dst_hmacsha1_key_t
dst_hmacsha1_key_t *hmacsha1;
dst_hmacsha1_key_t *hkey = key->keydata.hmacsha1;
dst_hmacsha1_key_t *hkey;
dst_hmacsha1_key_t *hkey;
hkey = malloc(sizeof(dst_hmacsha1_key_t));
dst_hmacsha1_key_t *hkey = key->keydata.hmacsha1;