto_int64) g1;
+  crypto_int64 f1g2    = f1   * (crypto_int64) g2;
+  crypto_int64 f1g3_2  = f1_2 * (crypto_int64) g3;
+  crypto_int64 f1g4    = f1   * (crypto_int64) g4;
+  crypto_int64 f1g5_2  = f1_2 * (crypto_int64) g5;
+  crypto_int64 f1g6    = f1   * (crypto_int64) g6;
+  crypto_int64 f1g7_2  = f1_2 * (crypto_int64) g7;
+  crypto_int64 f1g8    = f1   * (crypto_int64) g8;
+  crypto_int64 f1g9_38 = f1_2 * (crypto_int64) g9_19;
+  crypto_int64 f2g0    = f2   * (crypto_int64) g0;
+  crypto_int64 f2g1    = f2   * (crypto_int64) g1;
+  crypto_int64 f2g2    = f2   * (crypto_int64) g2;
+  crypto_int64 f2g3    = f2   * (crypto_int64) g3;
+  crypto_int64 f2g4    = f2   * (crypto_int64) g4;
+  crypto_int64 f2g5    = f2   * (crypto_int64) g5;
+  crypto_int64 f2g6    = f2   * (crypto_int64) g6;
+  crypto_int64 f2g7    = f2   * (crypto_int64) g7;
+  crypto_int64 f2g8_19 = f2   * (crypto_int64) g8_19;
+  crypto_int64 f2g9_19 = f2   * (crypto_int64) g9_19;
+  crypto_int64 f3g0    = f3   * (crypto_int64) g0;
+  crypto_int64 f3g1_2  = f3_2 * (crypto_int64) g1;
+  crypto_int64 f3g2    = f3   * (crypto_int64) g2;
+  crypto_int64 f3g3_2  = f3_2 * (crypto_int64) g3;
+  crypto_int64 f3g4    = f3   * (crypto_int64) g4;
+  crypto_int64 f3g5_2  = f3_2 * (crypto_int64) g5;
+  crypto_int64 f3g6    = f3   * (crypto_int64) g6;
+  crypto_int64 f3g7_38 = f3_2 * (crypto_int64) g7_19;
+  crypto_int64 f3g8_19 = f3   * (crypto_int64) g8_19;
+  crypto_int64 f3g9_38 = f3_2 * (crypto_int64) g9_19;
+  crypto_int64 f4g0    = f4   * (crypto_int64) g0;
+  crypto_int64 f4g1    = f4   * (crypto_int64) g1;
+  crypto_int64 f4g2    = f4   * (crypto_int64) g2;
+  crypto_int64 f4g3    = f4   * (crypto_int64) g3;
+  crypto_int64 f4g4    = f4   * (crypto_int64) g4;
+  crypto_int64 f4g5    = f4   * (crypto_int64) g5;
+  crypto_int64 f4g6_19 = f4   * (crypto_int64) g6_19;
+  crypto_int64 f4g7_19 = f4   * (crypto_int64) g7_19;
+  crypto_int64 f4g8_19 = f4   * (crypto_int64) g8_19;
+  crypto_int64 f4g9_19 = f4   * (crypto_int64) g9_19;
+  crypto_int64 f5g0    = f5   * (crypto_int64) g0;
+  crypto_int64 f5g1_2  = f5_2 * (crypto_int64) g1;
+  crypto_int64 f5g2    = f5   * (crypto_int64) g2;
+  crypto_int64 f5g3_2  = f5_2 * (crypto_int64) g3;
+  crypto_int64 f5g4    = f5   * (crypto_int64) g4;
+  crypto_int64 f5g5_38 = f5_2 * (crypto_int64) g5_19;
+  crypto_int64 f5g6_19 = f5   * (crypto_int64) g6_19;
+  crypto_int64 f5g7_38 = f5_2 * (crypto_int64) g7_19;
+  crypto_int64 f5g8_19 = f5   * (crypto_int64) g8_19;
+  crypto_int64 f5g9_38 = f5_2 * (crypto_int64) g9_19;
+  crypto_int64 f6g0    = f6   * (crypto_int64) g0;
+  crypto_int64 f6g1    = f6   * (crypto_int64) g1;
+  crypto_int64 f6g2    = f6   * (crypto_int64) g2;
+  crypto_int64 f6g3    = f6   * (crypto_int64) g3;
+  crypto_int64 f6g4_19 = f6   * (crypto_int64) g4_19;
+  crypto_int64 f6g5_19 = f6   * (crypto_int64) g5_19;
+  crypto_int64 f6g6_19 = f6   * (crypto_int64) g6_19;
+  crypto_int64 f6g7_19 = f6   * (crypto_int64) g7_19;
+  crypto_int64 f6g8_19 = f6   * (crypto_int64) g8_19;
+  crypto_int64 f6g9_19 = f6   * (crypto_int64) g9_19;
+  crypto_int64 f7g0    = f7   * (crypto_int64) g0;
+  crypto_int64 f7g1_2  = f7_2 * (crypto_int64) g1;
+  crypto_int64 f7g2    = f7   * (crypto_int64) g2;
+  crypto_int64 f7g3_38 = f7_2 * (crypto_int64) g3_19;
+  crypto_int64 f7g4_19 = f7   * (crypto_int64) g4_19;
+  crypto_int64 f7g5_38 = f7_2 * (crypto_int64) g5_19;
+  crypto_int64 f7g6_19 = f7   * (crypto_int64) g6_19;
+  crypto_int64 f7g7_38 = f7_2 * (crypto_int64) g7_19;
+  crypto_int64 f7g8_19 = f7   * (crypto_int64) g8_19;
+  crypto_int64 f7g9_38 = f7_2 * (crypto_int64) g9_19;
+  crypto_int64 f8g0    = f8   * (crypto_int64) g0;
+  crypto_int64 f8g1    = f8   * (crypto_int64) g1;
+  crypto_int64 f8g2_19 = f8   * (crypto_int64) g2_19;
+  crypto_int64 f8g3_19 = f8   * (crypto_int64) g3_19;
+  crypto_int64 f8g4_19 = f8   * (crypto_int64) g4_19;
+  crypto_int64 f8g5_19 = f8   * (crypto_int64) g5_19;
+  crypto_int64 f8g6_19 = f8   * (crypto_int64) g6_19;
+  crypto_int64 f8g7_19 = f8   * (crypto_int64) g7_19;
+  crypto_int64 f8g8_19 = f8   * (crypto_int64) g8_19;
+  crypto_int64 f8g9_19 = f8   * (crypto_int64) g9_19;
+  crypto_int64 f9g0    = f9   * (crypto_int64) g0;
+  crypto_int64 f9g1_38 = f9_2 * (crypto_int64) g1_19;
+  crypto_int64 f9g2_19 = f9   * (crypto_int64) g2_19;
+  crypto_int64 f9g3_38 = f9_2 * (crypto_int64) g3_19;
+  crypto_int64 f9g4_19 = f9   * (crypto_int64) g4_19;
+  crypto_int64 f9g5_38 = f9_2 * (crypto_int64) g5_19;
+  crypto_int64 f9g6_19 = f9   * (crypto_int64) g6_19;
+  crypto_int64 f9g7_38 = f9_2 * (crypto_int64) g7_19;
+  crypto_int64 f9g8_19 = f9   * (crypto_int64) g8_19;
+  crypto_int64 f9g9_38 = f9_2 * (crypto_int64) g9_19;
+  crypto_int64 h0 = f0g0+f1g9_38+f2g8_19+f3g7_38+f4g6_19+f5g5_38+f6g4_19+f7g3_38+f8g2_19+f9g1_38;
+  crypto_int64 h1 = f0g1+f1g0   +f2g9_19+f3g8_19+f4g7_19+f5g6_19+f6g5_19+f7g4_19+f8g3_19+f9g2_19;
+  crypto_int64 h2 = f0g2+f1g1_2 +f2g0   +f3g9_38+f4g8_19+f5g7_38+f6g6_19+f7g5_38+f8g4_19+f9g3_38;
+  crypto_int64 h3 = f0g3+f1g2   +f2g1   +f3g0   +f4g9_19+f5g8_19+f6g7_19+f7g6_19+f8g5_19+f9g4_19;
+  crypto_int64 h4 = f0g4+f1g3_2 +f2g2   +f3g1_2 +f4g0   +f5g9_38+f6g8_19+f7g7_38+f8g6_19+f9g5_38;
+  crypto_int64 h5 = f0g5+f1g4   +f2g3   +f3g2   +f4g1   +f5g0   +f6g9_19+f7g8_19+f8g7_19+f9g6_19;
+  crypto_int64 h6 = f0g6+f1g5_2 +f2g4   +f3g3_2 +f4g2   +f5g1_2 +f6g0   +f7g9_38+f8g8_19+f9g7_38;
+  crypto_int64 h7 = f0g7+f1g6   +f2g5   +f3g4   +f4g3   +f5g2   +f6g1   +f7g0   +f8g9_19+f9g8_19;
+  crypto_int64 h8 = f0g8+f1g7_2 +f2g6   +f3g5_2 +f4g4   +f5g3_2 +f6g2   +f7g1_2 +f8g0   +f9g9_38;
+  crypto_int64 h9 = f0g9+f1g8   +f2g7   +f3g6   +f4g5   +f5g4   +f6g3   +f7g2   +f8g1   +f9g0   ;
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+
+  /*
+  |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38))
+    i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8
+  |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19))
+    i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9
+  */
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+  /* |h0| <= 2^25 */
+  /* |h4| <= 2^25 */
+  /* |h1| <= 1.71*2^59 */
+  /* |h5| <= 1.71*2^59 */
+
+  carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
+  carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
+  /* |h1| <= 2^24; from now on fits into int32 */
+  /* |h5| <= 2^24; from now on fits into int32 */
+  /* |h2| <= 1.41*2^60 */
+  /* |h6| <= 1.41*2^60 */
+
+  carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
+  carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
+  /* |h2| <= 2^25; from now on fits into int32 unchanged */
+  /* |h6| <= 2^25; from now on fits into int32 unchanged */
+  /* |h3| <= 1.71*2^59 */
+  /* |h7| <= 1.71*2^59 */
+
+  carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
+  carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
+  /* |h3| <= 2^24; from now on fits into int32 unchanged */
+  /* |h7| <= 2^24; from now on fits into int32 unchanged */
+  /* |h4| <= 1.72*2^34 */
+  /* |h8| <= 1.41*2^60 */
+
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+  carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
+  /* |h4| <= 2^25; from now on fits into int32 unchanged */
+  /* |h8| <= 2^25; from now on fits into int32 unchanged */
+  /* |h5| <= 1.01*2^24 */
+  /* |h9| <= 1.71*2^59 */
+
+  carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
+  /* |h9| <= 2^24; from now on fits into int32 unchanged */
+  /* |h0| <= 1.1*2^39 */
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+  /* |h0| <= 2^25; from now on fits into int32 unchanged */
+  /* |h1| <= 1.01*2^24 */
+
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_neg.c b/plugin/auth_ed25519/ref10/fe_neg.c
new file mode 100644
index 00000000000..2078ce5284a
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_neg.c
@@ -0,0 +1,45 @@
+#include "fe.h"
+
+/*
+h = -f
+
+Preconditions:
+   |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+
+Postconditions:
+   |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+*/
+
+void fe_neg(fe h,const fe f)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 h0 = -f0;
+  crypto_int32 h1 = -f1;
+  crypto_int32 h2 = -f2;
+  crypto_int32 h3 = -f3;
+  crypto_int32 h4 = -f4;
+  crypto_int32 h5 = -f5;
+  crypto_int32 h6 = -f6;
+  crypto_int32 h7 = -f7;
+  crypto_int32 h8 = -f8;
+  crypto_int32 h9 = -f9;
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_pow22523.c b/plugin/auth_ed25519/ref10/fe_pow22523.c
new file mode 100644
index 00000000000..56675a5902f
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_pow22523.c
@@ -0,0 +1,13 @@
+#include "fe.h"
+
+void fe_pow22523(fe out,const fe z)
+{
+  fe t0;
+  fe t1;
+  fe t2;
+  int i;
+
+#include "pow22523.h"
+
+  return;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_sq.c b/plugin/auth_ed25519/ref10/fe_sq.c
new file mode 100644
index 00000000000..8dd119841c6
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_sq.c
@@ -0,0 +1,149 @@
+#include "fe.h"
+#include "crypto_int64.h"
+
+/*
+h = f * f
+Can overlap h with f.
+
+Preconditions:
+   |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
+
+Postconditions:
+   |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
+*/
+
+/*
+See fe_mul.c for discussion of implementation strategy.
+*/
+
+void fe_sq(fe h,const fe f)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 f0_2 = 2 * f0;
+  crypto_int32 f1_2 = 2 * f1;
+  crypto_int32 f2_2 = 2 * f2;
+  crypto_int32 f3_2 = 2 * f3;
+  crypto_int32 f4_2 = 2 * f4;
+  crypto_int32 f5_2 = 2 * f5;
+  crypto_int32 f6_2 = 2 * f6;
+  crypto_int32 f7_2 = 2 * f7;
+  crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */
+  crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */
+  crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */
+  crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */
+  crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */
+  crypto_int64 f0f0    = f0   * (crypto_int64) f0;
+  crypto_int64 f0f1_2  = f0_2 * (crypto_int64) f1;
+  crypto_int64 f0f2_2  = f0_2 * (crypto_int64) f2;
+  crypto_int64 f0f3_2  = f0_2 * (crypto_int64) f3;
+  crypto_int64 f0f4_2  = f0_2 * (crypto_int64) f4;
+  crypto_int64 f0f5_2  = f0_2 * (crypto_int64) f5;
+  crypto_int64 f0f6_2  = f0_2 * (crypto_int64) f6;
+  crypto_int64 f0f7_2  = f0_2 * (crypto_int64) f7;
+  crypto_int64 f0f8_2  = f0_2 * (crypto_int64) f8;
+  crypto_int64 f0f9_2  = f0_2 * (crypto_int64) f9;
+  crypto_int64 f1f1_2  = f1_2 * (crypto_int64) f1;
+  crypto_int64 f1f2_2  = f1_2 * (crypto_int64) f2;
+  crypto_int64 f1f3_4  = f1_2 * (crypto_int64) f3_2;
+  crypto_int64 f1f4_2  = f1_2 * (crypto_int64) f4;
+  crypto_int64 f1f5_4  = f1_2 * (crypto_int64) f5_2;
+  crypto_int64 f1f6_2  = f1_2 * (crypto_int64) f6;
+  crypto_int64 f1f7_4  = f1_2 * (crypto_int64) f7_2;
+  crypto_int64 f1f8_2  = f1_2 * (crypto_int64) f8;
+  crypto_int64 f1f9_76 = f1_2 * (crypto_int64) f9_38;
+  crypto_int64 f2f2    = f2   * (crypto_int64) f2;
+  crypto_int64 f2f3_2  = f2_2 * (crypto_int64) f3;
+  crypto_int64 f2f4_2  = f2_2 * (crypto_int64) f4;
+  crypto_int64 f2f5_2  = f2_2 * (crypto_int64) f5;
+  crypto_int64 f2f6_2  = f2_2 * (crypto_int64) f6;
+  crypto_int64 f2f7_2  = f2_2 * (crypto_int64) f7;
+  crypto_int64 f2f8_38 = f2_2 * (crypto_int64) f8_19;
+  crypto_int64 f2f9_38 = f2   * (crypto_int64) f9_38;
+  crypto_int64 f3f3_2  = f3_2 * (crypto_int64) f3;
+  crypto_int64 f3f4_2  = f3_2 * (crypto_int64) f4;
+  crypto_int64 f3f5_4  = f3_2 * (crypto_int64) f5_2;
+  crypto_int64 f3f6_2  = f3_2 * (crypto_int64) f6;
+  crypto_int64 f3f7_76 = f3_2 * (crypto_int64) f7_38;
+  crypto_int64 f3f8_38 = f3_2 * (crypto_int64) f8_19;
+  crypto_int64 f3f9_76 = f3_2 * (crypto_int64) f9_38;
+  crypto_int64 f4f4    = f4   * (crypto_int64) f4;
+  crypto_int64 f4f5_2  = f4_2 * (crypto_int64) f5;
+  crypto_int64 f4f6_38 = f4_2 * (crypto_int64) f6_19;
+  crypto_int64 f4f7_38 = f4   * (crypto_int64) f7_38;
+  crypto_int64 f4f8_38 = f4_2 * (crypto_int64) f8_19;
+  crypto_int64 f4f9_38 = f4   * (crypto_int64) f9_38;
+  crypto_int64 f5f5_38 = f5   * (crypto_int64) f5_38;
+  crypto_int64 f5f6_38 = f5_2 * (crypto_int64) f6_19;
+  crypto_int64 f5f7_76 = f5_2 * (crypto_int64) f7_38;
+  crypto_int64 f5f8_38 = f5_2 * (crypto_int64) f8_19;
+  crypto_int64 f5f9_76 = f5_2 * (crypto_int64) f9_38;
+  crypto_int64 f6f6_19 = f6   * (crypto_int64) f6_19;
+  crypto_int64 f6f7_38 = f6   * (crypto_int64) f7_38;
+  crypto_int64 f6f8_38 = f6_2 * (crypto_int64) f8_19;
+  crypto_int64 f6f9_38 = f6   * (crypto_int64) f9_38;
+  crypto_int64 f7f7_38 = f7   * (crypto_int64) f7_38;
+  crypto_int64 f7f8_38 = f7_2 * (crypto_int64) f8_19;
+  crypto_int64 f7f9_76 = f7_2 * (crypto_int64) f9_38;
+  crypto_int64 f8f8_19 = f8   * (crypto_int64) f8_19;
+  crypto_int64 f8f9_38 = f8   * (crypto_int64) f9_38;
+  crypto_int64 f9f9_38 = f9   * (crypto_int64) f9_38;
+  crypto_int64 h0 = f0f0  +f1f9_76+f2f8_38+f3f7_76+f4f6_38+f5f5_38;
+  crypto_int64 h1 = f0f1_2+f2f9_38+f3f8_38+f4f7_38+f5f6_38;
+  crypto_int64 h2 = f0f2_2+f1f1_2 +f3f9_76+f4f8_38+f5f7_76+f6f6_19;
+  crypto_int64 h3 = f0f3_2+f1f2_2 +f4f9_38+f5f8_38+f6f7_38;
+  crypto_int64 h4 = f0f4_2+f1f3_4 +f2f2   +f5f9_76+f6f8_38+f7f7_38;
+  crypto_int64 h5 = f0f5_2+f1f4_2 +f2f3_2 +f6f9_38+f7f8_38;
+  crypto_int64 h6 = f0f6_2+f1f5_4 +f2f4_2 +f3f3_2 +f7f9_76+f8f8_19;
+  crypto_int64 h7 = f0f7_2+f1f6_2 +f2f5_2 +f3f4_2 +f8f9_38;
+  crypto_int64 h8 = f0f8_2+f1f7_4 +f2f6_2 +f3f5_4 +f4f4   +f9f9_38;
+  crypto_int64 h9 = f0f9_2+f1f8_2 +f2f7_2 +f3f6_2 +f4f5_2;
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+
+  carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
+  carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
+
+  carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
+  carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
+
+  carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
+  carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
+
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+  carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
+
+  carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_sq2.c b/plugin/auth_ed25519/ref10/fe_sq2.c
new file mode 100644
index 00000000000..026ed3aacf5
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_sq2.c
@@ -0,0 +1,160 @@
+#include "fe.h"
+#include "crypto_int64.h"
+
+/*
+h = 2 * f * f
+Can overlap h with f.
+
+Preconditions:
+   |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
+
+Postconditions:
+   |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
+*/
+
+/*
+See fe_mul.c for discussion of implementation strategy.
+*/
+
+void fe_sq2(fe h,const fe f)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 f0_2 = 2 * f0;
+  crypto_int32 f1_2 = 2 * f1;
+  crypto_int32 f2_2 = 2 * f2;
+  crypto_int32 f3_2 = 2 * f3;
+  crypto_int32 f4_2 = 2 * f4;
+  crypto_int32 f5_2 = 2 * f5;
+  crypto_int32 f6_2 = 2 * f6;
+  crypto_int32 f7_2 = 2 * f7;
+  crypto_int32 f5_38 = 38 * f5; /* 1.959375*2^30 */
+  crypto_int32 f6_19 = 19 * f6; /* 1.959375*2^30 */
+  crypto_int32 f7_38 = 38 * f7; /* 1.959375*2^30 */
+  crypto_int32 f8_19 = 19 * f8; /* 1.959375*2^30 */
+  crypto_int32 f9_38 = 38 * f9; /* 1.959375*2^30 */
+  crypto_int64 f0f0    = f0   * (crypto_int64) f0;
+  crypto_int64 f0f1_2  = f0_2 * (crypto_int64) f1;
+  crypto_int64 f0f2_2  = f0_2 * (crypto_int64) f2;
+  crypto_int64 f0f3_2  = f0_2 * (crypto_int64) f3;
+  crypto_int64 f0f4_2  = f0_2 * (crypto_int64) f4;
+  crypto_int64 f0f5_2  = f0_2 * (crypto_int64) f5;
+  crypto_int64 f0f6_2  = f0_2 * (crypto_int64) f6;
+  crypto_int64 f0f7_2  = f0_2 * (crypto_int64) f7;
+  crypto_int64 f0f8_2  = f0_2 * (crypto_int64) f8;
+  crypto_int64 f0f9_2  = f0_2 * (crypto_int64) f9;
+  crypto_int64 f1f1_2  = f1_2 * (crypto_int64) f1;
+  crypto_int64 f1f2_2  = f1_2 * (crypto_int64) f2;
+  crypto_int64 f1f3_4  = f1_2 * (crypto_int64) f3_2;
+  crypto_int64 f1f4_2  = f1_2 * (crypto_int64) f4;
+  crypto_int64 f1f5_4  = f1_2 * (crypto_int64) f5_2;
+  crypto_int64 f1f6_2  = f1_2 * (crypto_int64) f6;
+  crypto_int64 f1f7_4  = f1_2 * (crypto_int64) f7_2;
+  crypto_int64 f1f8_2  = f1_2 * (crypto_int64) f8;
+  crypto_int64 f1f9_76 = f1_2 * (crypto_int64) f9_38;
+  crypto_int64 f2f2    = f2   * (crypto_int64) f2;
+  crypto_int64 f2f3_2  = f2_2 * (crypto_int64) f3;
+  crypto_int64 f2f4_2  = f2_2 * (crypto_int64) f4;
+  crypto_int64 f2f5_2  = f2_2 * (crypto_int64) f5;
+  crypto_int64 f2f6_2  = f2_2 * (crypto_int64) f6;
+  crypto_int64 f2f7_2  = f2_2 * (crypto_int64) f7;
+  crypto_int64 f2f8_38 = f2_2 * (crypto_int64) f8_19;
+  crypto_int64 f2f9_38 = f2   * (crypto_int64) f9_38;
+  crypto_int64 f3f3_2  = f3_2 * (crypto_int64) f3;
+  crypto_int64 f3f4_2  = f3_2 * (crypto_int64) f4;
+  crypto_int64 f3f5_4  = f3_2 * (crypto_int64) f5_2;
+  crypto_int64 f3f6_2  = f3_2 * (crypto_int64) f6;
+  crypto_int64 f3f7_76 = f3_2 * (crypto_int64) f7_38;
+  crypto_int64 f3f8_38 = f3_2 * (crypto_int64) f8_19;
+  crypto_int64 f3f9_76 = f3_2 * (crypto_int64) f9_38;
+  crypto_int64 f4f4    = f4   * (crypto_int64) f4;
+  crypto_int64 f4f5_2  = f4_2 * (crypto_int64) f5;
+  crypto_int64 f4f6_38 = f4_2 * (crypto_int64) f6_19;
+  crypto_int64 f4f7_38 = f4   * (crypto_int64) f7_38;
+  crypto_int64 f4f8_38 = f4_2 * (crypto_int64) f8_19;
+  crypto_int64 f4f9_38 = f4   * (crypto_int64) f9_38;
+  crypto_int64 f5f5_38 = f5   * (crypto_int64) f5_38;
+  crypto_int64 f5f6_38 = f5_2 * (crypto_int64) f6_19;
+  crypto_int64 f5f7_76 = f5_2 * (crypto_int64) f7_38;
+  crypto_int64 f5f8_38 = f5_2 * (crypto_int64) f8_19;
+  crypto_int64 f5f9_76 = f5_2 * (crypto_int64) f9_38;
+  crypto_int64 f6f6_19 = f6   * (crypto_int64) f6_19;
+  crypto_int64 f6f7_38 = f6   * (crypto_int64) f7_38;
