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Refactor the chacha20 differential fuzz test

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stratospher
2021-12-17 23:04:04 +05:30
parent 4ad59042b3
commit 8f79831ab5
1 changed files with 2 additions and 3 deletions
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5
src/test/fuzz/crypto_diff_fuzz_chacha20.cpp
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@@ -314,9 +314,7 @@ FUZZ_TARGET(crypto_diff_fuzz_chacha20)
chacha20.Keystream(output.data(), output.size()); chacha20.Keystream(output.data(), output.size());
std::vector<uint8_t> djb_output(integralInRange); std::vector<uint8_t> djb_output(integralInRange);
ECRYPT_keystream_bytes(&ctx, djb_output.data(), djb_output.size()); ECRYPT_keystream_bytes(&ctx, djb_output.data(), djb_output.size());
if (output.data() != NULL && djb_output.data() != NULL) { assert(output == djb_output);
assert(memcmp(output.data(), djb_output.data(), integralInRange) == 0);
}
}, },
[&] { [&] {
uint32_t integralInRange = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096); uint32_t integralInRange = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096);
@@ -325,6 +323,7 @@ FUZZ_TARGET(crypto_diff_fuzz_chacha20)
chacha20.Crypt(input.data(), output.data(), input.size()); chacha20.Crypt(input.data(), output.data(), input.size());
std::vector<uint8_t> djb_output(integralInRange); std::vector<uint8_t> djb_output(integralInRange);
ECRYPT_encrypt_bytes(&ctx, input.data(), djb_output.data(), input.size()); ECRYPT_encrypt_bytes(&ctx, input.data(), djb_output.data(), input.size());
assert(output == djb_output);
}); });
} }
} }