SHA256_HMAC_BLOCK_SIZE
bzero(sha_ipad, SHA256_HMAC_BLOCK_SIZE);
bzero(sha_opad, SHA256_HMAC_BLOCK_SIZE);
if (OBJ_SEC(key)->sk_value_len > SHA256_HMAC_BLOCK_SIZE) {
SHA256_HMAC_BLOCK_SIZE);
(SHA256_HMAC_BLOCK_SIZE/sizeof (uint64_t))
sha_hmac_block_size = SHA256_HMAC_BLOCK_SIZE;
sha_hmac_block_size = SHA256_HMAC_BLOCK_SIZE;
sha_hmac_block_size = SHA256_HMAC_BLOCK_SIZE;
block_size = SHA256_HMAC_BLOCK_SIZE;
blocks_per_int64 = SHA256_HMAC_BLOCK_SIZE / sizeof (uint64_t);
sha_hmac_block_size = SHA256_HMAC_BLOCK_SIZE;