sctp_hmac_update
sctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);
sctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *)+m_offset,
sctp_hmac_update(hmac_algo, &ctx, mtod(m_tmp, uint8_t *)+m_offset,
sctp_hmac_update(hmac_algo, &ctx, opad, blocklen);
sctp_hmac_update(hmac_algo, &ctx, temp, digestlen);
sctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);
sctp_hmac_update(hmac_algo, &ctx, key->key, key->keylen);
sctp_hmac_update(hmac_algo, &ctx, key, keylen);
sctp_hmac_update(hmac_algo, &ctx, ipad, blocklen);
sctp_hmac_update(hmac_algo, &ctx, text, textlen);
sctp_hmac_update(hmac_algo, &ctx, opad, blocklen);
sctp_hmac_update(hmac_algo, &ctx, temp, digestlen);
sctp_hmac_update(hmac_algo, &ctx, key, keylen);