talk/app/webrtc/test/fakedtlsidentitystore.h - platform/external/webrtc - Git at Google

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
  *     this list of conditions and the following disclaimer in the documentation
  *     and/or other materials provided with the distribution.
  *  3. The name of the author may not be used to endorse or promote products
  *     derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #ifndef TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_
 #define TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_

 #include <string>

 #include "talk/app/webrtc/dtlsidentitystore.h"
 #include "talk/app/webrtc/peerconnectioninterface.h"
 #include "webrtc/base/rtccertificate.h"

 static const struct {
   const char* rsa_private_key_pem;
   const char* cert_pem;
 } kKeysAndCerts[] = {
     {"-----BEGIN RSA PRIVATE KEY-----\n"
      "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMYRkbhmI7kVA/rM\n"
      "czsZ+6JDhDvnkF+vn6yCAGuRPV03zuRqZtDy4N4to7PZu9PjqrRl7nDMXrG3YG9y\n"
      "rlIAZ72KjcKKFAJxQyAKLCIdawKRyp8RdK3LEySWEZb0AV58IadqPZDTNHHRX8dz\n"
      "5aTSMsbbkZ+C/OzTnbiMqLL/vg6jAgMBAAECgYAvgOs4FJcgvp+TuREx7YtiYVsH\n"
      "mwQPTum2z/8VzWGwR8BBHBvIpVe1MbD/Y4seyI2aco/7UaisatSgJhsU46/9Y4fq\n"
      "2TwXH9QANf4at4d9n/R6rzwpAJOpgwZgKvdQjkfrKTtgLV+/dawvpxUYkRH4JZM1\n"
      "CVGukMfKNrSVH4Ap4QJBAOJmGV1ASPnB4r4nc99at7JuIJmd7fmuVUwUgYi4XgaR\n"
      "WhScBsgYwZ/JoywdyZJgnbcrTDuVcWG56B3vXbhdpMsCQQDf9zeJrjnPZ3Cqm79y\n"
      "kdqANep0uwZciiNiWxsQrCHztywOvbFhdp8iYVFG9EK8DMY41Y5TxUwsHD+67zao\n"
      "ZNqJAkEA1suLUP/GvL8IwuRneQd2tWDqqRQ/Td3qq03hP7e77XtF/buya3Ghclo5\n"
      "54czUR89QyVfJEC6278nzA7n2h1uVQJAcG6mztNL6ja/dKZjYZye2CY44QjSlLo0\n"
      "MTgTSjdfg/28fFn2Jjtqf9Pi/X+50LWI/RcYMC2no606wRk9kyOuIQJBAK6VSAim\n"
      "1pOEjsYQn0X5KEIrz1G3bfCbB848Ime3U2/FWlCHMr6ch8kCZ5d1WUeJD3LbwMNG\n"
      "UCXiYxSsu20QNVw=\n"
      "-----END RSA PRIVATE KEY-----\n",
      "-----BEGIN CERTIFICATE-----\n"
      "MIIBmTCCAQKgAwIBAgIEbzBSAjANBgkqhkiG9w0BAQsFADARMQ8wDQYDVQQDEwZX\n"
      "ZWJSVEMwHhcNMTQwMTAyMTgyNDQ3WhcNMTQwMjAxMTgyNDQ3WjARMQ8wDQYDVQQD\n"
      "EwZXZWJSVEMwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMYRkbhmI7kVA/rM\n"
      "czsZ+6JDhDvnkF+vn6yCAGuRPV03zuRqZtDy4N4to7PZu9PjqrRl7nDMXrG3YG9y\n"
      "rlIAZ72KjcKKFAJxQyAKLCIdawKRyp8RdK3LEySWEZb0AV58IadqPZDTNHHRX8dz\n"
