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fuzz: Introduce CallOneOf helper to replace switch-case

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MarcoFalke
2021-01-02 13:38:14 +01:00
parent 9c0b76c709
commit fa75d40ef8
19 changed files with 1097 additions and 1217 deletions
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47
src/test/fuzz/crypto_chacha20.cpp
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@@ -20,31 +20,26 @@ FUZZ_TARGET(crypto_chacha20)
chacha20 = ChaCha20{key.data(), key.size()};
}
while (fuzzed_data_provider.ConsumeBool()) {
switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 4)) {
case 0: {
const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32));
chacha20.SetKey(key.data(), key.size());
break;
}
case 1: {
chacha20.SetIV(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
}
case 2: {
chacha20.Seek(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
break;
}
case 3: {
std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
chacha20.Keystream(output.data(), output.size());
break;
}
case 4: {
std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
const std::vector<uint8_t> input = ConsumeFixedLengthByteVector(fuzzed_data_provider, output.size());
chacha20.Crypt(input.data(), output.data(), input.size());
break;
}
}
CallOneOf(
fuzzed_data_provider,
[&] {
const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32));
chacha20.SetKey(key.data(), key.size());
},
[&] {
chacha20.SetIV(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
},
[&] {
chacha20.Seek(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
},
[&] {
std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
chacha20.Keystream(output.data(), output.size());
},
[&] {
std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
const std::vector<uint8_t> input = ConsumeFixedLengthByteVector(fuzzed_data_provider, output.size());
chacha20.Crypt(input.data(), output.data(), input.size());
});
}
}