Add SRP support.

8 files changed, 2049 insertions, 0 deletions

diff --git a/crypto/srp/.cvsignore b/crypto/srp/.cvsignore
new file mode 100644
index 000000000..695fdd005
--- /dev/null
+++ b/crypto/srp/.cvsignore
@@ -0,0 +1,2 @@
+Makefile.save
+lib
diff --git a/crypto/srp/Makefile b/crypto/srp/Makefile
new file mode 100644
index 000000000..d37d46c26
--- /dev/null
+++ b/crypto/srp/Makefile
@@ -0,0 +1,96 @@
+DIR=	srp
+TOP=	../..
+CC=	cc
+INCLUDES= -I.. -I$(TOP) -I../../include
+CFLAG=-g
+INSTALL_PREFIX=
+OPENSSLDIR=     /usr/local/ssl
+INSTALLTOP=/usr/local/ssl
+MAKEDEPPROG=	makedepend
+MAKEDEPEND=	$(TOP)/util/domd $(TOP) -MD $(MAKEDEPPROG)
+MAKEFILE=	Makefile.ssl
+AR=		ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+GENERAL=Makefile
+TEST=srptest.c
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC=srp_lib.c srp_vfy.c
+LIBOBJ=srp_lib.o srp_vfy.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= srp.h
+HEADER=	$(EXHEADER)
+
+top:
+	(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all:	lib
+
+lib:	$(LIBOBJ)
+	$(AR) $(LIB) $(LIBOBJ)
+	$(RANLIB) $(LIB) || echo Never mind.
+	@touch lib
+
+links:
+	@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+	@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+	@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+	@for i in $(EXHEADER) ; \
+	do  \
+	(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+	chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+	done;
+
+tags:
+	ctags $(SRC)
+
+tests:
+
+srptest: top srptest.c $(LIB)
+	$(CC) $(CFLAGS) -Wall -Werror -g -o srptest srptest.c $(LIB)
+
+lint:
+	lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+	$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+	$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+	mv -f Makefile.new $(MAKEFILE)
+
+clean:
+	rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+srp_lib.o: ../../e_os.h ../../include/openssl/asn1.h
+srp_lib.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
+srp_lib.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
+srp_lib.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
+srp_lib.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
+srp_lib.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+srp_lib.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+srp_lib.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
+srp_lib.o: ../../include/openssl/sha.h ../../include/openssl/srp.h
+srp_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
+srp_lib.o: ../cryptlib.h srp_grps.h srp_lcl.h srp_lib.c
+srp_vfy.o: ../../e_os.h ../../include/openssl/asn1.h
+srp_vfy.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
+srp_vfy.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
+srp_vfy.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
+srp_vfy.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
+srp_vfy.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+srp_vfy.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+srp_vfy.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h
+srp_vfy.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
+srp_vfy.o: ../../include/openssl/srp.h ../../include/openssl/stack.h
+srp_vfy.o: ../../include/openssl/symhacks.h ../../include/openssl/txt_db.h
+srp_vfy.o: ../cryptlib.h srp_lcl.h srp_vfy.c
diff --git a/crypto/srp/srp.h b/crypto/srp/srp.h
new file mode 100644
index 000000000..7ec7825ca
--- /dev/null
+++ b/crypto/srp/srp.h
@@ -0,0 +1,172 @@
+/* crypto/srp/srp.h */
+/* Written by Christophe Renou (christophe.renou@edelweb.fr) with 
+ * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr) 
+ * for the EdelKey project and contributed to the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#ifndef __SRP_H__
+#define __SRP_H__
+
+#ifndef OPENSSL_NO_SRP
+
+#include <stdio.h>
+#include <string.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <openssl/safestack.h>
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+
+typedef struct SRP_gN_cache_st
+	{
+	char *b64_bn;
+	BIGNUM *bn;
+	} SRP_gN_cache;
+
+
+DECLARE_STACK_OF(SRP_gN_cache)
+
+typedef struct SRP_user_pwd_st
+	{
+	char *id;
+	BIGNUM *s;
+	BIGNUM *v;
+	const BIGNUM *g;
+	const BIGNUM *N;
+	char *info;
+	} SRP_user_pwd;
+
+DECLARE_STACK_OF(SRP_user_pwd)
+
+typedef struct SRP_VBASE_st
+	{
+	STACK_OF(SRP_user_pwd) *users_pwd;
+	STACK_OF(SRP_gN_cache) *gN_cache;
+/* to simulate a user */
+	char *seed_key;
+	BIGNUM *default_g;
+	BIGNUM *default_N;
+	} SRP_VBASE;
+
+
+/*Structure interne pour retenir les couples N et g*/
+typedef struct SRP_gN_st
+	{
+	char *id;
+	BIGNUM *g;
+	BIGNUM *N;
+	} SRP_gN;
+
+DECLARE_STACK_OF(SRP_gN)
+
+SRP_VBASE *SRP_VBASE_new(char *seed_key);
+int SRP_VBASE_free(SRP_VBASE *vb);
+int SRP_VBASE_init(SRP_VBASE *vb, char * verifier_file);
+SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username);
+char *SRP_create_verifier(const char *user, const char *pass, char **salt,
+			  char **verifier, const char *N, const char *g);
+int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt, BIGNUM **verifier, BIGNUM *N, BIGNUM *g);
+
+
+#define SRP_NO_ERROR 0
+#define SRP_ERR_VBASE_INCOMPLETE_FILE 1
+#define SRP_ERR_VBASE_BN_LIB 2
+#define SRP_ERR_OPEN_FILE 3
+#define SRP_ERR_MEMORY 4
+
+#define DB_srptype	0
+#define DB_srpverifier	1
+#define DB_srpsalt 	2
+#define DB_srpid	3              
+#define DB_srpgN	4       
+#define DB_srpinfo	5 
+#undef  DB_NUMBER      
+#define DB_NUMBER       6
+
+#define DB_SRP_INDEX	'I'
+#define DB_SRP_VALID	'V'
+#define DB_SRP_REVOKED	'R'
+#define DB_SRP_MODIF	'v'
+
+
+/* see srp.c */
+char * SRP_check_known_gN_param(BIGNUM* g, BIGNUM* N); 
+SRP_gN *SRP_get_default_gN(const char * id) ;
+
+/* server side .... */
+BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b, BIGNUM *N);
+BIGNUM *SRP_Calc_B(BIGNUM *b, BIGNUM *N, BIGNUM *g, BIGNUM *v);
+int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N);
+BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N) ;
