diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-09-24 22:02:13 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-09-25 03:01:21 +0200 |
| commit | 6b7d734ee75319cc421c57f47d295ed911033947 (patch) | |
| tree | 8176c3bd3b3e4e9c0157b256d11749530dbfd5e9 /src/noise.c | |
| parent | 3106f71185676be1b95a814e9015525dd17ab19c (diff) | |
crypto: make constant naming scheme consistent
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/noise.c')
| -rw-r--r-- | src/noise.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/noise.c b/src/noise.c index 1d5d48b..7ab3890 100644 --- a/src/noise.c +++ b/src/noise.c @@ -286,19 +286,19 @@ static void kdf(u8 *first_dst, u8 *second_dst, u8 *third_dst, const u8 *data, size_t first_len, size_t second_len, size_t third_len, size_t data_len, const u8 chaining_key[NOISE_HASH_LEN]) { - u8 output[BLAKE2S_OUTBYTES + 1]; - u8 secret[BLAKE2S_OUTBYTES]; + u8 output[BLAKE2S_HASH_SIZE + 1]; + u8 secret[BLAKE2S_HASH_SIZE]; #ifdef DEBUG - BUG_ON(first_len > BLAKE2S_OUTBYTES || second_len > BLAKE2S_OUTBYTES || - third_len > BLAKE2S_OUTBYTES || + BUG_ON(first_len > BLAKE2S_HASH_SIZE || second_len > BLAKE2S_HASH_SIZE || + third_len > BLAKE2S_HASH_SIZE || ((second_len || second_dst || third_len || third_dst) && (!first_len || !first_dst)) || ((third_len || third_dst) && (!second_len || !second_dst))); #endif /* Extract entropy from data into secret */ - blake2s_hmac(secret, data, chaining_key, BLAKE2S_OUTBYTES, data_len, + blake2s_hmac(secret, data, chaining_key, BLAKE2S_HASH_SIZE, data_len, NOISE_HASH_LEN); if (!first_dst || !first_len) @@ -306,32 +306,32 @@ static void kdf(u8 *first_dst, u8 *second_dst, u8 *third_dst, const u8 *data, /* Expand first key: key = secret, data = 0x1 */ output[0] = 1; - blake2s_hmac(output, output, secret, BLAKE2S_OUTBYTES, 1, - BLAKE2S_OUTBYTES); + blake2s_hmac(output, output, secret, BLAKE2S_HASH_SIZE, 1, + BLAKE2S_HASH_SIZE); memcpy(first_dst, output, first_len); if (!second_dst || !second_len) goto out; /* Expand second key: key = secret, data = first-key || 0x2 */ - output[BLAKE2S_OUTBYTES] = 2; - blake2s_hmac(output, output, secret, BLAKE2S_OUTBYTES, - BLAKE2S_OUTBYTES + 1, BLAKE2S_OUTBYTES); + output[BLAKE2S_HASH_SIZE] = 2; + blake2s_hmac(output, output, secret, BLAKE2S_HASH_SIZE, + BLAKE2S_HASH_SIZE + 1, BLAKE2S_HASH_SIZE); memcpy(second_dst, output, second_len); if (!third_dst || !third_len) goto out; /* Expand third key: key = secret, data = second-key || 0x3 */ - output[BLAKE2S_OUTBYTES] = 3; - blake2s_hmac(output, output, secret, BLAKE2S_OUTBYTES, - BLAKE2S_OUTBYTES + 1, BLAKE2S_OUTBYTES); + output[BLAKE2S_HASH_SIZE] = 3; + blake2s_hmac(output, output, secret, BLAKE2S_HASH_SIZE, + BLAKE2S_HASH_SIZE + 1, BLAKE2S_HASH_SIZE); memcpy(third_dst, output, third_len); out: /* Clear sensitive data from stack */ - memzero_explicit(secret, BLAKE2S_OUTBYTES); - memzero_explicit(output, BLAKE2S_OUTBYTES + 1); + memzero_explicit(secret, BLAKE2S_HASH_SIZE); + memzero_explicit(output, BLAKE2S_HASH_SIZE + 1); } static void symmetric_key_init(struct noise_symmetric_key *key) |