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Add ability to pass extra entropy to rfc6979

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Suggested by Greg Maxwell.
This commit is contained in:
Pieter Wuille
2015-03-20 09:19:38 -07:00
parent 3087bc4d75
commit 1573a102c0
7 changed files with 25 additions and 9 deletions
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12
src/tests.c
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@@ -200,16 +200,24 @@ void run_rfc6979_hmac_sha256_tests(void) {
secp256k1_rfc6979_hmac_sha256_t rng;
unsigned char out[32];
unsigned char zero[1] = {0};
int i;
secp256k1_rfc6979_hmac_sha256_initialize(&rng, key1, 32, msg1, 32);
secp256k1_rfc6979_hmac_sha256_initialize(&rng, key1, 32, msg1, 32, NULL, 1);
for (i = 0; i < 3; i++) {
secp256k1_rfc6979_hmac_sha256_generate(&rng, out, 32);
CHECK(memcmp(out, out1[i], 32) == 0);
}
secp256k1_rfc6979_hmac_sha256_finalize(&rng);
secp256k1_rfc6979_hmac_sha256_initialize(&rng, key2, 32, msg2, 32);
secp256k1_rfc6979_hmac_sha256_initialize(&rng, key1, 32, msg1, 32, zero, 1);
for (i = 0; i < 3; i++) {
secp256k1_rfc6979_hmac_sha256_generate(&rng, out, 32);
CHECK(memcmp(out, out1[i], 32) != 0);
}
secp256k1_rfc6979_hmac_sha256_finalize(&rng);
secp256k1_rfc6979_hmac_sha256_initialize(&rng, key2, 32, msg2, 32, zero, 0);
for (i = 0; i < 3; i++) {
secp256k1_rfc6979_hmac_sha256_generate(&rng, out, 32);
CHECK(memcmp(out, out2[i], 32) == 0);