      "5aTSMsbbkZ+C/OzTnbiMqLL/vg6jAgMBAAEwDQYJKoZIhvcNAQELBQADgYEAUflI\n"
      "VUe5Krqf5RVa5C3u/UTAOAUJBiDS3VANTCLBxjuMsvqOG0WvaYWP3HYPgrz0jXK2\n"
      "LJE/mGw3MyFHEqi81jh95J+ypl6xKW6Rm8jKLR87gUvCaVYn/Z4/P3AqcQTB7wOv\n"
      "UD0A8qfhfDM+LK6rPAnCsVN0NRDY3jvd6rzix9M=\n"
      "-----END CERTIFICATE-----\n"},
     {"-----BEGIN RSA PRIVATE KEY-----\n"
      "MIICXQIBAAKBgQDeYqlyJ1wuiMsi905e3X81/WA/G3ym50PIDZBVtSwZi7JVQPgj\n"
      "Bl8CPZMvDh9EwB4Ji9ytA8dZZbQ4WbJWPr73zPpJSCvQqz6sOXSlenBRi72acNaQ\n"
      "sOR/qPvviJx5I6Hqo4qemfnjZhAW85a5BpgrAwKgMLIQTHCTLWwVSyrDrwIDAQAB\n"
      "AoGARni9eY8/hv+SX+I+05EdXt6MQXNUbQ+cSykBNCfVccLzIFEWUQMT2IHqwl6X\n"
      "ShIXcq7/n1QzOAEiuzixauM3YHg4xZ1Um2Ha9a7ig5Xg4v6b43bmMkNE6LkoAtYs\n"
      "qnQdfMh442b1liDud6IMb1Qk0amt3fSrgRMc547TZQVx4QECQQDxUeDm94r3p4ng\n"
      "5rCLLC1K5/6HSTZsh7jatKPlz7GfP/IZlYV7iE5784/n0wRiCjZOS7hQRy/8m2Gp\n"
      "pf4aZq+DAkEA6+np4d36FYikydvUrupLT3FkdRHGn/v83qOll/VmeNh+L1xMZlIP\n"
      "tM26hAXCcQb7O5+J9y3cx2CAQsBS11ZXZQJAfGgTo76WG9p5UEJdXUInD2jOZPwv\n"
      "XIATolxh6kXKcijLLLlSmT7KB0inNYIpzkkpee+7U1d/u6B3FriGaSHq9QJBAM/J\n"
      "ICnDdLCgwNvWVraVQC3BpwSB2pswvCFwq7py94V60XFvbw80Ogc6qIv98qvQxVlX\n"
      "hJIEgA/PjEi+0ng94Q0CQQDm8XSDby35gmjO+6eRmJtAjtB7nguLvrPXM6CPXRmD\n"
      "sRoBocpHw6j9UdzZ6qYG0FkdXZghezXFY58ro2BYYRR3\n"
      "-----END RSA PRIVATE KEY-----\n",
      "-----BEGIN CERTIFICATE-----\n"
      "MIICWDCCAcGgAwIBAgIJALgDjxMbBOhbMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV\n"
      "BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"
      "aWRnaXRzIFB0eSBMdGQwHhcNMTUxMTEzMjIzMjEzWhcNMTYxMTEyMjIzMjEzWjBF\n"
      "MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50\n"
      "ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB\n"
      "gQDeYqlyJ1wuiMsi905e3X81/WA/G3ym50PIDZBVtSwZi7JVQPgjBl8CPZMvDh9E\n"
      "wB4Ji9ytA8dZZbQ4WbJWPr73zPpJSCvQqz6sOXSlenBRi72acNaQsOR/qPvviJx5\n"
      "I6Hqo4qemfnjZhAW85a5BpgrAwKgMLIQTHCTLWwVSyrDrwIDAQABo1AwTjAdBgNV\n"
      "HQ4EFgQUx2tbJdlcSTCepn09UdYORXKuSTAwHwYDVR0jBBgwFoAUx2tbJdlcSTCe\n"
      "pn09UdYORXKuSTAwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAmp9Id\n"
      "E716gHMqeBG4S2FCgVFCr0a0ugkaneQAN/c2L9CbMemEN9W6jvucUIVOtYd90dDW\n"
      "lXuowWmT/JctPe3D2qt4yvYW3puECHk2tVQmrJOZiZiTRtWm6HxkmoUYHYp/DtaS\n"
      "1Xe29gSTnZtI5sQCrGMzk3SGRSSs7ejLKiVDBQ==\n"
      "-----END CERTIFICATE-----\n"}};

