crypto_hkdf_hmac_sha256_l32.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/hkdf_sha256_32.h>
   6  #include <test/fuzz/FuzzedDataProvider.h>
   7  #include <test/fuzz/fuzz.h>
   8  #include <test/fuzz/util.h>
   9  
  10  #include <cstdint>
  11  #include <string>
  12  #include <vector>
  13  
  14  FUZZ_TARGET(crypto_hkdf_hmac_sha256_l32)
  15  {
  16      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
  17  
  18      const std::vector<uint8_t> initial_key_material = ConsumeRandomLengthByteVector(fuzzed_data_provider);
  19  
  20      CHKDF_HMAC_SHA256_L32 hkdf_hmac_sha256_l32(initial_key_material.data(), initial_key_material.size(), fuzzed_data_provider.ConsumeRandomLengthString(1024));
  21      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
  22          std::vector<uint8_t> out(32);
  23          hkdf_hmac_sha256_l32.Expand32(fuzzed_data_provider.ConsumeRandomLengthString(128), out.data());
  24      }
  25  }
  26