LCOV - code coverage report
Current view: top level - src/test/fuzz - secp256k1_ecdsa_signature_parse_der_lax.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 2 13 15.4 %
Date: 2023-11-06 23:13:05 Functions: 1 3 33.3 %
Branches: 2 18 11.1 %

           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 [ +  - ][ +  - ]:          6 : 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                 :            :     secp256k1_ecdsa_signature sig_der_lax;
      25         [ #  # ]:          2 :     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_Start();
      28         [ #  # ]:          0 :         (void)SigHasLowR(&sig_der_lax);
      29         [ #  # ]:          0 :         ECC_Stop();
      30                 :          0 :     }
      31         [ #  # ]:          0 : }

Generated by: LCOV version 1.14