+
+
+
+/* client side .... */
+BIGNUM *SRP_Calc_x(BIGNUM *s, const char *user, const char *pass);
+BIGNUM *SRP_Calc_A(BIGNUM *a, BIGNUM *N, BIGNUM *g);
+BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x, BIGNUM *a, BIGNUM *u);
+int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N);
+
+#define SRP_MINIMAL_N 1024
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
+#endif
diff --git a/crypto/srp/srp_grps.h b/crypto/srp/srp_grps.h
new file mode 100644
index 000000000..d77c9fff4
--- /dev/null
+++ b/crypto/srp/srp_grps.h
@@ -0,0 +1,517 @@
+/* start of generated data */
+
+static BN_ULONG bn_group_1024_value[] = {
+	bn_pack4(9FC6,1D2F,C0EB,06E3),
+	bn_pack4(FD51,38FE,8376,435B),
+	bn_pack4(2FD4,CBF4,976E,AA9A),
+	bn_pack4(68ED,BC3C,0572,6CC0),
+	bn_pack4(C529,F566,660E,57EC),
+	bn_pack4(8255,9B29,7BCF,1885),
+	bn_pack4(CE8E,F4AD,69B1,5D49),
+	bn_pack4(5DC7,D7B4,6154,D6B6),
+	bn_pack4(8E49,5C1D,6089,DAD1),
+	bn_pack4(E0D5,D8E2,50B9,8BE4),
+	bn_pack4(383B,4813,D692,C6E0),
+	bn_pack4(D674,DF74,96EA,81D3),
+	bn_pack4(9EA2,314C,9C25,6576),
+	bn_pack4(6072,6187,75FF,3C0B),
+	bn_pack4(9C33,F80A,FA8F,C5E8),
+	bn_pack4(EEAF,0AB9,ADB3,8DD6)
+};
+static BIGNUM bn_group_1024 = {
+	bn_group_1024_value,
+	(sizeof bn_group_1024_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_1024_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_1536_value[] = {
+	bn_pack4(CF76,E3FE,D135,F9BB),
+	bn_pack4(1518,0F93,499A,234D),
+	bn_pack4(8CE7,A28C,2442,C6F3),
+	bn_pack4(5A02,1FFF,5E91,479E),
+	bn_pack4(7F8A,2FE9,B8B5,292E),
+	bn_pack4(837C,264A,E3A9,BEB8),
+	bn_pack4(E442,734A,F7CC,B7AE),
+	bn_pack4(6577,2E43,7D6C,7F8C),
+	bn_pack4(DB2F,D53D,24B7,C486),
+	bn_pack4(6EDF,0195,3934,9627),
+	bn_pack4(158B,FD3E,2B9C,8CF5),
+	bn_pack4(764E,3F4B,53DD,9DA1),
+	bn_pack4(4754,8381,DBC5,B1FC),
+	bn_pack4(9B60,9E0B,E3BA,B63D),
+	bn_pack4(8134,B1C8,B979,8914),
+	bn_pack4(DF02,8A7C,EC67,F0D0),
+	bn_pack4(80B6,55BB,9A22,E8DC),
+	bn_pack4(1558,903B,A0D0,F843),
+	bn_pack4(51C6,A94B,E460,7A29),
+	bn_pack4(5F4F,5F55,6E27,CBDE),
+	bn_pack4(BEEE,A961,4B19,CC4D),
+	bn_pack4(DBA5,1DF4,99AC,4C80),
+	bn_pack4(B1F1,2A86,17A4,7BBB),
+	bn_pack4(9DEF,3CAF,B939,277A)
+};
+static BIGNUM bn_group_1536 = {
+	bn_group_1536_value,
+	(sizeof bn_group_1536_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_1536_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_2048_value[] = {
+	bn_pack4(0FA7,111F,9E4A,FF73),
+	bn_pack4(9B65,E372,FCD6,8EF2),
+	bn_pack4(35DE,236D,525F,5475),
+	bn_pack4(94B5,C803,D89F,7AE4),
+	bn_pack4(71AE,35F8,E9DB,FBB6),
+	bn_pack4(2A56,98F3,A8D0,C382),
+	bn_pack4(9CCC,041C,7BC3,08D8),
+	bn_pack4(AF87,4E73,03CE,5329),
+	bn_pack4(6160,2790,04E5,7AE6),
+	bn_pack4(032C,FBDB,F52F,B378),
+	bn_pack4(5EA7,7A27,75D2,ECFA),
+	bn_pack4(5445,23B5,24B0,D57D),
+	bn_pack4(5B9D,32E6,88F8,7748),
+	bn_pack4(F1D2,B907,8717,461A),
+	bn_pack4(76BD,207A,436C,6481),
+	bn_pack4(CA97,B43A,23FB,8016),
+	bn_pack4(1D28,1E44,6B14,773B),
+	bn_pack4(7359,D041,D5C3,3EA7),
+	bn_pack4(A80D,740A,DBF4,FF74),
+	bn_pack4(55F9,7993,EC97,5EEA),
+	bn_pack4(2918,A996,2F0B,93B8),
+	bn_pack4(661A,05FB,D5FA,AAE8),
+	bn_pack4(CF60,9517,9A16,3AB3),
+	bn_pack4(E808,3969,EDB7,67B0),
+	bn_pack4(CD7F,48A9,DA04,FD50),
+	bn_pack4(D523,12AB,4B03,310D),
+	bn_pack4(8193,E075,7767,A13D),
+	bn_pack4(A373,29CB,B4A0,99ED),
+	bn_pack4(FC31,9294,3DB5,6050),
+	bn_pack4(AF72,B665,1987,EE07),
+	bn_pack4(F166,DE5E,1389,582F),
+	bn_pack4(AC6B,DB41,324A,9A9B)
+};
+static BIGNUM bn_group_2048 = {
+	bn_group_2048_value,
+	(sizeof bn_group_2048_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_2048_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_3072_value[] = {
+	bn_pack4(FFFF,FFFF,FFFF,FFFF),
+	bn_pack4(4B82,D120,A93A,D2CA),
+	bn_pack4(43DB,5BFC,E0FD,108E),
+	bn_pack4(08E2,4FA0,74E5,AB31),
+	bn_pack4(7709,88C0,BAD9,46E2),
+	bn_pack4(BBE1,1757,7A61,5D6C),
+	bn_pack4(521F,2B18,177B,200C),
+	bn_pack4(D876,0273,3EC8,6A64),
+	bn_pack4(F12F,FA06,D98A,0864),
+	bn_pack4(CEE3,D226,1AD2,EE6B),
+	bn_pack4(1E8C,94E0,4A25,619D),
+	bn_pack4(ABF5,AE8C,DB09,33D7),
+	bn_pack4(B397,0F85,A6E1,E4C7),
+	bn_pack4(8AEA,7157,5D06,0C7D),
+	bn_pack4(ECFB,8504,58DB,EF0A),
+	bn_pack4(A855,21AB,DF1C,BA64),
+	bn_pack4(AD33,170D,0450,7A33),
+	bn_pack4(1572,8E5A,8AAA,C42D),
+	bn_pack4(15D2,2618,98FA,0510),
+	bn_pack4(3995,497C,EA95,6AE5),
+	bn_pack4(DE2B,CBF6,9558,1718),
+	bn_pack4(B5C5,5DF0,6F4C,52C9),
+	bn_pack4(9B27,83A2,EC07,A28F),
+	bn_pack4(E39E,772C,180E,8603),
+	bn_pack4(3290,5E46,2E36,CE3B),
+	bn_pack4(F174,6C08,CA18,217C),
+	bn_pack4(670C,354E,4ABC,9804),
+	bn_pack4(9ED5,2907,7096,966D),
+	bn_pack4(1C62,F356,2085,52BB),
+	bn_pack4(8365,5D23,DCA3,AD96),
+	bn_pack4(6916,3FA8,FD24,CF5F),
+	bn_pack4(98DA,4836,1C55,D39A),
+	bn_pack4(C200,7CB8,A163,BF05),
+	bn_pack4(4928,6651,ECE4,5B3D),
+	bn_pack4(AE9F,2411,7C4B,1FE6),
+	bn_pack4(EE38,6BFB,5A89,9FA5),
+	bn_pack4(0BFF,5CB6,F406,B7ED),
+	bn_pack4(F44C,42E9,A637,ED6B),
+	bn_pack4(E485,B576,625E,7EC6),
+	bn_pack4(4FE1,356D,6D51,C245),
+	bn_pack4(302B,0A6D,F25F,1437),
+	bn_pack4(EF95,19B3,CD3A,431B),
+	bn_pack4(514A,0879,8E34,04DD),
+	bn_pack4(020B,BEA6,3B13,9B22),
+	bn_pack4(2902,4E08,8A67,CC74),
+	bn_pack4(C4C6,628B,80DC,1CD1),
+	bn_pack4(C90F,DAA2,2168,C234),
+	bn_pack4(FFFF,FFFF,FFFF,FFFF)
+};
+static BIGNUM bn_group_3072 = {
+	bn_group_3072_value,
+	(sizeof bn_group_3072_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_3072_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_4096_value[] = {
+	bn_pack4(FFFF,FFFF,FFFF,FFFF),
+	bn_pack4(4DF4,35C9,3406,3199),
+	bn_pack4(86FF,B7DC,90A6,C08F),
+	bn_pack4(93B4,EA98,8D8F,DDC1),
+	bn_pack4(D006,9127,D5B0,5AA9),
+	bn_pack4(B81B,DD76,2170,481C),
+	bn_pack4(1F61,2970,CEE2,D7AF),
+	bn_pack4(233B,A186,515B,E7ED),
+	bn_pack4(99B2,964F,A090,C3A2),
+	bn_pack4(287C,5947,4E6B,C05D),
+	bn_pack4(2E8E,FC14,1FBE,CAA6),
+	bn_pack4(DBBB,C2DB,04DE,8EF9),
+	bn_pack4(2583,E9CA,2AD4,4CE8),
+	bn_pack4(1A94,6834,B615,0BDA),
