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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// A class for encrypting/decrypting strings
#ifndef CHROME_BROWSER_ENCRYPTOR_H__
#define CHROME_BROWSER_ENCRYPTOR_H__
#include <string>
#include "base/values.h"
class Encryptor {
public:
// Encrypt a wstring. The output (second argument) is
// really an array of bytes, but we're passing it back
// as a std::string
static bool EncryptWideString(const std::wstring& plaintext,
std::string* ciphertext);
// Decrypt an array of bytes obtained with EnctryptWideString
// back into a wstring. Note that the input (first argument)
// is a std::string, so you need to first get your (binary)
// data into a string.
static bool DecryptWideString(const std::string& ciphertext,
std::wstring* plaintext);
// Encrypt a string.
static bool EncryptString(const std::string& plaintext,
std::string* ciphertext);
// Decrypt an array of bytes obtained with EnctryptString
// back into a string. Note that the input (first argument)
// is a std::string, so you need to first get your (binary)
// data into a string.
static bool DecryptString(const std::string& ciphertext,
std::string* plaintext);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(Encryptor);
};
#endif // CHROME_BROWSER_ENCRYPTOR_H__
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