apr_status_t SEAL_KEY_CREATE(apr_pool_t *p, struct seal_key **skey,
struct databuf *keys);
+apr_status_t HMAC_BUFFER(struct seal_key *skey, struct databuf *buffer,
+ struct databuf *result);
apr_status_t SEAL_BUFFER(apr_pool_t *p, struct seal_key *skey,
struct databuf *plain, struct databuf *cipher);
apr_status_t UNSEAL_BUFFER(apr_pool_t *p, struct seal_key *skey,
struct databuf *cipher, struct databuf *plain);
+int get_mac_size(struct seal_key *skey);