 class FakeDtlsIdentityStore : public webrtc::DtlsIdentityStoreInterface,
                               public rtc::MessageHandler {
  public:
   typedef rtc::TypedMessageData<rtc::scoped_refptr<
       webrtc::DtlsIdentityRequestObserver> > MessageData;

   FakeDtlsIdentityStore() : should_fail_(false) {}

   void set_should_fail(bool should_fail) {
     should_fail_ = should_fail;
   }

   void use_original_key() { key_index_ = 0; }
   void use_alternate_key() { key_index_ = 1; }

   void RequestIdentity(
       rtc::KeyType key_type,
       const rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver>&
           observer) override {
     // TODO(hbos): Should be able to generate KT_ECDSA too.
     RTC_DCHECK(key_type == rtc::KT_RSA || should_fail_);
     MessageData* msg = new MessageData(
         rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver>(observer));
     rtc::Thread::Current()->Post(
         this, should_fail_ ? MSG_FAILURE : MSG_SUCCESS, msg);
   }

   static rtc::scoped_refptr<rtc::RTCCertificate> GenerateCertificate() {
     std::string cert;
     std::string key;
     rtc::SSLIdentity::PemToDer("CERTIFICATE", kKeysAndCerts[0].cert_pem, &cert);
     rtc::SSLIdentity::PemToDer("RSA PRIVATE KEY",
                                kKeysAndCerts[0].rsa_private_key_pem, &key);

     std::string pem_cert = rtc::SSLIdentity::DerToPem(
         rtc::kPemTypeCertificate,
         reinterpret_cast<const unsigned char*>(cert.data()),
         cert.length());
     std::string pem_key = rtc::SSLIdentity::DerToPem(
         rtc::kPemTypeRsaPrivateKey,
         reinterpret_cast<const unsigned char*>(key.data()),
         key.length());
     rtc::scoped_ptr<rtc::SSLIdentity> identity(
         rtc::SSLIdentity::FromPEMStrings(pem_key, pem_cert));

     return rtc::RTCCertificate::Create(identity.Pass());
   }

  private:
   enum {
     MSG_SUCCESS,
     MSG_FAILURE,
   };

   const char* get_key() {
     return kKeysAndCerts[key_index_].rsa_private_key_pem;
   }
   const char* get_cert() { return kKeysAndCerts[key_index_].cert_pem; }

   // rtc::MessageHandler implementation.
   void OnMessage(rtc::Message* msg) {
     MessageData* message_data = static_cast<MessageData*>(msg->pdata);
     rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver> observer =
         message_data->data();
     switch (msg->message_id) {
       case MSG_SUCCESS: {
         std::string cert;
         std::string key;
         rtc::SSLIdentity::PemToDer("CERTIFICATE", get_cert(), &cert);
         rtc::SSLIdentity::PemToDer("RSA PRIVATE KEY", get_key(), &key);
         observer->OnSuccess(cert, key);
         break;
       }
       case MSG_FAILURE:
         observer->OnFailure(0);
         break;
     }
     delete message_data;
   }

   bool should_fail_;
   int key_index_ = 0;
 };

 #endif  // TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_
	/*
	* libjingle
	* Copyright 2013 Google Inc.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_
	#define TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_

	#include <string>

	#include "talk/app/webrtc/dtlsidentitystore.h"
	#include "talk/app/webrtc/peerconnectioninterface.h"
	#include "webrtc/base/rtccertificate.h"