+  crypto_int64 f6f8_38 = f6_2 * (crypto_int64) f8_19;
+  crypto_int64 f6f9_38 = f6   * (crypto_int64) f9_38;
+  crypto_int64 f7f7_38 = f7   * (crypto_int64) f7_38;
+  crypto_int64 f7f8_38 = f7_2 * (crypto_int64) f8_19;
+  crypto_int64 f7f9_76 = f7_2 * (crypto_int64) f9_38;
+  crypto_int64 f8f8_19 = f8   * (crypto_int64) f8_19;
+  crypto_int64 f8f9_38 = f8   * (crypto_int64) f9_38;
+  crypto_int64 f9f9_38 = f9   * (crypto_int64) f9_38;
+  crypto_int64 h0 = f0f0  +f1f9_76+f2f8_38+f3f7_76+f4f6_38+f5f5_38;
+  crypto_int64 h1 = f0f1_2+f2f9_38+f3f8_38+f4f7_38+f5f6_38;
+  crypto_int64 h2 = f0f2_2+f1f1_2 +f3f9_76+f4f8_38+f5f7_76+f6f6_19;
+  crypto_int64 h3 = f0f3_2+f1f2_2 +f4f9_38+f5f8_38+f6f7_38;
+  crypto_int64 h4 = f0f4_2+f1f3_4 +f2f2   +f5f9_76+f6f8_38+f7f7_38;
+  crypto_int64 h5 = f0f5_2+f1f4_2 +f2f3_2 +f6f9_38+f7f8_38;
+  crypto_int64 h6 = f0f6_2+f1f5_4 +f2f4_2 +f3f3_2 +f7f9_76+f8f8_19;
+  crypto_int64 h7 = f0f7_2+f1f6_2 +f2f5_2 +f3f4_2 +f8f9_38;
+  crypto_int64 h8 = f0f8_2+f1f7_4 +f2f6_2 +f3f5_4 +f4f4   +f9f9_38;
+  crypto_int64 h9 = f0f9_2+f1f8_2 +f2f7_2 +f3f6_2 +f4f5_2;
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+
+  h0 += h0;
+  h1 += h1;
+  h2 += h2;
+  h3 += h3;
+  h4 += h4;
+  h5 += h5;
+  h6 += h6;
+  h7 += h7;
+  h8 += h8;
+  h9 += h9;
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+
+  carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
+  carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
+
+  carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
+  carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
+
+  carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
+  carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
+
+  carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
+  carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
+
+  carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
+
+  carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
+
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_sub.c b/plugin/auth_ed25519/ref10/fe_sub.c
new file mode 100644
index 00000000000..6e26b7df8f5
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_sub.c
@@ -0,0 +1,57 @@
+#include "fe.h"
+
+/*
+h = f - g
+Can overlap h with f or g.
+
+Preconditions:
+   |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+   |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
+
+Postconditions:
+   |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+*/
+
+void fe_sub(fe h,const fe f,const fe g)
+{
+  crypto_int32 f0 = f[0];
+  crypto_int32 f1 = f[1];
+  crypto_int32 f2 = f[2];
+  crypto_int32 f3 = f[3];
+  crypto_int32 f4 = f[4];
+  crypto_int32 f5 = f[5];
+  crypto_int32 f6 = f[6];
+  crypto_int32 f7 = f[7];
+  crypto_int32 f8 = f[8];
+  crypto_int32 f9 = f[9];
+  crypto_int32 g0 = g[0];
+  crypto_int32 g1 = g[1];
+  crypto_int32 g2 = g[2];
+  crypto_int32 g3 = g[3];
+  crypto_int32 g4 = g[4];
+  crypto_int32 g5 = g[5];
+  crypto_int32 g6 = g[6];
+  crypto_int32 g7 = g[7];
+  crypto_int32 g8 = g[8];
+  crypto_int32 g9 = g[9];
+  crypto_int32 h0 = f0 - g0;
+  crypto_int32 h1 = f1 - g1;
+  crypto_int32 h2 = f2 - g2;
+  crypto_int32 h3 = f3 - g3;
+  crypto_int32 h4 = f4 - g4;
+  crypto_int32 h5 = f5 - g5;
+  crypto_int32 h6 = f6 - g6;
+  crypto_int32 h7 = f7 - g7;
+  crypto_int32 h8 = f8 - g8;
+  crypto_int32 h9 = f9 - g9;
+  h[0] = h0;
+  h[1] = h1;
+  h[2] = h2;
+  h[3] = h3;
+  h[4] = h4;
+  h[5] = h5;
+  h[6] = h6;
+  h[7] = h7;
+  h[8] = h8;
+  h[9] = h9;
+}
diff --git a/plugin/auth_ed25519/ref10/fe_tobytes.c b/plugin/auth_ed25519/ref10/fe_tobytes.c
new file mode 100644
index 00000000000..0a63baf9c17
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/fe_tobytes.c
@@ -0,0 +1,119 @@
+#include "fe.h"
+
+/*
+Preconditions:
+  |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
+
+Write p=2^255-19; q=floor(h/p).
+Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
+
+Proof:
+  Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
+  Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4.
+
+  Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
+  Then 0<y<1.
+
+  Write r=h-pq.
+  Have 0<=r<=p-1=2^255-20.
+  Thus 0<=r+19(2^-255)r<r+19(2^-255)2^255<=2^255-1.
+
+  Write x=r+19(2^-255)r+y.
+  Then 0<x<2^255 so floor(2^(-255)x) = 0 so floor(q+2^(-255)x) = q.
+
+  Have q+2^(-255)x = 2^(-255)(h + 19 2^(-25) h9 + 2^(-1))
+  so floor(2^(-255)(h + 19 2^(-25) h9 + 2^(-1))) = q.
+*/
+
+void fe_tobytes(unsigned char *s,const fe h)
+{
+  crypto_int32 h0 = h[0];
+  crypto_int32 h1 = h[1];
+  crypto_int32 h2 = h[2];
+  crypto_int32 h3 = h[3];
+  crypto_int32 h4 = h[4];
+  crypto_int32 h5 = h[5];
+  crypto_int32 h6 = h[6];
+  crypto_int32 h7 = h[7];
+  crypto_int32 h8 = h[8];
+  crypto_int32 h9 = h[9];
+  crypto_int32 q;
+  crypto_int32 carry0;
+  crypto_int32 carry1;
+  crypto_int32 carry2;
+  crypto_int32 carry3;
+  crypto_int32 carry4;
+  crypto_int32 carry5;
+  crypto_int32 carry6;
+  crypto_int32 carry7;
+  crypto_int32 carry8;
+  crypto_int32 carry9;
+
+  q = (19 * h9 + (((crypto_int32) 1) << 24)) >> 25;
+  q = (h0 + q) >> 26;
+  q = (h1 + q) >> 25;
+  q = (h2 + q) >> 26;
+  q = (h3 + q) >> 25;
+  q = (h4 + q) >> 26;
+  q = (h5 + q) >> 25;
+  q = (h6 + q) >> 26;
+  q = (h7 + q) >> 25;
+  q = (h8 + q) >> 26;
+  q = (h9 + q) >> 25;
+
+  /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */
+  h0 += 19 * q;
+  /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */
+
+  carry0 = h0 >> 26; h1 += carry0; h0 -= carry0 << 26;
+  carry1 = h1 >> 25; h2 += carry1; h1 -= carry1 << 25;
+  carry2 = h2 >> 26; h3 += carry2; h2 -= carry2 << 26;
+  carry3 = h3 >> 25; h4 += carry3; h3 -= carry3 << 25;
+  carry4 = h4 >> 26; h5 += carry4; h4 -= carry4 << 26;
+  carry5 = h5 >> 25; h6 += carry5; h5 -= carry5 << 25;
+  carry6 = h6 >> 26; h7 += carry6; h6 -= carry6 << 26;
+  carry7 = h7 >> 25; h8 += carry7; h7 -= carry7 << 25;
+  carry8 = h8 >> 26; h9 += carry8; h8 -= carry8 << 26;
+  carry9 = h9 >> 25;               h9 -= carry9 << 25;
+                  /* h10 = carry9 */
+
+  /*
+  Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
+  Have h0+...+2^230 h9 between 0 and 2^255-1;
+  evidently 2^255 h10-2^255 q = 0.
+  Goal: Output h0+...+2^230 h9.
+  */
+
+  s[0] = h0 >> 0;
+  s[1] = h0 >> 8;
+  s[2] = h0 >> 16;
+  s[3] = (h0 >> 24) | (h1 << 2);
+  s[4] = h1 >> 6;
+  s[5] = h1 >> 14;
+  s[6] = (h1 >> 22) | (h2 << 3);
+  s[7] = h2 >> 5;
+  s[8] = h2 >> 13;
+  s[9] = (h2 >> 21) | (h3 << 5);
+  s[10] = h3 >> 3;
+  s[11] = h3 >> 11;
+  s[12] = (h3 >> 19) | (h4 << 6);
+  s[13] = h4 >> 2;
+  s[14] = h4 >> 10;
+  s[15] = h4 >> 18;
+  s[16] = h5 >> 0;
+  s[17] = h5 >> 8;
+  s[18] = h5 >> 16;
+  s[19] = (h5 >> 24) | (h6 << 1);
+  s[20] = h6 >> 7;
+  s[21] = h6 >> 15;
+  s[22] = (h6 >> 23) | (h7 << 3);
+  s[23] = h7 >> 5;
+  s[24] = h7 >> 13;
+  s[25] = (h7 >> 21) | (h8 << 4);
+  s[26] = h8 >> 4;
+  s[27] = h8 >> 12;
+  s[28] = (h8 >> 20) | (h9 << 6);
+  s[29] = h9 >> 2;
+  s[30] = h9 >> 10;
+  s[31] = h9 >> 18;
+}
diff --git a/plugin/auth_ed25519/ref10/ge.h b/plugin/auth_ed25519/ref10/ge.h
new file mode 100644
index 00000000000..55e95f95b6e
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge.h
@@ -0,0 +1,95 @@
+#ifndef GE_H
+#define GE_H
+
+/*
+ge means group element.
+
+Here the group is the set of pairs (x,y) of field elements (see fe.h)
+satisfying -x^2 + y^2 = 1 + d x^2y^2
+where d = -121665/121666.
+
+Representations:
+  ge_p2 (projective): (X:Y:Z) satisfying x=X/Z, y=Y/Z
+  ge_p3 (extended): (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT
+  ge_p1p1 (completed): ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T
+  ge_precomp (Duif): (y+x,y-x,2dxy)
+*/
+
+#include "fe.h"
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+} ge_p2;
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+  fe T;
+} ge_p3;
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+  fe T;
+} ge_p1p1;
+
+typedef struct {
+  fe yplusx;
+  fe yminusx;
+  fe xy2d;
+} ge_precomp;
+
+typedef struct {
+  fe YplusX;
+  fe YminusX;
+  fe Z;
+  fe T2d;
+} ge_cached;
+
+#define ge_frombytes_negate_vartime crypto_sign_ed25519_ref10_ge_frombytes_negate_vartime
+#define ge_tobytes crypto_sign_ed25519_ref10_ge_tobytes
+#define ge_p3_tobytes crypto_sign_ed25519_ref10_ge_p3_tobytes
+
+#define ge_p2_0 crypto_sign_ed25519_ref10_ge_p2_0
+#define ge_p3_0 crypto_sign_ed25519_ref10_ge_p3_0
+#define ge_precomp_0 crypto_sign_ed25519_ref10_ge_precomp_0
+#define ge_p3_to_p2 crypto_sign_ed25519_ref10_ge_p3_to_p2
+#define ge_p3_to_cached crypto_sign_ed25519_ref10_ge_p3_to_cached
+#define ge_p1p1_to_p2 crypto_sign_ed25519_ref10_ge_p1p1_to_p2
+#define ge_p1p1_to_p3 crypto_sign_ed25519_ref10_ge_p1p1_to_p3
+#define ge_p2_dbl crypto_sign_ed25519_ref10_ge_p2_dbl
+#define ge_p3_dbl crypto_sign_ed25519_ref10_ge_p3_dbl
+
+#define ge_madd crypto_sign_ed25519_ref10_ge_madd
+#define ge_msub crypto_sign_ed25519_ref10_ge_msub
+#define ge_add crypto_sign_ed25519_ref10_ge_add
+#define ge_sub crypto_sign_ed25519_ref10_ge_sub
+#define ge_scalarmult_base crypto_sign_ed25519_ref10_ge_scalarmult_base
+#define ge_double_scalarmult_vartime crypto_sign_ed25519_ref10_ge_double_scalarmult_vartime
+
+extern void ge_tobytes(unsigned char *,const ge_p2 *);
+extern void ge_p3_tobytes(unsigned char *,const ge_p3 *);
+extern int ge_frombytes_negate_vartime(ge_p3 *,const unsigned char *);
+
+extern void ge_p2_0(ge_p2 *);
+extern void ge_p3_0(ge_p3 *);
+extern void ge_precomp_0(ge_precomp *);
+extern void ge_p3_to_p2(ge_p2 *,const ge_p3 *);
+extern void ge_p3_to_cached(ge_cached *,const ge_p3 *);
+extern void ge_p1p1_to_p2(ge_p2 *,const ge_p1p1 *);
+extern void ge_p1p1_to_p3(ge_p3 *,const ge_p1p1 *);
+extern void ge_p2_dbl(ge_p1p1 *,const ge_p2 *);
+extern void ge_p3_dbl(ge_p1p1 *,const ge_p3 *);
+
+extern void ge_madd(ge_p1p1 *,const ge_p3 *,const ge_precomp *);
+extern void ge_msub(ge_p1p1 *,const ge_p3 *,const ge_precomp *);
+extern void ge_add(ge_p1p1 *,const ge_p3 *,const ge_cached *);
+extern void ge_sub(ge_p1p1 *,const ge_p3 *,const ge_cached *);
+extern void ge_scalarmult_base(ge_p3 *,const unsigned char *);
+extern void ge_double_scalarmult_vartime(ge_p2 *,const unsigned char *,const ge_p3 *,const unsigned char *);
+
+#endif
diff --git a/plugin/auth_ed25519/ref10/ge_add.c b/plugin/auth_ed25519/ref10/ge_add.c
new file mode 100644
index 00000000000..da7ff5d2ebe
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_add.c
@@ -0,0 +1,11 @@
+#include "ge.h"
+
+/*
+r = p + q
+*/
+
+void ge_add(ge_p1p1 *r,const ge_p3 *p,const ge_cached *q)
+{
+  fe t0;
+#include "ge_add.h"
+}
diff --git a/plugin/auth_ed25519/ref10/ge_add.h b/plugin/auth_ed25519/ref10/ge_add.h
new file mode 100644
index 00000000000..7481f8ffbed
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_add.h
@@ -0,0 +1,97 @@
+
+/* qhasm: enter ge_add */
+
+/* qhasm: fe X1 */
+
+/* qhasm: fe Y1 */
+
+/* qhasm: fe Z1 */
+
+/* qhasm: fe Z2 */
+
+/* qhasm: fe T1 */
+
+/* qhasm: fe ZZ */
+
+/* qhasm: fe YpX2 */
+
+/* qhasm: fe YmX2 */
+
+/* qhasm: fe T2d2 */
+
+/* qhasm: fe X3 */
+
+/* qhasm: fe Y3 */
+
+/* qhasm: fe Z3 */
+
+/* qhasm: fe T3 */
+
+/* qhasm: fe YpX1 */
+
+/* qhasm: fe YmX1 */
+
+/* qhasm: fe A */
+
+/* qhasm: fe B */
+
+/* qhasm: fe C */
+
+/* qhasm: fe D */
+
+/* qhasm: YpX1 = Y1+X1 */
+/* asm 1: fe_add(>YpX1=fe#1,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_add(>YpX1=r->X,<Y1=p->Y,<X1=p->X); */
+fe_add(r->X,p->Y,p->X);
+
+/* qhasm: YmX1 = Y1-X1 */
+/* asm 1: fe_sub(>YmX1=fe#2,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_sub(>YmX1=r->Y,<Y1=p->Y,<X1=p->X); */
+fe_sub(r->Y,p->Y,p->X);
+
+/* qhasm: A = YpX1*YpX2 */
+/* asm 1: fe_mul(>A=fe#3,<YpX1=fe#1,<YpX2=fe#15); */
+/* asm 2: fe_mul(>A=r->Z,<YpX1=r->X,<YpX2=q->YplusX); */
+fe_mul(r->Z,r->X,q->YplusX);
+
+/* qhasm: B = YmX1*YmX2 */
+/* asm 1: fe_mul(>B=fe#2,<YmX1=fe#2,<YmX2=fe#16); */
+/* asm 2: fe_mul(>B=r->Y,<YmX1=r->Y,<YmX2=q->YminusX); */
+fe_mul(r->Y,r->Y,q->YminusX);
+
+/* qhasm: C = T2d2*T1 */
+/* asm 1: fe_mul(>C=fe#4,<T2d2=fe#18,<T1=fe#14); */
+/* asm 2: fe_mul(>C=r->T,<T2d2=q->T2d,<T1=p->T); */
+fe_mul(r->T,q->T2d,p->T);
+
+/* qhasm: ZZ = Z1*Z2 */
+/* asm 1: fe_mul(>ZZ=fe#1,<Z1=fe#13,<Z2=fe#17); */
+/* asm 2: fe_mul(>ZZ=r->X,<Z1=p->Z,<Z2=q->Z); */
+fe_mul(r->X,p->Z,q->Z);
+
+/* qhasm: D = 2*ZZ */
+/* asm 1: fe_add(>D=fe#5,<ZZ=fe#1,<ZZ=fe#1); */
+/* asm 2: fe_add(>D=t0,<ZZ=r->X,<ZZ=r->X); */
+fe_add(t0,r->X,r->X);
+
+/* qhasm: X3 = A-B */
+/* asm 1: fe_sub(>X3=fe#1,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_sub(>X3=r->X,<A=r->Z,<B=r->Y); */
+fe_sub(r->X,r->Z,r->Y);
+
+/* qhasm: Y3 = A+B */
+/* asm 1: fe_add(>Y3=fe#2,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_add(>Y3=r->Y,<A=r->Z,<B=r->Y); */
+fe_add(r->Y,r->Z,r->Y);
+
+/* qhasm: Z3 = D+C */
+/* asm 1: fe_add(>Z3=fe#3,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_add(>Z3=r->Z,<D=t0,<C=r->T); */
+fe_add(r->Z,t0,r->T);
+
+/* qhasm: T3 = D-C */
+/* asm 1: fe_sub(>T3=fe#4,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_sub(>T3=r->T,<D=t0,<C=r->T); */
+fe_sub(r->T,t0,r->T);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/ge_double_scalarmult.c b/plugin/auth_ed25519/ref10/ge_double_scalarmult.c
new file mode 100644
index 00000000000..f8bf4bf775b
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_double_scalarmult.c
@@ -0,0 +1,96 @@
+#include "ge.h"
+
+static void slide(signed char *r,const unsigned char *a)
+{
+  int i;
+  int b;
+  int k;
+
+  for (i = 0;i < 256;++i)
+    r[i] = 1 & (a[i >> 3] >> (i & 7));
+
+  for (i = 0;i < 256;++i)
+    if (r[i]) {
+      for (b = 1;b <= 6 && i + b < 256;++b) {
+        if (r[i + b]) {
+          if (r[i] + (r[i + b] << b) <= 15) {
+            r[i] += r[i + b] << b; r[i + b] = 0;
+          } else if (r[i] - (r[i + b] << b) >= -15) {
+            r[i] -= r[i + b] << b;
+            for (k = i + b;k < 256;++k) {
+              if (!r[k]) {
+                r[k] = 1;
+                break;
+              }
+              r[k] = 0;
+            }
+          } else
+            break;
+        }
+      }
+    }
+
+}
+
+static ge_precomp Bi[8] = {
+#include "base2.h"
+} ;
+
+/*
+r = a * A + b * B
+where a = a[0]+256*a[1]+...+256^31 a[31].
+and b = b[0]+256*b[1]+...+256^31 b[31].
+B is the Ed25519 base point (x,4/5) with x positive.
+*/
+
+void ge_double_scalarmult_vartime(ge_p2 *r,const unsigned char *a,const ge_p3 *A,const unsigned char *b)
+{
+  signed char aslide[256];
+  signed char bslide[256];
+  ge_cached Ai[8]; /* A,3A,5A,7A,9A,11A,13A,15A */
+  ge_p1p1 t;
+  ge_p3 u;
+  ge_p3 A2;
+  int i;
+
+  slide(aslide,a);
+  slide(bslide,b);
+
+  ge_p3_to_cached(&Ai[0],A);
+  ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t);
+  ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u);
+  ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u);
+  ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u);
+  ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u);
+  ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u);
+  ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u);
+  ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u);
+
+  ge_p2_0(r);
+
+  for (i = 255;i >= 0;--i) {
+    if (aslide[i] || bslide[i]) break;
+  }
+
+  for (;i >= 0;--i) {
+    ge_p2_dbl(&t,r);
+
+    if (aslide[i] > 0) {
+      ge_p1p1_to_p3(&u,&t);
+      ge_add(&t,&u,&Ai[aslide[i]/2]);
+    } else if (aslide[i] < 0) {
+      ge_p1p1_to_p3(&u,&t);
+      ge_sub(&t,&u,&Ai[(-aslide[i])/2]);
+    }
+
+    if (bslide[i] > 0) {
+      ge_p1p1_to_p3(&u,&t);
+      ge_madd(&t,&u,&Bi[bslide[i]/2]);
+    } else if (bslide[i] < 0) {
+      ge_p1p1_to_p3(&u,&t);
+      ge_msub(&t,&u,&Bi[(-bslide[i])/2]);
+    }
+
+    ge_p1p1_to_p2(r,&t);
+  }
+}
diff --git a/plugin/auth_ed25519/ref10/ge_frombytes.c b/plugin/auth_ed25519/ref10/ge_frombytes.c
new file mode 100644
index 00000000000..1a059ee93fa
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_frombytes.c
@@ -0,0 +1,50 @@
+#include "ge.h"
+
+static const fe d = {
+#include "d.h"
+} ;
+
+static const fe sqrtm1 = {
+#include "sqrtm1.h"
+} ;
+
+int ge_frombytes_negate_vartime(ge_p3 *h,const unsigned char *s)
+{
+  fe u;
+  fe v;
+  fe v3;
+  fe vxx;
+  fe check;
+
+  fe_frombytes(h->Y,s);
+  fe_1(h->Z);
+  fe_sq(u,h->Y);
+  fe_mul(v,u,d);
+  fe_sub(u,u,h->Z);       /* u = y^2-1 */
+  fe_add(v,v,h->Z);       /* v = dy^2+1 */
+
+  fe_sq(v3,v);
+  fe_mul(v3,v3,v);        /* v3 = v^3 */
+  fe_sq(h->X,v3);
+  fe_mul(h->X,h->X,v);
+  fe_mul(h->X,h->X,u);    /* x = uv^7 */
+
+  fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */
+  fe_mul(h->X,h->X,v3);
+  fe_mul(h->X,h->X,u);    /* x = uv^3(uv^7)^((q-5)/8) */
+
+  fe_sq(vxx,h->X);
+  fe_mul(vxx,vxx,v);
+  fe_sub(check,vxx,u);    /* vx^2-u */
+  if (fe_isnonzero(check)) {
+    fe_add(check,vxx,u);  /* vx^2+u */
+    if (fe_isnonzero(check)) return -1;
+    fe_mul(h->X,h->X,sqrtm1);
+  }
+
+  if (fe_isnegative(h->X) == (s[31] >> 7))
+    fe_neg(h->X,h->X);
+
+  fe_mul(h->T,h->X,h->Y);
+  return 0;
+}
diff --git a/plugin/auth_ed25519/ref10/ge_madd.c b/plugin/auth_ed25519/ref10/ge_madd.c
new file mode 100644
index 00000000000..622571774b4
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_madd.c
@@ -0,0 +1,11 @@
+#include "ge.h"
+
+/*
+r = p + q
+*/
+
+void ge_madd(ge_p1p1 *r,const ge_p3 *p,const ge_precomp *q)
+{
+  fe t0;
+#include "ge_madd.h"
+}
diff --git a/plugin/auth_ed25519/ref10/ge_madd.h b/plugin/auth_ed25519/ref10/ge_madd.h
new file mode 100644
index 00000000000..ecae84952b3
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_madd.h
@@ -0,0 +1,88 @@
+
+/* qhasm: enter ge_madd */
+
+/* qhasm: fe X1 */
+
+/* qhasm: fe Y1 */
+
+/* qhasm: fe Z1 */
+
+/* qhasm: fe T1 */
+
+/* qhasm: fe ypx2 */
+
