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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/libdnssec/random.c | |
parent | Initial commit. (diff) | |
download | knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.tar.xz knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libdnssec/random.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/libdnssec/random.c b/src/libdnssec/random.c new file mode 100644 index 0000000..30b0c2d --- /dev/null +++ b/src/libdnssec/random.c @@ -0,0 +1,53 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <assert.h> +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <stddef.h> +#include <stdint.h> + +#include "libdnssec/error.h" +#include "libdnssec/random.h" +#include "libdnssec/shared/shared.h" + +/* -- public API ----------------------------------------------------------- */ + +_public_ +int dnssec_random_buffer(uint8_t *data, size_t size) +{ + if (!data) { + return DNSSEC_EINVAL; + } + + int result = gnutls_rnd(GNUTLS_RND_RANDOM, data, size); + if (result != 0) { + assert_unreachable(); + return DNSSEC_ERROR; + } + + return DNSSEC_EOK; +} + +_public_ +int dnssec_random_binary(dnssec_binary_t *binary) +{ + if (!binary) { + return DNSSEC_EINVAL; + } + + return dnssec_random_buffer(binary->data, binary->size); +} |