Support tls-server-end-point channel bindings for HTTP authentication.

net/cert/x509_util_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/x509_util.h"
 
 #include <algorithm>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 170 matching lines @@
       &der_cert));
 
   scoped_refptr<X509Certificate> cert =
       X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
   ASSERT_TRUE(cert.get());
 
   EXPECT_EQ("subject", cert->subject().GetDisplayName());
   EXPECT_FALSE(cert->HasExpired());
 }
 
+#if defined(USE_OPENSSL)
+// This is a test case based on
+// http://blogs.msdn.com/b/openspecification/archive/2013/03/26/ntlm-and-channel-binding-hash-aka-exteneded-protection-for-authentication.aspx
+// There doesn't seem to be too many public test vectors for channel bindings.
+TEST(X509UtilTest, CreateChannelBindings_SHA1) {
+  // Certificate:
+  //     Data:
+  //         Version: 3 (0x2)
+  //         Serial Number:
+  //              (Negative)34:96:86:32:ae:8a:3a:48:b4:98:cf:7c:93:87:bb:d9
+  //     Signature Algorithm: sha1WithRSA
+  //       ...
+  const uint8_t kCertificateDataDER[] = {
+      0x30, 0x82, 0x02, 0x09, 0x30, 0x82, 0x01, 0x76, 0xa0, 0x03, 0x02, 0x01,
+      0x02, 0x02, 0x10, 0xcb, 0x69, 0x79, 0xcd, 0x51, 0x75, 0xc5, 0xb7, 0x4b,
+      0x67, 0x30, 0x83, 0x6c, 0x78, 0x44, 0x27, 0x30, 0x09, 0x06, 0x05, 0x2b,
+      0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12,
+      0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53,
+      0x32, 0x30, 0x30, 0x38, 0x52, 0x32, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x32,
+      0x31, 0x31, 0x31, 0x37, 0x30, 0x30, 0x35, 0x39, 0x32, 0x31, 0x5a, 0x17,
+      0x0d, 0x33, 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35,
+      0x39, 0x5a, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04,
+      0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53, 0x32, 0x30, 0x30, 0x38,
+      0x52, 0x32, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
+      0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
+      0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0x9b, 0x00, 0xf8, 0x1a, 0x2d,
+      0x37, 0xc6, 0x8d, 0xa1, 0x39, 0x91, 0x46, 0xf3, 0x6a, 0x1b, 0xf9, 0x60,
+      0x6c, 0xb3, 0x6c, 0xa0, 0xac, 0xed, 0x85, 0xe0, 0x3f, 0xdc, 0x92, 0x86,
+      0x36, 0xbd, 0x64, 0xbf, 0x36, 0x51, 0xdb, 0x57, 0x3a, 0x8a, 0x82, 0x6b,
+      0xd8, 0x94, 0x17, 0x7b, 0xd3, 0x91, 0x11, 0x98, 0xef, 0x19, 0x06, 0x52,
+      0x30, 0x03, 0x73, 0x67, 0xc8, 0xed, 0x8e, 0xfa, 0x0b, 0x3d, 0x4c, 0xc9,
+      0x10, 0x63, 0x9f, 0xcf, 0xb4, 0xcf, 0x39, 0xd8, 0xfe, 0x99, 0xeb, 0x5b,
+      0x11, 0xf2, 0xfc, 0xfa, 0x86, 0x24, 0xd9, 0xff, 0xd9, 0x19, 0xf5, 0x69,
+      0xb4, 0xdf, 0x5a, 0x5a, 0xc4, 0x94, 0xb4, 0xb0, 0x07, 0x25, 0x97, 0x13,
+      0xad, 0x7e, 0x38, 0x14, 0xfb, 0xd6, 0x33, 0x65, 0x6f, 0xe6, 0xf7, 0x48,
+      0x4b, 0x2d, 0xb3, 0x51, 0x2e, 0x6d, 0xc7, 0xea, 0x11, 0x76, 0x9a, 0x2b,
+      0xf0, 0x00, 0x4d, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x60, 0x30, 0x5e,
+      0x30, 0x13, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a, 0x06,
+      0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x30, 0x47, 0x06,
+      0x03, 0x55, 0x1d, 0x01, 0x04, 0x40, 0x30, 0x3e, 0x80, 0x10, 0xeb, 0x65,
+      0x26, 0x03, 0x95, 0x4b, 0xd6, 0xc0, 0x54, 0x75, 0x78, 0x7c, 0xb6, 0x2a,
+      0xa1, 0xbb, 0xa1, 0x18, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03,
+      0x55, 0x04, 0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53, 0x32, 0x30,
+      0x30, 0x38, 0x52, 0x32, 0x82, 0x10, 0xcb, 0x69, 0x79, 0xcd, 0x51, 0x75,
+      0xc5, 0xb7, 0x4b, 0x67, 0x30, 0x83, 0x6c, 0x78, 0x44, 0x27, 0x30, 0x09,
+      0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x03, 0x81, 0x81,
+      0x00, 0x7b, 0xfa, 0xfe, 0xee, 0x74, 0x05, 0xac, 0xbb, 0x79, 0xe9, 0xda,
+      0xca, 0x00, 0x44, 0x96, 0x94, 0x71, 0x92, 0xb1, 0xdb, 0xc9, 0x9b, 0x71,
+      0x29, 0xc0, 0xe4, 0x28, 0x5e, 0x6a, 0x50, 0x99, 0xcd, 0xa8, 0x17, 0xe4,
+      0x56, 0xb9, 0xef, 0x7f, 0x02, 0x7d, 0x96, 0xa3, 0x48, 0x14, 0x72, 0x75,
+      0x2f, 0xb0, 0xb5, 0x87, 0xee, 0x55, 0xe9, 0x6a, 0x6d, 0x28, 0x3c, 0xc1,
+      0xfd, 0x00, 0xe4, 0x76, 0xe3, 0x80, 0x88, 0x78, 0x26, 0x0d, 0x6c, 0x8c,
+      0xb8, 0x64, 0x61, 0x63, 0xb7, 0x13, 0x3a, 0xab, 0xc7, 0xdd, 0x1d, 0x0a,
+      0xd7, 0x15, 0x45, 0xa1, 0xd6, 0xd9, 0x34, 0xc7, 0x21, 0x48, 0xfb, 0x43,
+      0x87, 0x38, 0xda, 0x1f, 0x50, 0x47, 0xb1, 0xa5, 0x5c, 0x47, 0xed, 0x04,
+      0x44, 0x97, 0xd3, 0xac, 0x74, 0x2d, 0xeb, 0x09, 0x77, 0x59, 0xbf, 0xa3,
+      0x54, 0x5b, 0xde, 0x42, 0xd5, 0x23, 0x5a, 0x71, 0x9f};
+
+  const unsigned char kExpectedServerEndPointToken[] = {
+      0x74, 0x6c, 0x73, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2d,
+      0x65, 0x6e, 0x64, 0x2d, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x3a, 0xea,
+      0x05, 0xfe, 0xfe, 0xcc, 0x6b, 0x0b, 0xd5, 0x71, 0xdb, 0xbc, 0x5b,
+      0xaa, 0x3e, 0xd4, 0x53, 0x86, 0xd0, 0x44, 0x68, 0x35, 0xf7, 0xb7,
+      0x4c, 0x85, 0x62, 0x1b, 0x99, 0x83, 0x47, 0x5f, 0x95,
+  };
+
+  scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
+      reinterpret_cast<const char*>(kCertificateDataDER),
+      sizeof(kCertificateDataDER));
+
+  std::string channel_bindings;
+  ASSERT_TRUE(
+      x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
+
+  std::string expected_channel_bindings(
+      std::begin(kExpectedServerEndPointToken),
+      std::end(kExpectedServerEndPointToken));
+  EXPECT_EQ(expected_channel_bindings, channel_bindings);
+}
+
+TEST(X509UtilTest, CreateChannelBindings_SHA256) {
+  // Certificate:
+  //  Data:
+  //      Version: 3 (0x2)
+  //      Serial Number: 14673274151129443507 (0xcba1f1191dfdecb3)
+  //  Signature Algorithm: sha256WithRSAEncryption
+  //    ...
