Line data    Source code

       1             : // Copyright (c) 2020-2021 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           4 : FUZZ_TARGET(crypto_hkdf_hmac_sha256_l32)
      15             : {
      16           0 :     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
      17             : 
      18           0 :     const std::vector<uint8_t> initial_key_material = ConsumeRandomLengthByteVector(fuzzed_data_provider);
      19             : 
      20           0 :     CHKDF_HMAC_SHA256_L32 hkdf_hmac_sha256_l32(initial_key_material.data(), initial_key_material.size(), fuzzed_data_provider.ConsumeRandomLengthString(1024));
      21           0 :     LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
      22           0 :         std::vector<uint8_t> out(32);
      23           0 :         hkdf_hmac_sha256_l32.Expand32(fuzzed_data_provider.ConsumeRandomLengthString(128), out.data());
      24           0 :     }
      25           2 : }