crypto_aes256.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/aes.h>
   6  #include <test/fuzz/FuzzedDataProvider.h>
   7  #include <test/fuzz/fuzz.h>
   8  #include <test/fuzz/util.h>
   9  
  10  #include <cassert>
  11  #include <cstdint>
  12  #include <vector>
  13  
  14  FUZZ_TARGET(crypto_aes256)
  15  {
  16      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
  17      const std::vector<uint8_t> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES256_KEYSIZE);
  18  
  19      AES256Encrypt encrypt{key.data()};
  20      AES256Decrypt decrypt{key.data()};
  21  
  22      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
  23          const std::vector<uint8_t> plaintext = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES_BLOCKSIZE);
  24          std::vector<uint8_t> ciphertext(AES_BLOCKSIZE);
  25          encrypt.Encrypt(ciphertext.data(), plaintext.data());
  26          std::vector<uint8_t> decrypted_plaintext(AES_BLOCKSIZE);
  27          decrypt.Decrypt(decrypted_plaintext.data(), ciphertext.data());
  28          assert(decrypted_plaintext == plaintext);
  29      }
  30  }
  31