h1-mod/deps/libtomcrypt/tests/ed25519_test.c
2024-03-07 00:54:32 -05:00

429 lines
18 KiB
C

/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_test.h"
/**
@file ed25519_test.c
Ed25519 tests, Steffen Jaeckel
*/
#ifdef LTC_CURVE25519
static void xor_shuffle(unsigned char *buf, unsigned long size, unsigned char change)
{
unsigned long i;
for(i = 0; i < size; i++)
buf[i] ^= change;
}
static int s_rfc_8410_10_test(void)
{
const struct {
const char* b64;
int type;
} rfc_8410_10[] = {
/* RFC 8410 - 10.1. Example Ed25519 Public Key */
{ "MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=", PK_PUBLIC | PK_STD },
/* Okay this is not from RFC 8410, but a custom generated certificate with Ed25519 Public Key.
* Since RFC 8410 has no testvector for that case, one had to be created.
* ( openssl req -verbose -new -x509 -subj "/CN=Public domain ed25519 self-signed certificate" -days 36525 -key <( openssl genpkey -algorithm ed25519 2>/dev/null | tee /dev/fd/3) | openssl x509 ) 3>&1
* Thx @vdukhovni
*/
{ "MIIBhDCCATagAwIBAgIUHDa8kJUZeCuIhknPJ/wDeBW6gZgwBQYDK2VwMDgxNjA0"
"BgNVBAMMLVB1YmxpYyBkb21haW4gZWQyNTUxOSBzZWxmLXNpZ25lZCBjZXJ0aWZp"
"Y2F0ZTAgFw0xOTA1MjMyMTAxMTZaGA8yMTE5MDUyNDIxMDExNlowODE2MDQGA1UE"
"AwwtUHVibGljIGRvbWFpbiBlZDI1NTE5IHNlbGYtc2lnbmVkIGNlcnRpZmljYXRl"
"MCowBQYDK2VwAyEAUEiKvHT0KHXOtNjIhaImokxbiog+Ki6lcgce05tf9UKjUDBO"
"MB0GA1UdDgQWBBS3fmpWaPK2fNpblEmg4tG4ZHO2BDAfBgNVHSMEGDAWgBS3fmpW"
"aPK2fNpblEmg4tG4ZHO2BDAMBgNVHRMEBTADAQH/MAUGAytlcANBADOnwkj8etmx"
"mTaXUP29RaenxpN8dQoQ4wnnIJwxQxTcVWOt2PlUxCFoB9gs0+YZOzhXnQg4hfqk"
"t/HPExwoZQg=", -2 },
/* RFC 8410 - 10.3. Examples of Ed25519 Private Key */
{ "MC4CAQAwBQYDK2VwBCIEINTuctv5E1hK1bbY8fdp+K06/nwoy/HU++CXqI9EdVhC", PK_PRIVATE | PK_STD },
/* RFC 8410 - 10.3. Examples of Ed25519 Private Key with attribute */
{ "MHICAQEwBQYDK2VwBCIEINTuctv5E1hK1bbY8fdp+K06/nwoy/HU++CXqI9EdVhC"
"oB8wHQYKKoZIhvcNAQkJFDEPDA1DdXJkbGUgQ2hhaXJzgSEAGb9ECWmEzf6FQbrB"
"Z9w7lshQhqowtrbLDFw4rXAxZuE=", -1 },
/* Another self-created testvector.