+/* qhasm: fe ymx2 */
+
+/* qhasm: fe xy2d2 */
+
+/* qhasm: fe X3 */
+
+/* qhasm: fe Y3 */
+
+/* qhasm: fe Z3 */
+
+/* qhasm: fe T3 */
+
+/* qhasm: fe YpX1 */
+
+/* qhasm: fe YmX1 */
+
+/* qhasm: fe A */
+
+/* qhasm: fe B */
+
+/* qhasm: fe C */
+
+/* qhasm: fe D */
+
+/* qhasm: YpX1 = Y1+X1 */
+/* asm 1: fe_add(>YpX1=fe#1,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_add(>YpX1=r->X,<Y1=p->Y,<X1=p->X); */
+fe_add(r->X,p->Y,p->X);
+
+/* qhasm: YmX1 = Y1-X1 */
+/* asm 1: fe_sub(>YmX1=fe#2,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_sub(>YmX1=r->Y,<Y1=p->Y,<X1=p->X); */
+fe_sub(r->Y,p->Y,p->X);
+
+/* qhasm: A = YpX1*ypx2 */
+/* asm 1: fe_mul(>A=fe#3,<YpX1=fe#1,<ypx2=fe#15); */
+/* asm 2: fe_mul(>A=r->Z,<YpX1=r->X,<ypx2=q->yplusx); */
+fe_mul(r->Z,r->X,q->yplusx);
+
+/* qhasm: B = YmX1*ymx2 */
+/* asm 1: fe_mul(>B=fe#2,<YmX1=fe#2,<ymx2=fe#16); */
+/* asm 2: fe_mul(>B=r->Y,<YmX1=r->Y,<ymx2=q->yminusx); */
+fe_mul(r->Y,r->Y,q->yminusx);
+
+/* qhasm: C = xy2d2*T1 */
+/* asm 1: fe_mul(>C=fe#4,<xy2d2=fe#17,<T1=fe#14); */
+/* asm 2: fe_mul(>C=r->T,<xy2d2=q->xy2d,<T1=p->T); */
+fe_mul(r->T,q->xy2d,p->T);
+
+/* qhasm: D = 2*Z1 */
+/* asm 1: fe_add(>D=fe#5,<Z1=fe#13,<Z1=fe#13); */
+/* asm 2: fe_add(>D=t0,<Z1=p->Z,<Z1=p->Z); */
+fe_add(t0,p->Z,p->Z);
+
+/* qhasm: X3 = A-B */
+/* asm 1: fe_sub(>X3=fe#1,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_sub(>X3=r->X,<A=r->Z,<B=r->Y); */
+fe_sub(r->X,r->Z,r->Y);
+
+/* qhasm: Y3 = A+B */
+/* asm 1: fe_add(>Y3=fe#2,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_add(>Y3=r->Y,<A=r->Z,<B=r->Y); */
+fe_add(r->Y,r->Z,r->Y);
+
+/* qhasm: Z3 = D+C */
+/* asm 1: fe_add(>Z3=fe#3,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_add(>Z3=r->Z,<D=t0,<C=r->T); */
+fe_add(r->Z,t0,r->T);
+
+/* qhasm: T3 = D-C */
+/* asm 1: fe_sub(>T3=fe#4,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_sub(>T3=r->T,<D=t0,<C=r->T); */
+fe_sub(r->T,t0,r->T);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/ge_msub.c b/plugin/auth_ed25519/ref10/ge_msub.c
new file mode 100644
index 00000000000..741ecbf1139
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_msub.c
@@ -0,0 +1,11 @@
+#include "ge.h"
+
+/*
+r = p - q
+*/
+
+void ge_msub(ge_p1p1 *r,const ge_p3 *p,const ge_precomp *q)
+{
+  fe t0;
+#include "ge_msub.h"
+}
diff --git a/plugin/auth_ed25519/ref10/ge_msub.h b/plugin/auth_ed25519/ref10/ge_msub.h
new file mode 100644
index 00000000000..500f986ba0d
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_msub.h
@@ -0,0 +1,88 @@
+
+/* qhasm: enter ge_msub */
+
+/* qhasm: fe X1 */
+
+/* qhasm: fe Y1 */
+
+/* qhasm: fe Z1 */
+
+/* qhasm: fe T1 */
+
+/* qhasm: fe ypx2 */
+
+/* qhasm: fe ymx2 */
+
+/* qhasm: fe xy2d2 */
+
+/* qhasm: fe X3 */
+
+/* qhasm: fe Y3 */
+
+/* qhasm: fe Z3 */
+
+/* qhasm: fe T3 */
+
+/* qhasm: fe YpX1 */
+
+/* qhasm: fe YmX1 */
+
+/* qhasm: fe A */
+
+/* qhasm: fe B */
+
+/* qhasm: fe C */
+
+/* qhasm: fe D */
+
+/* qhasm: YpX1 = Y1+X1 */
+/* asm 1: fe_add(>YpX1=fe#1,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_add(>YpX1=r->X,<Y1=p->Y,<X1=p->X); */
+fe_add(r->X,p->Y,p->X);
+
+/* qhasm: YmX1 = Y1-X1 */
+/* asm 1: fe_sub(>YmX1=fe#2,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_sub(>YmX1=r->Y,<Y1=p->Y,<X1=p->X); */
+fe_sub(r->Y,p->Y,p->X);
+
+/* qhasm: A = YpX1*ymx2 */
+/* asm 1: fe_mul(>A=fe#3,<YpX1=fe#1,<ymx2=fe#16); */
+/* asm 2: fe_mul(>A=r->Z,<YpX1=r->X,<ymx2=q->yminusx); */
+fe_mul(r->Z,r->X,q->yminusx);
+
+/* qhasm: B = YmX1*ypx2 */
+/* asm 1: fe_mul(>B=fe#2,<YmX1=fe#2,<ypx2=fe#15); */
+/* asm 2: fe_mul(>B=r->Y,<YmX1=r->Y,<ypx2=q->yplusx); */
+fe_mul(r->Y,r->Y,q->yplusx);
+
+/* qhasm: C = xy2d2*T1 */
+/* asm 1: fe_mul(>C=fe#4,<xy2d2=fe#17,<T1=fe#14); */
+/* asm 2: fe_mul(>C=r->T,<xy2d2=q->xy2d,<T1=p->T); */
+fe_mul(r->T,q->xy2d,p->T);
+
+/* qhasm: D = 2*Z1 */
+/* asm 1: fe_add(>D=fe#5,<Z1=fe#13,<Z1=fe#13); */
+/* asm 2: fe_add(>D=t0,<Z1=p->Z,<Z1=p->Z); */
+fe_add(t0,p->Z,p->Z);
+
+/* qhasm: X3 = A-B */
+/* asm 1: fe_sub(>X3=fe#1,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_sub(>X3=r->X,<A=r->Z,<B=r->Y); */
+fe_sub(r->X,r->Z,r->Y);
+
+/* qhasm: Y3 = A+B */
+/* asm 1: fe_add(>Y3=fe#2,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_add(>Y3=r->Y,<A=r->Z,<B=r->Y); */
+fe_add(r->Y,r->Z,r->Y);
+
+/* qhasm: Z3 = D-C */
+/* asm 1: fe_sub(>Z3=fe#3,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_sub(>Z3=r->Z,<D=t0,<C=r->T); */
+fe_sub(r->Z,t0,r->T);
+
+/* qhasm: T3 = D+C */
+/* asm 1: fe_add(>T3=fe#4,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_add(>T3=r->T,<D=t0,<C=r->T); */
+fe_add(r->T,t0,r->T);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/ge_p1p1_to_p2.c b/plugin/auth_ed25519/ref10/ge_p1p1_to_p2.c
new file mode 100644
index 00000000000..9bb5013d668
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p1p1_to_p2.c
@@ -0,0 +1,12 @@
+#include "ge.h"
+
+/*
+r = p
+*/
+
+extern void ge_p1p1_to_p2(ge_p2 *r,const ge_p1p1 *p)
+{
+  fe_mul(r->X,p->X,p->T);
+  fe_mul(r->Y,p->Y,p->Z);
+  fe_mul(r->Z,p->Z,p->T);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p1p1_to_p3.c b/plugin/auth_ed25519/ref10/ge_p1p1_to_p3.c
new file mode 100644
index 00000000000..2f57b109685
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p1p1_to_p3.c
@@ -0,0 +1,13 @@
+#include "ge.h"
+
+/*
+r = p
+*/
+
+extern void ge_p1p1_to_p3(ge_p3 *r,const ge_p1p1 *p)
+{
+  fe_mul(r->X,p->X,p->T);
+  fe_mul(r->Y,p->Y,p->Z);
+  fe_mul(r->Z,p->Z,p->T);
+  fe_mul(r->T,p->X,p->Y);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p2_0.c b/plugin/auth_ed25519/ref10/ge_p2_0.c
new file mode 100644
index 00000000000..6191d1e6e4e
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p2_0.c
@@ -0,0 +1,8 @@
+#include "ge.h"
+
+void ge_p2_0(ge_p2 *h)
+{
+  fe_0(h->X);
+  fe_1(h->Y);
+  fe_1(h->Z);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p2_dbl.c b/plugin/auth_ed25519/ref10/ge_p2_dbl.c
new file mode 100644
index 00000000000..2e332b5cee4
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p2_dbl.c
@@ -0,0 +1,11 @@
+#include "ge.h"
+
+/*
+r = 2 * p
+*/
+
+void ge_p2_dbl(ge_p1p1 *r,const ge_p2 *p)
+{
+  fe t0;
+#include "ge_p2_dbl.h"
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p2_dbl.h b/plugin/auth_ed25519/ref10/ge_p2_dbl.h
new file mode 100644
index 00000000000..128efed9076
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p2_dbl.h
@@ -0,0 +1,73 @@
+
+/* qhasm: enter ge_p2_dbl */
+
+/* qhasm: fe X1 */
+
+/* qhasm: fe Y1 */
+
+/* qhasm: fe Z1 */
+
+/* qhasm: fe A */
+
+/* qhasm: fe AA */
+
+/* qhasm: fe XX */
+
+/* qhasm: fe YY */
+
+/* qhasm: fe B */
+
+/* qhasm: fe X3 */
+
+/* qhasm: fe Y3 */
+
+/* qhasm: fe Z3 */
+
+/* qhasm: fe T3 */
+
+/* qhasm: XX=X1^2 */
+/* asm 1: fe_sq(>XX=fe#1,<X1=fe#11); */
+/* asm 2: fe_sq(>XX=r->X,<X1=p->X); */
+fe_sq(r->X,p->X);
+
+/* qhasm: YY=Y1^2 */
+/* asm 1: fe_sq(>YY=fe#3,<Y1=fe#12); */
+/* asm 2: fe_sq(>YY=r->Z,<Y1=p->Y); */
+fe_sq(r->Z,p->Y);
+
+/* qhasm: B=2*Z1^2 */
+/* asm 1: fe_sq2(>B=fe#4,<Z1=fe#13); */
+/* asm 2: fe_sq2(>B=r->T,<Z1=p->Z); */
+fe_sq2(r->T,p->Z);
+
+/* qhasm: A=X1+Y1 */
+/* asm 1: fe_add(>A=fe#2,<X1=fe#11,<Y1=fe#12); */
+/* asm 2: fe_add(>A=r->Y,<X1=p->X,<Y1=p->Y); */
+fe_add(r->Y,p->X,p->Y);
+
+/* qhasm: AA=A^2 */
+/* asm 1: fe_sq(>AA=fe#5,<A=fe#2); */
+/* asm 2: fe_sq(>AA=t0,<A=r->Y); */
+fe_sq(t0,r->Y);
+
+/* qhasm: Y3=YY+XX */
+/* asm 1: fe_add(>Y3=fe#2,<YY=fe#3,<XX=fe#1); */
+/* asm 2: fe_add(>Y3=r->Y,<YY=r->Z,<XX=r->X); */
+fe_add(r->Y,r->Z,r->X);
+
+/* qhasm: Z3=YY-XX */
+/* asm 1: fe_sub(>Z3=fe#3,<YY=fe#3,<XX=fe#1); */
+/* asm 2: fe_sub(>Z3=r->Z,<YY=r->Z,<XX=r->X); */
+fe_sub(r->Z,r->Z,r->X);
+
+/* qhasm: X3=AA-Y3 */
+/* asm 1: fe_sub(>X3=fe#1,<AA=fe#5,<Y3=fe#2); */
+/* asm 2: fe_sub(>X3=r->X,<AA=t0,<Y3=r->Y); */
+fe_sub(r->X,t0,r->Y);
+
+/* qhasm: T3=B-Z3 */
+/* asm 1: fe_sub(>T3=fe#4,<B=fe#4,<Z3=fe#3); */
+/* asm 2: fe_sub(>T3=r->T,<B=r->T,<Z3=r->Z); */
+fe_sub(r->T,r->T,r->Z);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/ge_p3_0.c b/plugin/auth_ed25519/ref10/ge_p3_0.c
new file mode 100644
index 00000000000..401b2935a11
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p3_0.c
@@ -0,0 +1,9 @@
+#include "ge.h"
+
+void ge_p3_0(ge_p3 *h)
+{
+  fe_0(h->X);
+  fe_1(h->Y);
+  fe_1(h->Z);
+  fe_0(h->T);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p3_dbl.c b/plugin/auth_ed25519/ref10/ge_p3_dbl.c
new file mode 100644
index 00000000000..0d8a05915d3
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p3_dbl.c
@@ -0,0 +1,12 @@
+#include "ge.h"
+
+/*
+r = 2 * p
+*/
+
+void ge_p3_dbl(ge_p1p1 *r,const ge_p3 *p)
+{
+  ge_p2 q;
+  ge_p3_to_p2(&q,p);
+  ge_p2_dbl(r,&q);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p3_to_cached.c b/plugin/auth_ed25519/ref10/ge_p3_to_cached.c
new file mode 100644
index 00000000000..bde64228cf1
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p3_to_cached.c
@@ -0,0 +1,17 @@
+#include "ge.h"
+
+/*
+r = p
+*/
+
+static const fe d2 = {
+#include "d2.h"
+} ;
+
+extern void ge_p3_to_cached(ge_cached *r,const ge_p3 *p)
+{
+  fe_add(r->YplusX,p->Y,p->X);
+  fe_sub(r->YminusX,p->Y,p->X);
+  fe_copy(r->Z,p->Z);
+  fe_mul(r->T2d,p->T,d2);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p3_to_p2.c b/plugin/auth_ed25519/ref10/ge_p3_to_p2.c
new file mode 100644
index 00000000000..e532a9e4cbc
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p3_to_p2.c
@@ -0,0 +1,12 @@
+#include "ge.h"
+
+/*
+r = p
+*/
+
+extern void ge_p3_to_p2(ge_p2 *r,const ge_p3 *p)
+{
+  fe_copy(r->X,p->X);
+  fe_copy(r->Y,p->Y);
+  fe_copy(r->Z,p->Z);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_p3_tobytes.c b/plugin/auth_ed25519/ref10/ge_p3_tobytes.c
new file mode 100644
index 00000000000..21cb2fc656d
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_p3_tobytes.c
@@ -0,0 +1,14 @@
+#include "ge.h"
+
+void ge_p3_tobytes(unsigned char *s,const ge_p3 *h)
+{
+  fe recip;
+  fe x;
+  fe y;
+
+  fe_invert(recip,h->Z);
+  fe_mul(x,h->X,recip);
+  fe_mul(y,h->Y,recip);
+  fe_tobytes(s,y);
+  s[31] ^= fe_isnegative(x) << 7;
+}
diff --git a/plugin/auth_ed25519/ref10/ge_precomp_0.c b/plugin/auth_ed25519/ref10/ge_precomp_0.c
new file mode 100644
index 00000000000..2e218861d8b
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_precomp_0.c
@@ -0,0 +1,8 @@
+#include "ge.h"
+
+void ge_precomp_0(ge_precomp *h)
+{
+  fe_1(h->yplusx);
+  fe_1(h->yminusx);
+  fe_0(h->xy2d);
+}
diff --git a/plugin/auth_ed25519/ref10/ge_scalarmult_base.c b/plugin/auth_ed25519/ref10/ge_scalarmult_base.c
new file mode 100644
index 00000000000..421e4fa0fba
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_scalarmult_base.c
@@ -0,0 +1,105 @@
+#include "ge.h"
+#include "crypto_uint32.h"
+
+static unsigned char equal(signed char b,signed char c)
+{
+  unsigned char ub = b;
+  unsigned char uc = c;
+  unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */
+  crypto_uint32 y = x; /* 0: yes; 1..255: no */
+  y -= 1; /* 4294967295: yes; 0..254: no */
+  y >>= 31; /* 1: yes; 0: no */
+  return y;
+}
+
+static unsigned char negative(signed char b)
+{
+  unsigned long long x = b; /* 18446744073709551361..18446744073709551615: yes; 0..255: no */
+  x >>= 63; /* 1: yes; 0: no */
+  return x;
+}
+
+static void cmov(ge_precomp *t,ge_precomp *u,unsigned char b)
+{
+  fe_cmov(t->yplusx,u->yplusx,b);
+  fe_cmov(t->yminusx,u->yminusx,b);
+  fe_cmov(t->xy2d,u->xy2d,b);
+}
+
+/* base[i][j] = (j+1)*256^i*B */
+static ge_precomp base[32][8] = {
+#include "base.h"
+} ;
+
+static void select(ge_precomp *t,int pos,signed char b)
+{
+  ge_precomp minust;
+  unsigned char bnegative = negative(b);
+  unsigned char babs = b - (((-bnegative) & b) << 1);
+
+  ge_precomp_0(t);
+  cmov(t,&base[pos][0],equal(babs,1));
+  cmov(t,&base[pos][1],equal(babs,2));
+  cmov(t,&base[pos][2],equal(babs,3));
+  cmov(t,&base[pos][3],equal(babs,4));
+  cmov(t,&base[pos][4],equal(babs,5));
+  cmov(t,&base[pos][5],equal(babs,6));
+  cmov(t,&base[pos][6],equal(babs,7));
+  cmov(t,&base[pos][7],equal(babs,8));
+  fe_copy(minust.yplusx,t->yminusx);
+  fe_copy(minust.yminusx,t->yplusx);
+  fe_neg(minust.xy2d,t->xy2d);
+  cmov(t,&minust,bnegative);
+}
+
+/*
+h = a * B
+where a = a[0]+256*a[1]+...+256^31 a[31]
+B is the Ed25519 base point (x,4/5) with x positive.
+
+Preconditions:
+  a[31] <= 127
+*/
+
+void ge_scalarmult_base(ge_p3 *h,const unsigned char *a)
+{
+  signed char e[64];
+  signed char carry;
+  ge_p1p1 r;
+  ge_p2 s;
+  ge_precomp t;
+  int i;
+
+  for (i = 0;i < 32;++i) {
+    e[2 * i + 0] = (a[i] >> 0) & 15;
+    e[2 * i + 1] = (a[i] >> 4) & 15;
+  }
+  /* each e[i] is between 0 and 15 */
+  /* e[63] is between 0 and 7 */
+
+  carry = 0;
+  for (i = 0;i < 63;++i) {
+    e[i] += carry;
+    carry = e[i] + 8;
+    carry >>= 4;
+    e[i] -= carry << 4;
+  }
+  e[63] += carry;
+  /* each e[i] is between -8 and 8 */
+
+  ge_p3_0(h);
+  for (i = 1;i < 64;i += 2) {
+    select(&t,i / 2,e[i]);
+    ge_madd(&r,h,&t); ge_p1p1_to_p3(h,&r);
+  }
+
+  ge_p3_dbl(&r,h);  ge_p1p1_to_p2(&s,&r);
+  ge_p2_dbl(&r,&s); ge_p1p1_to_p2(&s,&r);
+  ge_p2_dbl(&r,&s); ge_p1p1_to_p2(&s,&r);
+  ge_p2_dbl(&r,&s); ge_p1p1_to_p3(h,&r);
+
+  for (i = 0;i < 64;i += 2) {
+    select(&t,i / 2,e[i]);
+    ge_madd(&r,h,&t); ge_p1p1_to_p3(h,&r);
+  }
+}
diff --git a/plugin/auth_ed25519/ref10/ge_sub.c b/plugin/auth_ed25519/ref10/ge_sub.c
new file mode 100644
index 00000000000..69f3d54062f
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_sub.c
@@ -0,0 +1,11 @@
+#include "ge.h"
+
+/*
+r = p - q
+*/
+
+void ge_sub(ge_p1p1 *r,const ge_p3 *p,const ge_cached *q)
+{
+  fe t0;
+#include "ge_sub.h"
+}
diff --git a/plugin/auth_ed25519/ref10/ge_sub.h b/plugin/auth_ed25519/ref10/ge_sub.h
new file mode 100644
index 00000000000..b4ef1f5dd04
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_sub.h
@@ -0,0 +1,97 @@
+
+/* qhasm: enter ge_sub */
+
+/* qhasm: fe X1 */
+
+/* qhasm: fe Y1 */
+
+/* qhasm: fe Z1 */
+
+/* qhasm: fe Z2 */
+
+/* qhasm: fe T1 */
+
+/* qhasm: fe ZZ */
+
+/* qhasm: fe YpX2 */
+
+/* qhasm: fe YmX2 */
+
+/* qhasm: fe T2d2 */
+
+/* qhasm: fe X3 */
+
+/* qhasm: fe Y3 */
+
+/* qhasm: fe Z3 */
+
+/* qhasm: fe T3 */
+
+/* qhasm: fe YpX1 */
+
+/* qhasm: fe YmX1 */
+
+/* qhasm: fe A */
+
+/* qhasm: fe B */
+
+/* qhasm: fe C */
+
+/* qhasm: fe D */
+
+/* qhasm: YpX1 = Y1+X1 */
+/* asm 1: fe_add(>YpX1=fe#1,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_add(>YpX1=r->X,<Y1=p->Y,<X1=p->X); */
+fe_add(r->X,p->Y,p->X);
+
+/* qhasm: YmX1 = Y1-X1 */
+/* asm 1: fe_sub(>YmX1=fe#2,<Y1=fe#12,<X1=fe#11); */
+/* asm 2: fe_sub(>YmX1=r->Y,<Y1=p->Y,<X1=p->X); */
+fe_sub(r->Y,p->Y,p->X);
+
+/* qhasm: A = YpX1*YmX2 */
+/* asm 1: fe_mul(>A=fe#3,<YpX1=fe#1,<YmX2=fe#16); */
+/* asm 2: fe_mul(>A=r->Z,<YpX1=r->X,<YmX2=q->YminusX); */
+fe_mul(r->Z,r->X,q->YminusX);
+
+/* qhasm: B = YmX1*YpX2 */
+/* asm 1: fe_mul(>B=fe#2,<YmX1=fe#2,<YpX2=fe#15); */
+/* asm 2: fe_mul(>B=r->Y,<YmX1=r->Y,<YpX2=q->YplusX); */
+fe_mul(r->Y,r->Y,q->YplusX);
+
+/* qhasm: C = T2d2*T1 */
+/* asm 1: fe_mul(>C=fe#4,<T2d2=fe#18,<T1=fe#14); */
+/* asm 2: fe_mul(>C=r->T,<T2d2=q->T2d,<T1=p->T); */
+fe_mul(r->T,q->T2d,p->T);
+
+/* qhasm: ZZ = Z1*Z2 */
+/* asm 1: fe_mul(>ZZ=fe#1,<Z1=fe#13,<Z2=fe#17); */
+/* asm 2: fe_mul(>ZZ=r->X,<Z1=p->Z,<Z2=q->Z); */
+fe_mul(r->X,p->Z,q->Z);
+
+/* qhasm: D = 2*ZZ */
+/* asm 1: fe_add(>D=fe#5,<ZZ=fe#1,<ZZ=fe#1); */
+/* asm 2: fe_add(>D=t0,<ZZ=r->X,<ZZ=r->X); */
+fe_add(t0,r->X,r->X);
+
+/* qhasm: X3 = A-B */
+/* asm 1: fe_sub(>X3=fe#1,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_sub(>X3=r->X,<A=r->Z,<B=r->Y); */
+fe_sub(r->X,r->Z,r->Y);
+
+/* qhasm: Y3 = A+B */
+/* asm 1: fe_add(>Y3=fe#2,<A=fe#3,<B=fe#2); */
+/* asm 2: fe_add(>Y3=r->Y,<A=r->Z,<B=r->Y); */
+fe_add(r->Y,r->Z,r->Y);
+
+/* qhasm: Z3 = D-C */
+/* asm 1: fe_sub(>Z3=fe#3,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_sub(>Z3=r->Z,<D=t0,<C=r->T); */
+fe_sub(r->Z,t0,r->T);
+
+/* qhasm: T3 = D+C */
+/* asm 1: fe_add(>T3=fe#4,<D=fe#5,<C=fe#4); */
+/* asm 2: fe_add(>T3=r->T,<D=t0,<C=r->T); */
+fe_add(r->T,t0,r->T);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/ge_tobytes.c b/plugin/auth_ed25519/ref10/ge_tobytes.c
new file mode 100644
index 00000000000..31b3d33e095
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/ge_tobytes.c
@@ -0,0 +1,14 @@
+#include "ge.h"
+
+void ge_tobytes(unsigned char *s,const ge_p2 *h)
+{
+  fe recip;
+  fe x;
+  fe y;
+
+  fe_invert(recip,h->Z);
+  fe_mul(x,h->X,recip);
+  fe_mul(y,h->Y,recip);
+  fe_tobytes(s,y);
+  s[31] ^= fe_isnegative(x) << 7;
+}
diff --git a/plugin/auth_ed25519/ref10/keypair.c b/plugin/auth_ed25519/ref10/keypair.c
new file mode 100644
index 00000000000..64000838b5e
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/keypair.c
@@ -0,0 +1,23 @@
+#include <string.h>
+#include "crypto_sign.h"
+#include "crypto_hash_sha512.h"
+#include "ge.h"
+
+int crypto_sign_keypair(
+  unsigned char *pk,
+  unsigned char *pw, unsigned long long pwlen
+)
+{
+  unsigned char az[64];
+  ge_p3 A;
+
+  crypto_hash_sha512(az,pw,pwlen);
+  az[0] &= 248;
+  az[31] &= 63;
+  az[31] |= 64;
+
+  ge_scalarmult_base(&A,az);
+  ge_p3_tobytes(pk,&A);
+
+  return 0;
+}
diff --git a/plugin/auth_ed25519/ref10/open.c b/plugin/auth_ed25519/ref10/open.c
new file mode 100644
index 00000000000..7362b681436
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/open.c
@@ -0,0 +1,36 @@
+#include <string.h>
+#include "crypto_sign.h"
+#include "crypto_hash_sha512.h"
+#include "crypto_verify_32.h"
+#include "ge.h"
+#include "sc.h"
+
+int crypto_sign_open(
+  unsigned char *sm, unsigned long long smlen,
+  const unsigned char *pk
+)
+{
+  unsigned char scopy[32];
+  unsigned char h[64];
+  unsigned char rcheck[32];
+  ge_p3 A;
+  ge_p2 R;
+
+  if (smlen < 64) goto badsig;
