frost/secp256k1-zkp
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Covert several more files to C89.

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This commit is contained in:
Gregory Maxwell
2015-01-24 23:34:09 +00:00
parent 45cdf4479d
commit 792bcdb015
5 changed files with 68 additions and 52 deletions
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9
src/hash_impl.h
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@@ -174,6 +174,7 @@ static void secp256k1_sha256_finalize(secp256k1_sha256_t *hash, unsigned char *o
}
static void secp256k1_hmac_sha256_initialize(secp256k1_hmac_sha256_t *hash, const unsigned char *key, size_t keylen) {
int n;
unsigned char rkey[64];
if (keylen <= 64) {
memcpy(rkey, key, keylen);
@@ -187,12 +188,12 @@ static void secp256k1_hmac_sha256_initialize(secp256k1_hmac_sha256_t *hash, cons
}
secp256k1_sha256_initialize(&hash->outer);
for (int n = 0; n < 64; n++)
for (n = 0; n < 64; n++)
rkey[n] ^= 0x5c;
secp256k1_sha256_write(&hash->outer, rkey, 64);
secp256k1_sha256_initialize(&hash->inner);
for (int n = 0; n < 64; n++)
for (n = 0; n < 64; n++)
rkey[n] ^= 0x5c ^ 0x36;
secp256k1_sha256_write(&hash->inner, rkey, 64);
memset(rkey, 0, 64);
@@ -212,13 +213,13 @@ static void secp256k1_hmac_sha256_finalize(secp256k1_hmac_sha256_t *hash, unsign
static void secp256k1_rfc6979_hmac_sha256_initialize(secp256k1_rfc6979_hmac_sha256_t *rng, const unsigned char *key, size_t keylen, const unsigned char *msg, size_t msglen) {
secp256k1_hmac_sha256_t hmac;
static const unsigned char zero[1] = {0x00};
static const unsigned char one[1] = {0x01};
memset(rng->v, 0x01, 32);
memset(rng->k, 0x00, 32);
secp256k1_hmac_sha256_t hmac;
secp256k1_hmac_sha256_initialize(&hmac, rng->k, 32);
secp256k1_hmac_sha256_write(&hmac, rng->v, 32);
secp256k1_hmac_sha256_write(&hmac, zero, 1);
@@ -256,10 +257,10 @@ static void secp256k1_rfc6979_hmac_sha256_generate(secp256k1_rfc6979_hmac_sha256
while (outlen > 0) {
secp256k1_hmac_sha256_t hmac;
int now = outlen;
secp256k1_hmac_sha256_initialize(&hmac, rng->k, 32);
secp256k1_hmac_sha256_write(&hmac, rng->v, 32);
secp256k1_hmac_sha256_finalize(&hmac, rng->v);
int now = outlen;
if (now > 32) {
now = 32;
}