+	bn_pack4(99C3,2718,6AF4,E23C),
+	bn_pack4(8871,9A10,BDBA,5B26),
+	bn_pack4(1A72,3C12,A787,E6D7),
+	bn_pack4(4B82,D120,A921,0801),
+	bn_pack4(43DB,5BFC,E0FD,108E),
+	bn_pack4(08E2,4FA0,74E5,AB31),
+	bn_pack4(7709,88C0,BAD9,46E2),
+	bn_pack4(BBE1,1757,7A61,5D6C),
+	bn_pack4(521F,2B18,177B,200C),
+	bn_pack4(D876,0273,3EC8,6A64),
+	bn_pack4(F12F,FA06,D98A,0864),
+	bn_pack4(CEE3,D226,1AD2,EE6B),
+	bn_pack4(1E8C,94E0,4A25,619D),
+	bn_pack4(ABF5,AE8C,DB09,33D7),
+	bn_pack4(B397,0F85,A6E1,E4C7),
+	bn_pack4(8AEA,7157,5D06,0C7D),
+	bn_pack4(ECFB,8504,58DB,EF0A),
+	bn_pack4(A855,21AB,DF1C,BA64),
+	bn_pack4(AD33,170D,0450,7A33),
+	bn_pack4(1572,8E5A,8AAA,C42D),
+	bn_pack4(15D2,2618,98FA,0510),
+	bn_pack4(3995,497C,EA95,6AE5),
+	bn_pack4(DE2B,CBF6,9558,1718),
+	bn_pack4(B5C5,5DF0,6F4C,52C9),
+	bn_pack4(9B27,83A2,EC07,A28F),
+	bn_pack4(E39E,772C,180E,8603),
+	bn_pack4(3290,5E46,2E36,CE3B),
+	bn_pack4(F174,6C08,CA18,217C),
+	bn_pack4(670C,354E,4ABC,9804),
+	bn_pack4(9ED5,2907,7096,966D),
+	bn_pack4(1C62,F356,2085,52BB),
+	bn_pack4(8365,5D23,DCA3,AD96),
+	bn_pack4(6916,3FA8,FD24,CF5F),
+	bn_pack4(98DA,4836,1C55,D39A),
+	bn_pack4(C200,7CB8,A163,BF05),
+	bn_pack4(4928,6651,ECE4,5B3D),
+	bn_pack4(AE9F,2411,7C4B,1FE6),
+	bn_pack4(EE38,6BFB,5A89,9FA5),
+	bn_pack4(0BFF,5CB6,F406,B7ED),
+	bn_pack4(F44C,42E9,A637,ED6B),
+	bn_pack4(E485,B576,625E,7EC6),
+	bn_pack4(4FE1,356D,6D51,C245),
+	bn_pack4(302B,0A6D,F25F,1437),
+	bn_pack4(EF95,19B3,CD3A,431B),
+	bn_pack4(514A,0879,8E34,04DD),
+	bn_pack4(020B,BEA6,3B13,9B22),
+	bn_pack4(2902,4E08,8A67,CC74),
+	bn_pack4(C4C6,628B,80DC,1CD1),
+	bn_pack4(C90F,DAA2,2168,C234),
+	bn_pack4(FFFF,FFFF,FFFF,FFFF)
+};
+static BIGNUM bn_group_4096 = {
+	bn_group_4096_value,
+	(sizeof bn_group_4096_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_4096_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_6144_value[] = {
+	bn_pack4(FFFF,FFFF,FFFF,FFFF),
+	bn_pack4(E694,F91E,6DCC,4024),
+	bn_pack4(12BF,2D5B,0B74,74D6),
+	bn_pack4(043E,8F66,3F48,60EE),
+	bn_pack4(387F,E8D7,6E3C,0468),
+	bn_pack4(DA56,C9EC,2EF2,9632),
+	bn_pack4(EB19,CCB1,A313,D55C),
+	bn_pack4(F550,AA3D,8A1F,BFF0),
+	bn_pack4(06A1,D58B,B7C5,DA76),
+	bn_pack4(A797,15EE,F29B,E328),
+	bn_pack4(14CC,5ED2,0F80,37E0),
+	bn_pack4(CC8F,6D7E,BF48,E1D8),
+	bn_pack4(4BD4,07B2,2B41,54AA),
+	bn_pack4(0F1D,45B7,FF58,5AC5),
+	bn_pack4(23A9,7A7E,36CC,88BE),
+	bn_pack4(59E7,C97F,BEC7,E8F3),
+	bn_pack4(B5A8,4031,900B,1C9E),
+	bn_pack4(D55E,702F,4698,0C82),
+	bn_pack4(F482,D7CE,6E74,FEF6),
+	bn_pack4(F032,EA15,D172,1D03),
+	bn_pack4(5983,CA01,C64B,92EC),
+	bn_pack4(6FB8,F401,378C,D2BF),
+	bn_pack4(3320,5151,2BD7,AF42),
+	bn_pack4(DB7F,1447,E6CC,254B),
+	bn_pack4(44CE,6CBA,CED4,BB1B),
+	bn_pack4(DA3E,DBEB,CF9B,14ED),
+	bn_pack4(1797,27B0,865A,8918),
+	bn_pack4(B06A,53ED,9027,D831),
+	bn_pack4(E5DB,382F,4130,01AE),
+	bn_pack4(F8FF,9406,AD9E,530E),
+	bn_pack4(C975,1E76,3DBA,37BD),
+	bn_pack4(C1D4,DCB2,6026,46DE),
+	bn_pack4(36C3,FAB4,D27C,7026),
+	bn_pack4(4DF4,35C9,3402,8492),
+	bn_pack4(86FF,B7DC,90A6,C08F),
+	bn_pack4(93B4,EA98,8D8F,DDC1),
+	bn_pack4(D006,9127,D5B0,5AA9),
+	bn_pack4(B81B,DD76,2170,481C),
+	bn_pack4(1F61,2970,CEE2,D7AF),
+	bn_pack4(233B,A186,515B,E7ED),
+	bn_pack4(99B2,964F,A090,C3A2),
+	bn_pack4(287C,5947,4E6B,C05D),
+	bn_pack4(2E8E,FC14,1FBE,CAA6),
+	bn_pack4(DBBB,C2DB,04DE,8EF9),
+	bn_pack4(2583,E9CA,2AD4,4CE8),
+	bn_pack4(1A94,6834,B615,0BDA),
+	bn_pack4(99C3,2718,6AF4,E23C),
+	bn_pack4(8871,9A10,BDBA,5B26),
+	bn_pack4(1A72,3C12,A787,E6D7),
+	bn_pack4(4B82,D120,A921,0801),
+	bn_pack4(43DB,5BFC,E0FD,108E),
+	bn_pack4(08E2,4FA0,74E5,AB31),
+	bn_pack4(7709,88C0,BAD9,46E2),
+	bn_pack4(BBE1,1757,7A61,5D6C),
+	bn_pack4(521F,2B18,177B,200C),
+	bn_pack4(D876,0273,3EC8,6A64),
+	bn_pack4(F12F,FA06,D98A,0864),
+	bn_pack4(CEE3,D226,1AD2,EE6B),
+	bn_pack4(1E8C,94E0,4A25,619D),
+	bn_pack4(ABF5,AE8C,DB09,33D7),
+	bn_pack4(B397,0F85,A6E1,E4C7),
+	bn_pack4(8AEA,7157,5D06,0C7D),
+	bn_pack4(ECFB,8504,58DB,EF0A),
+	bn_pack4(A855,21AB,DF1C,BA64),
+	bn_pack4(AD33,170D,0450,7A33),
+	bn_pack4(1572,8E5A,8AAA,C42D),
+	bn_pack4(15D2,2618,98FA,0510),
+	bn_pack4(3995,497C,EA95,6AE5),
+	bn_pack4(DE2B,CBF6,9558,1718),
+	bn_pack4(B5C5,5DF0,6F4C,52C9),
+	bn_pack4(9B27,83A2,EC07,A28F),
+	bn_pack4(E39E,772C,180E,8603),
+	bn_pack4(3290,5E46,2E36,CE3B),
+	bn_pack4(F174,6C08,CA18,217C),
+	bn_pack4(670C,354E,4ABC,9804),
+	bn_pack4(9ED5,2907,7096,966D),
+	bn_pack4(1C62,F356,2085,52BB),
+	bn_pack4(8365,5D23,DCA3,AD96),
+	bn_pack4(6916,3FA8,FD24,CF5F),
+	bn_pack4(98DA,4836,1C55,D39A),
+	bn_pack4(C200,7CB8,A163,BF05),
+	bn_pack4(4928,6651,ECE4,5B3D),
+	bn_pack4(AE9F,2411,7C4B,1FE6),
+	bn_pack4(EE38,6BFB,5A89,9FA5),
+	bn_pack4(0BFF,5CB6,F406,B7ED),
+	bn_pack4(F44C,42E9,A637,ED6B),
+	bn_pack4(E485,B576,625E,7EC6),
+	bn_pack4(4FE1,356D,6D51,C245),
+	bn_pack4(302B,0A6D,F25F,1437),
+	bn_pack4(EF95,19B3,CD3A,431B),
+	bn_pack4(514A,0879,8E34,04DD),
+	bn_pack4(020B,BEA6,3B13,9B22),
+	bn_pack4(2902,4E08,8A67,CC74),
+	bn_pack4(C4C6,628B,80DC,1CD1),
+	bn_pack4(C90F,DAA2,2168,C234),
+	bn_pack4(FFFF,FFFF,FFFF,FFFF)
+};
+static BIGNUM bn_group_6144 = {
+	bn_group_6144_value,
+	(sizeof bn_group_6144_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_6144_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_group_8192_value[] = {
+	bn_pack4(FFFF,FFFF,FFFF,FFFF),
+	bn_pack4(60C9,80DD,98ED,D3DF),
+	bn_pack4(C81F,56E8,80B9,6E71),
+	bn_pack4(9E30,50E2,7656,94DF),
+	bn_pack4(9558,E447,5677,E9AA),
+	bn_pack4(C919,0DA6,FC02,6E47),
+	bn_pack4(889A,002E,D5EE,382B),
+	bn_pack4(4009,438B,481C,6CD7),
+	bn_pack4(3590,46F4,EB87,9F92),
+	bn_pack4(FAF3,6BC3,1ECF,A268),
+	bn_pack4(B1D5,10BD,7EE7,4D73),
+	bn_pack4(F9AB,4819,5DED,7EA1),
+	bn_pack4(64F3,1CC5,0846,851D),
+	bn_pack4(4597,E899,A025,5DC1),
+	bn_pack4(DF31,0EE0,74AB,6A36),
+	bn_pack4(6D2A,13F8,3F44,F82D),
+	bn_pack4(062B,3CF5,B3A2,78A6),
+	bn_pack4(7968,3303,ED5B,DD3A),
+	bn_pack4(FA9D,4B7F,A2C0,87E8),
+	bn_pack4(4BCB,C886,2F83,85DD),
