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-rw-r--r--src/test/fuzz/crypto.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/test/fuzz/crypto.cpp b/src/test/fuzz/crypto.cpp
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+++ b/src/test/fuzz/crypto.cpp
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+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <crypto/hmac_sha256.h>
+#include <crypto/hmac_sha512.h>
+#include <crypto/ripemd160.h>
+#include <crypto/sha1.h>
+#include <crypto/sha256.h>
+#include <crypto/sha512.h>
+#include <hash.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+
+#include <cstdint>
+#include <vector>
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+ FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
+ std::vector<uint8_t> data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
+ if (data.empty()) {
+ data.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>());
+ }
+
+ CHash160 hash160;
+ CHash256 hash256;
+ CHMAC_SHA256 hmac_sha256{data.data(), data.size()};
+ CHMAC_SHA512 hmac_sha512{data.data(), data.size()};
+ CRIPEMD160 ripemd160;
+ CSHA1 sha1;
+ CSHA256 sha256;
+ CSHA512 sha512;
+ CSipHasher sip_hasher{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>()};
+
+ while (fuzzed_data_provider.ConsumeBool()) {
+ switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 2)) {
+ case 0: {
+ if (fuzzed_data_provider.ConsumeBool()) {
+ data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
+ if (data.empty()) {
+ data.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>());
+ }
+ }
+
+ (void)hash160.Write(data.data(), data.size());
+ (void)hash256.Write(data.data(), data.size());
+ (void)hmac_sha256.Write(data.data(), data.size());
+ (void)hmac_sha512.Write(data.data(), data.size());
+ (void)ripemd160.Write(data.data(), data.size());
+ (void)sha1.Write(data.data(), data.size());
+ (void)sha256.Write(data.data(), data.size());
+ (void)sha512.Write(data.data(), data.size());
+ (void)sip_hasher.Write(data.data(), data.size());
+
+ (void)Hash(data.begin(), data.end());
+ (void)Hash160(data);
+ (void)Hash160(data.begin(), data.end());
+ (void)sha512.Size();
+ break;
+ }
+ case 1: {
+ (void)hash160.Reset();
+ (void)hash256.Reset();
+ (void)ripemd160.Reset();
+ (void)sha1.Reset();
+ (void)sha256.Reset();
+ (void)sha512.Reset();
+ break;
+ }
+ case 2: {
+ switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 8)) {
+ case 0: {
+ data.resize(CHash160::OUTPUT_SIZE);
+ hash160.Finalize(data.data());
+ break;
+ }
+ case 1: {
+ data.resize(CHash256::OUTPUT_SIZE);
+ hash256.Finalize(data.data());
+ break;
+ }
+ case 2: {
+ data.resize(CHMAC_SHA256::OUTPUT_SIZE);
+ hmac_sha256.Finalize(data.data());
+ break;
+ }
+ case 3: {
+ data.resize(CHMAC_SHA512::OUTPUT_SIZE);
+ hmac_sha512.Finalize(data.data());
+ break;
+ }
+ case 4: {
+ data.resize(CRIPEMD160::OUTPUT_SIZE);
+ ripemd160.Finalize(data.data());
+ break;
+ }
+ case 5: {
+ data.resize(CSHA1::OUTPUT_SIZE);
+ sha1.Finalize(data.data());
+ break;
+ }
+ case 6: {
+ data.resize(CSHA256::OUTPUT_SIZE);
+ sha256.Finalize(data.data());
+ break;
+ }
+ case 7: {
+ data.resize(CSHA512::OUTPUT_SIZE);
+ sha512.Finalize(data.data());
+ break;
+ }
+ case 8: {
+ data.resize(1);
+ data[0] = sip_hasher.Finalize() % 256;
+ break;
+ }
+ }
+ break;
+ }
+ }
+ }
+}