+  if (sm[63] & 224) goto badsig;
+  if (ge_frombytes_negate_vartime(&A,pk) != 0) goto badsig;
+
+  memmove(scopy,sm + 32,32);
+
+  memmove(sm + 32,pk,32);
+  crypto_hash_sha512(h,sm,smlen);
+  sc_reduce(h);
+
+  ge_double_scalarmult_vartime(&R,h,&A,scopy);
+  ge_tobytes(rcheck,&R);
+  if (crypto_verify_32(rcheck,sm) == 0)
+    return 0;
+
+badsig:
+  return -1;
+}
diff --git a/plugin/auth_ed25519/ref10/pow22523.h b/plugin/auth_ed25519/ref10/pow22523.h
new file mode 100644
index 00000000000..60ffe0d34c8
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/pow22523.h
@@ -0,0 +1,160 @@
+
+/* qhasm: fe z1 */
+
+/* qhasm: fe z2 */
+
+/* qhasm: fe z8 */
+
+/* qhasm: fe z9 */
+
+/* qhasm: fe z11 */
+
+/* qhasm: fe z22 */
+
+/* qhasm: fe z_5_0 */
+
+/* qhasm: fe z_10_5 */
+
+/* qhasm: fe z_10_0 */
+
+/* qhasm: fe z_20_10 */
+
+/* qhasm: fe z_20_0 */
+
+/* qhasm: fe z_40_20 */
+
+/* qhasm: fe z_40_0 */
+
+/* qhasm: fe z_50_10 */
+
+/* qhasm: fe z_50_0 */
+
+/* qhasm: fe z_100_50 */
+
+/* qhasm: fe z_100_0 */
+
+/* qhasm: fe z_200_100 */
+
+/* qhasm: fe z_200_0 */
+
+/* qhasm: fe z_250_50 */
+
+/* qhasm: fe z_250_0 */
+
+/* qhasm: fe z_252_2 */
+
+/* qhasm: fe z_252_3 */
+
+/* qhasm: enter pow22523 */
+
+/* qhasm: z2 = z1^2^1 */
+/* asm 1: fe_sq(>z2=fe#1,<z1=fe#11); for (i = 1;i < 1;++i) fe_sq(>z2=fe#1,>z2=fe#1); */
+/* asm 2: fe_sq(>z2=t0,<z1=z); for (i = 1;i < 1;++i) fe_sq(>z2=t0,>z2=t0); */
+fe_sq(t0,z); for (i = 1;i < 1;++i) fe_sq(t0,t0);
+
+/* qhasm: z8 = z2^2^2 */
+/* asm 1: fe_sq(>z8=fe#2,<z2=fe#1); for (i = 1;i < 2;++i) fe_sq(>z8=fe#2,>z8=fe#2); */
+/* asm 2: fe_sq(>z8=t1,<z2=t0); for (i = 1;i < 2;++i) fe_sq(>z8=t1,>z8=t1); */
+fe_sq(t1,t0); for (i = 1;i < 2;++i) fe_sq(t1,t1);
+
+/* qhasm: z9 = z1*z8 */
+/* asm 1: fe_mul(>z9=fe#2,<z1=fe#11,<z8=fe#2); */
+/* asm 2: fe_mul(>z9=t1,<z1=z,<z8=t1); */
+fe_mul(t1,z,t1);
+
+/* qhasm: z11 = z2*z9 */
+/* asm 1: fe_mul(>z11=fe#1,<z2=fe#1,<z9=fe#2); */
+/* asm 2: fe_mul(>z11=t0,<z2=t0,<z9=t1); */
+fe_mul(t0,t0,t1);
+
+/* qhasm: z22 = z11^2^1 */
+/* asm 1: fe_sq(>z22=fe#1,<z11=fe#1); for (i = 1;i < 1;++i) fe_sq(>z22=fe#1,>z22=fe#1); */
+/* asm 2: fe_sq(>z22=t0,<z11=t0); for (i = 1;i < 1;++i) fe_sq(>z22=t0,>z22=t0); */
+fe_sq(t0,t0); for (i = 1;i < 1;++i) fe_sq(t0,t0);
+
+/* qhasm: z_5_0 = z9*z22 */
+/* asm 1: fe_mul(>z_5_0=fe#1,<z9=fe#2,<z22=fe#1); */
+/* asm 2: fe_mul(>z_5_0=t0,<z9=t1,<z22=t0); */
+fe_mul(t0,t1,t0);
+
+/* qhasm: z_10_5 = z_5_0^2^5 */
+/* asm 1: fe_sq(>z_10_5=fe#2,<z_5_0=fe#1); for (i = 1;i < 5;++i) fe_sq(>z_10_5=fe#2,>z_10_5=fe#2); */
+/* asm 2: fe_sq(>z_10_5=t1,<z_5_0=t0); for (i = 1;i < 5;++i) fe_sq(>z_10_5=t1,>z_10_5=t1); */
+fe_sq(t1,t0); for (i = 1;i < 5;++i) fe_sq(t1,t1);
+
+/* qhasm: z_10_0 = z_10_5*z_5_0 */
+/* asm 1: fe_mul(>z_10_0=fe#1,<z_10_5=fe#2,<z_5_0=fe#1); */
+/* asm 2: fe_mul(>z_10_0=t0,<z_10_5=t1,<z_5_0=t0); */
+fe_mul(t0,t1,t0);
+
+/* qhasm: z_20_10 = z_10_0^2^10 */
+/* asm 1: fe_sq(>z_20_10=fe#2,<z_10_0=fe#1); for (i = 1;i < 10;++i) fe_sq(>z_20_10=fe#2,>z_20_10=fe#2); */
+/* asm 2: fe_sq(>z_20_10=t1,<z_10_0=t0); for (i = 1;i < 10;++i) fe_sq(>z_20_10=t1,>z_20_10=t1); */
+fe_sq(t1,t0); for (i = 1;i < 10;++i) fe_sq(t1,t1);
+
+/* qhasm: z_20_0 = z_20_10*z_10_0 */
+/* asm 1: fe_mul(>z_20_0=fe#2,<z_20_10=fe#2,<z_10_0=fe#1); */
+/* asm 2: fe_mul(>z_20_0=t1,<z_20_10=t1,<z_10_0=t0); */
+fe_mul(t1,t1,t0);
+
+/* qhasm: z_40_20 = z_20_0^2^20 */
+/* asm 1: fe_sq(>z_40_20=fe#3,<z_20_0=fe#2); for (i = 1;i < 20;++i) fe_sq(>z_40_20=fe#3,>z_40_20=fe#3); */
+/* asm 2: fe_sq(>z_40_20=t2,<z_20_0=t1); for (i = 1;i < 20;++i) fe_sq(>z_40_20=t2,>z_40_20=t2); */
+fe_sq(t2,t1); for (i = 1;i < 20;++i) fe_sq(t2,t2);
+
+/* qhasm: z_40_0 = z_40_20*z_20_0 */
+/* asm 1: fe_mul(>z_40_0=fe#2,<z_40_20=fe#3,<z_20_0=fe#2); */
+/* asm 2: fe_mul(>z_40_0=t1,<z_40_20=t2,<z_20_0=t1); */
+fe_mul(t1,t2,t1);
+
+/* qhasm: z_50_10 = z_40_0^2^10 */
+/* asm 1: fe_sq(>z_50_10=fe#2,<z_40_0=fe#2); for (i = 1;i < 10;++i) fe_sq(>z_50_10=fe#2,>z_50_10=fe#2); */
+/* asm 2: fe_sq(>z_50_10=t1,<z_40_0=t1); for (i = 1;i < 10;++i) fe_sq(>z_50_10=t1,>z_50_10=t1); */
+fe_sq(t1,t1); for (i = 1;i < 10;++i) fe_sq(t1,t1);
+
+/* qhasm: z_50_0 = z_50_10*z_10_0 */
+/* asm 1: fe_mul(>z_50_0=fe#1,<z_50_10=fe#2,<z_10_0=fe#1); */
+/* asm 2: fe_mul(>z_50_0=t0,<z_50_10=t1,<z_10_0=t0); */
+fe_mul(t0,t1,t0);
+
+/* qhasm: z_100_50 = z_50_0^2^50 */
+/* asm 1: fe_sq(>z_100_50=fe#2,<z_50_0=fe#1); for (i = 1;i < 50;++i) fe_sq(>z_100_50=fe#2,>z_100_50=fe#2); */
+/* asm 2: fe_sq(>z_100_50=t1,<z_50_0=t0); for (i = 1;i < 50;++i) fe_sq(>z_100_50=t1,>z_100_50=t1); */
+fe_sq(t1,t0); for (i = 1;i < 50;++i) fe_sq(t1,t1);
+
+/* qhasm: z_100_0 = z_100_50*z_50_0 */
+/* asm 1: fe_mul(>z_100_0=fe#2,<z_100_50=fe#2,<z_50_0=fe#1); */
+/* asm 2: fe_mul(>z_100_0=t1,<z_100_50=t1,<z_50_0=t0); */
+fe_mul(t1,t1,t0);
+
+/* qhasm: z_200_100 = z_100_0^2^100 */
+/* asm 1: fe_sq(>z_200_100=fe#3,<z_100_0=fe#2); for (i = 1;i < 100;++i) fe_sq(>z_200_100=fe#3,>z_200_100=fe#3); */
+/* asm 2: fe_sq(>z_200_100=t2,<z_100_0=t1); for (i = 1;i < 100;++i) fe_sq(>z_200_100=t2,>z_200_100=t2); */
+fe_sq(t2,t1); for (i = 1;i < 100;++i) fe_sq(t2,t2);
+
+/* qhasm: z_200_0 = z_200_100*z_100_0 */
+/* asm 1: fe_mul(>z_200_0=fe#2,<z_200_100=fe#3,<z_100_0=fe#2); */
+/* asm 2: fe_mul(>z_200_0=t1,<z_200_100=t2,<z_100_0=t1); */
+fe_mul(t1,t2,t1);
+
+/* qhasm: z_250_50 = z_200_0^2^50 */
+/* asm 1: fe_sq(>z_250_50=fe#2,<z_200_0=fe#2); for (i = 1;i < 50;++i) fe_sq(>z_250_50=fe#2,>z_250_50=fe#2); */
+/* asm 2: fe_sq(>z_250_50=t1,<z_200_0=t1); for (i = 1;i < 50;++i) fe_sq(>z_250_50=t1,>z_250_50=t1); */
+fe_sq(t1,t1); for (i = 1;i < 50;++i) fe_sq(t1,t1);
+
+/* qhasm: z_250_0 = z_250_50*z_50_0 */
+/* asm 1: fe_mul(>z_250_0=fe#1,<z_250_50=fe#2,<z_50_0=fe#1); */
+/* asm 2: fe_mul(>z_250_0=t0,<z_250_50=t1,<z_50_0=t0); */
+fe_mul(t0,t1,t0);
+
+/* qhasm: z_252_2 = z_250_0^2^2 */
+/* asm 1: fe_sq(>z_252_2=fe#1,<z_250_0=fe#1); for (i = 1;i < 2;++i) fe_sq(>z_252_2=fe#1,>z_252_2=fe#1); */
+/* asm 2: fe_sq(>z_252_2=t0,<z_250_0=t0); for (i = 1;i < 2;++i) fe_sq(>z_252_2=t0,>z_252_2=t0); */
+fe_sq(t0,t0); for (i = 1;i < 2;++i) fe_sq(t0,t0);
+
+/* qhasm: z_252_3 = z_252_2*z1 */
+/* asm 1: fe_mul(>z_252_3=fe#12,<z_252_2=fe#1,<z1=fe#11); */
+/* asm 2: fe_mul(>z_252_3=out,<z_252_2=t0,<z1=z); */
+fe_mul(out,t0,z);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/pow225521.h b/plugin/auth_ed25519/ref10/pow225521.h
new file mode 100644
index 00000000000..109df779a2d
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/pow225521.h
@@ -0,0 +1,160 @@
+
+/* qhasm: fe z1 */
+
+/* qhasm: fe z2 */
+
+/* qhasm: fe z8 */
+
+/* qhasm: fe z9 */
+
+/* qhasm: fe z11 */
+
+/* qhasm: fe z22 */
+
+/* qhasm: fe z_5_0 */
+
+/* qhasm: fe z_10_5 */
+
+/* qhasm: fe z_10_0 */
+
+/* qhasm: fe z_20_10 */
+
+/* qhasm: fe z_20_0 */
+
+/* qhasm: fe z_40_20 */
+
+/* qhasm: fe z_40_0 */
+
+/* qhasm: fe z_50_10 */
+
+/* qhasm: fe z_50_0 */
+
+/* qhasm: fe z_100_50 */
+
+/* qhasm: fe z_100_0 */
+
+/* qhasm: fe z_200_100 */
+
+/* qhasm: fe z_200_0 */
+
+/* qhasm: fe z_250_50 */
+
+/* qhasm: fe z_250_0 */
+
+/* qhasm: fe z_255_5 */
+
+/* qhasm: fe z_255_21 */
+
+/* qhasm: enter pow225521 */
+
+/* qhasm: z2 = z1^2^1 */
+/* asm 1: fe_sq(>z2=fe#1,<z1=fe#11); for (i = 1;i < 1;++i) fe_sq(>z2=fe#1,>z2=fe#1); */
+/* asm 2: fe_sq(>z2=t0,<z1=z); for (i = 1;i < 1;++i) fe_sq(>z2=t0,>z2=t0); */
+fe_sq(t0,z); for (i = 1;i < 1;++i) fe_sq(t0,t0);
+
+/* qhasm: z8 = z2^2^2 */
+/* asm 1: fe_sq(>z8=fe#2,<z2=fe#1); for (i = 1;i < 2;++i) fe_sq(>z8=fe#2,>z8=fe#2); */
+/* asm 2: fe_sq(>z8=t1,<z2=t0); for (i = 1;i < 2;++i) fe_sq(>z8=t1,>z8=t1); */
+fe_sq(t1,t0); for (i = 1;i < 2;++i) fe_sq(t1,t1);
+
+/* qhasm: z9 = z1*z8 */
+/* asm 1: fe_mul(>z9=fe#2,<z1=fe#11,<z8=fe#2); */
+/* asm 2: fe_mul(>z9=t1,<z1=z,<z8=t1); */
+fe_mul(t1,z,t1);
+
+/* qhasm: z11 = z2*z9 */
+/* asm 1: fe_mul(>z11=fe#1,<z2=fe#1,<z9=fe#2); */
+/* asm 2: fe_mul(>z11=t0,<z2=t0,<z9=t1); */
+fe_mul(t0,t0,t1);
+
+/* qhasm: z22 = z11^2^1 */
+/* asm 1: fe_sq(>z22=fe#3,<z11=fe#1); for (i = 1;i < 1;++i) fe_sq(>z22=fe#3,>z22=fe#3); */
+/* asm 2: fe_sq(>z22=t2,<z11=t0); for (i = 1;i < 1;++i) fe_sq(>z22=t2,>z22=t2); */
+fe_sq(t2,t0); for (i = 1;i < 1;++i) fe_sq(t2,t2);
+
+/* qhasm: z_5_0 = z9*z22 */
+/* asm 1: fe_mul(>z_5_0=fe#2,<z9=fe#2,<z22=fe#3); */
+/* asm 2: fe_mul(>z_5_0=t1,<z9=t1,<z22=t2); */
+fe_mul(t1,t1,t2);
+
+/* qhasm: z_10_5 = z_5_0^2^5 */
+/* asm 1: fe_sq(>z_10_5=fe#3,<z_5_0=fe#2); for (i = 1;i < 5;++i) fe_sq(>z_10_5=fe#3,>z_10_5=fe#3); */
+/* asm 2: fe_sq(>z_10_5=t2,<z_5_0=t1); for (i = 1;i < 5;++i) fe_sq(>z_10_5=t2,>z_10_5=t2); */
+fe_sq(t2,t1); for (i = 1;i < 5;++i) fe_sq(t2,t2);
+
+/* qhasm: z_10_0 = z_10_5*z_5_0 */
+/* asm 1: fe_mul(>z_10_0=fe#2,<z_10_5=fe#3,<z_5_0=fe#2); */
+/* asm 2: fe_mul(>z_10_0=t1,<z_10_5=t2,<z_5_0=t1); */
+fe_mul(t1,t2,t1);
+
+/* qhasm: z_20_10 = z_10_0^2^10 */
+/* asm 1: fe_sq(>z_20_10=fe#3,<z_10_0=fe#2); for (i = 1;i < 10;++i) fe_sq(>z_20_10=fe#3,>z_20_10=fe#3); */
+/* asm 2: fe_sq(>z_20_10=t2,<z_10_0=t1); for (i = 1;i < 10;++i) fe_sq(>z_20_10=t2,>z_20_10=t2); */
+fe_sq(t2,t1); for (i = 1;i < 10;++i) fe_sq(t2,t2);
+
+/* qhasm: z_20_0 = z_20_10*z_10_0 */
+/* asm 1: fe_mul(>z_20_0=fe#3,<z_20_10=fe#3,<z_10_0=fe#2); */
+/* asm 2: fe_mul(>z_20_0=t2,<z_20_10=t2,<z_10_0=t1); */
+fe_mul(t2,t2,t1);
+
+/* qhasm: z_40_20 = z_20_0^2^20 */
+/* asm 1: fe_sq(>z_40_20=fe#4,<z_20_0=fe#3); for (i = 1;i < 20;++i) fe_sq(>z_40_20=fe#4,>z_40_20=fe#4); */
+/* asm 2: fe_sq(>z_40_20=t3,<z_20_0=t2); for (i = 1;i < 20;++i) fe_sq(>z_40_20=t3,>z_40_20=t3); */
+fe_sq(t3,t2); for (i = 1;i < 20;++i) fe_sq(t3,t3);
+
+/* qhasm: z_40_0 = z_40_20*z_20_0 */
+/* asm 1: fe_mul(>z_40_0=fe#3,<z_40_20=fe#4,<z_20_0=fe#3); */
+/* asm 2: fe_mul(>z_40_0=t2,<z_40_20=t3,<z_20_0=t2); */
+fe_mul(t2,t3,t2);
+
+/* qhasm: z_50_10 = z_40_0^2^10 */
+/* asm 1: fe_sq(>z_50_10=fe#3,<z_40_0=fe#3); for (i = 1;i < 10;++i) fe_sq(>z_50_10=fe#3,>z_50_10=fe#3); */
+/* asm 2: fe_sq(>z_50_10=t2,<z_40_0=t2); for (i = 1;i < 10;++i) fe_sq(>z_50_10=t2,>z_50_10=t2); */
+fe_sq(t2,t2); for (i = 1;i < 10;++i) fe_sq(t2,t2);
+
+/* qhasm: z_50_0 = z_50_10*z_10_0 */
+/* asm 1: fe_mul(>z_50_0=fe#2,<z_50_10=fe#3,<z_10_0=fe#2); */
+/* asm 2: fe_mul(>z_50_0=t1,<z_50_10=t2,<z_10_0=t1); */
+fe_mul(t1,t2,t1);
+
+/* qhasm: z_100_50 = z_50_0^2^50 */
+/* asm 1: fe_sq(>z_100_50=fe#3,<z_50_0=fe#2); for (i = 1;i < 50;++i) fe_sq(>z_100_50=fe#3,>z_100_50=fe#3); */
+/* asm 2: fe_sq(>z_100_50=t2,<z_50_0=t1); for (i = 1;i < 50;++i) fe_sq(>z_100_50=t2,>z_100_50=t2); */
+fe_sq(t2,t1); for (i = 1;i < 50;++i) fe_sq(t2,t2);
+
+/* qhasm: z_100_0 = z_100_50*z_50_0 */
+/* asm 1: fe_mul(>z_100_0=fe#3,<z_100_50=fe#3,<z_50_0=fe#2); */
+/* asm 2: fe_mul(>z_100_0=t2,<z_100_50=t2,<z_50_0=t1); */
+fe_mul(t2,t2,t1);
+
+/* qhasm: z_200_100 = z_100_0^2^100 */
+/* asm 1: fe_sq(>z_200_100=fe#4,<z_100_0=fe#3); for (i = 1;i < 100;++i) fe_sq(>z_200_100=fe#4,>z_200_100=fe#4); */
+/* asm 2: fe_sq(>z_200_100=t3,<z_100_0=t2); for (i = 1;i < 100;++i) fe_sq(>z_200_100=t3,>z_200_100=t3); */
+fe_sq(t3,t2); for (i = 1;i < 100;++i) fe_sq(t3,t3);
+
+/* qhasm: z_200_0 = z_200_100*z_100_0 */
+/* asm 1: fe_mul(>z_200_0=fe#3,<z_200_100=fe#4,<z_100_0=fe#3); */
+/* asm 2: fe_mul(>z_200_0=t2,<z_200_100=t3,<z_100_0=t2); */
+fe_mul(t2,t3,t2);
+
+/* qhasm: z_250_50 = z_200_0^2^50 */
+/* asm 1: fe_sq(>z_250_50=fe#3,<z_200_0=fe#3); for (i = 1;i < 50;++i) fe_sq(>z_250_50=fe#3,>z_250_50=fe#3); */
+/* asm 2: fe_sq(>z_250_50=t2,<z_200_0=t2); for (i = 1;i < 50;++i) fe_sq(>z_250_50=t2,>z_250_50=t2); */
+fe_sq(t2,t2); for (i = 1;i < 50;++i) fe_sq(t2,t2);
+
+/* qhasm: z_250_0 = z_250_50*z_50_0 */
+/* asm 1: fe_mul(>z_250_0=fe#2,<z_250_50=fe#3,<z_50_0=fe#2); */
+/* asm 2: fe_mul(>z_250_0=t1,<z_250_50=t2,<z_50_0=t1); */
+fe_mul(t1,t2,t1);
+
+/* qhasm: z_255_5 = z_250_0^2^5 */
+/* asm 1: fe_sq(>z_255_5=fe#2,<z_250_0=fe#2); for (i = 1;i < 5;++i) fe_sq(>z_255_5=fe#2,>z_255_5=fe#2); */
+/* asm 2: fe_sq(>z_255_5=t1,<z_250_0=t1); for (i = 1;i < 5;++i) fe_sq(>z_255_5=t1,>z_255_5=t1); */
+fe_sq(t1,t1); for (i = 1;i < 5;++i) fe_sq(t1,t1);
+
+/* qhasm: z_255_21 = z_255_5*z11 */
+/* asm 1: fe_mul(>z_255_21=fe#12,<z_255_5=fe#2,<z11=fe#1); */
+/* asm 2: fe_mul(>z_255_21=out,<z_255_5=t1,<z11=t0); */
+fe_mul(out,t1,t0);
+
+/* qhasm: return */
diff --git a/plugin/auth_ed25519/ref10/sc.h b/plugin/auth_ed25519/ref10/sc.h
new file mode 100644
index 00000000000..d32ed2e8ca8
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/sc.h
@@ -0,0 +1,15 @@
+#ifndef SC_H
+#define SC_H
+
+/*
+The set of scalars is \Z/l
+where l = 2^252 + 27742317777372353535851937790883648493.
+*/
+
+#define sc_reduce crypto_sign_ed25519_ref10_sc_reduce
+#define sc_muladd crypto_sign_ed25519_ref10_sc_muladd
+
+extern void sc_reduce(unsigned char *);
+extern void sc_muladd(unsigned char *,const unsigned char *,const unsigned char *,const unsigned char *);
+
+#endif
diff --git a/plugin/auth_ed25519/ref10/sc_muladd.c b/plugin/auth_ed25519/ref10/sc_muladd.c
new file mode 100644
index 00000000000..6f1e9d02d60
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/sc_muladd.c
@@ -0,0 +1,368 @@
+#include "sc.h"
+#include "crypto_int64.h"
+#include "crypto_uint32.h"
+#include "crypto_uint64.h"
+
+static crypto_uint64 load_3(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  return result;
+}
+
+static crypto_uint64 load_4(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  result |= ((crypto_uint64) in[3]) << 24;
+  return result;
+}
+
+/*
+Input:
+  a[0]+256*a[1]+...+256^31*a[31] = a
+  b[0]+256*b[1]+...+256^31*b[31] = b
+  c[0]+256*c[1]+...+256^31*c[31] = c
+
+Output:
+  s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l
+  where l = 2^252 + 27742317777372353535851937790883648493.
+*/
+
+void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,const unsigned char *c)
+{
+  crypto_int64 a0 = 2097151 & load_3(a);
+  crypto_int64 a1 = 2097151 & (load_4(a + 2) >> 5);
+  crypto_int64 a2 = 2097151 & (load_3(a + 5) >> 2);
+  crypto_int64 a3 = 2097151 & (load_4(a + 7) >> 7);
+  crypto_int64 a4 = 2097151 & (load_4(a + 10) >> 4);
+  crypto_int64 a5 = 2097151 & (load_3(a + 13) >> 1);
+  crypto_int64 a6 = 2097151 & (load_4(a + 15) >> 6);
+  crypto_int64 a7 = 2097151 & (load_3(a + 18) >> 3);
+  crypto_int64 a8 = 2097151 & load_3(a + 21);
+  crypto_int64 a9 = 2097151 & (load_4(a + 23) >> 5);
+  crypto_int64 a10 = 2097151 & (load_3(a + 26) >> 2);
+  crypto_int64 a11 = (load_4(a + 28) >> 7);
+  crypto_int64 b0 = 2097151 & load_3(b);
+  crypto_int64 b1 = 2097151 & (load_4(b + 2) >> 5);
+  crypto_int64 b2 = 2097151 & (load_3(b + 5) >> 2);
+  crypto_int64 b3 = 2097151 & (load_4(b + 7) >> 7);
+  crypto_int64 b4 = 2097151 & (load_4(b + 10) >> 4);
+  crypto_int64 b5 = 2097151 & (load_3(b + 13) >> 1);
+  crypto_int64 b6 = 2097151 & (load_4(b + 15) >> 6);
+  crypto_int64 b7 = 2097151 & (load_3(b + 18) >> 3);
+  crypto_int64 b8 = 2097151 & load_3(b + 21);
+  crypto_int64 b9 = 2097151 & (load_4(b + 23) >> 5);
+  crypto_int64 b10 = 2097151 & (load_3(b + 26) >> 2);
+  crypto_int64 b11 = (load_4(b + 28) >> 7);
+  crypto_int64 c0 = 2097151 & load_3(c);
+  crypto_int64 c1 = 2097151 & (load_4(c + 2) >> 5);
+  crypto_int64 c2 = 2097151 & (load_3(c + 5) >> 2);
+  crypto_int64 c3 = 2097151 & (load_4(c + 7) >> 7);
+  crypto_int64 c4 = 2097151 & (load_4(c + 10) >> 4);
+  crypto_int64 c5 = 2097151 & (load_3(c + 13) >> 1);
+  crypto_int64 c6 = 2097151 & (load_4(c + 15) >> 6);
+  crypto_int64 c7 = 2097151 & (load_3(c + 18) >> 3);
+  crypto_int64 c8 = 2097151 & load_3(c + 21);
+  crypto_int64 c9 = 2097151 & (load_4(c + 23) >> 5);
+  crypto_int64 c10 = 2097151 & (load_3(c + 26) >> 2);
+  crypto_int64 c11 = (load_4(c + 28) >> 7);
+  crypto_int64 s0;
+  crypto_int64 s1;
+  crypto_int64 s2;
+  crypto_int64 s3;
+  crypto_int64 s4;
+  crypto_int64 s5;
+  crypto_int64 s6;
+  crypto_int64 s7;
+  crypto_int64 s8;
+  crypto_int64 s9;
+  crypto_int64 s10;
+  crypto_int64 s11;
+  crypto_int64 s12;
+  crypto_int64 s13;
+  crypto_int64 s14;
+  crypto_int64 s15;
+  crypto_int64 s16;
+  crypto_int64 s17;
+  crypto_int64 s18;
+  crypto_int64 s19;
+  crypto_int64 s20;
+  crypto_int64 s21;
+  crypto_int64 s22;
+  crypto_int64 s23;
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+  crypto_int64 carry10;
+  crypto_int64 carry11;
+  crypto_int64 carry12;
+  crypto_int64 carry13;
+  crypto_int64 carry14;
+  crypto_int64 carry15;
+  crypto_int64 carry16;
+  crypto_int64 carry17;
+  crypto_int64 carry18;
+  crypto_int64 carry19;
+  crypto_int64 carry20;
+  crypto_int64 carry21;
+  crypto_int64 carry22;
+
+  s0 = c0 + a0*b0;
+  s1 = c1 + a0*b1 + a1*b0;
+  s2 = c2 + a0*b2 + a1*b1 + a2*b0;
+  s3 = c3 + a0*b3 + a1*b2 + a2*b1 + a3*b0;
+  s4 = c4 + a0*b4 + a1*b3 + a2*b2 + a3*b1 + a4*b0;
+  s5 = c5 + a0*b5 + a1*b4 + a2*b3 + a3*b2 + a4*b1 + a5*b0;
+  s6 = c6 + a0*b6 + a1*b5 + a2*b4 + a3*b3 + a4*b2 + a5*b1 + a6*b0;
+  s7 = c7 + a0*b7 + a1*b6 + a2*b5 + a3*b4 + a4*b3 + a5*b2 + a6*b1 + a7*b0;
+  s8 = c8 + a0*b8 + a1*b7 + a2*b6 + a3*b5 + a4*b4 + a5*b3 + a6*b2 + a7*b1 + a8*b0;
+  s9 = c9 + a0*b9 + a1*b8 + a2*b7 + a3*b6 + a4*b5 + a5*b4 + a6*b3 + a7*b2 + a8*b1 + a9*b0;
+  s10 = c10 + a0*b10 + a1*b9 + a2*b8 + a3*b7 + a4*b6 + a5*b5 + a6*b4 + a7*b3 + a8*b2 + a9*b1 + a10*b0;
+  s11 = c11 + a0*b11 + a1*b10 + a2*b9 + a3*b8 + a4*b7 + a5*b6 + a6*b5 + a7*b4 + a8*b3 + a9*b2 + a10*b1 + a11*b0;
+  s12 = a1*b11 + a2*b10 + a3*b9 + a4*b8 + a5*b7 + a6*b6 + a7*b5 + a8*b4 + a9*b3 + a10*b2 + a11*b1;
+  s13 = a2*b11 + a3*b10 + a4*b9 + a5*b8 + a6*b7 + a7*b6 + a8*b5 + a9*b4 + a10*b3 + a11*b2;
+  s14 = a3*b11 + a4*b10 + a5*b9 + a6*b8 + a7*b7 + a8*b6 + a9*b5 + a10*b4 + a11*b3;
+  s15 = a4*b11 + a5*b10 + a6*b9 + a7*b8 + a8*b7 + a9*b6 + a10*b5 + a11*b4;
+  s16 = a5*b11 + a6*b10 + a7*b9 + a8*b8 + a9*b7 + a10*b6 + a11*b5;
+  s17 = a6*b11 + a7*b10 + a8*b9 + a9*b8 + a10*b7 + a11*b6;
