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/message_digest.h" 17 #include "rtc_base/ssl_certificate.h" 18 #include "rtc_base/string_encode.h" 19 20 namespace webrtc { 21 FuzzOneInput(const uint8_t * data,size_t size)22void FuzzOneInput(const uint8_t* data, size_t size) { 23 std::string pem_certificate(reinterpret_cast<const char*>(data), size); 24 25 std::unique_ptr<rtc::SSLCertificate> cert = 26 rtc::SSLCertificate::FromPEMString(pem_certificate); 27 28 if (cert == nullptr) { 29 return; 30 } 31 32 cert->Clone(); 33 cert->GetStats(); 34 cert->ToPEMString(); 35 cert->CertificateExpirationTime(); 36 37 std::string algorithm; 38 cert->GetSignatureDigestAlgorithm(&algorithm); 39 40 unsigned char digest[rtc::MessageDigest::kMaxSize]; 41 size_t digest_len; 42 cert->ComputeDigest(algorithm, digest, rtc::MessageDigest::kMaxSize, 43 &digest_len); 44 45 rtc::Buffer der_buffer; 46 cert->ToDER(&der_buffer); 47 } 48 49 } // namespace webrtc 50