Daniel P. Berrange | b917da4 | 2015-10-31 14:39:52 +0900 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Crypto random number provider |
| 3 | * |
| 4 | * Copyright (c) 2015-2016 Red Hat, Inc. |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include "qemu/osdep.h" |
| 22 | |
| 23 | #include "crypto/random.h" |
Markus Armbruster | e688df6 | 2018-02-01 12:18:31 +0100 | [diff] [blame] | 24 | #include "qapi/error.h" |
Daniel P. Berrange | b917da4 | 2015-10-31 14:39:52 +0900 | [diff] [blame] | 25 | |
| 26 | #include <gnutls/gnutls.h> |
| 27 | #include <gnutls/crypto.h> |
| 28 | |
| 29 | int qcrypto_random_bytes(uint8_t *buf, |
| 30 | size_t buflen, |
| 31 | Error **errp) |
| 32 | { |
| 33 | int ret; |
| 34 | |
| 35 | ret = gnutls_rnd(GNUTLS_RND_RANDOM, buf, buflen); |
| 36 | |
| 37 | if (ret < 0) { |
| 38 | error_setg(errp, "Cannot get random bytes: %s", |
| 39 | gnutls_strerror(ret)); |
| 40 | return -1; |
| 41 | } |
| 42 | |
| 43 | return 0; |
| 44 | } |
Geert Martin Ijewski | a372781 | 2017-04-26 00:15:01 +0200 | [diff] [blame] | 45 | |
| 46 | |
| 47 | int qcrypto_random_init(Error **errp G_GNUC_UNUSED) { return 0; } |