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|
/* chacha-test.c
*
* Test program for the ChaCha stream cipher implementation.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2013 Joachim Strömbergson
* Copyright (C) 2012, 2014 Niels Möller
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The nettle library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02111-1301, USA.
*/
#include "testutils.h"
#include "chacha.h"
static void
test_chacha(const struct tstring *key, const struct tstring *nonce,
const struct tstring *expected, unsigned rounds)
{
struct chacha_ctx ctx;
chacha_set_key (&ctx, key->length, key->data);
ASSERT (nonce->length == CHACHA_NONCE_SIZE);
if (rounds == 20)
{
uint8_t *data = xalloc (expected->length + 2);
data++;
size_t length;
for (length = 1; length <= expected->length; length++)
{
data[-1] = 17;
memset (data, 0, length);
data[length] = 17;
chacha_set_nonce(&ctx, nonce->data);
chacha_crypt (&ctx, length, data, data);
ASSERT (data[-1] == 17);
ASSERT (data[length] == 17);
if (!MEMEQ(length, data, expected->data))
{
printf("Error, length %u, expected:\n", (unsigned) length);
print_hex (length, expected->data);
printf("Got:\n");
print_hex(length, data);
FAIL ();
}
}
if (verbose)
{
printf("Result after encryption:\n");
print_hex(expected->length, data);
}
free (data - 1);
}
else
{
/* Uses the _chacha_core function to be able to test different
numbers of rounds. */
uint32_t out[_CHACHA_STATE_LENGTH];
ASSERT (expected->length == CHACHA_BLOCK_SIZE);
chacha_set_nonce(&ctx, nonce->data);
_chacha_core (out, ctx.state, rounds);
if (!MEMEQ(CHACHA_BLOCK_SIZE, out, expected->data))
{
printf("Error, expected:\n");
tstring_print_hex (expected);
printf("Got:\n");
print_hex(CHACHA_BLOCK_SIZE, (uint8_t *) out);
FAIL ();
}
if (verbose)
{
printf("Result after encryption:\n");
print_hex(CHACHA_BLOCK_SIZE, (uint8_t *) out);
}
}
}
void
test_main(void)
{
/* Test vectors from draft-strombergson-chacha-test-vectors */
#if 0
/* TC1: All zero key and IV. 128 bit key and 8 rounds. */
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("e28a5fa4a67f8c5d efed3e6fb7303486"
"aa8427d31419a729 572d777953491120"
"b64ab8e72b8deb85 cd6aea7cb6089a10"
"1824beeb08814a42 8aab1fa2c816081b"),
8);
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("e1047ba9476bf8ff 312c01b4345a7d8c"
"a5792b0ad467313f 1dc412b5fdce3241"
"0dea8b68bd774c36 a920f092a04d3f95"
"274fbeff97bc8491 fcef37f85970b450"),
12);
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("89670952608364fd 00b2f90936f031c8"
"e756e15dba04b849 3d00429259b20f46"
"cc04f111246b6c2c e066be3bfb32d9aa"
"0fddfbc12123d4b9 e44f34dca05a103f"
"6cd135c2878c832b 5896b134f6142a9d"
"4d8d0d8f1026d20a 0a81512cbce6e975"
"8a7143d021978022 a384141a80cea306"
"2f41f67a752e66ad 3411984c787e30ad"),
20);
#endif
test_chacha (SHEX("0000000000000000 0000000000000000"
"0000000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("76b8e0ada0f13d90 405d6ae55386bd28"
"bdd219b8a08ded1a a836efcc8b770dc7"
"da41597c5157488d 7724e03fb8d84a37"
"6a43b8f41518a11c c387b669b2ee6586"
"9f07e7be5551387a 98ba977c732d080d"
