webrtc/base/sslidentity_unittest.cc - src - Git at Google

 /*
  *  Copyright 2011 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 <string>

 #include "webrtc/base/gunit.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/sslidentity.h"

 using rtc::SSLIdentity;

 const char kTestCertificate[] = "-----BEGIN CERTIFICATE-----\n"
     "MIIB6TCCAVICAQYwDQYJKoZIhvcNAQEEBQAwWzELMAkGA1UEBhMCQVUxEzARBgNV\n"
     "BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRswGQYD\n"
     "VQQDExJUZXN0IENBICgxMDI0IGJpdCkwHhcNMDAxMDE2MjIzMTAzWhcNMDMwMTE0\n"
     "MjIzMTAzWjBjMQswCQYDVQQGEwJBVTETMBEGA1UECBMKUXVlZW5zbGFuZDEaMBgG\n"
     "A1UEChMRQ3J5cHRTb2Z0IFB0eSBMdGQxIzAhBgNVBAMTGlNlcnZlciB0ZXN0IGNl\n"
     "cnQgKDUxMiBiaXQpMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAJ+zw4Qnlf8SMVIP\n"
     "Fe9GEcStgOY2Ww/dgNdhjeD8ckUJNP5VZkVDTGiXav6ooKXfX3j/7tdkuD8Ey2//\n"
     "Kv7+ue0CAwEAATANBgkqhkiG9w0BAQQFAAOBgQCT0grFQeZaqYb5EYfk20XixZV4\n"
     "GmyAbXMftG1Eo7qGiMhYzRwGNWxEYojf5PZkYZXvSqZ/ZXHXa4g59jK/rJNnaVGM\n"
     "k+xIX8mxQvlV0n5O9PIha5BX5teZnkHKgL8aKKLKW1BK7YTngsfSzzaeame5iKfz\n"
     "itAE+OjGF+PFKbwX8Q==\n"
     "-----END CERTIFICATE-----\n";

 const unsigned char kTestCertSha1[] = {
     0xA6, 0xC8, 0x59, 0xEA, 0xC3, 0x7E, 0x6D, 0x33,
     0xCF, 0xE2, 0x69, 0x9D, 0x74, 0xE6, 0xF6, 0x8A,
     0x9E, 0x47, 0xA7, 0xCA};
 const unsigned char kTestCertSha224[] = {
     0xd4, 0xce, 0xc6, 0xcf, 0x28, 0xcb, 0xe9, 0x77,
     0x38, 0x36, 0xcf, 0xb1, 0x3b, 0x4a, 0xd7, 0xbd,
     0xae, 0x24, 0x21, 0x08, 0xcf, 0x6a, 0x44, 0x0d,
     0x3f, 0x94, 0x2a, 0x5b};
 const unsigned char kTestCertSha256[] = {
     0x41, 0x6b, 0xb4, 0x93, 0x47, 0x79, 0x77, 0x24,
     0x77, 0x0b, 0x8b, 0x2e, 0xa6, 0x2b, 0xe0, 0xf9,
     0x0a, 0xed, 0x1f, 0x31, 0xa6, 0xf7, 0x5c, 0xa1,
     0x5a, 0xc4, 0xb0, 0xa2, 0xa4, 0x78, 0xb9, 0x76};
 const unsigned char kTestCertSha384[] = {
     0x42, 0x31, 0x9a, 0x79, 0x1d, 0xd6, 0x08, 0xbf,
     0x3b, 0xba, 0x36, 0xd8, 0x37, 0x4a, 0x9a, 0x75,
     0xd3, 0x25, 0x6e, 0x28, 0x92, 0xbe, 0x06, 0xb7,
     0xc5, 0xa0, 0x83, 0xe3, 0x86, 0xb1, 0x03, 0xfc,
     0x64, 0x47, 0xd6, 0xd8, 0xaa, 0xd9, 0x36, 0x60,
     0x04, 0xcc, 0xbe, 0x7d, 0x6a, 0xe8, 0x34, 0x49};
 const unsigned char kTestCertSha512[] = {
     0x51, 0x1d, 0xec, 0x02, 0x3d, 0x51, 0x45, 0xd3,
     0xd8, 0x1d, 0xa4, 0x9d, 0x43, 0xc9, 0xee, 0x32,
     0x6f, 0x4f, 0x37, 0xee, 0xab, 0x3f, 0x25, 0xdf,
     0x72, 0xfc, 0x61, 0x1a, 0xd5, 0x92, 0xff, 0x6b,
     0x28, 0x71, 0x58, 0xb3, 0xe1, 0x8a, 0x18, 0xcf,
     0x61, 0x33, 0x0e, 0x14, 0xc3, 0x04, 0xaa, 0x07,
     0xf6, 0xa5, 0xda, 0xdc, 0x42, 0x42, 0x22, 0x35,
     0xce, 0x26, 0x58, 0x4a, 0x33, 0x6d, 0xbc, 0xb6};