+  const uint8_t kCertificateDataDER[] = {
+      0x30, 0x82, 0x03, 0x8f, 0x30, 0x82, 0x02, 0x77, 0xa0, 0x03, 0x02, 0x01,
+      0x02, 0x02, 0x09, 0x00, 0xcb, 0xa1, 0xf1, 0x19, 0x1d, 0xfd, 0xec, 0xb3,
+      0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+      0x0b, 0x05, 0x00, 0x30, 0x5e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
+      0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
+      0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06,
+      0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69,
+      0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x0a,
+      0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e, 0x63,
+      0x2e, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f,
+      0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e,
+      0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x33, 0x31,
+      0x37, 0x31, 0x39, 0x33, 0x39, 0x34, 0x34, 0x5a, 0x17, 0x0d, 0x31, 0x36,
+      0x30, 0x34, 0x31, 0x36, 0x31, 0x39, 0x33, 0x39, 0x34, 0x34, 0x5a, 0x30,
+      0x5e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
+      0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c,
+      0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07,
+      0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69, 0x64, 0x67, 0x65, 0x31,
+      0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0b, 0x4d, 0x6d,
+      0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x18, 0x30,
+      0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e,
+      0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30,
+      0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
+      0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
+      0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xc6, 0x31, 0xfe, 0x13,
+      0x0a, 0xb2, 0x87, 0xc0, 0xb9, 0xa4, 0xb9, 0x86, 0x98, 0x92, 0xc1, 0x48,
+      0x41, 0x89, 0xd9, 0xe6, 0xe9, 0x36, 0x1a, 0xd6, 0x1c, 0xcb, 0x86, 0x3a,
+      0xec, 0x34, 0x3a, 0xbf, 0x2a, 0xe7, 0x91, 0x33, 0xf4, 0x3e, 0xa4, 0x1b,
+      0x9a, 0xc3, 0xa4, 0x66, 0xa0, 0x6d, 0xbf, 0x75, 0x44, 0x1a, 0x79, 0xda,
+      0x23, 0x06, 0x5c, 0x07, 0x5c, 0x52, 0x84, 0x46, 0x40, 0xcf, 0x26, 0xa1,
+      0x65, 0x65, 0x4e, 0x36, 0x1a, 0xd2, 0xc9, 0x40, 0x28, 0x1e, 0x6f, 0x4f,
+      0x7e, 0xb7, 0x10, 0xcd, 0x55, 0x6c, 0xca, 0xf1, 0xfa, 0x66, 0xfb, 0x3e,
+      0xb0, 0xf4, 0xc1, 0x92, 0xec, 0xec, 0x0c, 0x1c, 0x79, 0x23, 0x5d, 0xf6,
+      0xc0, 0xed, 0xb7, 0x39, 0xa7, 0x59, 0x98, 0xa7, 0x9d, 0x9e, 0x3b, 0xe1,
+      0x77, 0x8b, 0x2d, 0x2b, 0x02, 0x5f, 0x30, 0x46, 0xa9, 0x78, 0x47, 0x6f,
+      0x05, 0x7d, 0xbc, 0x84, 0x37, 0x09, 0x40, 0x20, 0xba, 0x16, 0x96, 0x4c,
+      0xfd, 0xea, 0x83, 0x3e, 0x50, 0xda, 0x24, 0xf4, 0x61, 0x52, 0xfe, 0x9b,
+      0xd5, 0x71, 0x37, 0x18, 0x11, 0xe0, 0x7c, 0xbe, 0x98, 0x95, 0x6c, 0x61,
+      0xab, 0x9b, 0xdc, 0x5c, 0x59, 0x7d, 0x85, 0x0c, 0xc5, 0x32, 0x07, 0x65,
+      0x1e, 0x6a, 0x15, 0xe6, 0xbd, 0xc6, 0xbd, 0xd5, 0x91, 0xea, 0x9d, 0x2f,
+      0x0f, 0xdf, 0xef, 0xff, 0x1e, 0x2d, 0x50, 0x44, 0xca, 0x38, 0x27, 0xe3,
+      0x20, 0x79, 0x44, 0x47, 0x7a, 0xe3, 0xea, 0x7a, 0x70, 0x41, 0x26, 0x87,
+      0xe0, 0x1a, 0x49, 0x1d, 0x62, 0x34, 0xe5, 0xde, 0xc3, 0xb3, 0x12, 0xb8,
+      0xa2, 0xf9, 0xad, 0x1b, 0x6a, 0x0f, 0x04, 0xa8, 0xfb, 0xca, 0xe4, 0x01,
+      0x6d, 0x77, 0x1f, 0x72, 0xff, 0x58, 0x49, 0x05, 0x1c, 0x1a, 0xb7, 0x76,
+      0x29, 0x77, 0x93, 0xcc, 0x09, 0xe8, 0xb7, 0x03, 0x2f, 0x1b, 0xe2, 0xcd,
+      0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x1d, 0x06,