"cb0f29a048e36569 12c6533e32ee7aed"
"29b721769ce64e43 d57133b074d839d5"
"31ed1f28510afb45 ace10a1f4b794d6f"),
20);
/* TC2: Single bit in key set. All zero IV */
#if 0
test_chacha (SHEX("0100000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("03a7669888605a07 65e8357475e58673"
"f94fc8161da76c2a 3aa2f3caf9fe5449"
"e0fcf38eb882656a f83d430d410927d5"
"5c972ac4c92ab9da 3713e19f761eaa14"),
8);
test_chacha (SHEX("0100000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("2a865a3b8999fa83 ae8aacf33fc6be4f"
"32c8aa9762738d26 963270052f4eef8b"
"86af758f7867560a f6d0eeb973b5542b"
"b24c8abceac8b1f3 6d026963d6c8a9b2"),
12);
test_chacha (SHEX("0100000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("ae56060d04f5b597 897ff2af1388dbce"
"ff5a2a4920335dc1 7a3cb1b1b10fbe70"
"ece8f4864d8c7cdf 0076453a8291c7db"
"eb3aa9c9d10e8ca3 6be4449376ed7c42"
"fc3d471c34a36fbb f616bc0a0e7c5230"
"30d944f43ec3e78d d6a12466547cb4f7"
"b3cebd0a5005e762 e562d1375b7ac445"
"93a991b85d1a60fb a2035dfaa2a642d5"),
20);
#endif
test_chacha (SHEX("0100000000000000 0000000000000000"
"0000000000000000 0000000000000000"),
SHEX("0000000000000000"),
SHEX("c5d30a7ce1ec1193 78c84f487d775a85"
"42f13ece238a9455 e8229e888de85bbd"
"29eb63d0a17a5b99 9b52da22be4023eb"
"07620a54f6fa6ad8 737b71eb0464dac0"
"10f656e6d1fd5505 3e50c4875c9930a3"
"3f6d0263bd14dfd6 ab8c70521c19338b"
"2308b95cf8d0bb7d 202d2102780ea352"
"8f1cb48560f76b20 f382b942500fceac"),
20);
/* TC3: Single bit in IV set. All zero key */
#if 0
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0100000000000000"),
SHEX("25f5bec6683916ff 44bccd12d102e692"
"176663f4cac53e71 9509ca74b6b2eec8"
"5da4236fb2990201 2adc8f0d86c8187d"
"25cd1c486966930d 0204c4ee88a6ab35"),
8);
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0100000000000000"),
SHEX("91cdb2f180bc89cf e86b8b6871cd6b3a"
"f61abf6eba01635d b619c40a0b2e19ed"
"fa8ce5a9bd7f53cc 2c9bcfea181e9754"
"a9e245731f658cc2 82c2ae1cab1ae02c"),
12);
test_chacha (SHEX("0000000000000000 0000000000000000"),
SHEX("0100000000000000"),
SHEX("1663879eb3f2c994 9e2388caa343d361"
"bb132771245ae6d0 27ca9cb010dc1fa7"
"178dc41f8278bc1f 64b3f12769a24097"
"f40d63a86366bdb3 6ac08abe60c07fe8"
"b057375c89144408 cc744624f69f7f4c"
"cbd93366c92fc4df cada65f1b959d8c6"
"4dfc50de711fb464 16c2553cc60f21bb"
"fd006491cb17888b 4fb3521c4fdd8745"),
20);
#endif
test_chacha (SHEX("0000000000000000 0000000000000000"
"0000000000000000 0000000000000000"),
SHEX("0100000000000000"),
SHEX("ef3fdfd6c61578fb f5cf35bd3dd33b80"
"09631634d21e42ac 33960bd138e50d32"
"111e4caf237ee53c a8ad6426194a8854"
"5ddc497a0b466e7d 6bbdb0041b2f586b"
"5305e5e44aff19b2 35936144675efbe4"
"409eb7e8e5f1430f 5f5836aeb49bb532"
"8b017c4b9dc11f8a 03863fa803dc71d5"
"726b2b6b31aa3270 8afe5af1d6b69058"),
20);
/* TC4: All bits in key and IV are set. */
#if 0
test_chacha (SHEX("ffffffffffffffff ffffffffffffffff"),
SHEX("ffffffffffffffff"),
SHEX("2204d5b81ce66219 3e00966034f91302"
"f14a3fb047f58b6e 6ef0d72113230416"
"3e0fb640d76ff9c3 b9cd99996e6e38fa"
"d13f0e31c82244d3 3abbc1b11e8bf12d"),
8);
test_chacha (SHEX("ffffffffffffffff ffffffffffffffff"),
SHEX("ffffffffffffffff"),
