Adds support for the <keygen> tag for client certificate enrollment...

net/base/keygen_handler.h

+// Copyright (c) 2009 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_BASE_KEYGEN_HANDLER_H_
+#define NET_BASE_KEYGEN_HANDLER_H_
+
+#include <string>
+
+namespace net {
+
+// This class handles keypair generation for generating client
+// certificates via the Netscape <keygen> tag.
+
+class KeygenHandler {
+ public:
+  KeygenHandler(int key_size_index, const std::string& challenge);
+  std::string GenKeyAndSignChallenge();
+
+ private:
+  int key_size_index_;
+  std::string challenge_;
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_KEYGEN_HANDLER_H_