 class SSLIdentityTest : public testing::Test {
  public:
   SSLIdentityTest() {}

   ~SSLIdentityTest() {
   }

   virtual void SetUp() {
     identity_rsa1_.reset(SSLIdentity::Generate("test1", rtc::KT_RSA));
     identity_rsa2_.reset(SSLIdentity::Generate("test2", rtc::KT_RSA));
     identity_ecdsa1_.reset(SSLIdentity::Generate("test3", rtc::KT_ECDSA));
     identity_ecdsa2_.reset(SSLIdentity::Generate("test4", rtc::KT_ECDSA));

     ASSERT_TRUE(identity_rsa1_);
     ASSERT_TRUE(identity_rsa2_);
     ASSERT_TRUE(identity_ecdsa1_);
     ASSERT_TRUE(identity_ecdsa2_);

     test_cert_.reset(rtc::SSLCertificate::FromPEMString(kTestCertificate));
     ASSERT_TRUE(test_cert_);
   }

   void TestGetSignatureDigestAlgorithm() {
     std::string digest_algorithm;

     ASSERT_TRUE(identity_rsa1_->certificate().GetSignatureDigestAlgorithm(
         &digest_algorithm));
     ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

     ASSERT_TRUE(identity_rsa2_->certificate().GetSignatureDigestAlgorithm(
         &digest_algorithm));
     ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

     ASSERT_TRUE(identity_ecdsa1_->certificate().GetSignatureDigestAlgorithm(
         &digest_algorithm));
     ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

     ASSERT_TRUE(identity_ecdsa2_->certificate().GetSignatureDigestAlgorithm(
         &digest_algorithm));
     ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

     // The test certificate has an MD5-based signature.
     ASSERT_TRUE(test_cert_->GetSignatureDigestAlgorithm(&digest_algorithm));
     ASSERT_EQ(rtc::DIGEST_MD5, digest_algorithm);
   }

   typedef unsigned char DigestType[rtc::MessageDigest::kMaxSize];

   void TestDigestHelper(DigestType digest,
                         const SSLIdentity* identity,
                         const std::string& algorithm,
                         size_t expected_len) {
     DigestType digest1;
     size_t digest_len;
     bool rv;

     memset(digest, 0, expected_len);
     rv = identity->certificate().ComputeDigest(algorithm, digest,
                                                sizeof(DigestType), &digest_len);
     EXPECT_TRUE(rv);
     EXPECT_EQ(expected_len, digest_len);

     // Repeat digest computation for the identity as a sanity check.
     memset(digest1, 0xff, expected_len);
     rv = identity->certificate().ComputeDigest(algorithm, digest1,
                                                sizeof(DigestType), &digest_len);
     EXPECT_TRUE(rv);
     EXPECT_EQ(expected_len, digest_len);

     EXPECT_EQ(0, memcmp(digest, digest1, expected_len));
   }

   void TestDigestForGeneratedCert(const std::string& algorithm,
                                   size_t expected_len) {
     DigestType digest[4];

     ASSERT_TRUE(expected_len <= sizeof(DigestType));

     TestDigestHelper(digest[0], identity_rsa1_.get(), algorithm, expected_len);
     TestDigestHelper(digest[1], identity_rsa2_.get(), algorithm, expected_len);
     TestDigestHelper(digest[2], identity_ecdsa1_.get(), algorithm,
                      expected_len);
     TestDigestHelper(digest[3], identity_ecdsa2_.get(), algorithm,
                      expected_len);