* `openssl genpkey -algorithm ed25519 -pass stdin -aes128`
*/
{ "MIGbMFcGCSqGSIb3DQEFDTBKMCkGCSqGSIb3DQEFDDAcBAiFflnrBOdwjwICCAAw"
"DAYIKoZIhvcNAgkFADAdBglghkgBZQMEAQIEEMzFYoqiT6gxwFx2EA55MUYEQFD1"
"ZLxPNhm4YAsMZaxu5qpLjiZbkWsTHxURb6WhSW8GAbNbTwxeOaA02sUhJg8rx44/"
"N9PzN2QGzIQ1Yv/vHqQ=", -1 },
};
unsigned n;
curve25519_key key;
unsigned char buf[1024];
char tmp[512];
unsigned long buflen, tmplen;
for (n = 0; n < sizeof(rfc_8410_10)/sizeof(rfc_8410_10[0]); ++n) {
buflen = sizeof(buf);
DO(base64_decode(rfc_8410_10[n].b64, XSTRLEN(rfc_8410_10[n].b64), buf, &buflen));
switch (n) {
case 0:
DO(ed25519_import(buf, buflen, &key));
break;
case 1:
DO(ed25519_import_x509(buf, buflen, &key));
break;
case 2:
case 3:
DO(ed25519_import_pkcs8(buf, buflen, NULL, 0, &key));
break;
case 4:
DO(ed25519_import_pkcs8(buf, buflen, "123456", 6, &key));
break;
default:
return CRYPT_FAIL_TESTVECTOR;
}
zeromem(buf, sizeof(buf));
if (rfc_8410_10[n].type > 0) {
buflen = sizeof(buf);
DO(ed25519_export(buf, &buflen, rfc_8410_10[n].type, &key));
tmplen = sizeof(tmp);
DO(base64_encode(buf, buflen, tmp, &tmplen));
DO(do_compare_testvector(tmp, tmplen, rfc_8410_10[n].b64, XSTRLEN(rfc_8410_10[n].b64), "Ed25519 export-import", n));
}
}
return CRYPT_OK;
}
typedef struct {
const char* secret_key;
const char* public_key;
const char* message;
const char* signature;
const char* context;
} rfc_8032_7_t;
static int s_rfc_8032_7_1_test(void)
{
const rfc_8032_7_t rfc_8032_7_1[] = {
{
/* SECRET KEY */
"9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60",
/* PUBLIC KEY */
"d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
/* MESSAGE (length 0 bytes) */
"",
/* SIGNATURE */
"e5564300c360ac729086e2cc806e828a84877f1eb8e5d974d873e06522490155"
"5fb8821590a33bacc61e39701cf9b46bd25bf5f0595bbe24655141438e7a100b",
/* CONTEXT */
NULL
},
{
/* SECRET KEY */
"4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb",
/* PUBLIC KEY */
"3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
/* MESSAGE (length 1 byte) */
"72",
/* SIGNATURE */
"92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da"
"085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00",
/* CONTEXT */
NULL
},
{
/* SECRET KEY */
"c5aa8df43f9f837bedb7442f31dcb7b166d38535076f094b85ce3a2e0b4458f7",
/* PUBLIC KEY */
"fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025",
/* MESSAGE (length 2 bytes) */
"af82",
/* SIGNATURE */
"6291d657deec24024827e69c3abe01a30ce548a284743a445e3680d7db5ac3ac"
"18ff9b538d16f290ae67f760984dc6594a7c15e9716ed28dc027beceea1ec40a",
/* CONTEXT */
NULL
},
{
/* SECRET KEY */
"f5e5767cf153319517630f226876b86c8160cc583bc013744c6bf255f5cc0ee5",
/* PUBLIC KEY */
