Index: base/crypto/encryptor_mac.cc |
=================================================================== |
--- base/crypto/encryptor_mac.cc (revision 81350) |
+++ base/crypto/encryptor_mac.cc (working copy) |
@@ -1,76 +0,0 @@ |
-// Copyright (c) 2011 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. |
- |
-#include "base/crypto/encryptor.h" |
- |
-#include <CommonCrypto/CommonCryptor.h> |
- |
-#include "base/crypto/symmetric_key.h" |
-#include "base/logging.h" |
-#include "base/string_util.h" |
- |
-namespace base { |
- |
-Encryptor::Encryptor() |
- : key_(NULL), |
- mode_(CBC) { |
-} |
- |
-Encryptor::~Encryptor() { |
-} |
- |
-bool Encryptor::Init(SymmetricKey* key, Mode mode, const std::string& iv) { |
- DCHECK(key); |
- DCHECK_EQ(CBC, mode) << "Unsupported mode of operation"; |
- CSSM_DATA raw_key = key->cssm_data(); |
- if (raw_key.Length != kCCKeySizeAES128 && |
- raw_key.Length != kCCKeySizeAES192 && |
- raw_key.Length != kCCKeySizeAES256) |
- return false; |
- if (iv.size() != kCCBlockSizeAES128) |
- return false; |
- |
- key_ = key; |
- mode_ = mode; |
- iv_ = iv; |
- return true; |
-} |
- |
-bool Encryptor::Crypt(int /*CCOperation*/ op, |
- const std::string& input, |
- std::string* output) { |
- DCHECK(key_); |
- CSSM_DATA raw_key = key_->cssm_data(); |
- // CommonCryptor.h: "A general rule for the size of the output buffer which |
- // must be provided by the caller is that for block ciphers, the output |
- // length is never larger than the input length plus the block size." |
- |
- size_t output_size = input.size() + iv_.size(); |
- CCCryptorStatus err = CCCrypt(op, |
- kCCAlgorithmAES128, |
- kCCOptionPKCS7Padding, |
- raw_key.Data, raw_key.Length, |
- iv_.data(), |
- input.data(), input.size(), |
- WriteInto(output, output_size+1), |
- output_size, |
- &output_size); |
- if (err) { |
- output->resize(0); |
- LOG(ERROR) << "CCCrypt returned " << err; |
- return false; |
- } |
- output->resize(output_size); |
- return true; |
-} |
- |
-bool Encryptor::Encrypt(const std::string& plaintext, std::string* ciphertext) { |
- return Crypt(kCCEncrypt, plaintext, ciphertext); |
-} |
- |
-bool Encryptor::Decrypt(const std::string& ciphertext, std::string* plaintext) { |
- return Crypt(kCCDecrypt, ciphertext, plaintext); |
-} |
- |
-} // namespace base |