+	bn_pack4(3473,FC64,6CEA,306B),
+	bn_pack4(13EB,57A8,1A23,F0C7),
+	bn_pack4(2222,2E04,A403,7C07),
+	bn_pack4(E3FD,B8BE,FC84,8AD9),
+	bn_pack4(238F,16CB,E39D,652D),
+	bn_pack4(3423,B474,2BF1,C978),
+	bn_pack4(3AAB,639C,5AE4,F568),
+	bn_pack4(2576,F693,6BA4,2466),
+	bn_pack4(741F,A7BF,8AFC,47ED),
+	bn_pack4(3BC8,32B6,8D9D,D300),
+	bn_pack4(D8BE,C4D0,73B9,31BA),
+	bn_pack4(3877,7CB6,A932,DF8C),
+	bn_pack4(74A3,926F,12FE,E5E4),
+	bn_pack4(E694,F91E,6DBE,1159),
+	bn_pack4(12BF,2D5B,0B74,74D6),
+	bn_pack4(043E,8F66,3F48,60EE),
+	bn_pack4(387F,E8D7,6E3C,0468),
+	bn_pack4(DA56,C9EC,2EF2,9632),
+	bn_pack4(EB19,CCB1,A313,D55C),
+	bn_pack4(F550,AA3D,8A1F,BFF0),
+	bn_pack4(06A1,D58B,B7C5,DA76),
+	bn_pack4(A797,15EE,F29B,E328),
+	bn_pack4(14CC,5ED2,0F80,37E0),
+	bn_pack4(CC8F,6D7E,BF48,E1D8),
+	bn_pack4(4BD4,07B2,2B41,54AA),
+	bn_pack4(0F1D,45B7,FF58,5AC5),
+	bn_pack4(23A9,7A7E,36CC,88BE),
+	bn_pack4(59E7,C97F,BEC7,E8F3),
+	bn_pack4(B5A8,4031,900B,1C9E),
+	bn_pack4(D55E,702F,4698,0C82),
+	bn_pack4(F482,D7CE,6E74,FEF6),
+	bn_pack4(F032,EA15,D172,1D03),
+	bn_pack4(5983,CA01,C64B,92EC),
+	bn_pack4(6FB8,F401,378C,D2BF),
+	bn_pack4(3320,5151,2BD7,AF42),
+	bn_pack4(DB7F,1447,E6CC,254B),
+	bn_pack4(44CE,6CBA,CED4,BB1B),
+	bn_pack4(DA3E,DBEB,CF9B,14ED),
+	bn_pack4(1797,27B0,865A,8918),
+	bn_pack4(B06A,53ED,9027,D831),
+	bn_pack4(E5DB,382F,4130,01AE),
+	bn_pack4(F8FF,9406,AD9E,530E),
+	bn_pack4(C975,1E76,3DBA,37BD),
+	bn_pack4(C1D4,DCB2,6026,46DE),
+	bn_pack4(36C3,FAB4,D27C,7026),
+	bn_pack4(4DF4,35C9,3402,8492),
+	bn_pack4(86FF,B7DC,90A6,C08F),
+	bn_pack4(93B4,EA98,8D8F,DDC1),
+	bn_pack4(D006,9127,D5B0,5AA9),
+	bn_pack4(B81B,DD76,2170,481C),
+	bn_pack4(1F61,2970,CEE2,D7AF),
+	bn_pack4(233B,A186,515B,E7ED),
+	bn_pack4(99B2,964F,A090,C3A2),
+	bn_pack4(287C,5947,4E6B,C05D),
+	bn_pack4(2E8E,FC14,1FBE,CAA6),
+	bn_pack4(DBBB,C2DB,04DE,8EF9),
+	bn_pack4(2583,E9CA,2AD4,4CE8),
+	bn_pack4(1A94,6834,B615,0BDA),
+	bn_pack4(99C3,2718,6AF4,E23C),
+	bn_pack4(8871,9A10,BDBA,5B26),
+	bn_pack4(1A72,3C12,A787,E6D7),
+	bn_pack4(4B82,D120,A921,0801),
+	bn_pack4(43DB,5BFC,E0FD,108E),
+	bn_pack4(08E2,4FA0,74E5,AB31),
+	bn_pack4(7709,88C0,BAD9,46E2),
+	bn_pack4(BBE1,1757,7A61,5D6C),
+	bn_pack4(521F,2B18,177B,200C),
+	bn_pack4(D876,0273,3EC8,6A64),
+	bn_pack4(F12F,FA06,D98A,0864),
+	bn_pack4(CEE3,D226,1AD2,EE6B),
+	bn_pack4(1E8C,94E0,4A25,619D),
+	bn_pack4(ABF5,AE8C,DB09,33D7),
+	bn_pack4(B397,0F85,A6E1,E4C7),
+	bn_pack4(8AEA,7157,5D06,0C7D),
+	bn_pack4(ECFB,8504,58DB,EF0A),
+	bn_pack4(A855,21AB,DF1C,BA64),
+	bn_pack4(AD33,170D,0450,7A33),
+	bn_pack4(1572,8E5A,8AAA,C42D),
+	bn_pack4(15D2,2618,98FA,0510),
+	bn_pack4(3995,497C,EA95,6AE5),
+	bn_pack4(DE2B,CBF6,9558,1718),
+	bn_pack4(B5C5,5DF0,6F4C,52C9),
+	bn_pack4(9B27,83A2,EC07,A28F),
+	bn_pack4(E39E,772C,180E,8603),
+	bn_pack4(3290,5E46,2E36,CE3B),
+	bn_pack4(F174,6C08,CA18,217C),
+	bn_pack4(670C,354E,4ABC,9804),
+	bn_pack4(9ED5,2907,7096,966D),
+	bn_pack4(1C62,F356,2085,52BB),
+	bn_pack4(8365,5D23,DCA3,AD96),
+	bn_pack4(6916,3FA8,FD24,CF5F),
+	bn_pack4(98DA,4836,1C55,D39A),
+	bn_pack4(C200,7CB8,A163,BF05),
+	bn_pack4(4928,6651,ECE4,5B3D),
+	bn_pack4(AE9F,2411,7C4B,1FE6),
+	bn_pack4(EE38,6BFB,5A89,9FA5),
+	bn_pack4(0BFF,5CB6,F406,B7ED),
+	bn_pack4(F44C,42E9,A637,ED6B),
+	bn_pack4(E485,B576,625E,7EC6),
+	bn_pack4(4FE1,356D,6D51,C245),
+	bn_pack4(302B,0A6D,F25F,1437),
+	bn_pack4(EF95,19B3,CD3A,431B),
+	bn_pack4(514A,0879,8E34,04DD),
+	bn_pack4(020B,BEA6,3B13,9B22),
+	bn_pack4(2902,4E08,8A67,CC74),
+	bn_pack4(C4C6,628B,80DC,1CD1),
+	bn_pack4(C90F,DAA2,2168,C234),
+	bn_pack4(FFFF,FFFF,FFFF,FFFF)
+};
+static BIGNUM bn_group_8192 = {
+	bn_group_8192_value,
+	(sizeof bn_group_8192_value)/sizeof(BN_ULONG),
+	(sizeof bn_group_8192_value)/sizeof(BN_ULONG),
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static BN_ULONG bn_generator_19_value[] = {19} ;
+static BIGNUM bn_generator_19 = {
+	bn_generator_19_value,
+	1,
+	1,
+	0,
+	BN_FLG_STATIC_DATA
+};
+static BN_ULONG bn_generator_5_value[] = {5} ;
+static BIGNUM bn_generator_5 = {
+	bn_generator_5_value,
+	1,
+	1,
+	0,
+	BN_FLG_STATIC_DATA
+};
+static BN_ULONG bn_generator_2_value[] = {2} ;
+static BIGNUM bn_generator_2 = {
+	bn_generator_2_value,
+	1,
+	1,
+	0,
+	BN_FLG_STATIC_DATA
+};
+
+static SRP_gN knowngN[] = {
+	{"8192",&bn_generator_19 , &bn_group_8192},
+	{"6144",&bn_generator_5 , &bn_group_6144},
+	{"4096",&bn_generator_5 , &bn_group_4096},
+	{"3072",&bn_generator_5 , &bn_group_3072},
+	{"2048",&bn_generator_2 , &bn_group_2048},
+	{"1536",&bn_generator_2 , &bn_group_1536},
+	{"1024",&bn_generator_2 , &bn_group_1024},
+};
+#define KNOWN_GN_NUMBER sizeof(knowngN) / sizeof(SRP_gN)
+
+/* end of generated data */
diff --git a/crypto/srp/srp_lcl.h b/crypto/srp/srp_lcl.h
new file mode 100644
index 000000000..42bda3f14
--- /dev/null
+++ b/crypto/srp/srp_lcl.h
@@ -0,0 +1,83 @@
+/* crypto/srp/srp_lcl.h */
+/* Written by Peter Sylvester (peter.sylvester@edelweb.fr)  
+ * for the EdelKey project and contributed to the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#ifndef HEADER_SRP_LCL_H
+#define HEADER_SRP_LCL_H
+
+#include <openssl/srp.h>
+#include <openssl/sha.h>
+
+#if 0
+#define srp_bn_print(a) {fprintf(stderr, #a "="); BN_print_fp(stderr,a); \
+   fprintf(stderr,"\n");}
+#else
+#define   srp_bn_print(a)
+#endif
+
+
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
diff --git a/crypto/srp/srp_lib.c b/crypto/srp/srp_lib.c
new file mode 100644
index 000000000..dbf464bbf
--- /dev/null
+++ b/crypto/srp/srp_lib.c
@@ -0,0 +1,357 @@
+/* crypto/srp/srp_lib.c */
+/* Written by Christophe Renou (christophe.renou@edelweb.fr) with 
+ * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr) 
+ * for the EdelKey project and contributed to the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#ifndef OPENSSL_NO_SRP
+#include "cryptlib.h"
+#include "srp_lcl.h"
+#include <openssl/srp.h>
+#include <openssl/evp.h>
+
+#if (BN_BYTES == 8)
