crypto.cpp raw

   1  // Copyright (c) 2020-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <crypto/hmac_sha256.h>
   6  #include <crypto/hmac_sha512.h>
   7  #include <crypto/ripemd160.h>
   8  #include <crypto/sha1.h>
   9  #include <crypto/sha256.h>
  10  #include <crypto/sha3.h>
  11  #include <crypto/sha512.h>
  12  #include <hash.h>
  13  #include <test/fuzz/FuzzedDataProvider.h>
  14  #include <test/fuzz/fuzz.h>
  15  #include <test/fuzz/util.h>
  16  
  17  #include <cstdint>
  18  #include <vector>
  19  
  20  FUZZ_TARGET(crypto)
  21  {
  22      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
  23      std::vector<uint8_t> data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
  24      if (data.empty()) {
  25          auto new_size = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096);
  26          auto x = fuzzed_data_provider.ConsumeIntegral<uint8_t>();
  27          data.resize(new_size, x);
  28      }
  29  
  30      CHash160 hash160;
  31      CHash256 hash256;
  32      CHMAC_SHA256 hmac_sha256{data.data(), data.size()};
  33      CHMAC_SHA512 hmac_sha512{data.data(), data.size()};
  34      CRIPEMD160 ripemd160;
  35      CSHA1 sha1;
  36      CSHA256 sha256;
  37      CSHA512 sha512;
  38      SHA3_256 sha3;
  39      CSipHasher sip_hasher{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>()};
  40  
  41      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 30)
  42      {
  43          CallOneOf(
  44              fuzzed_data_provider,
  45              [&] {
  46                  if (fuzzed_data_provider.ConsumeBool()) {
  47                      data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
  48                      if (data.empty()) {
  49                          auto new_size = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096);
  50                          auto x = fuzzed_data_provider.ConsumeIntegral<uint8_t>();
  51                          data.resize(new_size, x);
  52                      }
  53                  }
  54  
  55                  (void)hash160.Write(data);
  56                  (void)hash256.Write(data);
  57                  (void)hmac_sha256.Write(data.data(), data.size());
  58                  (void)hmac_sha512.Write(data.data(), data.size());
  59                  (void)ripemd160.Write(data.data(), data.size());
  60                  (void)sha1.Write(data.data(), data.size());
  61                  (void)sha256.Write(data.data(), data.size());
  62                  (void)sha3.Write(data);
  63                  (void)sha512.Write(data.data(), data.size());
  64                  (void)sip_hasher.Write(data);
  65  
  66                  (void)Hash(data);
  67                  (void)Hash160(data);
  68                  (void)sha512.Size();
  69              },
  70              [&] {
  71                  (void)hash160.Reset();
  72                  (void)hash256.Reset();
  73                  (void)ripemd160.Reset();
  74                  (void)sha1.Reset();
  75                  (void)sha256.Reset();
  76                  (void)sha3.Reset();
  77                  (void)sha512.Reset();
  78              },
  79              [&] {
  80                  CallOneOf(
  81                      fuzzed_data_provider,
  82                      [&] {
  83                          data.resize(CHash160::OUTPUT_SIZE);
  84                          hash160.Finalize(data);
  85                      },
  86                      [&] {
  87                          data.resize(CHash256::OUTPUT_SIZE);
  88                          hash256.Finalize(data);
  89                      },
  90                      [&] {
  91                          data.resize(CHMAC_SHA256::OUTPUT_SIZE);
  92                          hmac_sha256.Finalize(data.data());
  93                      },
  94                      [&] {
  95                          data.resize(CHMAC_SHA512::OUTPUT_SIZE);
  96                          hmac_sha512.Finalize(data.data());
  97                      },
  98                      [&] {
  99                          data.resize(CRIPEMD160::OUTPUT_SIZE);
 100                          ripemd160.Finalize(data.data());
 101                      },
 102                      [&] {
 103                          data.resize(CSHA1::OUTPUT_SIZE);
 104                          sha1.Finalize(data.data());
 105                      },
 106                      [&] {
 107                          data.resize(CSHA256::OUTPUT_SIZE);
 108                          sha256.Finalize(data.data());
 109                      },
 110                      [&] {
 111                          data.resize(CSHA512::OUTPUT_SIZE);
 112                          sha512.Finalize(data.data());
 113                      },
 114                      [&] {
 115                          data.resize(1);
 116                          data[0] = sip_hasher.Finalize() % 256;
 117                      },
 118                      [&] {
 119                          data.resize(SHA3_256::OUTPUT_SIZE);
 120                          sha3.Finalize(data);
 121                      });
 122              });
 123      }
 124      if (fuzzed_data_provider.ConsumeBool()) {
 125          uint64_t state[25];
 126          for (size_t i = 0; i < 25; ++i) {
 127              state[i] = fuzzed_data_provider.ConsumeIntegral<uint64_t>();
 128          }
 129          KeccakF(state);
 130      }
 131  }
 132