SHEX("60e349e60c38b328 c4baab90d44a7c72"
"7662770d36350d65 a1433bd92b00ecf4"
"83d5597d7a616258 ec3c5d5b30e1c5c8"
"5c5dfe2f92423b8e 36870f3185b6add9"),
12);
test_chacha (SHEX("ffffffffffffffff ffffffffffffffff"),
SHEX("ffffffffffffffff"),
SHEX("992947c3966126a0 e660a3e95db048de"
"091fb9e0185b1e41 e41015bb7ee50150"
"399e4760b262f9d5 3f26d8dd19e56f5c"
"506ae0c3619fa67f b0c408106d0203ee"
"40ea3cfa61fa32a2 fda8d1238a2135d9"
"d4178775240f9900 7064a6a7f0c731b6"
"7c227c52ef796b6b ed9f9059ba0614bc"
"f6dd6e38917f3b15 0e576375be50ed67"),
20);
#endif
test_chacha (SHEX("ffffffffffffffff ffffffffffffffff"
"ffffffffffffffff ffffffffffffffff"),
SHEX("ffffffffffffffff"),
SHEX("d9bf3f6bce6ed0b5 4254557767fb5744"
"3dd4778911b60605 5c39cc25e674b836"
"3feabc57fde54f79 0c52c8ae43240b79"
"d49042b777bfd6cb 80e931270b7f50eb"
"5bac2acd86a836c5 dc98c116c1217ec3"
"1d3a63a9451319f0 97f3b4d6dab07787"
"19477d24d24b403a 12241d7cca064f79"
"0f1d51ccaff6b166 7d4bbca1958c4306"),
20);
/* TC5: Every even bit set in key and IV. */
#if 0
test_chacha (SHEX("5555555555555555 5555555555555555"),
SHEX("5555555555555555"),
SHEX("f0a23bc36270e18e d0691dc384374b9b"
"2c5cb60110a03f56 fa48a9fbbad961aa"
"6bab4d892e96261b 6f1a0919514ae56f"
"86e066e17c71a417 6ac684af1c931996"),
8);
test_chacha (SHEX("5555555555555555 5555555555555555"),
SHEX("5555555555555555"),
SHEX("90ec7a49ee0b20a8 08af3d463c1fac6c"
"2a7c897ce8f6e60d 793b62ddbebcf980"
"ac917f091e52952d b063b1d2b947de04"
"aac087190ca99a35 b5ea501eb535d570"),
12);
test_chacha (SHEX("5555555555555555 5555555555555555"),
SHEX("5555555555555555"),
SHEX("357d7d94f966778f 5815a2051dcb0413"
"3b26b0ead9f57dd0 9927837bc3067e4b"
"6bf299ad81f7f50c 8da83c7810bfc17b"
"b6f4813ab6c32695 7045fd3fd5e19915"
"ec744a6b9bf8cbdc b36d8b6a5499c68a"
"08ef7be6cc1e93f2 f5bcd2cad4e47c18"
"a3e5d94b5666382c 6d130d822dd56aac"
"b0f8195278e7b292 495f09868ddf12cc"),
20);
#endif
test_chacha (SHEX("5555555555555555 5555555555555555"
"5555555555555555 5555555555555555"),
SHEX("5555555555555555"),
SHEX("bea9411aa453c543 4a5ae8c92862f564"
"396855a9ea6e22d6 d3b50ae1b3663311"
"a4a3606c671d605c e16c3aece8e61ea1"
"45c59775017bee2f a6f88afc758069f7"
"e0b8f676e644216f 4d2a3422d7fa36c6"
"c4931aca950e9da4 2788e6d0b6d1cd83"
"8ef652e97b145b14 871eae6c6804c700"
"4db5ac2fce4c68c7 26d004b10fcaba86"),
20);
/* TC6: Every odd bit set in key and IV. */
#if 0
test_chacha (SHEX("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa"),
SHEX("aaaaaaaaaaaaaaaa"),
SHEX("312d95c0bc38eff4 942db2d50bdc500a"
"30641ef7132db1a8 ae838b3bea3a7ab0"
"3815d7a4cc09dbf5 882a3433d743aced"
"48136ebab7329950 6855c0f5437a36c6"),
8);
test_chacha (SHEX("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa"),
SHEX("aaaaaaaaaaaaaaaa"),
SHEX("057fe84fead13c24 b76bb2a6fdde66f2"
"688e8eb6268275c2 2c6bcb90b85616d7"
"fe4d3193a1036b70 d7fb864f01453641"
"851029ecdb60ac38 79f56496f16213f4"),
12);
test_chacha (SHEX("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa"),
SHEX("aaaaaaaaaaaaaaaa"),
SHEX("fc79acbd58526103 862776aab20f3b7d"
"8d3149b2fab65766 299316b6e5b16684"
"de5de548c1b7d083 efd9e3052319e0c6"