+      0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xb7, 0x64, 0x60, 0xe7,
+      0x6e, 0xb6, 0xaa, 0x25, 0x46, 0xe2, 0x8e, 0x98, 0xac, 0x81, 0xb0, 0xe7,
+      0x10, 0x14, 0x85, 0x6d, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04,
+      0x18, 0x30, 0x16, 0x80, 0x14, 0xb7, 0x64, 0x60, 0xe7, 0x6e, 0xb6, 0xaa,
+      0x25, 0x46, 0xe2, 0x8e, 0x98, 0xac, 0x81, 0xb0, 0xe7, 0x10, 0x14, 0x85,
+      0x6d, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03,
+      0x01, 0x01, 0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
+      0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x44,
+      0xc4, 0x46, 0x89, 0x69, 0x21, 0xd0, 0x81, 0x30, 0xe3, 0x38, 0xb8, 0x80,
+      0xa5, 0x23, 0xd4, 0xfc, 0xe5, 0x12, 0x0f, 0xab, 0x01, 0x44, 0x67, 0xe4,
+      0x59, 0x86, 0xd0, 0xa1, 0x8c, 0x2b, 0x36, 0xf0, 0x63, 0x51, 0xbe, 0x24,
+      0xfa, 0xf3, 0x1d, 0xc9, 0xfd, 0x40, 0x99, 0x48, 0xea, 0x95, 0x6e, 0xab,
+      0xcf, 0xeb, 0x2b, 0x2d, 0x4e, 0xd2, 0xdf, 0xb2, 0xb9, 0x18, 0x27, 0xe3,
+      0xc9, 0x17, 0xde, 0x25, 0x6c, 0xcc, 0x80, 0x5a, 0xd5, 0x3b, 0xc5, 0xc8,
+      0x3a, 0xc6, 0xcb, 0xa0, 0x33, 0xd3, 0x80, 0x20, 0x4e, 0x3f, 0x61, 0x67,
+      0x16, 0x0e, 0xbc, 0xf3, 0x25, 0xe9, 0x62, 0xfa, 0x7f, 0x0e, 0x75, 0x11,
+      0xcb, 0x68, 0x24, 0x34, 0x96, 0x1d, 0xb2, 0x88, 0xb7, 0xeb, 0x5e, 0x9c,
+      0xc7, 0xa0, 0x3b, 0xcf, 0x4e, 0x3c, 0x7c, 0x6c, 0x29, 0x1b, 0xa5, 0x74,
+      0x4d, 0x90, 0xe1, 0xd9, 0x6a, 0x6c, 0x54, 0x6b, 0xce, 0x3d, 0x70, 0x99,
+      0xf0, 0x11, 0xc3, 0xda, 0xce, 0xe9, 0xba, 0xc4, 0x91, 0x97, 0xe7, 0x44,
+      0x09, 0xa4, 0x39, 0x36, 0xb5, 0xff, 0x3a, 0xce, 0x5d, 0xf1, 0x0b, 0x03,
+      0xab, 0xea, 0x0c, 0xe6, 0xbd, 0xd4, 0x43, 0xed, 0x8d, 0x9c, 0xcd, 0x8e,
+      0x14, 0xf9, 0xa7, 0xc7, 0xdc, 0xe0, 0xd8, 0xe7, 0x37, 0xf5, 0x48, 0xe8,
+      0x84, 0x4c, 0xcd, 0x70, 0x1b, 0xe5, 0x71, 0xa7, 0x4d, 0xc3, 0x03, 0x5e,
+      0x50, 0x8a, 0xc4, 0x7c, 0x9c, 0xa4, 0x6f, 0x91, 0xfa, 0x9f, 0xdc, 0xef,
+      0x2b, 0x42, 0xe7, 0xd0, 0x0d, 0x60, 0x72, 0x71, 0xe7, 0x13, 0xff, 0x43,
+      0xcb, 0x64, 0x33, 0x37, 0x2e, 0xe9, 0x09, 0xeb, 0x7e, 0x8f, 0x15, 0x99,
+      0xc9, 0x0d, 0xb0, 0xcb, 0xf0, 0x1f, 0x02, 0xf7, 0xb7, 0x3a, 0xa0, 0x6b,
+      0x57, 0xb3, 0x33, 0x14, 0xdb, 0x06, 0x7f, 0x98, 0x6f, 0xc4, 0x32, 0xd5,
+      0x14, 0x83, 0x7a};
+
+  const unsigned char kExpectedServerEndPointToken[] = {
+      0x74, 0x6c, 0x73, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2d,
+      0x65, 0x6e, 0x64, 0x2d, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x3a, 0x96,
+      0x4c, 0xd0, 0x44, 0x53, 0x81, 0x0b, 0x35, 0x01, 0x05, 0x54, 0x02,
+      0x15, 0x79, 0xac, 0x74, 0x3c, 0xa4, 0x91, 0xa2, 0xb7, 0x60, 0xbe,
+      0x75, 0x57, 0x0e, 0xaf, 0xa3, 0x10, 0xbf, 0xf1, 0xbb,
+  };
+
+  scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
+      reinterpret_cast<const char*>(kCertificateDataDER),
+      sizeof(kCertificateDataDER));
+
+  std::string channel_bindings;
+  ASSERT_TRUE(
+      x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
+
+  std::string expected_channel_bindings(
+      std::begin(kExpectedServerEndPointToken),
+      std::end(kExpectedServerEndPointToken));
+  EXPECT_EQ(expected_channel_bindings, channel_bindings);
+}
+
+TEST(X509UtilTest, CreateChannelBindings_SHA384) {
+  // Certificate:
+  //  Data:
+  //      Version: 3 (0x2)
+  //      Serial Number: 10071585730232401378 (0x8bc575dc2f653de2)
+  //  Signature Algorithm: sha384WithRSAEncryption
+  //    ...