	static const struct {
	const char* rsa_private_key_pem;
	const char* cert_pem;
	} kKeysAndCerts[] = {
	{"-----BEGIN RSA PRIVATE KEY-----\n"
	"MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMYRkbhmI7kVA/rM\n"
	"czsZ+6JDhDvnkF+vn6yCAGuRPV03zuRqZtDy4N4to7PZu9PjqrRl7nDMXrG3YG9y\n"
	"rlIAZ72KjcKKFAJxQyAKLCIdawKRyp8RdK3LEySWEZb0AV58IadqPZDTNHHRX8dz\n"
	"5aTSMsbbkZ+C/OzTnbiMqLL/vg6jAgMBAAECgYAvgOs4FJcgvp+TuREx7YtiYVsH\n"
	"mwQPTum2z/8VzWGwR8BBHBvIpVe1MbD/Y4seyI2aco/7UaisatSgJhsU46/9Y4fq\n"
	"2TwXH9QANf4at4d9n/R6rzwpAJOpgwZgKvdQjkfrKTtgLV+/dawvpxUYkRH4JZM1\n"
	"CVGukMfKNrSVH4Ap4QJBAOJmGV1ASPnB4r4nc99at7JuIJmd7fmuVUwUgYi4XgaR\n"
	"WhScBsgYwZ/JoywdyZJgnbcrTDuVcWG56B3vXbhdpMsCQQDf9zeJrjnPZ3Cqm79y\n"
	"kdqANep0uwZciiNiWxsQrCHztywOvbFhdp8iYVFG9EK8DMY41Y5TxUwsHD+67zao\n"
	"ZNqJAkEA1suLUP/GvL8IwuRneQd2tWDqqRQ/Td3qq03hP7e77XtF/buya3Ghclo5\n"
	"54czUR89QyVfJEC6278nzA7n2h1uVQJAcG6mztNL6ja/dKZjYZye2CY44QjSlLo0\n"
	"MTgTSjdfg/28fFn2Jjtqf9Pi/X+50LWI/RcYMC2no606wRk9kyOuIQJBAK6VSAim\n"
	"1pOEjsYQn0X5KEIrz1G3bfCbB848Ime3U2/FWlCHMr6ch8kCZ5d1WUeJD3LbwMNG\n"
	"UCXiYxSsu20QNVw=\n"
	"-----END RSA PRIVATE KEY-----\n",
	"-----BEGIN CERTIFICATE-----\n"
	"MIIBmTCCAQKgAwIBAgIEbzBSAjANBgkqhkiG9w0BAQsFADARMQ8wDQYDVQQDEwZX\n"
	"ZWJSVEMwHhcNMTQwMTAyMTgyNDQ3WhcNMTQwMjAxMTgyNDQ3WjARMQ8wDQYDVQQD\n"
	"EwZXZWJSVEMwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMYRkbhmI7kVA/rM\n"
	"czsZ+6JDhDvnkF+vn6yCAGuRPV03zuRqZtDy4N4to7PZu9PjqrRl7nDMXrG3YG9y\n"
	"rlIAZ72KjcKKFAJxQyAKLCIdawKRyp8RdK3LEySWEZb0AV58IadqPZDTNHHRX8dz\n"
	"5aTSMsbbkZ+C/OzTnbiMqLL/vg6jAgMBAAEwDQYJKoZIhvcNAQELBQADgYEAUflI\n"
	"VUe5Krqf5RVa5C3u/UTAOAUJBiDS3VANTCLBxjuMsvqOG0WvaYWP3HYPgrz0jXK2\n"
	"LJE/mGw3MyFHEqi81jh95J+ypl6xKW6Rm8jKLR87gUvCaVYn/Z4/P3AqcQTB7wOv\n"
	"UD0A8qfhfDM+LK6rPAnCsVN0NRDY3jvd6rzix9M=\n"
	"-----END CERTIFICATE-----\n"},
	{"-----BEGIN RSA PRIVATE KEY-----\n"
	"MIICXQIBAAKBgQDeYqlyJ1wuiMsi905e3X81/WA/G3ym50PIDZBVtSwZi7JVQPgj\n"
	"Bl8CPZMvDh9EwB4Ji9ytA8dZZbQ4WbJWPr73zPpJSCvQqz6sOXSlenBRi72acNaQ\n"
	"sOR/qPvviJx5I6Hqo4qemfnjZhAW85a5BpgrAwKgMLIQTHCTLWwVSyrDrwIDAQAB\n"
	"AoGARni9eY8/hv+SX+I+05EdXt6MQXNUbQ+cSykBNCfVccLzIFEWUQMT2IHqwl6X\n"
	"ShIXcq7/n1QzOAEiuzixauM3YHg4xZ1Um2Ha9a7ig5Xg4v6b43bmMkNE6LkoAtYs\n"
	"qnQdfMh442b1liDud6IMb1Qk0amt3fSrgRMc547TZQVx4QECQQDxUeDm94r3p4ng\n"
	"5rCLLC1K5/6HSTZsh7jatKPlz7GfP/IZlYV7iE5784/n0wRiCjZOS7hQRy/8m2Gp\n"
	"pf4aZq+DAkEA6+np4d36FYikydvUrupLT3FkdRHGn/v83qOll/VmeNh+L1xMZlIP\n"
	"tM26hAXCcQb7O5+J9y3cx2CAQsBS11ZXZQJAfGgTo76WG9p5UEJdXUInD2jOZPwv\n"
	"XIATolxh6kXKcijLLLlSmT7KB0inNYIpzkkpee+7U1d/u6B3FriGaSHq9QJBAM/J\n"
	"ICnDdLCgwNvWVraVQC3BpwSB2pswvCFwq7py94V60XFvbw80Ogc6qIv98qvQxVlX\n"
	"hJIEgA/PjEi+0ng94Q0CQQDm8XSDby35gmjO+6eRmJtAjtB7nguLvrPXM6CPXRmD\n"
	"sRoBocpHw6j9UdzZ6qYG0FkdXZghezXFY58ro2BYYRR3\n"
	"-----END RSA PRIVATE KEY-----\n",
	"-----BEGIN CERTIFICATE-----\n"
	"MIICWDCCAcGgAwIBAgIJALgDjxMbBOhbMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV\n"
	"BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"
	"aWRnaXRzIFB0eSBMdGQwHhcNMTUxMTEzMjIzMjEzWhcNMTYxMTEyMjIzMjEzWjBF\n"
	"MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50\n"
	"ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB\n"
	"gQDeYqlyJ1wuiMsi905e3X81/WA/G3ym50PIDZBVtSwZi7JVQPgjBl8CPZMvDh9E\n"
	"wB4Ji9ytA8dZZbQ4WbJWPr73zPpJSCvQqz6sOXSlenBRi72acNaQsOR/qPvviJx5\n"
	"I6Hqo4qemfnjZhAW85a5BpgrAwKgMLIQTHCTLWwVSyrDrwIDAQABo1AwTjAdBgNV\n"
	"HQ4EFgQUx2tbJdlcSTCepn09UdYORXKuSTAwHwYDVR0jBBgwFoAUx2tbJdlcSTCe\n"
	"pn09UdYORXKuSTAwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAmp9Id\n"
	"E716gHMqeBG4S2FCgVFCr0a0ugkaneQAN/c2L9CbMemEN9W6jvucUIVOtYd90dDW\n"
	"lXuowWmT/JctPe3D2qt4yvYW3puECHk2tVQmrJOZiZiTRtWm6HxkmoUYHYp/DtaS\n"
	"1Xe29gSTnZtI5sQCrGMzk3SGRSSs7ejLKiVDBQ==\n"
	"-----END CERTIFICATE-----\n"}};