"278117fc144c72340f67d0f2316e8386ceffbf2b2428c9c51fef7c597f1d426e",
/* MESSAGE (length 1023 bytes) */
"08b8b2b733424243760fe426a4b54908632110a66c2f6591eabd3345e3e4eb98"
"fa6e264bf09efe12ee50f8f54e9f77b1e355f6c50544e23fb1433ddf73be84d8"
"79de7c0046dc4996d9e773f4bc9efe5738829adb26c81b37c93a1b270b20329d"
"658675fc6ea534e0810a4432826bf58c941efb65d57a338bbd2e26640f89ffbc"
"1a858efcb8550ee3a5e1998bd177e93a7363c344fe6b199ee5d02e82d522c4fe"
"ba15452f80288a821a579116ec6dad2b3b310da903401aa62100ab5d1a36553e"
"06203b33890cc9b832f79ef80560ccb9a39ce767967ed628c6ad573cb116dbef"
"efd75499da96bd68a8a97b928a8bbc103b6621fcde2beca1231d206be6cd9ec7"
"aff6f6c94fcd7204ed3455c68c83f4a41da4af2b74ef5c53f1d8ac70bdcb7ed1"
"85ce81bd84359d44254d95629e9855a94a7c1958d1f8ada5d0532ed8a5aa3fb2"
"d17ba70eb6248e594e1a2297acbbb39d502f1a8c6eb6f1ce22b3de1a1f40cc24"
"554119a831a9aad6079cad88425de6bde1a9187ebb6092cf67bf2b13fd65f270"
"88d78b7e883c8759d2c4f5c65adb7553878ad575f9fad878e80a0c9ba63bcbcc"
"2732e69485bbc9c90bfbd62481d9089beccf80cfe2df16a2cf65bd92dd597b07"
"07e0917af48bbb75fed413d238f5555a7a569d80c3414a8d0859dc65a46128ba"
"b27af87a71314f318c782b23ebfe808b82b0ce26401d2e22f04d83d1255dc51a"
"ddd3b75a2b1ae0784504df543af8969be3ea7082ff7fc9888c144da2af58429e"
"c96031dbcad3dad9af0dcbaaaf268cb8fcffead94f3c7ca495e056a9b47acdb7"
"51fb73e666c6c655ade8297297d07ad1ba5e43f1bca32301651339e22904cc8c"
"42f58c30c04aafdb038dda0847dd988dcda6f3bfd15c4b4c4525004aa06eeff8"
"ca61783aacec57fb3d1f92b0fe2fd1a85f6724517b65e614ad6808d6f6ee34df"
"f7310fdc82aebfd904b01e1dc54b2927094b2db68d6f903b68401adebf5a7e08"
"d78ff4ef5d63653a65040cf9bfd4aca7984a74d37145986780fc0b16ac451649"
"de6188a7dbdf191f64b5fc5e2ab47b57f7f7276cd419c17a3ca8e1b939ae49e4"
"88acba6b965610b5480109c8b17b80e1b7b750dfc7598d5d5011fd2dcc5600a3"
"2ef5b52a1ecc820e308aa342721aac0943bf6686b64b2579376504ccc493d97e"
"6aed3fb0f9cd71a43dd497f01f17c0e2cb3797aa2a2f256656168e6c496afc5f"
"b93246f6b1116398a346f1a641f3b041e989f7914f90cc2c7fff357876e506b5"
"0d334ba77c225bc307ba537152f3f1610e4eafe595f6d9d90d11faa933a15ef1"
"369546868a7f3a45a96768d40fd9d03412c091c6315cf4fde7cb68606937380d"
"b2eaaa707b4c4185c32eddcdd306705e4dc1ffc872eeee475a64dfac86aba41c"
"0618983f8741c5ef68d3a101e8a3b8cac60c905c15fc910840b94c00a0b9d0",
/* SIGNATURE */
"0aab4c900501b3e24d7cdf4663326a3a87df5e4843b2cbdb67cbf6e460fec350"
"aa5371b1508f9f4528ecea23c436d94b5e8fcd4f681e30a6ac00a9704a188a03",
/* CONTEXT */
NULL
},
{
/* SECRET KEY */
"833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42",
/* PUBLIC KEY */
"ec172b93ad5e563bf4932c70e1245034c35467ef2efd4d64ebf819683467e2bf",
/* MESSAGE (length 64 bytes) */
"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