+  s18 = a7*b11 + a8*b10 + a9*b9 + a10*b8 + a11*b7;
+  s19 = a8*b11 + a9*b10 + a10*b9 + a11*b8;
+  s20 = a9*b11 + a10*b10 + a11*b9;
+  s21 = a10*b11 + a11*b10;
+  s22 = a11*b11;
+  s23 = 0;
+
+  carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
+  carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
+  carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
+  carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
+  carry18 = (s18 + (1<<20)) >> 21; s19 += carry18; s18 -= carry18 << 21;
+  carry20 = (s20 + (1<<20)) >> 21; s21 += carry20; s20 -= carry20 << 21;
+  carry22 = (s22 + (1<<20)) >> 21; s23 += carry22; s22 -= carry22 << 21;
+
+  carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
+  carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
+  carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
+  carry17 = (s17 + (1<<20)) >> 21; s18 += carry17; s17 -= carry17 << 21;
+  carry19 = (s19 + (1<<20)) >> 21; s20 += carry19; s19 -= carry19 << 21;
+  carry21 = (s21 + (1<<20)) >> 21; s22 += carry21; s21 -= carry21 << 21;
+
+  s11 += s23 * 666643;
+  s12 += s23 * 470296;
+  s13 += s23 * 654183;
+  s14 -= s23 * 997805;
+  s15 += s23 * 136657;
+  s16 -= s23 * 683901;
+  s23 = 0;
+
+  s10 += s22 * 666643;
+  s11 += s22 * 470296;
+  s12 += s22 * 654183;
+  s13 -= s22 * 997805;
+  s14 += s22 * 136657;
+  s15 -= s22 * 683901;
+  s22 = 0;
+
+  s9 += s21 * 666643;
+  s10 += s21 * 470296;
+  s11 += s21 * 654183;
+  s12 -= s21 * 997805;
+  s13 += s21 * 136657;
+  s14 -= s21 * 683901;
+  s21 = 0;
+
+  s8 += s20 * 666643;
+  s9 += s20 * 470296;
+  s10 += s20 * 654183;
+  s11 -= s20 * 997805;
+  s12 += s20 * 136657;
+  s13 -= s20 * 683901;
+  s20 = 0;
+
+  s7 += s19 * 666643;
+  s8 += s19 * 470296;
+  s9 += s19 * 654183;
+  s10 -= s19 * 997805;
+  s11 += s19 * 136657;
+  s12 -= s19 * 683901;
+  s19 = 0;
+
+  s6 += s18 * 666643;
+  s7 += s18 * 470296;
+  s8 += s18 * 654183;
+  s9 -= s18 * 997805;
+  s10 += s18 * 136657;
+  s11 -= s18 * 683901;
+  s18 = 0;
+
+  carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
+  carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
+  carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
+  carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
+
+  carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
+  carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
+  carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
+
+  s5 += s17 * 666643;
+  s6 += s17 * 470296;
+  s7 += s17 * 654183;
+  s8 -= s17 * 997805;
+  s9 += s17 * 136657;
+  s10 -= s17 * 683901;
+  s17 = 0;
+
+  s4 += s16 * 666643;
+  s5 += s16 * 470296;
+  s6 += s16 * 654183;
+  s7 -= s16 * 997805;
+  s8 += s16 * 136657;
+  s9 -= s16 * 683901;
+  s16 = 0;
+
+  s3 += s15 * 666643;
+  s4 += s15 * 470296;
+  s5 += s15 * 654183;
+  s6 -= s15 * 997805;
+  s7 += s15 * 136657;
+  s8 -= s15 * 683901;
+  s15 = 0;
+
+  s2 += s14 * 666643;
+  s3 += s14 * 470296;
+  s4 += s14 * 654183;
+  s5 -= s14 * 997805;
+  s6 += s14 * 136657;
+  s7 -= s14 * 683901;
+  s14 = 0;
+
+  s1 += s13 * 666643;
+  s2 += s13 * 470296;
+  s3 += s13 * 654183;
+  s4 -= s13 * 997805;
+  s5 += s13 * 136657;
+  s6 -= s13 * 683901;
+  s13 = 0;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
+
+  carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
+  carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 << 21;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
+
+  s[0] = s0 >> 0;
+  s[1] = s0 >> 8;
+  s[2] = (s0 >> 16) | (s1 << 5);
+  s[3] = s1 >> 3;
+  s[4] = s1 >> 11;
+  s[5] = (s1 >> 19) | (s2 << 2);
+  s[6] = s2 >> 6;
+  s[7] = (s2 >> 14) | (s3 << 7);
+  s[8] = s3 >> 1;
+  s[9] = s3 >> 9;
+  s[10] = (s3 >> 17) | (s4 << 4);
+  s[11] = s4 >> 4;
+  s[12] = s4 >> 12;
+  s[13] = (s4 >> 20) | (s5 << 1);
+  s[14] = s5 >> 7;
+  s[15] = (s5 >> 15) | (s6 << 6);
+  s[16] = s6 >> 2;
+  s[17] = s6 >> 10;
+  s[18] = (s6 >> 18) | (s7 << 3);
+  s[19] = s7 >> 5;
+  s[20] = s7 >> 13;
+  s[21] = s8 >> 0;
+  s[22] = s8 >> 8;
+  s[23] = (s8 >> 16) | (s9 << 5);
+  s[24] = s9 >> 3;
+  s[25] = s9 >> 11;
+  s[26] = (s9 >> 19) | (s10 << 2);
+  s[27] = s10 >> 6;
+  s[28] = (s10 >> 14) | (s11 << 7);
+  s[29] = s11 >> 1;
+  s[30] = s11 >> 9;
+  s[31] = s11 >> 17;
+}
diff --git a/plugin/auth_ed25519/ref10/sc_reduce.c b/plugin/auth_ed25519/ref10/sc_reduce.c
new file mode 100644
index 00000000000..d01f5a5737e
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/sc_reduce.c
@@ -0,0 +1,275 @@
+#include "sc.h"
+#include "crypto_int64.h"
+#include "crypto_uint32.h"
+#include "crypto_uint64.h"
+
+static crypto_uint64 load_3(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  return result;
+}
+
+static crypto_uint64 load_4(const unsigned char *in)
+{
+  crypto_uint64 result;
+  result = (crypto_uint64) in[0];
+  result |= ((crypto_uint64) in[1]) << 8;
+  result |= ((crypto_uint64) in[2]) << 16;
+  result |= ((crypto_uint64) in[3]) << 24;
+  return result;
+}
+
+/*
+Input:
+  s[0]+256*s[1]+...+256^63*s[63] = s
+
+Output:
+  s[0]+256*s[1]+...+256^31*s[31] = s mod l
+  where l = 2^252 + 27742317777372353535851937790883648493.
+  Overwrites s in place.
+*/
+
+void sc_reduce(unsigned char *s)
+{
+  crypto_int64 s0 = 2097151 & load_3(s);
+  crypto_int64 s1 = 2097151 & (load_4(s + 2) >> 5);
+  crypto_int64 s2 = 2097151 & (load_3(s + 5) >> 2);
+  crypto_int64 s3 = 2097151 & (load_4(s + 7) >> 7);
+  crypto_int64 s4 = 2097151 & (load_4(s + 10) >> 4);
+  crypto_int64 s5 = 2097151 & (load_3(s + 13) >> 1);
+  crypto_int64 s6 = 2097151 & (load_4(s + 15) >> 6);
+  crypto_int64 s7 = 2097151 & (load_3(s + 18) >> 3);
+  crypto_int64 s8 = 2097151 & load_3(s + 21);
+  crypto_int64 s9 = 2097151 & (load_4(s + 23) >> 5);
+  crypto_int64 s10 = 2097151 & (load_3(s + 26) >> 2);
+  crypto_int64 s11 = 2097151 & (load_4(s + 28) >> 7);
+  crypto_int64 s12 = 2097151 & (load_4(s + 31) >> 4);
+  crypto_int64 s13 = 2097151 & (load_3(s + 34) >> 1);
+  crypto_int64 s14 = 2097151 & (load_4(s + 36) >> 6);
+  crypto_int64 s15 = 2097151 & (load_3(s + 39) >> 3);
+  crypto_int64 s16 = 2097151 & load_3(s + 42);
+  crypto_int64 s17 = 2097151 & (load_4(s + 44) >> 5);
+  crypto_int64 s18 = 2097151 & (load_3(s + 47) >> 2);
+  crypto_int64 s19 = 2097151 & (load_4(s + 49) >> 7);
+  crypto_int64 s20 = 2097151 & (load_4(s + 52) >> 4);
+  crypto_int64 s21 = 2097151 & (load_3(s + 55) >> 1);
+  crypto_int64 s22 = 2097151 & (load_4(s + 57) >> 6);
+  crypto_int64 s23 = (load_4(s + 60) >> 3);
+  crypto_int64 carry0;
+  crypto_int64 carry1;
+  crypto_int64 carry2;
+  crypto_int64 carry3;
+  crypto_int64 carry4;
+  crypto_int64 carry5;
+  crypto_int64 carry6;
+  crypto_int64 carry7;
+  crypto_int64 carry8;
+  crypto_int64 carry9;
+  crypto_int64 carry10;
+  crypto_int64 carry11;
+  crypto_int64 carry12;
+  crypto_int64 carry13;
+  crypto_int64 carry14;
+  crypto_int64 carry15;
+  crypto_int64 carry16;
+
+  s11 += s23 * 666643;
+  s12 += s23 * 470296;
+  s13 += s23 * 654183;
+  s14 -= s23 * 997805;
+  s15 += s23 * 136657;
+  s16 -= s23 * 683901;
+  s23 = 0;
+
+  s10 += s22 * 666643;
+  s11 += s22 * 470296;
+  s12 += s22 * 654183;
+  s13 -= s22 * 997805;
+  s14 += s22 * 136657;
+  s15 -= s22 * 683901;
+  s22 = 0;
+
+  s9 += s21 * 666643;
+  s10 += s21 * 470296;
+  s11 += s21 * 654183;
+  s12 -= s21 * 997805;
+  s13 += s21 * 136657;
+  s14 -= s21 * 683901;
+  s21 = 0;
+
+  s8 += s20 * 666643;
+  s9 += s20 * 470296;
+  s10 += s20 * 654183;
+  s11 -= s20 * 997805;
+  s12 += s20 * 136657;
+  s13 -= s20 * 683901;
+  s20 = 0;
+
+  s7 += s19 * 666643;
+  s8 += s19 * 470296;
+  s9 += s19 * 654183;
+  s10 -= s19 * 997805;
+  s11 += s19 * 136657;
+  s12 -= s19 * 683901;
+  s19 = 0;
+
+  s6 += s18 * 666643;
+  s7 += s18 * 470296;
+  s8 += s18 * 654183;
+  s9 -= s18 * 997805;
+  s10 += s18 * 136657;
+  s11 -= s18 * 683901;
+  s18 = 0;
+
+  carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
+  carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
+  carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
+  carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
+
+  carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
+  carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
+  carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
+
+  s5 += s17 * 666643;
+  s6 += s17 * 470296;
+  s7 += s17 * 654183;
+  s8 -= s17 * 997805;
+  s9 += s17 * 136657;
+  s10 -= s17 * 683901;
+  s17 = 0;
+
+  s4 += s16 * 666643;
+  s5 += s16 * 470296;
+  s6 += s16 * 654183;
+  s7 -= s16 * 997805;
+  s8 += s16 * 136657;
+  s9 -= s16 * 683901;
+  s16 = 0;
+
+  s3 += s15 * 666643;
+  s4 += s15 * 470296;
+  s5 += s15 * 654183;
+  s6 -= s15 * 997805;
+  s7 += s15 * 136657;
+  s8 -= s15 * 683901;
+  s15 = 0;
+
+  s2 += s14 * 666643;
+  s3 += s14 * 470296;
+  s4 += s14 * 654183;
+  s5 -= s14 * 997805;
+  s6 += s14 * 136657;
+  s7 -= s14 * 683901;
+  s14 = 0;
+
+  s1 += s13 * 666643;
+  s2 += s13 * 470296;
+  s3 += s13 * 654183;
+  s4 -= s13 * 997805;
+  s5 += s13 * 136657;
+  s6 -= s13 * 683901;
+  s13 = 0;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
+
+  carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
+  carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 << 21;
+
+  s0 += s12 * 666643;
+  s1 += s12 * 470296;
+  s2 += s12 * 654183;
+  s3 -= s12 * 997805;
+  s4 += s12 * 136657;
+  s5 -= s12 * 683901;
+  s12 = 0;
+
+  carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
+  carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
+  carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
+  carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
+  carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
+  carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
+  carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
+  carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
+  carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
+  carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
+  carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
+
+  s[0] = s0 >> 0;
+  s[1] = s0 >> 8;
+  s[2] = (s0 >> 16) | (s1 << 5);
+  s[3] = s1 >> 3;
+  s[4] = s1 >> 11;
+  s[5] = (s1 >> 19) | (s2 << 2);
+  s[6] = s2 >> 6;
+  s[7] = (s2 >> 14) | (s3 << 7);
+  s[8] = s3 >> 1;
+  s[9] = s3 >> 9;
+  s[10] = (s3 >> 17) | (s4 << 4);
+  s[11] = s4 >> 4;
+  s[12] = s4 >> 12;
+  s[13] = (s4 >> 20) | (s5 << 1);
+  s[14] = s5 >> 7;
+  s[15] = (s5 >> 15) | (s6 << 6);
+  s[16] = s6 >> 2;
+  s[17] = s6 >> 10;
+  s[18] = (s6 >> 18) | (s7 << 3);
+  s[19] = s7 >> 5;
+  s[20] = s7 >> 13;
+  s[21] = s8 >> 0;
+  s[22] = s8 >> 8;
+  s[23] = (s8 >> 16) | (s9 << 5);
+  s[24] = s9 >> 3;
+  s[25] = s9 >> 11;
+  s[26] = (s9 >> 19) | (s10 << 2);
+  s[27] = s10 >> 6;
+  s[28] = (s10 >> 14) | (s11 << 7);
+  s[29] = s11 >> 1;
+  s[30] = s11 >> 9;
+  s[31] = s11 >> 17;
+}
diff --git a/plugin/auth_ed25519/ref10/sign.c b/plugin/auth_ed25519/ref10/sign.c
new file mode 100644
index 00000000000..0cf1edd153d
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/sign.c
@@ -0,0 +1,39 @@
+#include <string.h>
+#include "crypto_sign.h"
+#include "crypto_hash_sha512.h"
+#include "ge.h"
+#include "sc.h"
+
+int crypto_sign(
+  unsigned char *sm,
+  const unsigned char *m,unsigned long long mlen,
+  const unsigned char *pw,unsigned long long pwlen
+)
+{
+  unsigned char az[64];
+  unsigned char nonce[64];
+  unsigned char hram[64];
+  ge_p3 A, R;
+
+  crypto_hash_sha512(az,pw,pwlen);
+  az[0] &= 248;
+  az[31] &= 63;
+  az[31] |= 64;
+
+  memmove(sm + 64,m,mlen);
+  memmove(sm + 32,az + 32,32);
+  crypto_hash_sha512(nonce,sm + 32,mlen + 32);
+
+  ge_scalarmult_base(&A,az);
+  ge_p3_tobytes(sm + 32,&A);
+
+  sc_reduce(nonce);
+  ge_scalarmult_base(&R,nonce);
+  ge_p3_tobytes(sm,&R);
+
+  crypto_hash_sha512(hram,sm,mlen + 64);
+  sc_reduce(hram);
+  sc_muladd(sm + 32,hram,az,nonce);
+
+  return 0;
+}
diff --git a/plugin/auth_ed25519/ref10/sqrtm1.h b/plugin/auth_ed25519/ref10/sqrtm1.h
new file mode 100644
index 00000000000..d8caa23b6a6
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/sqrtm1.h
@@ -0,0 +1 @@
+-32595792,-7943725,9377950,3500415,12389472,-272473,-25146209,-2005654,326686,11406482
diff --git a/plugin/auth_ed25519/ref10/verify.c b/plugin/auth_ed25519/ref10/verify.c
new file mode 100644
index 00000000000..a0e23afedeb
--- /dev/null
+++ b/plugin/auth_ed25519/ref10/verify.c
@@ -0,0 +1,40 @@
+#include "crypto_verify.h"
+
+int crypto_verify(const unsigned char *x,const unsigned char *y)
+{
+  unsigned int differentbits = 0;
+#define F(i) differentbits |= x[i] ^ y[i];
+  F(0)
+  F(1)
+  F(2)
+  F(3)
+  F(4)
+  F(5)
+  F(6)
+  F(7)
+  F(8)
+  F(9)
+  F(10)
+  F(11)
+  F(12)
+  F(13)
+  F(14)
+  F(15)
+  F(16)
+  F(17)
+  F(18)
+  F(19)
+  F(20)
+  F(21)
+  F(22)
+  F(23)
+  F(24)
+  F(25)
+  F(26)
+  F(27)
+  F(28)
+  F(29)
+  F(30)
+  F(31)
+  return (1 & ((differentbits - 1) >> 8)) - 1;
+}
diff --git a/plugin/auth_ed25519/server_ed25519.c b/plugin/auth_ed25519/server_ed25519.c
new file mode 100644
index 00000000000..88760275b9b
--- /dev/null
+++ b/plugin/auth_ed25519/server_ed25519.c
@@ -0,0 +1,146 @@
+/*
+   Copyright (c) 2017, MariaDB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+#include <mysql/plugin_auth.h>
+#include "common.h"
+
+#if !defined(__attribute__) && !defined(__GNUC__)
+#define __attribute__(A)
+#endif
+
+#define PASSWORD_LEN_BUF 44 /* base64 of 32 bytes */
+#define PASSWORD_LEN 43     /* we won't store the last byte, padding '=' */
+
+#define CRYPTO_LONGS (CRYPTO_BYTES/sizeof(long))
+#define NONCE_LONGS  (NONCE_BYTES/sizeof(long))
+
+/************************** SERVER *************************************/
+
+static int loaded= 0;
+
+static int auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
+{
+  unsigned int i;
+  int pkt_len;
+  unsigned long nonce[CRYPTO_LONGS + NONCE_LONGS];
+  unsigned char *pkt, *reply= (unsigned char*)nonce;
+  unsigned char pk[PASSWORD_LEN_BUF/4*3];
+  char pw[PASSWORD_LEN_BUF];
+
+  /* prepare the pk */
+  if (info->auth_string_length != PASSWORD_LEN)
+    return CR_AUTH_USER_CREDENTIALS;
+  memcpy(pw, info->auth_string, PASSWORD_LEN);
+  pw[PASSWORD_LEN]= '=';
+  if (my_base64_decode(pw, PASSWORD_LEN_BUF, pk, NULL, 0) != CRYPTO_PUBLICKEYBYTES)
+    return CR_AUTH_USER_CREDENTIALS;
+
+  info->password_used= PASSWORD_USED_YES;
+
+  /* prepare random nonce */
+  for (i=CRYPTO_LONGS; i < CRYPTO_LONGS + NONCE_LONGS; i++)
+    nonce[i]= thd_rnd(info->thd) * ~0UL;
+
+  /* send it */
+  if (vio->write_packet(vio, reply + CRYPTO_BYTES, NONCE_BYTES))
+    return CR_AUTH_HANDSHAKE;
+
+  /* read the signature */
+  if ((pkt_len= vio->read_packet(vio, &pkt)) != CRYPTO_BYTES)
+    return CR_AUTH_HANDSHAKE;
+  memcpy(reply, pkt, CRYPTO_BYTES);
+
+  if (crypto_sign_open(reply, CRYPTO_BYTES + NONCE_BYTES, pk))
+    return CR_ERROR;
+
+  return CR_OK;
+}
+
+static struct st_mysql_auth info =
+{
+  MYSQL_AUTHENTICATION_INTERFACE_VERSION,
+  "client_ed25519",
+ auth
+};
+
+static int init(void *p __attribute__((unused)))
+{
+  loaded= 1;
+  return 0;
+}
+
+static int deinit(void *p __attribute__((unused)))
+{
+  loaded= 0;
+  return 0;
+}
+
+maria_declare_plugin(ed25519)
+{
+  MYSQL_AUTHENTICATION_PLUGIN,
+  &info,
+  "ed25519",
+  "Sergei Golubchik",
+  "Elliptic curve ED25519 based authentication",
+  PLUGIN_LICENSE_GPL,
+  init,
+  deinit,
+  0x0100,
+  NULL,
+  NULL,
+  "1.0-alpha",
+  MariaDB_PLUGIN_MATURITY_BETA
+}
+maria_declare_plugin_end;
+
+/************************** UDF ****************************************/
+MYSQL_PLUGIN_EXPORT
+char *ed25519_password(UDF_INIT *initid __attribute__((unused)),
+                       UDF_ARGS *args, char *result, unsigned long *length,
+                       char *is_null, char *error __attribute__((unused)))
+{
+  unsigned char pk[CRYPTO_PUBLICKEYBYTES];
+
+  if ((*is_null= !args->args[0]))
+    return NULL;
+
+  *length= PASSWORD_LEN;
+  crypto_sign_keypair(pk, (unsigned char*)args->args[0], args->lengths[0]);
+  my_base64_encode(pk, CRYPTO_PUBLICKEYBYTES, result);
+  return result;
+}
+
+/*
+  At least one of _init/_deinit is needed unless the server is started
+  with --allow_suspicious_udfs.
+*/
+MYSQL_PLUGIN_EXPORT
+my_bool ed25519_password_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
+{
+  if (args->arg_count != 1 || args->arg_type[0] != STRING_RESULT)
+  {
+    strcpy(message,"Wrong arguments to ed25519_password()");
+    return 1;
+  }
+  if (!loaded)
+  {
+    /* cannot work unless the plugin is loaded, we need services. */
+    strcpy(message,"Authentication plugin ed25519 is not loaded");
+    return 1;
+  }
+  initid->max_length= PASSWORD_LEN_BUF;
+  return 0;
+}
diff --git a/plugin/auth_examples/clear_password_client.c b/plugin/auth_examples/clear_password_client.c
index 31be263b869..4e7dac61b25 100644
--- a/plugin/auth_examples/clear_password_client.c
+++ b/plugin/auth_examples/clear_password_client.c
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include <mysql/client_plugin.h>
 #include <mysql.h>
diff --git a/plugin/auth_gssapi/README.md b/plugin/auth_gssapi/README.md
index b2c17353fc5..ea8deaafa94 100644
--- a/plugin/auth_gssapi/README.md
+++ b/plugin/auth_gssapi/README.md
@@ -108,7 +108,7 @@ mysql --plugin-dir=/path/to/plugin-dir -u usr1
 -	**gssapi-mech-name** (Windows only) - Name of the SSPI package used by server. Can be either 'Kerberos' or 'Negotiate'.
  Defaults to 'Negotiate' (both Kerberos and NTLM users can connect)
  Set it to 'Kerberos', to prevent less secure NTLM in domain environments,  but leave it as default(Negotiate)
- to allow non-domain environment (e.g if server does not run in domain enviroment).
+ to allow non-domain environment (e.g if server does not run in domain environment).
 