     // Sanity check that all four digests are unique.  This could theoretically
     // fail, since cryptographic hash collisions have a non-zero probability.
     for (int i = 0; i < 4; i++) {
       for (int j = 0; j < 4; j++) {
         if (i != j)
           EXPECT_NE(0, memcmp(digest[i], digest[j], expected_len));
       }
     }
   }

   void TestDigestForFixedCert(const std::string& algorithm,
                               size_t expected_len,
                               const unsigned char* expected_digest) {
     bool rv;
     DigestType digest;
     size_t digest_len;

     ASSERT_TRUE(expected_len <= sizeof(DigestType));

     rv = test_cert_->ComputeDigest(algorithm, digest, sizeof(digest),
                                    &digest_len);
     EXPECT_TRUE(rv);
     EXPECT_EQ(expected_len, digest_len);
     EXPECT_EQ(0, memcmp(digest, expected_digest, expected_len));
   }

  private:
   rtc::scoped_ptr<SSLIdentity> identity_rsa1_;
   rtc::scoped_ptr<SSLIdentity> identity_rsa2_;
   rtc::scoped_ptr<SSLIdentity> identity_ecdsa1_;
   rtc::scoped_ptr<SSLIdentity> identity_ecdsa2_;
   rtc::scoped_ptr<rtc::SSLCertificate> test_cert_;
 };

 TEST_F(SSLIdentityTest, FixedDigestSHA1) {
   TestDigestForFixedCert(rtc::DIGEST_SHA_1, 20, kTestCertSha1);
 }

 // HASH_AlgSHA224 is not supported in the chromium linux build.
 TEST_F(SSLIdentityTest, FixedDigestSHA224) {
   TestDigestForFixedCert(rtc::DIGEST_SHA_224, 28, kTestCertSha224);
 }

 TEST_F(SSLIdentityTest, FixedDigestSHA256) {
   TestDigestForFixedCert(rtc::DIGEST_SHA_256, 32, kTestCertSha256);
 }

 TEST_F(SSLIdentityTest, FixedDigestSHA384) {
   TestDigestForFixedCert(rtc::DIGEST_SHA_384, 48, kTestCertSha384);
 }

 TEST_F(SSLIdentityTest, FixedDigestSHA512) {
   TestDigestForFixedCert(rtc::DIGEST_SHA_512, 64, kTestCertSha512);
 }

 // HASH_AlgSHA224 is not supported in the chromium linux build.
 TEST_F(SSLIdentityTest, DigestSHA224) {
   TestDigestForGeneratedCert(rtc::DIGEST_SHA_224, 28);
 }

 TEST_F(SSLIdentityTest, DigestSHA256) {
   TestDigestForGeneratedCert(rtc::DIGEST_SHA_256, 32);
 }

 TEST_F(SSLIdentityTest, DigestSHA384) {
   TestDigestForGeneratedCert(rtc::DIGEST_SHA_384, 48);
 }

 TEST_F(SSLIdentityTest, DigestSHA512) {
   TestDigestForGeneratedCert(rtc::DIGEST_SHA_512, 64);
 }

 TEST_F(SSLIdentityTest, FromPEMStringsRSA) {
   static const char kRSA_PRIVATE_KEY_PEM[] =
       "-----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";

   static const char kCERT_PEM[] =
       "-----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";

   rtc::scoped_ptr<SSLIdentity> identity(
       SSLIdentity::FromPEMStrings(kRSA_PRIVATE_KEY_PEM, kCERT_PEM));
   EXPECT_TRUE(identity);
   EXPECT_EQ(kCERT_PEM, identity->certificate().ToPEMString());
 }

