Implement ChannelIDVerifier using NSS.

net/quic/crypto/channel_id.h

 // Copyright 2013 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_QUIC_CRYPTO_CHANNEL_ID_H_
 #define NET_QUIC_CRYPTO_CHANNEL_ID_H_
 
 #include <string>
 
 #include "base/strings/string_piece.h"
@@ skipping 26 matching lines @@
   // kClientToServerStr follows kContextStr to specify that the ChannelID is
   // being used in the client to server direction. (The terminating NUL byte is
   // included.)
   static const char kClientToServerStr[];
 
   // Verify returns true iff |signature| is a valid signature of |signed_data|
   // by |key|.
   static bool Verify(base::StringPiece key,
                      base::StringPiece signed_data,
                      base::StringPiece signature);
+
+  // FOR TESTING ONLY: VerifyRaw returns true iff |signature| is a valid
+  // signature of |signed_data| by |key|. |is_channel_id_signature| indicates
+  // whether |signature| is a ChannelID signature (with kContextStr prepended
+  // to the data to be signed).
+  static bool VerifyRaw(base::StringPiece key,
+                        base::StringPiece signed_data,
+                        base::StringPiece signature,
+                        bool is_channel_id_signature);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_CHANNEL_ID_H_