 
 #Implementation
diff --git a/plugin/auth_pam/auth_pam.c b/plugin/auth_pam/auth_pam.c
index 8810a418cd3..1f25163b371 100644
--- a/plugin/auth_pam/auth_pam.c
+++ b/plugin/auth_pam/auth_pam.c
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #define _GNU_SOURCE 1 /* for strndup */
 
diff --git a/plugin/auth_pam/mapper/pam_user_map.c b/plugin/auth_pam/mapper/pam_user_map.c
index 229a844d5c9..e62be946c4a 100644
--- a/plugin/auth_pam/mapper/pam_user_map.c
+++ b/plugin/auth_pam/mapper/pam_user_map.c
@@ -6,7 +6,7 @@
      gcc pam_user_map.c -shared -lpam -fPIC -o pam_user_map.so
 
   Install as appropriate (for example, in /lib/security/).
-  Add to your /etc/pam.d/mysql (preferrably, at the end) this line:
+  Add to your /etc/pam.d/mysql (preferably, at the end) this line:
 =========================================================
 auth            required        pam_user_map.so
 =========================================================
diff --git a/plugin/aws_key_management/CMakeLists.txt b/plugin/aws_key_management/CMakeLists.txt
index 26c74047b8b..9e012b64696 100644
--- a/plugin/aws_key_management/CMakeLists.txt
+++ b/plugin/aws_key_management/CMakeLists.txt
@@ -49,7 +49,7 @@ ENDIF()
 