+  const uint8_t kCertificateDataDER[] = {
+      0x30, 0x82, 0x03, 0xe1, 0x30, 0x82, 0x02, 0xc9, 0xa0, 0x03, 0x02, 0x01,
+      0x02, 0x02, 0x09, 0x00, 0x8b, 0xc5, 0x75, 0xdc, 0x2f, 0x65, 0x3d, 0xe2,
+      0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+      0x0c, 0x05, 0x00, 0x30, 0x81, 0x86, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
+      0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06,
+      0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10,
+      0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72,
+      0x69, 0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04,
+      0x0a, 0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e,
+      0x63, 0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c,
+      0x1d, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x20, 0x43, 0x65, 0x72, 0x74,
+      0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x47, 0x65, 0x6e, 0x65,
+      0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03,
+      0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61,
+      0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d,
+      0x31, 0x36, 0x30, 0x33, 0x31, 0x37, 0x31, 0x39, 0x35, 0x36, 0x34, 0x39,
+      0x5a, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x34, 0x31, 0x36, 0x31, 0x39, 0x35,
+      0x36, 0x34, 0x39, 0x5a, 0x30, 0x81, 0x86, 0x31, 0x0b, 0x30, 0x09, 0x06,
+      0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09,
+      0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30,
+      0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62,
+      0x72, 0x69, 0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55,
+      0x04, 0x0a, 0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49,
+      0x6e, 0x63, 0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x0b,
+      0x0c, 0x1d, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x20, 0x43, 0x65, 0x72,
+      0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x47, 0x65, 0x6e,
+      0x65, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x31, 0x18, 0x30, 0x16, 0x06,
+      0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78,
+      0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x82, 0x01,
+      0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
+      0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01,
+      0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xb4, 0xfa, 0x6c, 0xe7, 0xac, 0x91,
+      0xa4, 0x00, 0xe1, 0xe8, 0xed, 0x5b, 0xe5, 0x86, 0x6b, 0x3d, 0x1d, 0x87,
+      0xf7, 0x49, 0x5a, 0xda, 0x67, 0x65, 0x34, 0x57, 0x7b, 0x70, 0x71, 0x11,
+      0xbd, 0xee, 0xfe, 0x01, 0x91, 0xb6, 0x43, 0x11, 0x0f, 0xec, 0x3f, 0x2f,
+      0x05, 0xdb, 0x28, 0x44, 0x7e, 0x9c, 0x2b, 0xbb, 0xe9, 0x49, 0x2b, 0x62,
+      0x1e, 0x8b, 0x4c, 0xf9, 0xa8, 0x2f, 0xfb, 0x24, 0x83, 0x13, 0xeb, 0x7f,
+      0x52, 0x4c, 0xbb, 0xc5, 0x89, 0x6c, 0xe4, 0x22, 0xc0, 0x0c, 0x71, 0xda,
+      0xb2, 0x36, 0xae, 0xc8, 0xe5, 0x10, 0x8f, 0x4a, 0x68, 0x65, 0xc3, 0x07,
+      0xb5, 0xcf, 0xec, 0x08, 0xd9, 0x4b, 0x13, 0x4a, 0x25, 0x56, 0xec, 0x74,
+      0x4d, 0xb3, 0xb5, 0x77, 0x3f, 0xf9, 0xa5, 0x0b, 0x15, 0x80, 0xf9, 0xe7,
+      0x01, 0x4b, 0x73, 0x6a, 0x1e, 0xc8, 0xb0, 0x7a, 0x58, 0x13, 0x25, 0x50,
+      0x40, 0x7e, 0x5c, 0x5d, 0xff, 0x2b, 0x9d, 0xf5, 0x43, 0xd2, 0xed, 0xca,
+      0x87, 0xe3, 0x4e, 0x9f, 0x25, 0xa7, 0x75, 0xe9, 0x48, 0x7e, 0xb9, 0x38,
+      0x74, 0x3f, 0x30, 0x6b, 0xec, 0x94, 0xb8, 0x0f, 0x00, 0x41, 0x60, 0xaa,
+      0x48, 0x7d, 0x17, 0x65, 0x1a, 0x9a, 0x0d, 0x49, 0x18, 0xe8, 0x72, 0xbb,
+      0x16, 0x37, 0xa0, 0x65, 0x0c, 0xe4, 0x69, 0x0f, 0x93, 0xca, 0x80, 0x7e,
+      0xf6, 0x90, 0xbd, 0xf2, 0x86, 0xa3, 0xb6, 0x81, 0x7c, 0xe3, 0x40, 0x7a,
+      0x65, 0x33, 0x71, 0xfd, 0x8c, 0xe6, 0xf6, 0x63, 0xcf, 0x40, 0xdd, 0x29,
+      0xf2, 0x15, 0x25, 0x96, 0x1a, 0xa5, 0x14, 0x1e, 0xa2, 0xfd, 0x53, 0xb8,
+      0xbc, 0x20, 0x10, 0x87, 0xcb, 0x8e, 0x24, 0xa9, 0x47, 0x60, 0x47, 0xcc,
+      0xb2, 0x2e, 0xe5, 0x0f, 0x3e, 0x2c, 0x22, 0x9a, 0x1b, 0x46, 0x5a, 0xe4,
+      0x2b, 0x7f, 0x4a, 0xab, 0x33, 0x49, 0xea, 0xd8, 0x6a, 0xd5, 0x02, 0x03,
+      0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x1d, 0x06, 0x03, 0x55,
+      0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x0f, 0x62, 0xc9, 0x94, 0xc0, 0x00,