+#define bn_pack4(a1,a2,a3,a4) 0x##a1##a2##a3##a4##ul
+#endif
+#if (BN_BYTES == 4)
+#define bn_pack4(a1,a2,a3,a4)  0x##a3##a4##ul, 0x##a1##a2##ul
+#endif
+#if (BN_BYTES == 2)
+#define bn_pack4(a1,a2,a3,a4) 0x##a4##u,0x##a3##u,0x##a2##u,0x##a1##u
+#endif
+
+
+#include "srp_grps.h"
+
+static BIGNUM *srp_Calc_k(BIGNUM *N, BIGNUM *g)
+	{
+	/* k = SHA1(N | PAD(g)) -- tls-srp draft 8 */
+
+	unsigned char digest[SHA_DIGEST_LENGTH];
+	unsigned char *tmp;
+	EVP_MD_CTX ctxt;
+	int longg ;
+	int longN = BN_num_bytes(N);
+
+	if ((tmp = OPENSSL_malloc(longN)) == NULL)
+		return NULL;
+	BN_bn2bin(N,tmp) ;
+
+	EVP_MD_CTX_init(&ctxt);
+	EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
+	EVP_DigestUpdate(&ctxt, tmp, longN);
+
+	memset(tmp, 0, longN);
+	longg = BN_bn2bin(g,tmp) ;
+        /* use the zeros behind to pad on left */
+	EVP_DigestUpdate(&ctxt, tmp + longg, longN-longg);
+	EVP_DigestUpdate(&ctxt, tmp, longg);
+	OPENSSL_free(tmp);
+
+	EVP_DigestFinal_ex(&ctxt, digest, NULL);
+	EVP_MD_CTX_cleanup(&ctxt);
+	return BN_bin2bn(digest, sizeof(digest), NULL);	
+	}
+
+BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N)
+	{
+	/* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */
+
+	BIGNUM *u;	
+	unsigned char cu[SHA_DIGEST_LENGTH];
+	unsigned char *cAB;
+	EVP_MD_CTX ctxt;
+	int longN;  
+	if ((A == NULL) ||(B == NULL) || (N == NULL))
+		return NULL;
+
+	longN= BN_num_bytes(N);
+
+	if ((cAB = OPENSSL_malloc(2*longN)) == NULL) 
+		return NULL;
+
+	memset(cAB, 0, longN);
+
+	EVP_MD_CTX_init(&ctxt);
+	EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
+	EVP_DigestUpdate(&ctxt, cAB + BN_bn2bin(A,cAB+longN), longN);
+	EVP_DigestUpdate(&ctxt, cAB + BN_bn2bin(B,cAB+longN), longN);
+	OPENSSL_free(cAB);
+	EVP_DigestFinal_ex(&ctxt, cu, NULL);
+	EVP_MD_CTX_cleanup(&ctxt);
+
+	if (!(u = BN_bin2bn(cu, sizeof(cu), NULL)))
+		return NULL;
+	if (!BN_is_zero(u))
+		return u;
+	BN_free(u);
+	return NULL;
+}
+
+BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b, BIGNUM *N)
+	{
+	BIGNUM *tmp = NULL, *S = NULL;
+	BN_CTX *bn_ctx; 
+	
+	if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)
+		return NULL; 
+
+	if ((bn_ctx = BN_CTX_new()) == NULL ||
+		(tmp = BN_new()) == NULL ||
+		(S = BN_new()) == NULL )
+		goto err;
+
+	/* S = (A*v**u) ** b */ 
+
+	if (!BN_mod_exp(tmp,v,u,N,bn_ctx))
+		goto err;
+	if (!BN_mod_mul(tmp,A,tmp,N,bn_ctx))
+		goto err;
+	if (!BN_mod_exp(S,tmp,b,N,bn_ctx))
+		goto err;
+err:
+	BN_CTX_free(bn_ctx);
+	BN_clear_free(tmp);
+	return S;
+	}
+
+BIGNUM *SRP_Calc_B(BIGNUM *b, BIGNUM *N, BIGNUM *g, BIGNUM *v)
+	{
+	BIGNUM  *kv = NULL, *gb = NULL;
+	BIGNUM *B = NULL, *k = NULL;
+	BN_CTX *bn_ctx;
+
+	if (b == NULL || N == NULL || g == NULL || v == NULL ||
+		(bn_ctx = BN_CTX_new()) == NULL)
+		return NULL; 
+
+	if ( (kv = BN_new()) == NULL ||
+		(gb = BN_new()) == NULL ||
+		(B = BN_new())== NULL)
+		goto err;
+
+	/* B = g**b + k*v */
+
+	if (!BN_mod_exp(gb,g,b,N,bn_ctx) ||
+	   !(k = srp_Calc_k(N,g)) ||
+	   !BN_mod_mul(kv,v,k,N,bn_ctx) || 
+	   !BN_mod_add(B,gb,kv,N,bn_ctx))
+		{
+		BN_free(B);
+		B = NULL;
+		}
+err:
+	BN_CTX_free(bn_ctx);
+	BN_clear_free(kv);
+	BN_clear_free(gb);
+	BN_free(k); 
+	return B;
+	}
+
+BIGNUM *SRP_Calc_x(BIGNUM *s, const char *user, const char *pass)
+	{
+	unsigned char dig[SHA_DIGEST_LENGTH];
+	EVP_MD_CTX ctxt;
+	unsigned char *cs;
+
+	if ((s == NULL) ||
+		(user == NULL) ||
+		(pass == NULL))
+		return NULL;
+
+	if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
+		return NULL;
+
+	EVP_MD_CTX_init(&ctxt);
+	EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
+	EVP_DigestUpdate(&ctxt, user, strlen(user));
+	EVP_DigestUpdate(&ctxt, ":", 1);
+	EVP_DigestUpdate(&ctxt, pass, strlen(pass));
+	EVP_DigestFinal_ex(&ctxt, dig, NULL);
+
+	EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
+	BN_bn2bin(s,cs);
+	EVP_DigestUpdate(&ctxt, cs, BN_num_bytes(s));
+	OPENSSL_free(cs);
+	EVP_DigestUpdate(&ctxt, dig, sizeof(dig));
+	EVP_DigestFinal_ex(&ctxt, dig, NULL);
+	EVP_MD_CTX_cleanup(&ctxt);
+
+	return BN_bin2bn(dig, sizeof(dig), NULL);
+	}
+
+BIGNUM *SRP_Calc_A(BIGNUM *a, BIGNUM *N, BIGNUM *g)
+	{
+	BN_CTX *bn_ctx; 
+	BIGNUM * A = NULL;
+
+	if (a == NULL || N == NULL || g == NULL ||
+		(bn_ctx = BN_CTX_new()) == NULL) 
+		return NULL;
+
+	if ((A = BN_new()) != NULL &&
+	   !BN_mod_exp(A,g,a,N,bn_ctx))
+		{
+		BN_free(A);
+		A = NULL;
+		}
+	BN_CTX_free(bn_ctx);
+	return A;
+	}
+
+
+BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x, BIGNUM *a, BIGNUM *u)
+	{
+	BIGNUM *tmp = NULL, *tmp2 = NULL, *tmp3 = NULL , *k = NULL, *K = NULL;
+	BN_CTX *bn_ctx;
+
+	if (u == NULL || B == NULL || N == NULL || g == NULL || x == NULL || a == NULL ||
+		(bn_ctx = BN_CTX_new()) == NULL)
+		return NULL; 
+
+	if ((tmp = BN_new()) == NULL ||
+		(tmp2 = BN_new())== NULL ||
+		(tmp3 = BN_new())== NULL ||
+		(K = BN_new()) == NULL)
+		goto err;
+	
+	if (!BN_mod_exp(tmp,g,x,N,bn_ctx))
+		goto err;
+	if (!(k = srp_Calc_k(N,g)))
+		goto err;
+	if (!BN_mod_mul(tmp2,tmp,k,N,bn_ctx))
+		goto err;
+	if (!BN_mod_sub(tmp,B,tmp2,N,bn_ctx))
+		goto err;
+
+	if (!BN_mod_mul(tmp3,u,x,N,bn_ctx))
+		goto err;
+	if (!BN_mod_add(tmp2,a,tmp3,N,bn_ctx))
+		goto err;
+	if (!BN_mod_exp(K,tmp,tmp2,N,bn_ctx))
+		goto err;
+
+err :
+	BN_CTX_free(bn_ctx);
+	BN_clear_free(tmp);
+	BN_clear_free(tmp2);
+	BN_clear_free(tmp3);
+	BN_free(k);
+	return K;	
+	}
+
+int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N)
+	{
+	BIGNUM *r;
+	BN_CTX *bn_ctx; 
+	int ret = 0;
+
+	if (B == NULL || N == NULL ||
+		(bn_ctx = BN_CTX_new()) == NULL)
+		return 0;
+
+	if ((r = BN_new()) == NULL)
+		goto err;
+	/* Checks if B % N == 0 */
+	if (!BN_nnmod(r,B,N,bn_ctx))
+		goto err;
+	ret = !BN_is_zero(r);
+err:
+	BN_CTX_free(bn_ctx);
+	BN_free(r);
+	return ret;
+	}
+
+int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N)
+	{
+	/* Checks if A % N == 0 */
+	return SRP_Verify_B_mod_N(A,N) ;
+	}
+
+
+/* Check if G and N are kwown parameters. 
