diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /security/nss/fuzz/mpi_mulmod_target.cc | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | security/nss/fuzz/mpi_mulmod_target.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/security/nss/fuzz/mpi_mulmod_target.cc b/security/nss/fuzz/mpi_mulmod_target.cc new file mode 100644 index 0000000000..75585e2d76 --- /dev/null +++ b/security/nss/fuzz/mpi_mulmod_target.cc @@ -0,0 +1,27 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * This target fuzzes NSS mpi against openssl bignum. + * It therefore requires openssl to be installed. + */ + +#include "mpi_helper.h" + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + // We require at least size 3 to get two integers from Data. + if (size < 3) { + return 0; + } + INIT_FOUR_NUMBERS + + auto modulus = get_modulus(data, size, ctx); + // Compare with OpenSSL mul mod + m1 = &std::get<1>(modulus); + assert(mp_mulmod(&a, &b, m1, &c) == MP_OKAY); + (void)BN_mod_mul(C, A, B, std::get<0>(modulus), ctx); + check_equal(C, &c, max_size); + + CLEANUP_AND_RETURN +} |