+      0x55, 0x51, 0x60, 0x36, 0xce, 0xd6, 0x4d, 0x6b, 0x5e, 0x20, 0x02, 0x6c,
+      0x2e, 0xed, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
+      0x16, 0x80, 0x14, 0x0f, 0x62, 0xc9, 0x94, 0xc0, 0x00, 0x55, 0x51, 0x60,
+      0x36, 0xce, 0xd6, 0x4d, 0x6b, 0x5e, 0x20, 0x02, 0x6c, 0x2e, 0xed, 0x30,
+      0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01,
+      0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
+      0x01, 0x0c, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x31, 0x7f, 0xcd,
+      0x8b, 0xf1, 0x9c, 0x87, 0x59, 0xed, 0xe2, 0x36, 0x18, 0x84, 0x1c, 0x54,
+      0x4e, 0x92, 0x45, 0xaf, 0xe9, 0xa1, 0x78, 0x89, 0x6e, 0xad, 0xec, 0x51,
+      0xf9, 0x81, 0x70, 0xd9, 0x94, 0x01, 0xa9, 0x2a, 0x0d, 0x5f, 0xda, 0x83,
+      0x49, 0x32, 0x24, 0x7e, 0xfd, 0x73, 0x97, 0xa2, 0x05, 0xd4, 0xf1, 0xb7,
+      0x3f, 0xa0, 0x49, 0xbc, 0x0c, 0x85, 0x3e, 0xd3, 0x15, 0x67, 0xef, 0x5f,
+      0xfb, 0xbe, 0x0d, 0x2a, 0x97, 0xcd, 0xaa, 0x24, 0x1e, 0x5a, 0xdd, 0x47,
+      0xcf, 0x70, 0xe4, 0x93, 0xe6, 0xc3, 0xad, 0x78, 0x84, 0x60, 0xfa, 0x16,
+      0x2e, 0xcc, 0x98, 0x88, 0xde, 0x80, 0xbb, 0x8f, 0x46, 0xfd, 0x59, 0x95,
+      0xb4, 0x0b, 0x07, 0x8a, 0x67, 0x04, 0x10, 0xbd, 0x32, 0xb0, 0xa2, 0xfe,
+      0x0f, 0xe0, 0x3e, 0x49, 0x84, 0x89, 0xc6, 0x18, 0xd9, 0xca, 0xdd, 0x63,
+      0x0d, 0x55, 0x46, 0x56, 0xd1, 0x83, 0xcb, 0x0d, 0x23, 0x21, 0xb3, 0x59,
+      0xa9, 0xd5, 0x56, 0x83, 0x4f, 0xf0, 0x92, 0x0b, 0xcc, 0xed, 0x93, 0x02,
+      0xe7, 0x07, 0x92, 0x15, 0x90, 0x18, 0x78, 0xc9, 0xf4, 0x59, 0x0e, 0xbe,
+      0xaa, 0x3e, 0x91, 0xb7, 0x81, 0xa2, 0x0c, 0x28, 0x04, 0xde, 0x78, 0xb0,
+      0xd1, 0x54, 0x90, 0x8f, 0x3c, 0xfd, 0x2e, 0x36, 0x6e, 0xfe, 0x7b, 0xf6,
+      0xce, 0x65, 0xae, 0x99, 0xa5, 0x38, 0x29, 0x4b, 0x13, 0x2f, 0x01, 0xa8,
+      0xb0, 0xd0, 0x43, 0x22, 0x01, 0xd1, 0x71, 0x35, 0x93, 0xcf, 0x1e, 0x9e,
+      0x05, 0x03, 0x05, 0xff, 0xfc, 0x35, 0x34, 0x6f, 0x49, 0x04, 0xe6, 0x58,
+      0xa6, 0x0a, 0xb6, 0x13, 0x67, 0xd8, 0x1e, 0xe7, 0x33, 0x0f, 0x51, 0xb1,
+      0x5c, 0x75, 0x1c, 0xea, 0x2b, 0x94, 0xec, 0x32, 0x7e, 0xb0, 0x8c, 0xb7,
+      0x63, 0xf4, 0x83, 0x58, 0x3e, 0x47, 0xb7, 0x92, 0x67, 0x2c, 0xd5, 0xdb,
+      0x48};
+
+  const unsigned char kExpectedServerEndPointToken[] = {
+      0x74, 0x6c, 0x73, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2d, 0x65,
+      0x6e, 0x64, 0x2d, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x3a, 0x9c, 0xd9, 0x91,
+      0xd4, 0x57, 0x1b, 0x64, 0x9d, 0x84, 0x31, 0xfd, 0xda, 0x3d, 0xaa, 0x2e,
+      0x26, 0xab, 0xee, 0x40, 0x6b, 0x95, 0x36, 0x82, 0xc4, 0x5f, 0xad, 0xc1,
+      0x26, 0x29, 0x72, 0xda, 0xe6, 0xfd, 0xa6, 0xd8, 0x0e, 0xab, 0xa2, 0xca,
+      0x7d, 0x7d, 0x18, 0xa8, 0xee, 0x80, 0x26, 0xb2, 0x1f,
+  };
+
+  scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
+      reinterpret_cast<const char*>(kCertificateDataDER),
+      sizeof(kCertificateDataDER));
+
+  std::string channel_bindings;
+  ASSERT_TRUE(
+      x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
+
+  std::string expected_channel_bindings(
+      std::begin(kExpectedServerEndPointToken),
+      std::end(kExpectedServerEndPointToken));
+  EXPECT_EQ(expected_channel_bindings, channel_bindings);
+}
+
+TEST(X509UtilTest, CreateChannelBindings_SHA512) {
+  // Certificate:
+  //  Data:
+  //      Version: 3 (0x2)
+  //      Serial Number: 15197703563697605045 (0xd2e916decbe249b5)
+  //  Signature Algorithm: sha512WithRSAEncryption
+  //    ...
+  const uint8_t kCertificateDataDER[] = {
+      0x30, 0x82, 0x03, 0x81, 0x30, 0x82, 0x02, 0x69, 0xa0, 0x03, 0x02, 0x01,
+      0x02, 0x02, 0x09, 0x00, 0xd2, 0xe9, 0x16, 0xde, 0xcb, 0xe2, 0x49, 0xb5,
+      0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+      0x0d, 0x05, 0x00, 0x30, 0x57, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
+      0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
+      0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06,
+      0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69,
+      0x64, 0x67, 0x65, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x04, 0x0a,
+      0x0c, 0x04, 0x42, 0x6c, 0x61, 0x68, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03,
+      0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61,