+   The values have been generated from the ietf-tls-srp draft version 8
+*/
+char *  SRP_check_known_gN_param(BIGNUM* g, BIGNUM* N)
+	{
+	int i;
+	if ((g == NULL) || (N == NULL))
+		return 0;
+
+	srp_bn_print(g);
+	srp_bn_print(N);
+
+	for(i = 0; i < KNOWN_GN_NUMBER; i++)
+		{
+		if (BN_cmp(knowngN[i].g,g) == 0 && BN_cmp(knowngN[i].N,N) == 0) 
+			return knowngN[i].id;
+		}
+	return NULL;
+	}
+
+SRP_gN *SRP_get_default_gN(const char * id)
+	{
+	int i; 
+
+	if (id == NULL) 
+		return knowngN;
+	for(i = 0; i < KNOWN_GN_NUMBER; i++)
+		{
+		if (strcmp(knowngN[i].id,id)==0)
+			return knowngN+i;
+		}
+	return NULL;
+	}
+#endif
diff --git a/crypto/srp/srp_vfy.c b/crypto/srp/srp_vfy.c
new file mode 100644
index 000000000..8b96a20d5
--- /dev/null
+++ b/crypto/srp/srp_vfy.c
@@ -0,0 +1,660 @@
+/* crypto/srp/srp_vfy.c */
+/* Written by Christophe Renou (christophe.renou@edelweb.fr) with 
+ * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr) 
+ * for the EdelKey project and contributed to the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#ifndef OPENSSL_NO_SRP
+#include "cryptlib.h"
+#include "srp_lcl.h"
+#include <openssl/srp.h>
+#include <openssl/evp.h>
+#include <openssl/buffer.h>
+#include <openssl/rand.h>
+#include <openssl/txt_db.h>
+
+#define SRP_RANDOM_SALT_LEN 20
+#define MAX_LEN 2500
+
+static char b64table[] =
+  "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz./";
+
+/* the following two conversion routines have been inspired by code from Stanford */ 
+
+/*
+ * Convert a base64 string into raw byte array representation.
+ */
+static int t_fromb64(unsigned char *a, const char *src)
+	{
+	char *loc;
+	int i, j;
+	int size;
+
+	while(*src && (*src == ' ' || *src == '\t' || *src == '\n'))
+		++src;
+	size = strlen((const char *)src);
+	i = 0;
+	while(i < size)
+		{
+		loc = strchr(b64table, src[i]);
+		if(loc == (char *) 0) break;
+		else a[i] = loc - b64table;
+		++i;
+		}
+	size = i;
+	i = size - 1;
+	j = size;
+	while(1)
+		{
+		a[j] = a[i];
+		if(--i < 0) break;
+		a[j] |= (a[i] & 3) << 6;
+		--j;
+		a[j] = (unsigned char) ((a[i] & 0x3c) >> 2);
+		if(--i < 0) break;
+		a[j] |= (a[i] & 0xf) << 4;
+		--j;
+		a[j] = (unsigned char) ((a[i] & 0x30) >> 4);
+		if(--i < 0) break;
+		a[j] |= (a[i] << 2);
+
+		a[--j] = 0;
+		if(--i < 0) break;
+		}
+	while(a[j] == 0 && j <= size) ++j;
+	i = 0;
+	while (j <= size) a[i++] = a[j++];
+	return i;
+	}
+
+
+/*
+ * Convert a raw byte string into a null-terminated base64 ASCII string.
+ */
+static char *t_tob64(char *dst, const unsigned char *src, int size)
+	{
+	int c, pos = size % 3;
+	unsigned char b0 = 0, b1 = 0, b2 = 0, notleading = 0;
+	char *olddst = dst;
+
+	switch(pos)
+		{
+	case 1:
+		b2 = src[0];
+		break;
+	case 2:
+		b1 = src[0];
+		b2 = src[1];
+		break;
+		}
+
+	while(1)
+		{
+		c = (b0 & 0xfc) >> 2;
+		if(notleading || c != 0)
+			{
+			*dst++ = b64table[c];
+			notleading = 1;
+			}
+		c = ((b0 & 3) << 4) | ((b1 & 0xf0) >> 4);
+		if(notleading || c != 0)
+			{
+			*dst++ = b64table[c];
+			notleading = 1;
+			}
+		c = ((b1 & 0xf) << 2) | ((b2 & 0xc0) >> 6);
+		if(notleading || c != 0)
+			{
+			*dst++ = b64table[c];
+			notleading = 1;
+			}
+		c = b2 & 0x3f;
+		if(notleading || c != 0)
+			{
+			*dst++ = b64table[c];
+			notleading = 1;
+			}
+		if(pos >= size) break;
+		else
+			{
+			b0 = src[pos++];
+			b1 = src[pos++];
+			b2 = src[pos++];
+			}
+		}
+
+	*dst++ = '\0';
+	return olddst;
+	}
+
+static void SRP_user_pwd_free(SRP_user_pwd *user_pwd)
+	{
+	if (user_pwd == NULL) 
+		return;
+	BN_free(user_pwd->s);
+	BN_clear_free(user_pwd->v);
+	OPENSSL_free(user_pwd->id);
+	OPENSSL_free(user_pwd->info);
+	OPENSSL_free(user_pwd);
+	}
+
+static SRP_user_pwd * SRP_user_pwd_new(void)
+	{
+	SRP_user_pwd * ret = OPENSSL_malloc(sizeof(SRP_user_pwd));
+	if (ret == NULL)
+		return NULL;								
+	ret->N = NULL;
+	ret->g = NULL;	
+	ret->s = NULL;
+	ret->v = NULL;
+	ret->id = NULL ;
+	ret->info = NULL;
+	return ret;
+	}
+
+static void SRP_user_pwd_set_gN(SRP_user_pwd *vinfo, const BIGNUM *g,
+								const BIGNUM *N)
+	{
+	vinfo->N = N;
+	vinfo->g = g;	
+	}
+
+static int SRP_user_pwd_set_ids(SRP_user_pwd *vinfo, const char *id,
+								const char *info)
+	{
+	if (id != NULL && NULL == (vinfo->id = BUF_strdup(id)))
+		return 0;
+	return (info == NULL || NULL != (vinfo->info = BUF_strdup(info))) ;
+	}
+
+static int SRP_user_pwd_set_sv(SRP_user_pwd *vinfo, const char *s,
+							   const char *v)
+	{
+	unsigned char tmp[MAX_LEN]; 
+	int len;
+
+	if (strlen(s) > MAX_LEN || strlen(v) > MAX_LEN) 
+		return 0; 
+	len = t_fromb64(tmp, v);
+	if (NULL == (vinfo->v = BN_bin2bn(tmp, len, NULL)) )
+		return 0;
+	len = t_fromb64(tmp, s);
+	return ((vinfo->s = BN_bin2bn(tmp, len, NULL)) != NULL) ;
+	}
+
+static int SRP_user_pwd_set_sv_BN(SRP_user_pwd * vinfo, BIGNUM * s, BIGNUM * v)
+	{
+	vinfo->v = v;
+	vinfo->s = s;
+	return (vinfo->s != NULL && vinfo->v != NULL) ;
+	}
+
+SRP_VBASE *SRP_VBASE_new(char *seed_key)
+	{
+	SRP_VBASE *vb = (SRP_VBASE *) OPENSSL_malloc(sizeof(SRP_VBASE));
+
+	if (vb == NULL)
+		return NULL;
+	if (!(vb->users_pwd = sk_SRP_user_pwd_new_null()) ||
+		!(vb->gN_cache = sk_SRP_gN_cache_new_null()))
+		{
+		OPENSSL_free(vb);
+		return NULL;
+		}
+	vb->default_g = NULL;
+	vb->default_N = NULL;
+	vb->seed_key = NULL;
+	if ((seed_key != NULL) && 
+		(vb->seed_key = BUF_strdup(seed_key)) == NULL)
+		{
+		sk_SRP_user_pwd_free(vb->users_pwd);
+		sk_SRP_gN_cache_free(vb->gN_cache);
+		OPENSSL_free(vb);
+		return NULL;
+		}
+	return vb;
+	}
+
+
+int SRP_VBASE_free(SRP_VBASE *vb)
+	{
+	sk_SRP_user_pwd_pop_free(vb->users_pwd,SRP_user_pwd_free);
+	sk_SRP_gN_cache_free(vb->gN_cache);
+	OPENSSL_free(vb->seed_key);
+	OPENSSL_free(vb);
+	return 0;
+	}
+
+
+static SRP_gN_cache *SRP_gN_new_init(const char *ch)
+	{
+	unsigned char tmp[MAX_LEN];
+	int len;
+
+	SRP_gN_cache *newgN = (SRP_gN_cache *)OPENSSL_malloc(sizeof(SRP_gN_cache));