"254141da04a6586d f800f64d46b01c87"
"1f05bc67e07628eb e6f6865a2177e0b6"
"6a558aa7cc1e8ff1 a98d27f7071f8335"
"efce4537bb0ef7b5 73b32f32765f2900"
"7da53bba62e7a44d 006f41eb28fe15d6"),
20);
#endif
test_chacha (SHEX("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa"),
SHEX("aaaaaaaaaaaaaaaa"),
SHEX("9aa2a9f656efde5a a7591c5fed4b35ae"
"a2895dec7cb4543b 9e9f21f5e7bcbcf3"
"c43c748a970888f8 248393a09d43e0b7"
"e164bc4d0b0fb240 a2d72115c4808906"
"72184489440545d0 21d97ef6b693dfe5"
"b2c132d47e6f041c 9063651f96b623e6"
"2a11999a23b6f7c4 61b2153026ad5e86"
"6a2e597ed07b8401 dec63a0934c6b2a9"),
20);
/* TC7: Sequence patterns in key and IV. */
#if 0
test_chacha (SHEX("0011223344556677 8899aabbccddeeff"),
SHEX("0f1e2d3c4b5a6978"),
SHEX("29560d280b452840 0a8f4b795369fb3a"
"01105599e9f1ed58 279cfc9ece2dc5f9"
"9f1c2e52c98238f5 42a5c0a881d850b6"
"15d3acd9fbdb026e 9368565da50e0d49"),
8);
test_chacha (SHEX("0011223344556677 8899aabbccddeeff"),
SHEX("0f1e2d3c4b5a6978"),
SHEX("5eddc2d9428fceee c50a52a964eae0ff"
"b04b2de006a9b04c ff368ffa921116b2"
"e8e264babd2efa0d e43ef2e3b6d065e8"
"f7c0a17837b0a40e b0e2c7a3742c8753"),
12);
test_chacha (SHEX("0011223344556677 8899aabbccddeeff"),
SHEX("0f1e2d3c4b5a6978"),
SHEX("d1abf630467eb4f6 7f1cfb47cd626aae"
"8afedbbe4ff8fc5f e9cfae307e74ed45"
"1f1404425ad2b545 69d5f18148939971"
"abb8fafc88ce4ac7 fe1c3d1f7a1eb7ca"
"e76ca87b61a97135 41497760dd9ae059"
"350cad0dcedfaa80 a883119a1a6f987f"
"d1ce91fd8ee08280 34b411200a9745a2"
"85554475d12afc04 887fef3516d12a2c"),
20);
#endif
test_chacha (SHEX("0011223344556677 8899aabbccddeeff"
"ffeeddccbbaa9988 7766554433221100"),
SHEX("0f1e2d3c4b5a6978"),
SHEX("db43ad9d1e842d12 72e4530e276b3f56"
"8f8859b3f7cf6d9d 2c74fa53808cb515"
"7a8ebf46ad3dcc4b 6c7dadde131784b0"
"120e0e22f6d5f9ff a7407d4a21b695d9"),
8);
/* TC8: hashed string patterns */
#if 0
test_chacha(SHEX("c46ec1b18ce8a878 725a37e780dfb735"),
SHEX("1ada31d5cf688221"),
SHEX("6a870108859f6791 18f3e205e2a56a68"
"26ef5a60a4102ac8 d4770059fcb7c7ba"
"e02f5ce004a6bfbb ea53014dd82107c0"
"aa1c7ce11b7d78f2 d50bd3602bbd2594"),
8);
test_chacha(SHEX("c46ec1b18ce8a878 725a37e780dfb735"),
SHEX("1ada31d5cf688221"),
SHEX("b02bd81eb55c8f68 b5e9ca4e307079bc"
"225bd22007eddc67 02801820709ce098"
"07046a0d2aa552bf dbb49466176d56e3"
"2d519e10f5ad5f27 46e241e09bdf9959"),
12);
test_chacha(SHEX("c46ec1b18ce8a878 725a37e780dfb735"),
SHEX("1ada31d5cf688221"),
SHEX("826abdd84460e2e9 349f0ef4af5b179b"
"426e4b2d109a9c5b b44000ae51bea90a"
"496beeef62a76850 ff3f0402c4ddc99f"
"6db07f151c1c0dfa c2e56565d6289625"
"5b23132e7b469c7b fb88fa95d44ca5ae"
"3e45e848a4108e98 bad7a9eb15512784"
"a6a9e6e591dce674 120acaf9040ff50f"
"f3ac30ccfb5e1420 4f5e4268b90a8804"),
20);
#endif
test_chacha(SHEX("c46ec1b18ce8a878 725a37e780dfb735"
"1f68ed2e194c79fb c6aebee1a667975d"),
SHEX("1ada31d5cf688221"),
SHEX("f63a89b75c2271f9 368816542ba52f06"
"ed49241792302b00 b5e8f80ae9a473af"
"c25b218f519af0fd d406362e8d69de7f"
"54c604a6e00f353f 110f771bdca8ab92"
"e5fbc34e60a1d9a9 db17345b0a402736"
"853bf910b060bdf1 f897b6290f01d138"
"ae2c4c90225ba9ea 14d518f55929dea0"
"98ca7a6ccfe61227 053c84e49a4a3332"),
20);
}
|
