Update Token Binding code to match latest draft draft-ietf-tokbind-protocol-04

net/ssl/token_binding.h

 // Copyright 2015 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.
 
 #ifndef NET_SSL_TOKEN_BINDING_H_
 #define NET_SSL_TOKEN_BINDING_H_
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string_piece.h"
 #include "crypto/ec_private_key.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
 
 namespace net {
 
 // Given a vector of serialized TokenBinding structs (as defined in
-// draft-ietf-tokbind-protocol-02), this function combines them to form the
+// draft-ietf-tokbind-protocol-04), this function combines them to form the
 // serialized TokenBindingMessage struct in |*out|. This function returns a net
 // error.
 //
 // struct {
 //     TokenBinding tokenbindings<0..2^16-1>;
 // } TokenBindingMessage;
 Error BuildTokenBindingMessageFromTokenBindings(
     const std::vector<base::StringPiece>& token_bindings,
     std::string* out);
 
@@ skipping 55 matching lines @@
 // |ec_point| as the public key. Returns true if the signature verifies and
 // false if it doesn't or some other error occurs in verification. This function
 // is only provided for testing.
 NET_EXPORT_PRIVATE bool VerifyEKMSignature(base::StringPiece ec_point,
                                            base::StringPiece signature,
                                            base::StringPiece ekm);
 
 }  // namespace net
 
 #endif  // NET_SSL_TOKEN_BINDING_H_