 TEST_F(SSLIdentityTest, FromPEMStringsEC) {
   static const char kRSA_PRIVATE_KEY_PEM[] =
       "-----BEGIN EC PRIVATE KEY-----\n"
       "MHcCAQEEIKkIztWLPbs4Y2zWv7VW2Ov4is2ifleCuPgRB8fRv3IkoAoGCCqGSM49\n"
       "AwEHoUQDQgAEDPV33NrhSdhg9cBRkUWUXnVMXc3h17i9ARbSmNgminKcBXb8/y8L\n"
       "A76cMWQPPM0ybHO8OS7ZVg2U/m+TwE1M2g==\n"
       "-----END EC PRIVATE KEY-----\n";
   static const char kCERT_PEM[] =
       "-----BEGIN CERTIFICATE-----\n"
       "MIIB0jCCAXmgAwIBAgIJAMCjpFt9t6LMMAoGCCqGSM49BAMCMEUxCzAJBgNVBAYT\n"
       "AkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBXaWRn\n"
       "aXRzIFB0eSBMdGQwIBcNMTUwNjMwMTMwMTIyWhgPMjI4OTA0MTMxMzAxMjJaMEUx\n"
       "CzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRl\n"
       "cm5ldCBXaWRnaXRzIFB0eSBMdGQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQM\n"
       "9Xfc2uFJ2GD1wFGRRZRedUxdzeHXuL0BFtKY2CaKcpwFdvz/LwsDvpwxZA88zTJs\n"
       "c7w5LtlWDZT+b5PATUzao1AwTjAdBgNVHQ4EFgQUYHq6nxNNIE832ZmaHc/noODO\n"
       "rtAwHwYDVR0jBBgwFoAUYHq6nxNNIE832ZmaHc/noODOrtAwDAYDVR0TBAUwAwEB\n"
       "/zAKBggqhkjOPQQDAgNHADBEAiAQRojsTyZG0BlKoU7gOt5h+yAMLl2cxmDtOIQr\n"
       "GWP/PwIgJynB4AUDsPT0DWmethOXYijB5sY5UPd9DvgmiS/Mr6s=\n"
       "-----END CERTIFICATE-----\n";

   rtc::scoped_ptr<SSLIdentity> identity(
       SSLIdentity::FromPEMStrings(kRSA_PRIVATE_KEY_PEM, kCERT_PEM));
   EXPECT_TRUE(identity);
   EXPECT_EQ(kCERT_PEM, identity->certificate().ToPEMString());
 }

 TEST_F(SSLIdentityTest, PemDerConversion) {
   std::string der;
   EXPECT_TRUE(SSLIdentity::PemToDer("CERTIFICATE", kTestCertificate, &der));

   EXPECT_EQ(kTestCertificate, SSLIdentity::DerToPem(
       "CERTIFICATE",
       reinterpret_cast<const unsigned char*>(der.data()), der.length()));
 }

 TEST_F(SSLIdentityTest, GetSignatureDigestAlgorithm) {
   TestGetSignatureDigestAlgorithm();
 }
	/*
	* Copyright 2011 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 <string>

	#include "webrtc/base/gunit.h"
	#include "webrtc/base/ssladapter.h"
	#include "webrtc/base/sslidentity.h"

	using rtc::SSLIdentity;

	const char kTestCertificate[] = "-----BEGIN CERTIFICATE-----\n"
	"MIIB6TCCAVICAQYwDQYJKoZIhvcNAQEEBQAwWzELMAkGA1UEBhMCQVUxEzARBgNV\n"
	"BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRswGQYD\n"
	"VQQDExJUZXN0IENBICgxMDI0IGJpdCkwHhcNMDAxMDE2MjIzMTAzWhcNMDMwMTE0\n"
	"MjIzMTAzWjBjMQswCQYDVQQGEwJBVTETMBEGA1UECBMKUXVlZW5zbGFuZDEaMBgG\n"
	"A1UEChMRQ3J5cHRTb2Z0IFB0eSBMdGQxIzAhBgNVBAMTGlNlcnZlciB0ZXN0IGNl\n"
	"cnQgKDUxMiBiaXQpMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAJ+zw4Qnlf8SMVIP\n"
	"Fe9GEcStgOY2Ww/dgNdhjeD8ckUJNP5VZkVDTGiXav6ooKXfX3j/7tdkuD8Ey2//\n"
	"Kv7+ue0CAwEAATANBgkqhkiG9w0BAQQFAAOBgQCT0grFQeZaqYb5EYfk20XixZV4\n"
	"GmyAbXMftG1Eo7qGiMhYzRwGNWxEYojf5PZkYZXvSqZ/ZXHXa4g59jK/rJNnaVGM\n"
	"k+xIX8mxQvlV0n5O9PIha5BX5teZnkHKgL8aKKLKW1BK7YTngsfSzzaeame5iKfz\n"
	"itAE+OjGF+PFKbwX8Q==\n"
	"-----END CERTIFICATE-----\n";