	class FakeDtlsIdentityStore : public webrtc::DtlsIdentityStoreInterface,
	public rtc::MessageHandler {
	public:
	typedef rtc::TypedMessageData<rtc::scoped_refptr<
	webrtc::DtlsIdentityRequestObserver> > MessageData;

	FakeDtlsIdentityStore() : should_fail_(false) {}

	void set_should_fail(bool should_fail) {
	should_fail_ = should_fail;
	}

	void use_original_key() { key_index_ = 0; }
	void use_alternate_key() { key_index_ = 1; }

	void RequestIdentity(
	rtc::KeyType key_type,
	const rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver>&
	observer) override {
	// TODO(hbos): Should be able to generate KT_ECDSA too.
	RTC_DCHECK(key_type == rtc::KT_RSA \|\| should_fail_);
	MessageData* msg = new MessageData(
	rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver>(observer));
	rtc::Thread::Current()->Post(
	this, should_fail_ ? MSG_FAILURE : MSG_SUCCESS, msg);
	}

	static rtc::scoped_refptr<rtc::RTCCertificate> GenerateCertificate() {
	std::string cert;
	std::string key;
	rtc::SSLIdentity::PemToDer("CERTIFICATE", kKeysAndCerts[0].cert_pem, &cert);
	rtc::SSLIdentity::PemToDer("RSA PRIVATE KEY",
	kKeysAndCerts[0].rsa_private_key_pem, &key);

	std::string pem_cert = rtc::SSLIdentity::DerToPem(
	rtc::kPemTypeCertificate,
	reinterpret_cast<const unsigned char*>(cert.data()),
	cert.length());
	std::string pem_key = rtc::SSLIdentity::DerToPem(
	rtc::kPemTypeRsaPrivateKey,
	reinterpret_cast<const unsigned char*>(key.data()),
	key.length());
	rtc::scoped_ptr<rtc::SSLIdentity> identity(
	rtc::SSLIdentity::FromPEMStrings(pem_key, pem_cert));

	return rtc::RTCCertificate::Create(identity.Pass());
	}

	private:
	enum {
	MSG_SUCCESS,
	MSG_FAILURE,
	};

	const char* get_key() {
	return kKeysAndCerts[key_index_].rsa_private_key_pem;
	}
	const char* get_cert() { return kKeysAndCerts[key_index_].cert_pem; }

	// rtc::MessageHandler implementation.
	void OnMessage(rtc::Message* msg) {
	MessageData* message_data = static_cast<MessageData*>(msg->pdata);
	rtc::scoped_refptr<webrtc::DtlsIdentityRequestObserver> observer =
	message_data->data();
	switch (msg->message_id) {
	case MSG_SUCCESS: {
	std::string cert;
	std::string key;
	rtc::SSLIdentity::PemToDer("CERTIFICATE", get_cert(), &cert);
	rtc::SSLIdentity::PemToDer("RSA PRIVATE KEY", get_key(), &key);
	observer->OnSuccess(cert, key);
	break;
	}
	case MSG_FAILURE:
	observer->OnFailure(0);
	break;
	}
	delete message_data;
	}

	bool should_fail_;
	int key_index_ = 0;
	};

	#endif // TALK_APP_WEBRTC_TEST_FAKEDTLSIDENTITYSERVICE_H_