"2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
/* SIGNATURE */
"dc2a4459e7369633a52b1bf277839a00201009a3efbf3ecb69bea2186c26b589"
"09351fc9ac90b3ecfdfbc7c66431e0303dca179c138ac17ad9bef1177331a704",
/* CONTEXT */
NULL
}
};
unsigned int n;
unsigned long mlen, slen, plen, siglen, buflen;
unsigned char msg[1024], sec[32], pub[32], sig[64], buf[64];
curve25519_key key, key2;
int ret;
const int should = 1;
for (n = 0; n < sizeof(rfc_8032_7_1)/sizeof(rfc_8032_7_1[0]); ++n) {
slen = sizeof(sec);
DO(base16_decode(rfc_8032_7_1[n].secret_key, XSTRLEN(rfc_8032_7_1[n].secret_key), sec, &slen));
plen = sizeof(pub);
DO(base16_decode(rfc_8032_7_1[n].public_key, XSTRLEN(rfc_8032_7_1[n].public_key), pub, &plen));
mlen = sizeof(msg);
DO(base16_decode(rfc_8032_7_1[n].message, XSTRLEN(rfc_8032_7_1[n].message), msg, &mlen));
siglen = sizeof(sig);
DO(base16_decode(rfc_8032_7_1[n].signature, XSTRLEN(rfc_8032_7_1[n].signature), sig, &siglen));
DO(ed25519_import_raw(sec, slen, PK_PRIVATE, &key));
buflen = sizeof(buf);
DO(ed25519_sign(msg, mlen, buf, &buflen, &key));
DO(do_compare_testvector(buf, buflen, sig, siglen, "Ed25519 RFC8032 7.1 - sign", n));
DO(ed25519_verify(msg, mlen, sig, siglen, &ret, &key));
DO(do_compare_testvector(&ret, sizeof(ret), &should, sizeof(should), "Ed25519 RFC8032 7.1 - verify w/ privkey", n));
xor_shuffle(sig, siglen, 0x8u);
DO( ed25519_verify(msg, mlen, sig, siglen, &ret, &key));
ENSUREX(ret != 1, "ed25519_verify is expected to fail on the modified signature");
xor_shuffle(msg, mlen, 0xfu);
DO( ed25519_verify(msg, mlen, sig, siglen, &ret, &key));
ENSUREX(ret != 1, "ed25519_verify is expected to fail on the modified message");
plen = sizeof(pub);
DO(base16_decode(rfc_8032_7_1[n].public_key, XSTRLEN(rfc_8032_7_1[n].public_key), pub, &plen));
mlen = sizeof(msg);
DO(base16_decode(rfc_8032_7_1[n].message, XSTRLEN(rfc_8032_7_1[n].message), msg, &mlen));
siglen = sizeof(sig);
DO(base16_decode(rfc_8032_7_1[n].signature, XSTRLEN(rfc_8032_7_1[n].signature), sig, &siglen));
DO(ed25519_import_raw(pub, plen, PK_PUBLIC, &key2));
DO(ed25519_verify(msg, mlen, sig, siglen, &ret, &key2));
DO(do_compare_testvector(&ret, sizeof(ret), &should, sizeof(should), "Ed25519 RFC8032 7.1 - verify w/ pubkey", n));
zeromem(&key, sizeof(key));
zeromem(&key2, sizeof(key2));
}
return CRYPT_OK;
}
static int s_rfc_8032_7_2_test(void)
{
const rfc_8032_7_t rfc_8032_7_2[] = {
{
/* SECRET KEY */
"0305334e381af78f141cb666f6199f57bc3495335a256a95bd2a55bf546663f6",
/* PUBLIC KEY */
"dfc9425e4f968f7f0c29f0259cf5f9aed6851c2bb4ad8bfb860cfee0ab248292",
/* MESSAGE (length 16 bytes) */
"f726936d19c800494e3fdaff20b276a8",
/* SIGNATURE */
