LCOV - code coverage report
Current view: top level - src/test/fuzz - secp256k1_ecdsa_signature_parse_der_lax.cpp (source / functions) Coverage Total Hit
Test: test_bitcoin_coverage.info Lines: 0.0 % 12 0
Test Date: 2024-08-28 04:44:32 Functions: 0.0 % 2 0
Branches: 0.0 % 12 0

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2020 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 <key.h>
       6                 :             : #include <secp256k1.h>
       7                 :             : #include <test/fuzz/FuzzedDataProvider.h>
       8                 :             : #include <test/fuzz/fuzz.h>
       9                 :             : #include <test/fuzz/util.h>
      10                 :             : 
      11                 :             : #include <cstdint>
      12                 :             : #include <vector>
      13                 :             : 
      14                 :             : bool SigHasLowR(const secp256k1_ecdsa_signature* sig);
      15                 :             : int ecdsa_signature_parse_der_lax(secp256k1_ecdsa_signature* sig, const unsigned char* input, size_t inputlen);
      16                 :             : 
      17         [ #  # ]:           0 : FUZZ_TARGET(secp256k1_ecdsa_signature_parse_der_lax)
      18                 :             : {
      19                 :           0 :     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
      20                 :           0 :     const std::vector<uint8_t> signature_bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider);
      21         [ #  # ]:           0 :     if (signature_bytes.data() == nullptr) {
      22                 :           0 :         return;
      23                 :             :     }
      24                 :           0 :     secp256k1_ecdsa_signature sig_der_lax;
      25         [ #  # ]:           0 :     const bool parsed_der_lax = ecdsa_signature_parse_der_lax(&sig_der_lax, signature_bytes.data(), signature_bytes.size()) == 1;
      26         [ #  # ]:           0 :     if (parsed_der_lax) {
      27         [ #  # ]:           0 :         ECC_Context ecc_context{};
      28         [ #  # ]:           0 :         (void)SigHasLowR(&sig_der_lax);
      29                 :           0 :     }
      30                 :           0 : }
        

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