j3d1/bearssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

New basic implementation of Curve25519 (generic i15 code, experimental).

Browse source
This commit is contained in:
Thomas Pornin 2017-01-15 03:32:13 +01:00
parent ef318ef83a
commit 2f9c953af4
9 changed files with 448 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

55
test/test_crypto.c
View file

@ -4912,12 +4912,60 @@ test_EC_prime_i31(void)
}
static void
test_EC_p256_i15(void)
test_EC_p256_m15(void)
{
test_EC_KAT("EC_p256_i15", &br_ec_p256_i15,
test_EC_KAT("EC_p256_m15", &br_ec_p256_m15,
(uint32_t)1 << BR_EC_secp256r1);
}
const struct {
const char *scalar;
const char *u_in;
const char *u_out;
} C25519_KAT[] = {
{ "A546E36BF0527C9D3B16154B82465EDD62144C0AC1FC5A18506A2244BA449AC4",
"E6DB6867583030DB3594C1A424B15F7C726624EC26B3353B10A903A6D0AB1C4C",
"C3DA55379DE9C6908E94EA4DF28D084F32ECCF03491C71F754B4075577A28552" },
{ "4B66E9D4D1B4673C5AD22691957D6AF5C11B6421E0EA01D42CA4169E7918BA0D",
"E5210F12786811D3F4B7959D0538AE2C31DBE7106FC03C3EFC4CD549C715A493",
"95CBDE9476E8907D7AADE45CB4B873F88B595A68799FA152E6F8F7647AAC7957" },
{ 0, 0, 0 }
};
static void
test_EC_c25519(const char *name, const br_ec_impl *iec)
{
size_t v;
printf("Test %s: ", name);
fflush(stdout);
for (v = 0; C25519_KAT[v].scalar; v ++) {
unsigned char bu[32], bk[32], br[32];
hextobin(bk, C25519_KAT[v].scalar);
hextobin(bu, C25519_KAT[v].u_in);
hextobin(br, C25519_KAT[v].u_out);
if (!iec->mul(bu, sizeof bu, bk, sizeof bk, BR_EC_curve25519)) {
fprintf(stderr, "Curve25519 multiplication failed\n");
exit(EXIT_FAILURE);
}
if (memcmp(bu, br, sizeof bu) != 0) {
fprintf(stderr, "Curve25519 failed KAT\n");
exit(EXIT_FAILURE);
}
printf(".");
fflush(stdout);
}
printf(" done.\n");
fflush(stdout);
}
static void
test_EC_c25519_i15(void)
{
test_EC_c25519("EC_c25519_i15", &br_ec_c25519_i15);
}
static const unsigned char EC_P256_PUB_POINT[] = {
0x04, 0x60, 0xFE, 0xD4, 0xBA, 0x25, 0x5A, 0x9D,
0x31, 0xC9, 0x61, 0xEB, 0x74, 0xC6, 0x35, 0x6D,
@ -5462,8 +5510,9 @@ static const struct {
STU(GHASH_ctmul64),
STU(EC_prime_i15),
STU(EC_prime_i31),
STU(EC_p256_i15),
STU(EC_p256_m15),
/* STU(EC_prime_i32), */
STU(EC_c25519_i15),
STU(ECDSA_i15),
STU(ECDSA_i31),
{ 0, 0 }