+	if (newgN == NULL)
+		return NULL;
+
+	if ((newgN->b64_bn = BUF_strdup(ch)) == NULL)
+		goto err;
+
+	len = t_fromb64(tmp, ch);
+	if ((newgN->bn = BN_bin2bn(tmp, len, NULL)))
+		return newgN;
+
+	OPENSSL_free(newgN->b64_bn);
+err:
+	OPENSSL_free(newgN);
+	return NULL;
+	}
+
+
+static void SRP_gN_free(SRP_gN_cache *gN_cache)
+	{
+	if (gN_cache == NULL)
+		return;
+	OPENSSL_free(gN_cache->b64_bn);
+	BN_free(gN_cache->bn);
+	OPENSSL_free(gN_cache);
+	}
+
+static SRP_gN *SRP_get_gN_by_id(const char *id, STACK_OF(SRP_gN) *gN_tab)
+	{
+	int i;
+
+	SRP_gN *gN;
+	if (gN_tab != NULL) 
+	for(i = 0; i < sk_SRP_gN_num(gN_tab); i++)
+		{
+		gN = sk_SRP_gN_value(gN_tab, i);
+		if (gN && (id == NULL || strcmp(gN->id,id)==0))
+			return gN;
+		}
+	
+	return SRP_get_default_gN(id);
+	}
+
+static BIGNUM *SRP_gN_place_bn(STACK_OF(SRP_gN_cache) *gN_cache, char *ch)
+	{
+	int i;
+	if (gN_cache == NULL)
+		return NULL;
+
+	/* search if we have already one... */
+	for(i = 0; i < sk_SRP_gN_cache_num(gN_cache); i++)
+		{
+		SRP_gN_cache *cache = sk_SRP_gN_cache_value(gN_cache, i);
+		if (strcmp(cache->b64_bn,ch)==0)
+			return cache->bn;
+		}
+		{		/* it is the first time that we find it */
+		SRP_gN_cache *newgN = SRP_gN_new_init(ch);
+		if (newgN)
+			{
+			if (sk_SRP_gN_cache_insert(gN_cache,newgN,0)>0)
+				return newgN->bn;
+			SRP_gN_free(newgN);
+			}
+		}
+	return NULL;
+	}
+
+/* this function parses verifier file. Format is:
+ * string(index):base64(N):base64(g):0
+ * string(username):base64(v):base64(salt):int(index)
+ */
+
+
+int SRP_VBASE_init(SRP_VBASE *vb, char *verifier_file)
+	{
+	int error_code ;
+	STACK_OF(SRP_gN) *SRP_gN_tab = sk_SRP_gN_new_null();
+	char *last_index = NULL;
+	int i;
+	char **pp;
+
+	SRP_gN *gN = NULL;
+	SRP_user_pwd *user_pwd = NULL ;
+
+	TXT_DB *tmpdb = NULL;
+	BIO *in = BIO_new(BIO_s_file());
+
+	error_code = SRP_ERR_OPEN_FILE;
+
+	if (in == NULL || BIO_read_filename(in,verifier_file) <= 0)
+		goto err;
+
+	error_code = SRP_ERR_VBASE_INCOMPLETE_FILE;
+
+	if ((tmpdb =TXT_DB_read(in,DB_NUMBER)) == NULL)
+		goto err;
+
+	error_code = SRP_ERR_MEMORY;
+
+
+	if (vb->seed_key)
+		{
+		last_index = SRP_get_default_gN(NULL)->id;
+		}
+	for (i=0; i < sk_OPENSSL_PSTRING_num(tmpdb->data); i++)
+		{
+		pp=sk_OPENSSL_PSTRING_value(tmpdb->data,i);
+		if (pp[DB_srptype][0] == DB_SRP_INDEX)
+			{
+			/*we add this couple in the internal Stack */
+
+			if ((gN = (SRP_gN *)OPENSSL_malloc(sizeof(SRP_gN))) == NULL) 
+ 				goto err;
+
+			if  (!(gN->id = BUF_strdup(pp[DB_srpid]))
+	                ||  !(gN->N = SRP_gN_place_bn(vb->gN_cache,pp[DB_srpverifier]))
+			||  !(gN->g = SRP_gN_place_bn(vb->gN_cache,pp[DB_srpsalt]))
+			||  sk_SRP_gN_insert(SRP_gN_tab,gN,0) == 0)
+				goto err;
+
+			gN = NULL;
+
+			if (vb->seed_key != NULL)
+				{
+				last_index = pp[DB_srpid];
+				}
+			}
+		else if (pp[DB_srptype][0] == DB_SRP_VALID)
+			{
+			/* it is a user .... */
+			SRP_gN *gN;
+			if ((gN = SRP_get_gN_by_id(pp[DB_srpgN],SRP_gN_tab))!=NULL)
+				{
+				error_code = SRP_ERR_MEMORY;
+				if ((user_pwd = SRP_user_pwd_new()) == NULL) 
+					goto err;
+				
+				SRP_user_pwd_set_gN(user_pwd,gN->g,gN->N);
+				if (!SRP_user_pwd_set_ids(user_pwd, pp[DB_srpid],
+										  pp[DB_srpinfo]))
+					goto err;
+				
+				error_code = SRP_ERR_VBASE_BN_LIB;
+				if (!SRP_user_pwd_set_sv(user_pwd, pp[DB_srpsalt],
+										 pp[DB_srpverifier]))
+					goto err;
+
+				if (sk_SRP_user_pwd_insert(vb->users_pwd,user_pwd,0) == 0)
+					goto err;
+				user_pwd = NULL; /* abandon responsability */
+				}
+			}
+		}
+	
+	if (last_index != NULL)
+		{
+		/* this means that we want to simulate a default user */
+
+		if (((gN = SRP_get_gN_by_id(last_index,SRP_gN_tab))==NULL))
+			{
+			error_code = SRP_ERR_VBASE_BN_LIB;
+			goto err;
+			}
+		vb->default_g = gN->g ;
+		vb->default_N = gN->N ;
+		gN = NULL ;
+		}
+	error_code = SRP_NO_ERROR;
+
+ err:
+	/* there may be still some leaks to fix, if this fails, the application terminates most likely */
+
+	if (gN != NULL)
+		{
+		OPENSSL_free(gN->id);
+		OPENSSL_free(gN);
+		}
+
+	SRP_user_pwd_free(user_pwd);
+
+	if (tmpdb) TXT_DB_free(tmpdb);
+	if (in) BIO_free_all(in);
+
+	sk_SRP_gN_free(SRP_gN_tab);
+
+	return error_code;
+
+	}
+
+
+SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username)
+	{
+	int i;
+	SRP_user_pwd *user;
+	unsigned char digv[SHA_DIGEST_LENGTH];
+	unsigned char digs[SHA_DIGEST_LENGTH];
+	EVP_MD_CTX ctxt;
+
+	if (vb == NULL)
+		return NULL;
+	for(i = 0; i < sk_SRP_user_pwd_num(vb->users_pwd); i++)
+		{
+		user = sk_SRP_user_pwd_value(vb->users_pwd, i);
+		if (strcmp(user->id,username)==0)
+			return user;
+		}
+	if ((vb->seed_key == NULL) ||
+		(vb->default_g == NULL) ||
+		(vb->default_N == NULL))
+		return NULL;
+
+/* if the user is unknown we set parameters as well if we have a seed_key */
+
+	if ((user = SRP_user_pwd_new()) == NULL) 
+		return NULL;
+
+	SRP_user_pwd_set_gN(user,vb->default_g,vb->default_N);
+				
+	if (!SRP_user_pwd_set_ids(user,username,NULL))
+		goto err;
+		
+	RAND_pseudo_bytes(digv, SHA_DIGEST_LENGTH);
+	EVP_MD_CTX_init(&ctxt);
+	EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
+	EVP_DigestUpdate(&ctxt, vb->seed_key, strlen(vb->seed_key));
+	EVP_DigestUpdate(&ctxt, username, strlen(username));
+	EVP_DigestFinal_ex(&ctxt, digs, NULL);
+	EVP_MD_CTX_cleanup(&ctxt);
+	if (SRP_user_pwd_set_sv_BN(user, BN_bin2bn(digs,SHA_DIGEST_LENGTH,NULL), BN_bin2bn(digv,SHA_DIGEST_LENGTH, NULL))) 
+		return user;
+
+err:    SRP_user_pwd_free(user);
+	return NULL;
+	}
+
+
+/*
+   create a verifier (*salt,*verifier,g and N are in base64)
+*/
+char *SRP_create_verifier(const char *user, const char *pass, char **salt,
+						  char **verifier, const char *N, const char *g)
+	{
+	int len;
+	char * result=NULL;
+	char *vf;
+	BIGNUM *N_bn = NULL, *g_bn = NULL, *s = NULL, *v = NULL;
+	unsigned char tmp[MAX_LEN];
