Index: crypto/encryptor_mac.cc |
diff --git a/crypto/encryptor_mac.cc b/crypto/encryptor_mac.cc |
deleted file mode 100644 |
index 6be373a5d92028052b1de94d5f1d85739b54ffcf..0000000000000000000000000000000000000000 |
--- a/crypto/encryptor_mac.cc |
+++ /dev/null |
@@ -1,84 +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 "crypto/encryptor.h" |
- |
-#include <CommonCrypto/CommonCryptor.h> |
- |
-#include "base/logging.h" |
-#include "base/string_util.h" |
-#include "crypto/symmetric_key.h" |
- |
-namespace crypto { |
- |
-Encryptor::Encryptor() |
- : key_(NULL), |
- mode_(CBC) { |
-} |
- |
-Encryptor::~Encryptor() { |
-} |
- |
-bool Encryptor::Init(SymmetricKey* key, |
- Mode mode, |
- const base::StringPiece& 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.CopyToString(&iv_); |
- return true; |
-} |
- |
-bool Encryptor::Crypt(int /*CCOperation*/ op, |
- const base::StringPiece& 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(); |
- CHECK_GT(output_size, 0u); |
- CHECK_GT(output_size + 1, input.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->clear(); |
- LOG(ERROR) << "CCCrypt returned " << err; |
- return false; |
- } |
- output->resize(output_size); |
- return true; |
-} |
- |
-bool Encryptor::Encrypt(const base::StringPiece& plaintext, |
- std::string* ciphertext) { |
- CHECK(!plaintext.empty() || (mode_ == CBC)); |
- return Crypt(kCCEncrypt, plaintext, ciphertext); |
-} |
- |
-bool Encryptor::Decrypt(const base::StringPiece& ciphertext, |
- std::string* plaintext) { |
- CHECK(!ciphertext.empty()); |
- return Crypt(kCCDecrypt, ciphertext, plaintext); |
-} |
- |
-} // namespace crypto |