1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <stddef.h> 12 #include <stdint.h> 13 14 #include <string> 15 16 #include "rtc_base/ssl_certificate.h" 17 #include "rtc_base/string_encode.h" 18 19 namespace webrtc { 20 FuzzOneInput(const uint8_t * data,size_t size)21void FuzzOneInput(const uint8_t* data, size_t size) { 22 std::string pem_certificate(reinterpret_cast<const char*>(data), size); 23 24 std::unique_ptr<rtc::SSLCertificate> cert = 25 rtc::SSLCertificate::FromPEMString(pem_certificate); 26 27 if (cert == nullptr) { 28 return; 29 } 30 31 cert->Clone(); 32 cert->GetStats(); 33 cert->ToPEMString(); 34 cert->CertificateExpirationTime(); 35 36 std::string algorithm; 37 cert->GetSignatureDigestAlgorithm(algorithm); 38 39 unsigned char digest[rtc::MessageDigest::kMaxSize]; 40 size_t digest_len; 41 cert->ComputeDigest(algorithm, digest, rtc::MessageDigest::kMaxSize, 42 &digest_len); 43 44 rtc::Buffer der_buffer; 45 cert->ToDER(&der_buffer); 46 } 47 48 } // namespace webrtc 49