net/extras/sqlite/cookie_crypto_delegate.h

   1 // Copyright 2013 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 NET_EXTRAS_SQLITE_COOKIE_CRYPTO_DELEGATE_H_
   6 #define NET_EXTRAS_SQLITE_COOKIE_CRYPTO_DELEGATE_H_
   7
   8 namespace net {
   9
  10 // Implements encryption and decryption for the persistent cookie store.
  11 class CookieCryptoDelegate {
  12  public:
  13   virtual ~CookieCryptoDelegate() {}
  14
  15   // Return if cookies should be encrypted on this platform.  Decryption of
  16   // previously encrypted cookies is always possible.
  17   virtual bool ShouldEncrypt() = 0;
  18
  19   // Encrypt |plaintext| string and store the result in |ciphertext|.  This
  20   // method is always functional even if ShouldEncrypt() is false.
  21   virtual bool EncryptString(const std::string& plaintext,
  22                              std::string* ciphertext) = 0;
  23
  24   // Decrypt |ciphertext| string and store the result in |plaintext|.  This
  25   // method is always functional even if ShouldEncrypt() is false.
  26   virtual bool DecryptString(const std::string& ciphertext,
  27                              std::string* plaintext) = 0;
  28 };
  29
  30 }  // namespace net
  31
  32 #endif  // NET_EXTRAS_SQLITE_COOKIE_CRYPTO_DELEGATE_H_