CHCR_HASH_MAX_DIGEST_SIZE
CHCR_HASH_MAX_DIGEST_SIZE),
CHCR_HASH_MAX_DIGEST_SIZE);
CHCR_HASH_MAX_DIGEST_SIZE);
u8 h_iopad[2 * CHCR_HASH_MAX_DIGEST_SIZE];
u8 partial_hash[CHCR_HASH_MAX_DIGEST_SIZE];