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* Copyright 2012 The WebRTC Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <algorithm>
#include <vector>
#include "webrtc/base/common.h"
#include "webrtc/base/messagedigest.h"
#include "webrtc/base/sslidentity.h"
namespace rtc {
class FakeSSLCertificate : public rtc::SSLCertificate {
// SHA-1 is the default digest algorithm because it is available in all build
// configurations used for unit testing.
explicit FakeSSLCertificate(const std::string& data)
: data_(data), digest_algorithm_(DIGEST_SHA_1) {}
explicit FakeSSLCertificate(const std::vector<std::string>& certs)
: data_(certs.front()), digest_algorithm_(DIGEST_SHA_1) {
std::vector<std::string>::const_iterator it;
// Skip certs[0].
for (it = certs.begin() + 1; it != certs.end(); ++it) {
virtual FakeSSLCertificate* GetReference() const {
return new FakeSSLCertificate(*this);
virtual std::string ToPEMString() const {
return data_;
virtual void ToDER(Buffer* der_buffer) const {
std::string der_string;
VERIFY(SSLIdentity::PemToDer(kPemTypeCertificate, data_, &der_string));
der_buffer->SetData(der_string.c_str(), der_string.size());
void set_digest_algorithm(const std::string& algorithm) {
digest_algorithm_ = algorithm;
virtual bool GetSignatureDigestAlgorithm(std::string* algorithm) const {
*algorithm = digest_algorithm_;
return true;
virtual bool ComputeDigest(const std::string& algorithm,
unsigned char* digest,
size_t size,
size_t* length) const {
*length = rtc::ComputeDigest(algorithm, data_.c_str(), data_.size(),
digest, size);
return (*length != 0);
virtual bool GetChain(SSLCertChain** chain) const {
if (certs_.empty())
return false;
std::vector<SSLCertificate*> new_certs(certs_.size());
std::transform(certs_.begin(), certs_.end(), new_certs.begin(), DupCert);
*chain = new SSLCertChain(new_certs);
std::for_each(new_certs.begin(), new_certs.end(), DeleteCert);
return true;
static FakeSSLCertificate* DupCert(FakeSSLCertificate cert) {
return cert.GetReference();
static void DeleteCert(SSLCertificate* cert) { delete cert; }
std::string data_;
std::vector<FakeSSLCertificate> certs_;
std::string digest_algorithm_;
class FakeSSLIdentity : public rtc::SSLIdentity {
explicit FakeSSLIdentity(const std::string& data) : cert_(data) {}
explicit FakeSSLIdentity(const FakeSSLCertificate& cert) : cert_(cert) {}
virtual FakeSSLIdentity* GetReference() const {
return new FakeSSLIdentity(*this);
virtual const FakeSSLCertificate& certificate() const { return cert_; }
FakeSSLCertificate cert_;
} // namespace rtc