	const unsigned char kTestCertSha1[] = {
	0xA6, 0xC8, 0x59, 0xEA, 0xC3, 0x7E, 0x6D, 0x33,
	0xCF, 0xE2, 0x69, 0x9D, 0x74, 0xE6, 0xF6, 0x8A,
	0x9E, 0x47, 0xA7, 0xCA};
	const unsigned char kTestCertSha224[] = {
	0xd4, 0xce, 0xc6, 0xcf, 0x28, 0xcb, 0xe9, 0x77,
	0x38, 0x36, 0xcf, 0xb1, 0x3b, 0x4a, 0xd7, 0xbd,
	0xae, 0x24, 0x21, 0x08, 0xcf, 0x6a, 0x44, 0x0d,
	0x3f, 0x94, 0x2a, 0x5b};
	const unsigned char kTestCertSha256[] = {
	0x41, 0x6b, 0xb4, 0x93, 0x47, 0x79, 0x77, 0x24,
	0x77, 0x0b, 0x8b, 0x2e, 0xa6, 0x2b, 0xe0, 0xf9,
	0x0a, 0xed, 0x1f, 0x31, 0xa6, 0xf7, 0x5c, 0xa1,
	0x5a, 0xc4, 0xb0, 0xa2, 0xa4, 0x78, 0xb9, 0x76};
	const unsigned char kTestCertSha384[] = {
	0x42, 0x31, 0x9a, 0x79, 0x1d, 0xd6, 0x08, 0xbf,
	0x3b, 0xba, 0x36, 0xd8, 0x37, 0x4a, 0x9a, 0x75,
	0xd3, 0x25, 0x6e, 0x28, 0x92, 0xbe, 0x06, 0xb7,
	0xc5, 0xa0, 0x83, 0xe3, 0x86, 0xb1, 0x03, 0xfc,
	0x64, 0x47, 0xd6, 0xd8, 0xaa, 0xd9, 0x36, 0x60,
	0x04, 0xcc, 0xbe, 0x7d, 0x6a, 0xe8, 0x34, 0x49};
	const unsigned char kTestCertSha512[] = {
	0x51, 0x1d, 0xec, 0x02, 0x3d, 0x51, 0x45, 0xd3,
	0xd8, 0x1d, 0xa4, 0x9d, 0x43, 0xc9, 0xee, 0x32,
	0x6f, 0x4f, 0x37, 0xee, 0xab, 0x3f, 0x25, 0xdf,
	0x72, 0xfc, 0x61, 0x1a, 0xd5, 0x92, 0xff, 0x6b,
	0x28, 0x71, 0x58, 0xb3, 0xe1, 0x8a, 0x18, 0xcf,
	0x61, 0x33, 0x0e, 0x14, 0xc3, 0x04, 0xaa, 0x07,
	0xf6, 0xa5, 0xda, 0xdc, 0x42, 0x42, 0x22, 0x35,
	0xce, 0x26, 0x58, 0x4a, 0x33, 0x6d, 0xbc, 0xb6};

	class SSLIdentityTest : public testing::Test {
	public:
	SSLIdentityTest() {}

	~SSLIdentityTest() {
	}

	virtual void SetUp() {
	identity_rsa1_.reset(SSLIdentity::Generate("test1", rtc::KT_RSA));
	identity_rsa2_.reset(SSLIdentity::Generate("test2", rtc::KT_RSA));
	identity_ecdsa1_.reset(SSLIdentity::Generate("test3", rtc::KT_ECDSA));
	identity_ecdsa2_.reset(SSLIdentity::Generate("test4", rtc::KT_ECDSA));

	ASSERT_TRUE(identity_rsa1_);
	ASSERT_TRUE(identity_rsa2_);
	ASSERT_TRUE(identity_ecdsa1_);
	ASSERT_TRUE(identity_ecdsa2_);

	test_cert_.reset(rtc::SSLCertificate::FromPEMString(kTestCertificate));
	ASSERT_TRUE(test_cert_);
	}

	void TestGetSignatureDigestAlgorithm() {
	std::string digest_algorithm;

	ASSERT_TRUE(identity_rsa1_->certificate().GetSignatureDigestAlgorithm(
	&digest_algorithm));
	ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

	ASSERT_TRUE(identity_rsa2_->certificate().GetSignatureDigestAlgorithm(
	&digest_algorithm));
	ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

	ASSERT_TRUE(identity_ecdsa1_->certificate().GetSignatureDigestAlgorithm(
	&digest_algorithm));
	ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

