hmac_md5_key
#define HMAC_MD5_KEY(tfm) ((struct hmac_md5_key *)crypto_shash_ctx(tfm))
.base.cra_ctxsize = sizeof(struct hmac_md5_key),
void hmac_md5_preparekey(struct hmac_md5_key *key,
void hmac_md5_init(struct hmac_md5_ctx *ctx, const struct hmac_md5_key *key);
void hmac_md5(const struct hmac_md5_key *key,
void hmac_md5_preparekey(struct hmac_md5_key *key,
void hmac_md5_init(struct hmac_md5_ctx *ctx, const struct hmac_md5_key *key)
void hmac_md5(const struct hmac_md5_key *key,
#define HMAC_KEY hmac_md5_key