 
 FIND_LIBRARY(AWS_CPP_SDK_CORE NAMES aws-cpp-sdk-core PATH_SUFFIXES  "${SDK_INSTALL_BINARY_PREFIX}")
-FIND_LIBRARY(AWS_CPP_SDK_KMS NAMES aws-cpp-sdk-core PATH_SUFFIXES  "${SDK_INSTALL_BINARY_PREFIX}")
+FIND_LIBRARY(AWS_CPP_SDK_KMS NAMES aws-cpp-sdk-kms PATH_SUFFIXES  "${SDK_INSTALL_BINARY_PREFIX}")
 SET(CMAKE_REQUIRED_FLAGS ${CXX11_FLAGS})
 CHECK_INCLUDE_FILE_CXX(aws/kms/KMSClient.h HAVE_AWS_HEADERS)
 
diff --git a/plugin/aws_key_management/aws_key_management_plugin.cc b/plugin/aws_key_management/aws_key_management_plugin.cc
index e94c551bebe..83966b97c17 100644
--- a/plugin/aws_key_management/aws_key_management_plugin.cc
+++ b/plugin/aws_key_management/aws_key_management_plugin.cc
@@ -25,7 +25,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <mysqld_error.h>
-#include <base64.h>
 #include <map>
 #include <algorithm>
 #include <string>
diff --git a/plugin/feedback/feedback.cc b/plugin/feedback/feedback.cc
index c7861d99004..bd433efa4d3 100644
--- a/plugin/feedback/feedback.cc
+++ b/plugin/feedback/feedback.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include "feedback.h"
 