+      0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d,
+      0x31, 0x36, 0x30, 0x33, 0x31, 0x37, 0x32, 0x30, 0x31, 0x33, 0x31, 0x30,
+      0x5a, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x34, 0x31, 0x36, 0x32, 0x30, 0x31,
+      0x33, 0x31, 0x30, 0x5a, 0x30, 0x57, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
+      0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06,
+      0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10,
+      0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72,
+      0x69, 0x64, 0x67, 0x65, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x04,
+      0x0a, 0x0c, 0x04, 0x42, 0x6c, 0x61, 0x68, 0x31, 0x18, 0x30, 0x16, 0x06,
+      0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78,
+      0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x82, 0x01,
+      0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
+      0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01,
+      0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xd3, 0xec, 0x61, 0x08, 0xbd, 0x91,
+      0x94, 0x07, 0xaf, 0xf1, 0xf5, 0xeb, 0x84, 0x6d, 0x4b, 0x42, 0x0b, 0x40,
+      0xb6, 0x6a, 0x51, 0x4d, 0x41, 0xde, 0x1c, 0xad, 0xf2, 0xcb, 0x73, 0xdb,
+      0x41, 0x54, 0xd2, 0x13, 0xd6, 0xe9, 0x9b, 0xbe, 0x49, 0x3c, 0x6a, 0xeb,
+      0x16, 0xa1, 0xee, 0x88, 0xbf, 0x58, 0xe6, 0x25, 0x52, 0x84, 0xdd, 0x3d,
+      0x62, 0x34, 0x22, 0x81, 0x98, 0x55, 0x0d, 0xce, 0x6e, 0xf1, 0x72, 0xae,
+      0x70, 0x34, 0x51, 0x4b, 0x54, 0xc8, 0x79, 0xe3, 0x57, 0xab, 0x24, 0xc0,
+      0x29, 0x67, 0x38, 0xb1, 0x7f, 0x71, 0x32, 0x60, 0x08, 0x34, 0xa1, 0x92,
+      0x6d, 0x78, 0xd6, 0x16, 0x73, 0x68, 0x32, 0x8b, 0xf8, 0x95, 0xa5, 0x79,
+      0xfb, 0xa5, 0xd3, 0x8d, 0xb2, 0xa4, 0x4d, 0xc3, 0x22, 0xff, 0x2f, 0xae,
+      0x6f, 0x12, 0xc9, 0xa6, 0xad, 0xe3, 0x6d, 0xc7, 0x40, 0x9b, 0x6a, 0xba,
+      0x3c, 0x8c, 0xf3, 0x85, 0xa6, 0xc0, 0xbd, 0x49, 0xb6, 0x4f, 0xed, 0xaf,
+      0x10, 0xb4, 0x17, 0x26, 0x40, 0x21, 0x01, 0xb7, 0xa9, 0xf0, 0x06, 0x98,
+      0xfa, 0x03, 0x09, 0xe1, 0xfc, 0x7e, 0xcd, 0x70, 0x09, 0xcb, 0x19, 0x00,
+      0x0a, 0x3c, 0x3a, 0xd8, 0x95, 0xfc, 0xd7, 0x2e, 0x92, 0x06, 0x25, 0x03,
+      0xbd, 0x3f, 0x05, 0xf4, 0x89, 0x23, 0x41, 0x08, 0xc8, 0x3c, 0x62, 0xdc,
+      0x25, 0xed, 0x01, 0x68, 0xf3, 0x75, 0x4d, 0xc5, 0xc2, 0xb0, 0x36, 0xb3,
+      0x0f, 0x78, 0x4a, 0x2c, 0xa7, 0xbb, 0x13, 0x38, 0x09, 0xfd, 0x49, 0x95,
+      0x99, 0x4c, 0x23, 0x36, 0x0a, 0x0f, 0x70, 0xbe, 0x02, 0xc3, 0x50, 0x30,
+      0xb4, 0xaa, 0x7d, 0x47, 0x42, 0xbe, 0x62, 0x59, 0xbe, 0x88, 0xc4, 0x96,
+      0x42, 0x63, 0xf3, 0x27, 0x09, 0x30, 0x9e, 0x58, 0xe6, 0xbe, 0x12, 0x2b,
+      0x22, 0x11, 0x72, 0x65, 0x6c, 0x47, 0x50, 0x8c, 0x69, 0x0b, 0x02, 0x03,
+      0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x1d, 0x06, 0x03, 0x55,
+      0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x40, 0x1f, 0x60, 0x96, 0x13, 0x3e,
+      0xb4, 0x93, 0x65, 0x71, 0x0e, 0x1b, 0xa3, 0xe6, 0x25, 0x21, 0xd6, 0x90,
+      0x69, 0xed, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
+      0x16, 0x80, 0x14, 0x40, 0x1f, 0x60, 0x96, 0x13, 0x3e, 0xb4, 0x93, 0x65,
+      0x71, 0x0e, 0x1b, 0xa3, 0xe6, 0x25, 0x21, 0xd6, 0x90, 0x69, 0xed, 0x30,
+      0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01,
+      0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
+      0x01, 0x0d, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x03, 0x4e, 0x0b,
+      0xdd, 0x81, 0xe9, 0xf9, 0x91, 0x92, 0xa2, 0x77, 0xd0, 0x8f, 0x73, 0xb6,
+      0x28, 0x7d, 0x3e, 0x2f, 0x36, 0x25, 0x01, 0x0f, 0x66, 0x14, 0x4d, 0x98,
+      0x9d, 0x90, 0x08, 0x41, 0xfa, 0xe0, 0x8e, 0x15, 0xb6, 0xf9, 0x2c, 0x67,
+      0x02, 0x31, 0x79, 0xa4, 0x2f, 0xb7, 0xf0, 0xf2, 0xfa, 0x28, 0xcf, 0xe5,
+      0x71, 0x57, 0xd2, 0x18, 0xd5, 0xbd, 0x2b, 0xa8, 0x88, 0x10, 0xaf, 0xe9,
+      0x68, 0x97, 0xb0, 0x04, 0x3f, 0x07, 0x5d, 0xb0, 0xc6, 0xfd, 0x34, 0xf0,
+      0x14, 0xea, 0x81, 0xf5, 0x00, 0xd7, 0xe5, 0x0b, 0xde, 0x9a, 0x78, 0x93,
+      0xe9, 0x64, 0x38, 0x93, 0x53, 0x57, 0x5c, 0x22, 0x1d, 0xec, 0xec, 0x77,
+      0xc9, 0xed, 0x79, 0x8b, 0x85, 0xe6, 0xf2, 0xb0, 0x11, 0x34, 0x25, 0x20,
+      0xdb, 0x3a, 0x82, 0x72, 0x15, 0x6e, 0xbb, 0x2b, 0x6c, 0xad, 0x26, 0x4d,