	ASSERT_TRUE(identity_ecdsa2_->certificate().GetSignatureDigestAlgorithm(
	&digest_algorithm));
	ASSERT_EQ(rtc::DIGEST_SHA_256, digest_algorithm);

	// The test certificate has an MD5-based signature.
	ASSERT_TRUE(test_cert_->GetSignatureDigestAlgorithm(&digest_algorithm));
	ASSERT_EQ(rtc::DIGEST_MD5, digest_algorithm);
	}

	typedef unsigned char DigestType[rtc::MessageDigest::kMaxSize];

	void TestDigestHelper(DigestType digest,
	const SSLIdentity* identity,
	const std::string& algorithm,
	size_t expected_len) {
	DigestType digest1;
	size_t digest_len;
	bool rv;

	memset(digest, 0, expected_len);
	rv = identity->certificate().ComputeDigest(algorithm, digest,
	sizeof(DigestType), &digest_len);
	EXPECT_TRUE(rv);
	EXPECT_EQ(expected_len, digest_len);

	// Repeat digest computation for the identity as a sanity check.
	memset(digest1, 0xff, expected_len);
	rv = identity->certificate().ComputeDigest(algorithm, digest1,
	sizeof(DigestType), &digest_len);
	EXPECT_TRUE(rv);
	EXPECT_EQ(expected_len, digest_len);

	EXPECT_EQ(0, memcmp(digest, digest1, expected_len));
	}

	void TestDigestForGeneratedCert(const std::string& algorithm,
	size_t expected_len) {
	DigestType digest[4];

	ASSERT_TRUE(expected_len <= sizeof(DigestType));

	TestDigestHelper(digest[0], identity_rsa1_.get(), algorithm, expected_len);
	TestDigestHelper(digest[1], identity_rsa2_.get(), algorithm, expected_len);
	TestDigestHelper(digest[2], identity_ecdsa1_.get(), algorithm,
	expected_len);
	TestDigestHelper(digest[3], identity_ecdsa2_.get(), algorithm,
	expected_len);

	// Sanity check that all four digests are unique. This could theoretically
	// fail, since cryptographic hash collisions have a non-zero probability.
	for (int i = 0; i < 4; i++) {
	for (int j = 0; j < 4; j++) {
	if (i != j)
	EXPECT_NE(0, memcmp(digest[i], digest[j], expected_len));
	}
	}
	}

	void TestDigestForFixedCert(const std::string& algorithm,
	size_t expected_len,
	const unsigned char* expected_digest) {
	bool rv;
	DigestType digest;
	size_t digest_len;

	ASSERT_TRUE(expected_len <= sizeof(DigestType));

	rv = test_cert_->ComputeDigest(algorithm, digest, sizeof(digest),
	&digest_len);
	EXPECT_TRUE(rv);
	EXPECT_EQ(expected_len, digest_len);
	EXPECT_EQ(0, memcmp(digest, expected_digest, expected_len));
	}

	private:
	rtc::scoped_ptr<SSLIdentity> identity_rsa1_;
	rtc::scoped_ptr<SSLIdentity> identity_rsa2_;
	rtc::scoped_ptr<SSLIdentity> identity_ecdsa1_;
	rtc::scoped_ptr<SSLIdentity> identity_ecdsa2_;
	rtc::scoped_ptr<rtc::SSLCertificate> test_cert_;
	};

	TEST_F(SSLIdentityTest, FixedDigestSHA1) {
	TestDigestForFixedCert(rtc::DIGEST_SHA_1, 20, kTestCertSha1);
	}

	// HASH_AlgSHA224 is not supported in the chromium linux build.
	TEST_F(SSLIdentityTest, FixedDigestSHA224) {
	TestDigestForFixedCert(rtc::DIGEST_SHA_224, 28, kTestCertSha224);
	}

	TEST_F(SSLIdentityTest, FixedDigestSHA256) {
	TestDigestForFixedCert(rtc::DIGEST_SHA_256, 32, kTestCertSha256);
	}

	TEST_F(SSLIdentityTest, FixedDigestSHA384) {
	TestDigestForFixedCert(rtc::DIGEST_SHA_384, 48, kTestCertSha384);
	}

	TEST_F(SSLIdentityTest, FixedDigestSHA512) {
	TestDigestForFixedCert(rtc::DIGEST_SHA_512, 64, kTestCertSha512);
	}