"55a4cc2f70a54e04288c5f4cd1e45a7bb520b36292911876cada7323198dd87a"
"8b36950b95130022907a7fb7c4e9b2d5f6cca685a587b4b21f4b888e4e7edb0d",
/* CONTEXT */
"666f6f",
},
{
/* SECRET KEY */
"0305334e381af78f141cb666f6199f57bc3495335a256a95bd2a55bf546663f6",
/* PUBLIC KEY */
"dfc9425e4f968f7f0c29f0259cf5f9aed6851c2bb4ad8bfb860cfee0ab248292",
/* MESSAGE (length 16 bytes) */
"f726936d19c800494e3fdaff20b276a8",
/* SIGNATURE */
"fc60d5872fc46b3aa69f8b5b4351d5808f92bcc044606db097abab6dbcb1aee3"
"216c48e8b3b66431b5b186d1d28f8ee15a5ca2df6668346291c2043d4eb3e90d",
/* CONTEXT */
"626172",
},
{
/* SECRET KEY */
"0305334e381af78f141cb666f6199f57bc3495335a256a95bd2a55bf546663f6",
/* PUBLIC KEY */
"dfc9425e4f968f7f0c29f0259cf5f9aed6851c2bb4ad8bfb860cfee0ab248292",
/* MESSAGE (length 16 bytes) */
"508e9e6882b979fea900f62adceaca35",
/* SIGNATURE */
"8b70c1cc8310e1de20ac53ce28ae6e7207f33c3295e03bb5c0732a1d20dc6490"
"8922a8b052cf99b7c4fe107a5abb5b2c4085ae75890d02df26269d8945f84b0b",
/* CONTEXT */
"666f6f",
},
{
/* SECRET KEY */
"ab9c2853ce297ddab85c993b3ae14bcad39b2c682beabc27d6d4eb20711d6560",
/* PUBLIC KEY */
"0f1d1274943b91415889152e893d80e93275a1fc0b65fd71b4b0dda10ad7d772",
/* MESSAGE (length 16 bytes) */
"f726936d19c800494e3fdaff20b276a8",
/* SIGNATURE */
"21655b5f1aa965996b3f97b3c849eafba922a0a62992f73b3d1b73106a84ad85"
"e9b86a7b6005ea868337ff2d20a7f5fbd4cd10b0be49a68da2b2e0dc0ad8960f",
/* CONTEXT */
"666f6f",
}
};
unsigned int n;
unsigned long mlen, slen, plen, siglen, buflen, ctxlen;
unsigned char msg[1024], sec[32], pub[32], sig[64], buf[64], ctx[64];
curve25519_key key, key2;
int ret;
const int should = 1;
for (n = 0; n < sizeof(rfc_8032_7_2)/sizeof(rfc_8032_7_2[0]); ++n) {
slen = sizeof(sec);
DO(base16_decode(rfc_8032_7_2[n].secret_key, XSTRLEN(rfc_8032_7_2[n].secret_key), sec, &slen));
plen = sizeof(pub);
DO(base16_decode(rfc_8032_7_2[n].public_key, XSTRLEN(rfc_8032_7_2[n].public_key), pub, &plen));
mlen = sizeof(msg);
DO(base16_decode(rfc_8032_7_2[n].message, XSTRLEN(rfc_8032_7_2[n].message), msg, &mlen));
siglen = sizeof(sig);
DO(base16_decode(rfc_8032_7_2[n].signature, XSTRLEN(rfc_8032_7_2[n].signature), sig, &siglen));
ctxlen = sizeof(ctx);
DO(base16_decode(rfc_8032_7_2[n].context, XSTRLEN(rfc_8032_7_2[n].context), ctx, &ctxlen));
buflen = sizeof(buf);
DO(ed25519_import_raw(sec, slen, PK_PRIVATE, &key));
DO(ed25519ctx_sign(msg, mlen, buf, &buflen, ctx, ctxlen, &key));
DO(do_compare_testvector(buf, buflen, sig, siglen, "Ed25519 RFC8032 7.2 - sign", n));
DO(ed25519ctx_verify(msg, mlen, buf, buflen, ctx, ctxlen, &ret, &key));
ENSUREX(ret == should, "Ed25519 RFC8032 7.2 - verify w/ privkey");
DO(ed25519_import_raw(pub, plen, PK_PUBLIC, &key2));