+      0xb4, 0x2b, 0xd4, 0xd5, 0x45, 0x19, 0x6f, 0x3c, 0xd3, 0x42, 0x53, 0xdb,
+      0x70, 0x6b, 0xd1, 0x9f, 0x24, 0x40, 0x55, 0xad, 0x64, 0x7e, 0x66, 0x80,
+      0x45, 0xfb, 0x30, 0x97, 0x20, 0x3d, 0x3e, 0x14, 0xfe, 0x88, 0x0d, 0xd9,
+      0x3a, 0x7e, 0x30, 0x5c, 0x75, 0x87, 0x59, 0x37, 0xe7, 0xb9, 0xff, 0x3d,
+      0xf8, 0x47, 0xe4, 0xb7, 0xa6, 0xcc, 0x62, 0xc8, 0xfa, 0x55, 0x93, 0xe8,
+      0xe4, 0x33, 0x29, 0x33, 0x91, 0xeb, 0x16, 0x95, 0xdc, 0x63, 0xaf, 0x5e,
+      0x9b, 0x0c, 0xa4, 0x99, 0x20, 0x90, 0x80, 0x1c, 0xbe, 0x9f, 0x22, 0x93,
+      0x21, 0xe1, 0x1c, 0x16, 0x92, 0x42, 0x42, 0x67, 0xfb, 0xf3, 0x31, 0x8c,
+      0x78, 0x41, 0x43, 0xed, 0x5f, 0x09, 0x0b, 0x21, 0x72, 0x40, 0x95, 0xdb,
+      0xd7, 0x8d, 0x2a, 0xe1, 0x52, 0x03, 0x57, 0xc8, 0x7b, 0x15, 0x90, 0x92,
+      0xdf, 0x07, 0x11, 0xfb, 0xf7, 0x25, 0xbe, 0xcb, 0x0b, 0xfa, 0xa6, 0x34,
+      0x61,
+  };
+
+  const unsigned char kExpectedServerEndPointToken[] = {
+      0x74, 0x6c, 0x73, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2d,
+      0x65, 0x6e, 0x64, 0x2d, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x3a, 0x2c,
+      0x33, 0xc9, 0xee, 0x30, 0xa1, 0x99, 0xdc, 0x19, 0x48, 0x0a, 0xec,
+      0xc5, 0x1d, 0x94, 0xc7, 0x84, 0x3d, 0xc7, 0x9e, 0x51, 0xee, 0xbc,
+      0x23, 0x33, 0xfd, 0xeb, 0x20, 0x78, 0x3b, 0x93, 0xe8, 0xe6, 0x78,
+      0x10, 0xd7, 0x5e, 0x37, 0x48, 0x04, 0x07, 0x5f, 0x57, 0xe6, 0x16,
+      0xe2, 0x45, 0x44, 0xa3, 0x71, 0x8c, 0xef, 0x95, 0x08, 0x6b, 0x0c,
+      0xaa, 0x65, 0x51, 0x51, 0x60, 0x4f, 0x58, 0x28,
+  };
+
+  scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
+      reinterpret_cast<const char*>(kCertificateDataDER),
+      sizeof(kCertificateDataDER));
+
+  std::string channel_bindings;
+  ASSERT_TRUE(
+      x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
+
+  std::string expected_channel_bindings(
+      std::begin(kExpectedServerEndPointToken),
+      std::end(kExpectedServerEndPointToken));
+  EXPECT_EQ(expected_channel_bindings, channel_bindings);
+}
+
+TEST(X509UtilTest, CreateChannelBindings_Unsupported_MD4) {
+  // Certificate:
+  //  Data:
+  //      Version: 3 (0x2)
+  //      Serial Number: 12629177056471137087 (0xaf43d99ee079bb3f)
+  //  Signature Algorithm: md4WithRSAEncryption
+  //  ...
+  const uint8_t kCertificateDataDER[] = {
+      0x30, 0x82, 0x03, 0x87, 0x30, 0x82, 0x02, 0x6f, 0xa0, 0x03, 0x02, 0x01,
+      0x02, 0x02, 0x09, 0x00, 0xaf, 0x43, 0xd9, 0x9e, 0xe0, 0x79, 0xbb, 0x3f,
+      0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+      0x03, 0x05, 0x00, 0x30, 0x5a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
+      0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
+      0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06,
+      0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69,
+      0x64, 0x67, 0x65, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a,
+      0x0c, 0x07, 0x45, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x31, 0x18, 0x30,
+      0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e,
+      0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30,
+      0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x33, 0x31, 0x37, 0x32, 0x30, 0x31,
+      0x39, 0x35, 0x39, 0x5a, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x34, 0x31, 0x36,
+      0x32, 0x30, 0x31, 0x39, 0x35, 0x39, 0x5a, 0x30, 0x5a, 0x31, 0x0b, 0x30,
+      0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b,
+      0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31,
+      0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61,
+      0x6d, 0x62, 0x72, 0x69, 0x64, 0x67, 0x65, 0x31, 0x10, 0x30, 0x0e, 0x06,
+      0x03, 0x55, 0x04, 0x0a, 0x0c, 0x07, 0x45, 0x78, 0x61, 0x6d, 0x70, 0x6c,
+      0x65, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f,
+      0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e,
+      0x63, 0x6f, 0x6d, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a,
+      0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82,
+      0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00,
+      0xaf, 0xf8, 0xa5, 0xba, 0x20, 0x40, 0xcd, 0x60, 0x88, 0x1f, 0x27, 0x34,
+      0x57, 0x2f, 0x1b, 0xc9, 0xfc, 0xf3, 0x0b, 0x9f, 0xb3, 0xb8, 0x26, 0x67,
+      0x78, 0x79, 0x2b, 0xfe, 0x68, 0xa3, 0x95, 0x8c, 0x40, 0x6f, 0x80, 0x8b,