	// HASH_AlgSHA224 is not supported in the chromium linux build.
	TEST_F(SSLIdentityTest, DigestSHA224) {
	TestDigestForGeneratedCert(rtc::DIGEST_SHA_224, 28);
	}

	TEST_F(SSLIdentityTest, DigestSHA256) {
	TestDigestForGeneratedCert(rtc::DIGEST_SHA_256, 32);
	}

	TEST_F(SSLIdentityTest, DigestSHA384) {
	TestDigestForGeneratedCert(rtc::DIGEST_SHA_384, 48);
	}

	TEST_F(SSLIdentityTest, DigestSHA512) {
	TestDigestForGeneratedCert(rtc::DIGEST_SHA_512, 64);
	}

	TEST_F(SSLIdentityTest, FromPEMStringsRSA) {
	static const char kRSA_PRIVATE_KEY_PEM[] =
	"-----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";

	static const char kCERT_PEM[] =
	"-----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";

	rtc::scoped_ptr<SSLIdentity> identity(
	SSLIdentity::FromPEMStrings(kRSA_PRIVATE_KEY_PEM, kCERT_PEM));
	EXPECT_TRUE(identity);
	EXPECT_EQ(kCERT_PEM, identity->certificate().ToPEMString());
	}

	TEST_F(SSLIdentityTest, FromPEMStringsEC) {
	static const char kRSA_PRIVATE_KEY_PEM[] =
	"-----BEGIN EC PRIVATE KEY-----\n"
	"MHcCAQEEIKkIztWLPbs4Y2zWv7VW2Ov4is2ifleCuPgRB8fRv3IkoAoGCCqGSM49\n"
	"AwEHoUQDQgAEDPV33NrhSdhg9cBRkUWUXnVMXc3h17i9ARbSmNgminKcBXb8/y8L\n"
	"A76cMWQPPM0ybHO8OS7ZVg2U/m+TwE1M2g==\n"
	"-----END EC PRIVATE KEY-----\n";
	static const char kCERT_PEM[] =
	"-----BEGIN CERTIFICATE-----\n"
	"MIIB0jCCAXmgAwIBAgIJAMCjpFt9t6LMMAoGCCqGSM49BAMCMEUxCzAJBgNVBAYT\n"
	"AkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBXaWRn\n"
	"aXRzIFB0eSBMdGQwIBcNMTUwNjMwMTMwMTIyWhgPMjI4OTA0MTMxMzAxMjJaMEUx\n"
	"CzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRl\n"
	"cm5ldCBXaWRnaXRzIFB0eSBMdGQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQM\n"
	"9Xfc2uFJ2GD1wFGRRZRedUxdzeHXuL0BFtKY2CaKcpwFdvz/LwsDvpwxZA88zTJs\n"
	"c7w5LtlWDZT+b5PATUzao1AwTjAdBgNVHQ4EFgQUYHq6nxNNIE832ZmaHc/noODO\n"
	"rtAwHwYDVR0jBBgwFoAUYHq6nxNNIE832ZmaHc/noODOrtAwDAYDVR0TBAUwAwEB\n"
	"/zAKBggqhkjOPQQDAgNHADBEAiAQRojsTyZG0BlKoU7gOt5h+yAMLl2cxmDtOIQr\n"
	"GWP/PwIgJynB4AUDsPT0DWmethOXYijB5sY5UPd9DvgmiS/Mr6s=\n"
	"-----END CERTIFICATE-----\n";

	rtc::scoped_ptr<SSLIdentity> identity(
	SSLIdentity::FromPEMStrings(kRSA_PRIVATE_KEY_PEM, kCERT_PEM));
	EXPECT_TRUE(identity);
	EXPECT_EQ(kCERT_PEM, identity->certificate().ToPEMString());
	}

	TEST_F(SSLIdentityTest, PemDerConversion) {
	std::string der;
	EXPECT_TRUE(SSLIdentity::PemToDer("CERTIFICATE", kTestCertificate, &der));

	EXPECT_EQ(kTestCertificate, SSLIdentity::DerToPem(
	"CERTIFICATE",
	reinterpret_cast<const unsigned char*>(der.data()), der.length()));
	}

	TEST_F(SSLIdentityTest, GetSignatureDigestAlgorithm) {
	TestGetSignatureDigestAlgorithm();
	}