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unit: add ECDH test vector

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RFC 5114 defines a test vector for each ECP group. These values were
hard coded into a new ECDH unit test.
This commit is contained in:
James Prestwood 2018-11-19 11:48:24 -08:00 committed by Denis Kenzior
parent c3abfde025
commit 44c4074c35
1 changed files with 39 additions and 0 deletions
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39
unit/test-ecdh.c
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@ -81,11 +81,50 @@ static void test_compliant_key(const void *data)
assert(!memcmp(secret1, secret2, 32));
}
/*
* Test vector from RFC 5114 - 256-bit Random ECP Group
*/
static void test_vectors(const void *data)
{
uint64_t a_secret[4] = { 0x867B7291D507A3AFull, 0x3FAF432A5ABCE59Eull,
0xE96A8E337A128499ull, 0x814264145F2F56F2ull };
struct ecc_point a_public = {
.x = { 0x5E8D3B4BA83AEB15ull, 0x7165BE50BC42AE4Aull,
0xC9B5A8D4160D09E9ull, 0x2AF502F3BE8952F2ull },
.y = { 0xC0F5015ECE5EFD85ull, 0x6795BD4BFF6E6DE3ull,
0x8681A0F9872D79D5ull, 0xEB0FAF4CA986C4D3ull }
};
uint64_t b_secret[4] = { 0xEE1B593761CF7F41ull, 0x19CE6BCCAD562B8Eull,
0xDB95A200CC0AB26Aull, 0x2CE1788EC197E096ull };
struct ecc_point b_public = {
.x = { 0xB3AB0715F6CE51B0ull, 0xAE06AAEA279FA775ull,
0x5346E8DE6C2C8646ull, 0xB120DE4AA3649279ull },
.y = { 0x85C34DDE5708B2B6ull, 0x3727027092A84113ull,
0xD8EC685FA3F071D8ull, 0x9F1B7EECE20D7B5Eull }
};
uint64_t shared_secret[4] = { 0x7F80D21C820C2788ull,
0xF5811E9DC8EC8EEAull,
0x93310412D19A08F1ull,
0xDD0F5396219D1EA3ull };
uint64_t a_shared[4];
uint64_t b_shared[4];
ecdh_generate_shared_secret(a_secret, (const void *)&b_public, 64,
a_shared, 32);
ecdh_generate_shared_secret(b_secret, (const void *)&a_public, 64,
b_shared, 32);
assert(!memcmp(a_shared, shared_secret, 32));
assert(!memcmp(b_shared, shared_secret, 32));
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("ECDH Basic", test_basic, NULL);
l_test_add("ECDH Compliant key", test_compliant_key, NULL);
l_test_add("ECDH test vector", test_vectors, NULL);
return l_test_run();
}