+      0x15, 0x8f, 0x0b, 0x4c, 0x66, 0x8d, 0x17, 0x32, 0x6a, 0xa0, 0x57, 0x74,
+      0x2d, 0x31, 0xc4, 0x8e, 0xa4, 0x76, 0x6b, 0xff, 0x93, 0x05, 0x44, 0x9b,
+      0xe9, 0xf2, 0x81, 0x1e, 0x3b, 0x2e, 0x05, 0x67, 0x01, 0x85, 0x5a, 0xed,
+      0xad, 0xc8, 0x55, 0x4b, 0x8e, 0x80, 0x1e, 0x7a, 0x5a, 0xbd, 0xc2, 0x8e,
+      0x5f, 0x4f, 0x3a, 0x52, 0xda, 0x2d, 0x86, 0x0d, 0x6b, 0xaf, 0xe2, 0x12,
+      0xd1, 0x6e, 0x15, 0x78, 0xb5, 0x06, 0x1c, 0xa2, 0xb4, 0xda, 0x3c, 0xfe,
+      0x8b, 0x4c, 0x70, 0x5c, 0xc5, 0x5c, 0x86, 0xf6, 0x95, 0x01, 0x88, 0x44,
+      0x99, 0xd2, 0x97, 0x47, 0xdb, 0xdb, 0x4f, 0x6d, 0x1a, 0xd1, 0x1d, 0x74,
+      0x0b, 0x89, 0x5c, 0x05, 0x19, 0xe7, 0xe7, 0x17, 0xee, 0xb5, 0xf8, 0x75,
+      0x96, 0x95, 0x5a, 0xfd, 0x37, 0x4d, 0xa1, 0xda, 0x5c, 0xf6, 0x5c, 0x60,
+      0xa1, 0x04, 0x92, 0xa5, 0x42, 0x02, 0xbd, 0x40, 0xb3, 0x1e, 0xab, 0x28,
+      0x0b, 0x28, 0x79, 0x92, 0xdc, 0x23, 0xde, 0xad, 0x28, 0x06, 0xba, 0x93,
+      0x28, 0x3f, 0xf4, 0x6a, 0x10, 0x11, 0xf1, 0xe4, 0x92, 0x5b, 0x65, 0xce,
+      0x0f, 0x13, 0x34, 0x87, 0xb6, 0xa4, 0x1d, 0xe3, 0x4a, 0xea, 0xc8, 0xcf,
+      0x4e, 0x21, 0xf2, 0x70, 0x18, 0x9f, 0x3a, 0x62, 0x43, 0x70, 0x89, 0xb9,
+      0xca, 0xab, 0xa6, 0xb1, 0x55, 0x42, 0x3d, 0x25, 0x35, 0xd6, 0xa2, 0x77,
+      0x0f, 0x66, 0x88, 0xd2, 0x43, 0x6b, 0xfa, 0x3c, 0xa3, 0xcf, 0xa1, 0x56,
+      0x84, 0xe5, 0x9b, 0x25, 0xff, 0x02, 0xb6, 0x9d, 0xaf, 0x6a, 0x4d, 0x8c,
+      0xf8, 0x3e, 0xf7, 0xe5, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30,
+      0x4e, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14,
+      0x62, 0xf2, 0x1f, 0xd6, 0x29, 0xfa, 0x61, 0x88, 0x4c, 0x36, 0x39, 0xed,
+      0x9f, 0x8e, 0xcf, 0x3b, 0xdc, 0x90, 0x04, 0xa5, 0x30, 0x1f, 0x06, 0x03,
+      0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x62, 0xf2, 0x1f,
+      0xd6, 0x29, 0xfa, 0x61, 0x88, 0x4c, 0x36, 0x39, 0xed, 0x9f, 0x8e, 0xcf,
+      0x3b, 0xdc, 0x90, 0x04, 0xa5, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13,
+      0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a,
+      0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x03, 0x05, 0x00, 0x03, 0x82,
+      0x01, 0x01, 0x00, 0x9e, 0x36, 0xff, 0xf5, 0x77, 0x46, 0x80, 0x22, 0xc4,
+      0x01, 0x05, 0x69, 0x84, 0xd1, 0xdc, 0x0c, 0xce, 0xda, 0x2f, 0x21, 0x11,
+      0x9a, 0x80, 0x24, 0x81, 0xea, 0x1b, 0x1a, 0xb9, 0x5d, 0x70, 0x60, 0xaf,
+      0xbc, 0xca, 0xdb, 0xc4, 0x10, 0x6e, 0x17, 0xdb, 0x58, 0x11, 0x0c, 0xec,
+      0x0e, 0xdd, 0xf8, 0xbf, 0x42, 0x27, 0x2d, 0x06, 0x75, 0x25, 0xc0, 0xdb,
+      0xb0, 0x35, 0x0c, 0x66, 0xfb, 0xfd, 0x0e, 0xb9, 0x16, 0x9e, 0x34, 0xaf,
+      0xdb, 0x72, 0x6e, 0xb3, 0x6d, 0x5e, 0xb2, 0xf0, 0x6d, 0x46, 0x32, 0xba,
+      0x35, 0xb5, 0x3b, 0xc5, 0x72, 0xb7, 0x1c, 0x88, 0x6a, 0x84, 0xc2, 0xde,
+      0x1d, 0x45, 0x30, 0x41, 0x3d, 0xc5, 0xbb, 0x0a, 0x78, 0xe9, 0xef, 0x59,
+      0xc6, 0xbc, 0x0c, 0x9d, 0x36, 0x1f, 0xc8, 0xb1, 0x1b, 0xd3, 0x1c, 0xec,
+      0x57, 0x69, 0x8b, 0xcb, 0x1b, 0x93, 0x99, 0x2e, 0xab, 0x8d, 0xd7, 0x63,
+      0xc5, 0x1f, 0x58, 0x9d, 0x06, 0x8e, 0xf1, 0x47, 0x64, 0xc5, 0xf3, 0x03,
+      0x8d, 0x2c, 0x8a, 0x99, 0x2c, 0xe6, 0x89, 0x87, 0xb2, 0x42, 0xdd, 0x18,
+      0xf0, 0xc9, 0xdb, 0x6c, 0xee, 0x3e, 0x5e, 0xc5, 0x75, 0xc7, 0x45, 0xd3,
+      0xd0, 0xaa, 0xf7, 0x0d, 0xac, 0xaa, 0x4c, 0xb4, 0xa4, 0xa2, 0xb7, 0xfc,
+      0x65, 0xb0, 0x2e, 0x83, 0xbd, 0x7a, 0x65, 0xfb, 0x1b, 0x92, 0x3f, 0x8d,
+      0x47, 0x0c, 0xbb, 0x4a, 0x38, 0xc5, 0x67, 0x87, 0x8e, 0x79, 0xd6, 0x48,
+      0xc7, 0xf2, 0x92, 0xdb, 0x6e, 0xf9, 0x54, 0x01, 0xed, 0xdb, 0xbd, 0xe0,
+      0x12, 0x18, 0xd9, 0xcf, 0x36, 0x5d, 0x7e, 0xe9, 0xb9, 0x27, 0x09, 0x80,
+      0x1a, 0x2f, 0xb9, 0x58, 0xc6, 0x6f, 0xa2, 0x42, 0x7a, 0x7b, 0x20, 0xf2,
+      0xc9, 0x85, 0x54, 0x11, 0xa2, 0xe3, 0x31, 0x0f, 0x71, 0x6a, 0xea, 0x0e,
+      0xef, 0xba, 0x6d, 0x5e, 0x88, 0x01, 0xaf,
+  };
+
+  scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
+      reinterpret_cast<const char*>(kCertificateDataDER),
+      sizeof(kCertificateDataDER));
+
+  std::string channel_bindings;
+  ASSERT_FALSE(
+      x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
+  EXPECT_TRUE(channel_bindings.empty());
+}
+#endif
+
 }  // namespace x509_util
 
 }  // namespace net