DO(ed25519ctx_verify(msg, mlen, sig, siglen, ctx, ctxlen, &ret, &key2));
ENSUREX(ret == should, "Ed25519 RFC8032 7.2 - verify w/ pubkey");
xor_shuffle(buf, buflen, 0x4u);
DO(ed25519ctx_verify(msg, mlen, buf, buflen, ctx, ctxlen, &ret, &key));
ENSUREX(ret != 1, "ed25519ctx_verify is expected to fail on the modified signature");
xor_shuffle(msg, mlen, 0x8u);
DO(ed25519ctx_verify(msg, mlen, buf, buflen, ctx, ctxlen, &ret, &key));
ENSUREX(ret != 1, "ed25519ctx_verify is expected to fail on the modified message");
zeromem(&key, sizeof(key));
zeromem(&key2, sizeof(key2));
}
return CRYPT_OK;
}
static int s_rfc_8032_7_3_test(void)
{
const rfc_8032_7_t rfc_8032_7_3[] = {
{
/* SECRET KEY */
"833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42",
/* PUBLIC KEY */
"ec172b93ad5e563bf4932c70e1245034c35467ef2efd4d64ebf819683467e2bf",
/* MESSAGE (length 16 bytes) */
"616263",
/* SIGNATURE */
"98a70222f0b8121aa9d30f813d683f809e462b469c7ff87639499bb94e6dae41"
"31f85042463c2a355a2003d062adf5aaa10b8c61e636062aaad11c2a26083406",
/* CONTEXT */
NULL
},
};
unsigned long mlen, slen, plen, siglen, buflen;
unsigned char msg[1024], sec[32], pub[32], sig[64], buf[64];
curve25519_key key;
int ret;
const int should = 1;
buflen = sizeof(buf);
slen = sizeof(sec);
DO(base16_decode(rfc_8032_7_3[0].secret_key, XSTRLEN(rfc_8032_7_3[0].secret_key), sec, &slen));
plen = sizeof(pub);
DO(base16_decode(rfc_8032_7_3[0].public_key, XSTRLEN(rfc_8032_7_3[0].public_key), pub, &plen));
mlen = sizeof(msg);
DO(base16_decode(rfc_8032_7_3[0].message, XSTRLEN(rfc_8032_7_3[0].message), msg, &mlen));
siglen = sizeof(sig);
DO(base16_decode(rfc_8032_7_3[0].signature, XSTRLEN(rfc_8032_7_3[0].signature), sig, &siglen));
DO(ed25519_import_raw(sec, slen, PK_PRIVATE, &key));
DO(ed25519ph_sign(msg, mlen, buf, &buflen, NULL, 0, &key));
DO(do_compare_testvector(buf, buflen, sig, siglen, "Ed25519 RFC8032 7.3 - sign", 0));
DO(ed25519ph_verify(msg, mlen, buf, buflen, NULL, 0, &ret, &key));
ENSUREX(ret == should, "Ed25519 RFC8032 7.3 - verify w/ privkey");
return CRYPT_OK;
}
/**
Test the ed25519 system
@return CRYPT_OK if successful
*/
int ed25519_test(void)
{
int ret;
curve25519_key key;
if ((ret = ed25519_make_key(&yarrow_prng, find_prng("yarrow"), &key)) != CRYPT_OK) {
return ret;
}
if (ltc_mp.name == NULL) return CRYPT_NOP;
if ((ret = s_rfc_8410_10_test()) != CRYPT_OK) {
return ret;
}
if ((ret = s_rfc_8032_7_1_test()) != CRYPT_OK) {
return ret;
}
if ((ret = s_rfc_8032_7_2_test()) != CRYPT_OK) {
return ret;
}
if ((ret = s_rfc_8032_7_3_test()) != CRYPT_OK) {
return ret;
}
return ret;
}
#else
int ed25519_test(void)
{
return CRYPT_NOP;
}
#endif