static void bench_mac_do_bench (struct bench_obj *obj, void *buf, size_t buflen) { gcry_mac_hd_t hd = obj->priv; size_t bs; char b; gcry_mac_reset (hd); gcry_mac_write (hd, buf, buflen); bs = sizeof(b); gcry_mac_read (hd, &b, &bs); }
int qcrypto_hmac_bytesv(QCryptoHmac *hmac, const struct iovec *iov, size_t niov, uint8_t **result, size_t *resultlen, Error **errp) { QCryptoHmacGcrypt *ctx; gcry_error_t err; uint32_t ret; int i; ctx = hmac->opaque; for (i = 0; i < niov; i++) { gcry_mac_write(ctx->handle, iov[i].iov_base, iov[i].iov_len); } ret = gcry_mac_get_algo_maclen(qcrypto_hmac_alg_map[hmac->alg]); if (ret <= 0) { error_setg(errp, "Unable to get hmac length: %s", gcry_strerror(ret)); return -1; } if (*resultlen == 0) { *resultlen = ret; *result = g_new0(uint8_t, *resultlen); } else if (*resultlen != ret) { error_setg(errp, "Result buffer size %zu is smaller than hmac %d", *resultlen, ret); return -1; } err = gcry_mac_read(ctx->handle, *result, resultlen); if (err != 0) { error_setg(errp, "Cannot get result: %s", gcry_strerror(err)); return -1; } err = gcry_mac_reset(ctx->handle); if (err != 0) { error_setg(errp, "Cannot reset hmac context: %s", gcry_strerror(err)); return -1; } return 0; }