remoting/base/rsa_key_pair.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_BASE_RSA_KEY_PAIR_H_
   6 #define REMOTING_BASE_RSA_KEY_PAIR_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 namespace crypto {
  14 class RSAPrivateKey;
  15 }  // namespace crypto
  16
  17 namespace remoting {
  18
  19 class RsaKeyPair : public base::RefCountedThreadSafe<RsaKeyPair> {
  20  public:
  21   // Generates a new (random) private key.
  22   static scoped_refptr<RsaKeyPair> Generate();
  23
  24   // Loads a private key from a base64-encoded string. Returns true on success.
  25   static scoped_refptr<RsaKeyPair> FromString(const std::string& key_base64);
  26
  27   // Returns a base64 encoded string representing the private key.
  28   std::string ToString() const;
  29
  30   // Generates a DER-encoded self-signed certificate using the key pair. Returns
  31   // empty string if cert generation fails (e.g. it may happen when the system
  32   // clock is off).
  33   std::string GenerateCertificate() const;
  34
  35   // Returns a base64-encoded string representing the public key.
  36   std::string GetPublicKey() const;
  37
  38   // Returns a base64-encoded signature for the message.
  39   std::string SignMessage(const std::string& message) const;
  40
  41   crypto::RSAPrivateKey* private_key() { return key_.get(); }
  42
  43  private:
  44   friend class base::RefCountedThreadSafe<RsaKeyPair>;
  45   RsaKeyPair(scoped_ptr<crypto::RSAPrivateKey> key);
  46   virtual ~RsaKeyPair();
  47
  48   scoped_ptr<crypto::RSAPrivateKey> key_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(RsaKeyPair);
  51 };
  52
  53 }  // namespace remoting
  54
  55 #endif  // REMOTING_BASE_RSA_KEY_PAIR_H_