diff options
Diffstat (limited to 'src/crypto.c')
| -rw-r--r-- | src/crypto.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/crypto.c b/src/crypto.c index 72ccb34..bd80242 100644 --- a/src/crypto.c +++ b/src/crypto.c @@ -953,42 +953,6 @@ void blake2s(uint8_t *out, const uint8_t *in, const uint8_t *key, blake2s_update(&state, in, inlen); blake2s_final(&state, out); } - -void blake2s_hmac(uint8_t *out, const uint8_t *in, const uint8_t *key, const size_t outlen, - const size_t inlen, const size_t keylen) -{ - struct blake2s_state state; - uint8_t x_key[BLAKE2S_BLOCK_SIZE] __aligned(sizeof(uint32_t)) = { 0 }; - uint8_t i_hash[BLAKE2S_HASH_SIZE] __aligned(sizeof(uint32_t)); - int i; - - if (keylen > BLAKE2S_BLOCK_SIZE) { - blake2s_init(&state, BLAKE2S_HASH_SIZE); - blake2s_update(&state, key, keylen); - blake2s_final(&state, x_key); - } else - memcpy(x_key, key, keylen); - - for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i) - x_key[i] ^= 0x36; - - blake2s_init(&state, BLAKE2S_HASH_SIZE); - blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE); - blake2s_update(&state, in, inlen); - blake2s_final(&state, i_hash); - - for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i) - x_key[i] ^= 0x5c ^ 0x36; - - blake2s_init(&state, BLAKE2S_HASH_SIZE); - blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE); - blake2s_update(&state, i_hash, BLAKE2S_HASH_SIZE); - blake2s_final(&state, i_hash); - - memcpy(out, i_hash, outlen); - explicit_bzero(x_key, BLAKE2S_BLOCK_SIZE); - explicit_bzero(i_hash, BLAKE2S_HASH_SIZE); -} #endif #ifdef COMPAT_NEED_CURVE25519 |