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author | MarcoFalke <falke.marco@gmail.com> | 2021-01-02 13:38:14 +0100 |
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committer | MarcoFalke <falke.marco@gmail.com> | 2021-01-11 10:37:16 +0100 |
commit | fa75d40ef866ef9ff8dc115e239ca6763aa23b06 (patch) | |
tree | 3d96b7ca06ee370ce510ce8ca4e3ce2b4a0c35ba /src/test/fuzz/crypto_chacha20.cpp | |
parent | 9c0b76c709c1d197c4097f654de5f4e8dcef4ac6 (diff) | |
download | bitcoin-fa75d40ef866ef9ff8dc115e239ca6763aa23b06.tar.xz |
fuzz: Introduce CallOneOf helper to replace switch-case
Can be reviewed with --ignore-all-space
Diffstat (limited to 'src/test/fuzz/crypto_chacha20.cpp')
-rw-r--r-- | src/test/fuzz/crypto_chacha20.cpp | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/src/test/fuzz/crypto_chacha20.cpp b/src/test/fuzz/crypto_chacha20.cpp index d751466f11..bb8dd4594f 100644 --- a/src/test/fuzz/crypto_chacha20.cpp +++ b/src/test/fuzz/crypto_chacha20.cpp @@ -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()); + }); } } |