diff --git a/plugin/feedback/feedback.h b/plugin/feedback/feedback.h
index bb3f896288d..5e7e7b1516e 100644
--- a/plugin/feedback/feedback.h
+++ b/plugin/feedback/feedback.h
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #define MYSQL_SERVER 1
 #include <sql_class.h>
diff --git a/plugin/feedback/sender_thread.cc b/plugin/feedback/sender_thread.cc
index 16cdfe5574a..66f47e7302a 100644
--- a/plugin/feedback/sender_thread.cc
+++ b/plugin/feedback/sender_thread.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include "feedback.h"
 #include <sql_acl.h>
diff --git a/plugin/feedback/url_base.cc b/plugin/feedback/url_base.cc
index 6afbcd7c8f4..44cb0b00c95 100644
--- a/plugin/feedback/url_base.cc
+++ b/plugin/feedback/url_base.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include "feedback.h"
 
diff --git a/plugin/feedback/url_http.cc b/plugin/feedback/url_http.cc
index cec3f60505c..4851097e63f 100644
--- a/plugin/feedback/url_http.cc
+++ b/plugin/feedback/url_http.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include "feedback.h"
 
diff --git a/plugin/feedback/utils.cc b/plugin/feedback/utils.cc
index 7530003182f..0805a6e1d76 100644
--- a/plugin/feedback/utils.cc
+++ b/plugin/feedback/utils.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include "feedback.h"
 
@@ -19,9 +19,6 @@
 #include <unistd.h>
 #endif
 
-#include <base64.h>
-#include <sha1.h>
-
 #if defined (_WIN32)
 #define HAVE_SYS_UTSNAME_H
 
@@ -420,7 +417,7 @@ int fill_collation_statistics(THD *thd, TABLE_LIST *tables)
 int calculate_server_uid(char *dest)
 {
   uchar rawbuf[2 + 6];
-  uchar shabuf[SHA1_HASH_SIZE];
+  uchar shabuf[MY_SHA1_HASH_SIZE];
 
   int2store(rawbuf, mysqld_port);
   if (my_gethwaddr(rawbuf + 2))
@@ -429,7 +426,7 @@ int calculate_server_uid(char *dest)
     return 1;
   }
 
-  compute_sha1_hash((uint8*) shabuf, (char*) rawbuf, sizeof(rawbuf));
+  my_sha1((uint8*) shabuf, (char*) rawbuf, sizeof(rawbuf));
 
   assert(my_base64_needed_encoded_length(sizeof(shabuf)) <= SERVER_UID_SIZE);
   my_base64_encode(shabuf, sizeof(shabuf), dest);
diff --git a/plugin/metadata_lock_info/metadata_lock_info.cc b/plugin/metadata_lock_info/metadata_lock_info.cc
index d5308acb013..f2cdb99b82b 100644
--- a/plugin/metadata_lock_info/metadata_lock_info.cc
+++ b/plugin/metadata_lock_info/metadata_lock_info.cc
@@ -11,7 +11,7 @@
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #define MYSQL_SERVER 1
 #include "my_config.h"
diff --git a/plugin/query_response_time/plugin.cc b/plugin/query_response_time/plugin.cc
index 17d0cfe4138..0ed8b88dc60 100644
--- a/plugin/query_response_time/plugin.cc
+++ b/plugin/query_response_time/plugin.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #define MYSQL_SERVER
 #include <sql_class.h>
diff --git a/plugin/server_audit/CMakeLists.txt b/plugin/server_audit/CMakeLists.txt
index 3de8c43c871..2c9964543bf 100644
--- a/plugin/server_audit/CMakeLists.txt
+++ b/plugin/server_audit/CMakeLists.txt
@@ -11,7 +11,7 @@
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
 
 SET(SERVER_AUDIT_SOURCES
    server_audit.c test_audit_v4.c plugin_audit_v4.h)
diff --git a/plugin/server_audit/plugin_audit_v4.h b/plugin/server_audit/plugin_audit_v4.h
index 5f8e43b3811..f8662c23e6b 100644
--- a/plugin/server_audit/plugin_audit_v4.h
+++ b/plugin/server_audit/plugin_audit_v4.h
@@ -232,7 +232,7 @@ struct mysql_event_parse
   /** input: the original query text */
   MYSQL_LEX_CSTRING                     query;
 
-  /** output: returns the null-terminated rewriten query allocated by my_malloc() */
+  /** output: returns the null-terminated rewritten query allocated by my_malloc() */
   MYSQL_LEX_CSTRING                     *rewritten_query;
 };
 
diff --git a/plugin/server_audit/server_audit.c b/plugin/server_audit/server_audit.c
index 95b9586a1c5..c0ec9aa6b8d 100644
--- a/plugin/server_audit/server_audit.c
+++ b/plugin/server_audit/server_audit.c
@@ -11,11 +11,11 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 
 #define PLUGIN_VERSION 0x104
-#define PLUGIN_STR_VERSION "1.4.0"
+#define PLUGIN_STR_VERSION "1.4.1"
 
 #define _my_thread_var loc_thread_var
 
@@ -156,10 +156,8 @@ static File loc_open(const char *FileName, int Flags)
   File fd;
 #if defined(_WIN32)
   fd= my_win_open(FileName, Flags);
-#elif !defined(NO_OPEN_3)
-  fd = open(FileName, Flags, my_umask);     /* Normal unix */
 #else
-  fd = open((char *) FileName, Flags);
+  fd = open(FileName, Flags, my_umask);
 #endif
   my_errno= errno;
   return fd;
@@ -2295,10 +2293,10 @@ typedef struct loc_system_variables
 } LOC_SV;
 
 
+static int init_done= 0;
+
 static int server_audit_init(void *p __attribute__((unused)))
 {
-  const void *my_hash_init_ptr;
-
   if (!serv_ver)
   {
 #ifdef _WIN32
@@ -2307,11 +2305,16 @@ static int server_audit_init(void *p __attribute__((unused)))
     serv_ver= server_version;
 #endif /*_WIN32*/
   }
-  my_hash_init_ptr= dlsym(RTLD_DEFAULT, "_my_hash_init");
-  if (!my_hash_init_ptr)
+  if (!mysql_57_started)
   {
-    maria_above_5= 1;
-    my_hash_init_ptr= dlsym(RTLD_DEFAULT, "my_hash_init2");
+    const void *my_hash_init_ptr= dlsym(RTLD_DEFAULT, "_my_hash_init");
+    if (!my_hash_init_ptr)
+    {
+      maria_above_5= 1;
+      my_hash_init_ptr= dlsym(RTLD_DEFAULT, "my_hash_init2");
+    }
+    if (!my_hash_init_ptr)
+      return 1;
   }
 
   if(!(int_mysql_data_home= dlsym(RTLD_DEFAULT, "mysql_data_home")))
@@ -2320,7 +2323,7 @@ static int server_audit_init(void *p __attribute__((unused)))
       int_mysql_data_home= &default_home;
   }
 
-  if (!serv_ver || !my_hash_init_ptr)
+  if (!serv_ver)
     return 1;
 
   if (!started_mysql)
@@ -2400,6 +2403,7 @@ static int server_audit_init(void *p __attribute__((unused)))
   if (logging)
     start_logging();
 
+  init_done= 1;
   return 0;
 }
 
@@ -2415,6 +2419,10 @@ static int server_audit_init_mysql(void *p)
 
 static int server_audit_deinit(void *p __attribute__((unused)))
 {
+  if (!init_done)
+    return 0;
+
+  init_done= 0;
   coll_free(&incl_user_coll);
   coll_free(&excl_user_coll);
 
@@ -2837,13 +2845,15 @@ void __attribute__ ((constructor)) audit_plugin_so_init(void)
       if (sc >= 24)
         use_event_data_for_disconnect= 1;
     }
-    else if (serv_ver[0] == '5' && serv_ver[2] == '7')
+    else if ((serv_ver[0] == '5' && serv_ver[2] == '7') ||
+             (serv_ver[0] == '8' && serv_ver[2] == '0'))
     {
       mysql_57_started= 1;
       _mysql_plugin_declarations_[0].info= mysql_v4_descriptor;
       use_event_data_for_disconnect= 1;
     }
-    MYSQL_SYSVAR_NAME(loc_info).flags= PLUGIN_VAR_READONLY | PLUGIN_VAR_MEMALLOC;
+    MYSQL_SYSVAR_NAME(loc_info).flags= PLUGIN_VAR_STR | PLUGIN_VAR_THDLOCAL |
+      PLUGIN_VAR_READONLY | PLUGIN_VAR_MEMALLOC;
   }
 
   memset(locinfo_ini_value, 'O', sizeof(locinfo_ini_value)-1);
diff --git a/plugin/sql_errlog/sql_errlog.c b/plugin/sql_errlog/sql_errlog.c
index 6ec4659d407..c0e6b7255cf 100644
--- a/plugin/sql_errlog/sql_errlog.c
+++ b/plugin/sql_errlog/sql_errlog.c
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #include <mysql/plugin_audit.h>
 #include <stdio.h>
diff --git a/plugin/win_auth_client/handshake_client.cc b/plugin/win_auth_client/handshake_client.cc
index e3435f19de6..856dda76217 100644
--- a/plugin/win_auth_client/handshake_client.cc
+++ b/plugin/win_auth_client/handshake_client.cc
@@ -216,7 +216,7 @@ int Handshake_client::write_packet(Blob &data)
   an empty blob is returned and @c error() gives non-zero error code.
 
   When invoked for the first time (in the first round of the handshake)
-  there is no data from the server (data blob is null) and the intial
+  there is no data from the server (data blob is null) and the initial
   packet is generated without an input.
 
   @return Data to be sent to the server next or null blob if no more data
diff --git a/plugin/wsrep_info/mysql-test/wsrep_info/suite.pm b/plugin/wsrep_info/mysql-test/wsrep_info/suite.pm
index 7148a9cf057..9f684ae6b0c 100644
--- a/plugin/wsrep_info/mysql-test/wsrep_info/suite.pm
+++ b/plugin/wsrep_info/mysql-test/wsrep_info/suite.pm
@@ -33,6 +33,7 @@ push @::global_suppressions,
      qr(WSREP: last inactive check more than .* skipping check),
      qr(WSREP: Gap in state sequence. Need state transfer.),
      qr(WSREP: Failed to prepare for incremental state transfer: .*),
+     qr(WSREP: SYNC message from member .* in non-primary configuration. Ignored.),
    );
 
 
diff --git a/plugin/wsrep_info/plugin.cc b/plugin/wsrep_info/plugin.cc
index 023011f1d24..ed502d30f88 100644
--- a/plugin/wsrep_info/plugin.cc
+++ b/plugin/wsrep_info/plugin.cc
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 #ifndef MYSQL_SERVER
 #define MYSQL_SERVER