+	unsigned char tmp2[MAX_LEN];
+	char * defgNid = NULL;
+
+	if ((user == NULL)||
+		(pass == NULL)||
+		(salt == NULL)||
+		(verifier == NULL))
+		goto err;
+
+	if (N)
+		{
+		if (!(len = t_fromb64(tmp, N))) goto err;
+		N_bn = BN_bin2bn(tmp,len,NULL);
+		if (!(len = t_fromb64(tmp, g))) goto err;
+		g_bn = BN_bin2bn(tmp, len, NULL);
+		defgNid = "*";
+		}
+	else
+		{ 
+		SRP_gN * gN = SRP_get_gN_by_id(g, NULL) ;
+		if (gN == NULL)
+			goto err;
+		N_bn = gN->N;
+		g_bn = gN->g;
+		defgNid = gN->id;
+		}
+
+	if (*salt == NULL)
+		{
+		RAND_pseudo_bytes(tmp2, SRP_RANDOM_SALT_LEN);
+
+		s = BN_bin2bn(tmp2, SRP_RANDOM_SALT_LEN, NULL);
+		}
+	else
+		{
+		if (!(len = t_fromb64(tmp2, *salt)))
+			goto err;
+		s = BN_bin2bn(tmp2,len,NULL);
+		}
+
+
+	if(!SRP_create_verifier_BN(user, pass, &s, &v, N_bn, g_bn)) goto err;
+
+	BN_bn2bin(v,tmp);
+	if (((vf = OPENSSL_malloc(BN_num_bytes(v)*2)) == NULL))
+		goto err;
+	t_tob64(vf, tmp, BN_num_bytes(v));
+
+	*verifier = vf;
+	if (*salt == NULL)
+		{
+		char *tmp_salt;
+
+		if ((tmp_salt = OPENSSL_malloc(SRP_RANDOM_SALT_LEN*2)) == NULL)
+			{
+			OPENSSL_free(vf);
+			goto err;
+			}
+		t_tob64(tmp_salt,tmp2,SRP_RANDOM_SALT_LEN);
+		*salt = tmp_salt;
+		}
+
+	result=defgNid;
+
+err:
+	if(N)
+		{
+		BN_free(N_bn);
+		BN_free(g_bn);
+		}
+	return result;
+	}
+
+/*
+   create a verifier (*salt,*verifier,g and N are BIGNUMs)
+*/
+int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt, BIGNUM **verifier, BIGNUM *N, BIGNUM *g)
+	{
+	int result=0;
+	BIGNUM *x = NULL;
+	BN_CTX *bn_ctx = BN_CTX_new();
+	unsigned char tmp2[MAX_LEN];
+
+	if ((user == NULL)||
+		(pass == NULL)||
+		(salt == NULL)||
+		(verifier == NULL)||
+		(N == NULL)||
+		(g == NULL)||
+		(bn_ctx == NULL))
+		goto err;
+
+	srp_bn_print(N);
+	srp_bn_print(g);
+
+	if (*salt == NULL)
+		{
+		RAND_pseudo_bytes(tmp2, SRP_RANDOM_SALT_LEN);
+
+		*salt = BN_bin2bn(tmp2,SRP_RANDOM_SALT_LEN,NULL);
+		}
+
+	x = SRP_Calc_x(*salt,user,pass);
+
+	*verifier = BN_new();
+	if(*verifier == NULL) goto err;
+
+	if (!BN_mod_exp(*verifier,g,x,N,bn_ctx))
+		{
+		BN_clear_free(*verifier);
+		goto err;
+		}
+
+	srp_bn_print(*verifier);
+
+	result=1;
+
+err:
+
+	BN_clear_free(x);
+	BN_CTX_free(bn_ctx);
+	return result;
+	}
+
+
+
+#endif
diff --git a/crypto/srp/srptest.c b/crypto/srp/srptest.c
new file mode 100644
index 000000000..04b66b454
--- /dev/null
+++ b/crypto/srp/srptest.c
@@ -0,0 +1,162 @@
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_SRP
+
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+	{
+	printf("No SRP support\n");
+	return(0);
+	}
+
+#else
+
+#include <openssl/srp.h>
+#include <openssl/rand.h>
+#include <openssl/err.h>
+
+static void showbn(const char *name, const BIGNUM *bn)
+	{
+	fputs(name, stdout);
+	fputs(" = ", stdout);
+	BN_print_fp(stdout, bn);
+	putc('\n', stdout);
+	}
+
+#define RANDOM_SIZE 32	/* use 256 bits on each side */
+
+static int run_srp(const char *username, const char *client_pass, const char *server_pass)
+	{
+	int ret=-1;
+	BIGNUM *s = NULL;
+	BIGNUM *v = NULL;
+	BIGNUM *a = NULL;
+	BIGNUM *b = NULL;
+	BIGNUM *u = NULL;
+	BIGNUM *x = NULL;
+	BIGNUM *Apub = NULL;
+	BIGNUM *Bpub = NULL;
+	BIGNUM *Kclient = NULL;
+	BIGNUM *Kserver = NULL;
+	unsigned char rand_tmp[RANDOM_SIZE];
+	/* use builtin 1024-bit params */
+	SRP_gN *GN = SRP_get_default_gN("1024");
+
+	if(GN == NULL)
+		{
+		fprintf(stderr, "Failed to get SRP parameters\n");
+		return -1;
+		}
+	/* Set up server's password entry */
+	if(!SRP_create_verifier_BN(username, server_pass, &s, &v, GN->N, GN->g))
+		{
+		fprintf(stderr, "Failed to create SRP verifier\n");
+		return -1;
+		}
+
+	showbn("N", GN->N);
+	showbn("g", GN->g);
+	showbn("Salt", s);
+	showbn("Verifier", v);
+
+	/* Server random */
+	RAND_pseudo_bytes(rand_tmp, sizeof(rand_tmp));
+	b = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);
+	/* TODO - check b != 0 */
+	showbn("b", b);
+
+	/* Server's first message */
+	Bpub = SRP_Calc_B(b, GN->N, GN->g, v);
+	showbn("B", Bpub);
+
+	if(!SRP_Verify_B_mod_N(Bpub, GN->N))
+		{
+		fprintf(stderr, "Invalid B\n");
+		return -1;
+		}
+
+	/* Client random */
+	RAND_pseudo_bytes(rand_tmp, sizeof(rand_tmp));
+	a = BN_bin2bn(rand_tmp, sizeof(rand_tmp), NULL);
+	/* TODO - check a != 0 */
+	showbn("a", a);
+
+	/* Client's response */
+	Apub = SRP_Calc_A(a, GN->N, GN->g);
+	showbn("A", Apub);
+
+	if(!SRP_Verify_A_mod_N(Apub, GN->N))
+		{
+		fprintf(stderr, "Invalid A\n");
+		return -1;
+		}
+
+	/* Both sides calculate u */
+	u = SRP_Calc_u(Apub, Bpub, GN->N);
+
+	/* Client's key */
+	x = SRP_Calc_x(s, username, client_pass);
+	Kclient = SRP_Calc_client_key(GN->N, Bpub, GN->g, x, a, u);
+	showbn("Client's key", Kclient);
+
+	/* Server's key */
+	Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N);
+	showbn("Server's key", Kserver);
+
+	if(BN_cmp(Kclient, Kserver) == 0)
+		{
+		ret = 0;
+		}
+	else
+		{
+		fprintf(stderr, "Keys mismatch\n");
+		ret = 1;
+		}
+
+	BN_clear_free(Kclient);
+	BN_clear_free(Kserver);
+	BN_clear_free(x);
+	BN_free(u);
+	BN_free(Apub);
+	BN_clear_free(a);
+	BN_free(Bpub);
+	BN_clear_free(b);
+	BN_free(s);
+	BN_clear_free(v);
+
+	return ret;
+	}
+
+int main(int argc, char **argv)
+	{
+	BIO *bio_err;
+	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+
+	CRYPTO_malloc_debug_init();
+	CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
+	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+	ERR_load_crypto_strings();
+
+	/* "Negative" test, expect a mismatch */
+	if(run_srp("alice", "password1", "password2") == 0)
+		{
+		fprintf(stderr, "Mismatched SRP run failed\n");
+		return 1;
+		}
+
+	/* "Positive" test, should pass */
+	if(run_srp("alice", "password", "password") != 0)
+		{
+		fprintf(stderr, "Plain SRP run failed\n");
+		return 1;
+		}
+
+	CRYPTO_cleanup_all_ex_data();
+	ERR_remove_thread_state(NULL);
+	ERR_free_strings();
+	CRYPTO_mem_leaks(bio_err);
+
+	return 0;
+	}
+#endif