Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.

BUG=N/A
R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17479005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/base/sslfingerprint.h b/base/sslfingerprint.h
new file mode 100644
index 0000000..a63b3dd
--- /dev/null
+++ b/base/sslfingerprint.h
@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2012 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.
+ */
+
+#ifndef WEBRTC_BASE_SSLFINGERPRINT_H_
+#define WEBRTC_BASE_SSLFINGERPRINT_H_
+
+#include <string>
+
+#include "webrtc/base/buffer.h"
+#include "webrtc/base/sslidentity.h"
+
+namespace rtc {
+
+class SSLCertificate;
+
+struct SSLFingerprint {
+  static SSLFingerprint* Create(const std::string& algorithm,
+                                const rtc::SSLIdentity* identity);
+
+  static SSLFingerprint* Create(const std::string& algorithm,
+                                const rtc::SSLCertificate* cert);
+
+  static SSLFingerprint* CreateFromRfc4572(const std::string& algorithm,
+                                           const std::string& fingerprint);
+
+  SSLFingerprint(const std::string& algorithm, const uint8* digest_in,
+                 size_t digest_len);
+
+  SSLFingerprint(const SSLFingerprint& from);
+
+  bool operator==(const SSLFingerprint& other) const;
+
+  std::string GetRfc4572Fingerprint() const;
+
+  std::string ToString();
+
+  std::string algorithm;
+  rtc::Buffer digest;
+};
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_SSLFINGERPRINT_H_