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Meta: Add fuzzer for Poly1305

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stelar7 2022-04-07 10:21:51 +02:00 • committed by Ali Mohammad Pur
parent c237991222
commit ce08fae13b
2 changed files with 24 additions and 0 deletions
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1
Meta/Lagom/Fuzzers/CMakeLists.txt
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@ -36,6 +36,7 @@ add_simple_fuzzer(FuzzPEM LagomCrypto)
add_simple_fuzzer(FuzzPNGLoader LagomGfx) add_simple_fuzzer(FuzzPNGLoader LagomGfx)
add_simple_fuzzer(FuzzPBMLoader LagomGfx) add_simple_fuzzer(FuzzPBMLoader LagomGfx)
add_simple_fuzzer(FuzzPGMLoader LagomGfx) add_simple_fuzzer(FuzzPGMLoader LagomGfx)
add_simple_fuzzer(FuzzPoly1305 LagomCrypto)
add_simple_fuzzer(FuzzPPMLoader LagomGfx) add_simple_fuzzer(FuzzPPMLoader LagomGfx)
add_simple_fuzzer(FuzzPDF LagomPDF) add_simple_fuzzer(FuzzPDF LagomPDF)
add_simple_fuzzer(FuzzQOILoader LagomGfx) add_simple_fuzzer(FuzzQOILoader LagomGfx)

23
Meta/Lagom/Fuzzers/FuzzPoly1305.cpp Normal file
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@ -0,0 +1,23 @@
/*
* Copyright (c) 2022, stelar7 <dudedbz@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCrypto/Authentication/Poly1305.h>
#include <stddef.h>
#include <stdint.h>
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
{
if (size < 32)
return 0;
auto initial = ReadonlyBytes { data, 32 };
auto message = ReadonlyBytes { data + 32, size - 32 };
Crypto::Authentication::Poly1305 mac(initial);
mac.update(message);
(void)mac.digest();
return 0;
}