| 1 | /* |
| 2 | * Copyright 2010-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"). |
| 5 | * You may not use this file except in compliance with the License. |
| 6 | * A copy of the License is located at |
| 7 | * |
| 8 | * http://aws.amazon.com/apache2.0 |
| 9 | * |
| 10 | * or in the "license" file accompanying this file. This file is distributed |
| 11 | * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| 12 | * express or implied. See the License for the specific language governing |
| 13 | * permissions and limitations under the License. |
| 14 | */ |
| 15 | #include <aws/core/utils/crypto/CryptoStream.h> |
| 16 | |
| 17 | namespace Aws |
| 18 | { |
| 19 | namespace Utils |
| 20 | { |
| 21 | namespace Crypto |
| 22 | { |
| 23 | static const char* CLASS_TAG = "Aws::Utils::Crypto::SymmetricCryptoStream" ; |
| 24 | |
| 25 | SymmetricCryptoStream::SymmetricCryptoStream(Aws::IStream& src, CipherMode mode, SymmetricCipher& cipher, size_t bufSize) : |
| 26 | Aws::IOStream(m_cryptoBuf = Aws::New<SymmetricCryptoBufSrc>(CLASS_TAG, src, cipher, mode, bufSize)), m_hasOwnership(true) |
| 27 | { |
| 28 | } |
| 29 | |
| 30 | SymmetricCryptoStream::SymmetricCryptoStream(Aws::OStream& sink, CipherMode mode, SymmetricCipher& cipher, size_t bufSize, int16_t blockOffset) : |
| 31 | Aws::IOStream(m_cryptoBuf = Aws::New<SymmetricCryptoBufSink>(CLASS_TAG, sink, cipher, mode, bufSize, blockOffset)), m_hasOwnership(true) |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | SymmetricCryptoStream::SymmetricCryptoStream(Aws::Utils::Crypto::SymmetricCryptoBufSrc& bufSrc) : |
| 36 | Aws::IOStream(&bufSrc), m_cryptoBuf(&bufSrc), m_hasOwnership(false) |
| 37 | { |
| 38 | } |
| 39 | |
| 40 | SymmetricCryptoStream::SymmetricCryptoStream(Aws::Utils::Crypto::SymmetricCryptoBufSink& bufSink) : |
| 41 | Aws::IOStream(&bufSink), m_cryptoBuf(&bufSink), m_hasOwnership(false) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | SymmetricCryptoStream::~SymmetricCryptoStream() |
| 46 | { |
| 47 | Finalize(); |
| 48 | |
| 49 | if(m_hasOwnership && m_cryptoBuf) |
| 50 | { |
| 51 | Aws::Delete(m_cryptoBuf); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | void SymmetricCryptoStream::Finalize() |
| 56 | { |
| 57 | assert(m_cryptoBuf); |
| 58 | m_cryptoBuf->Finalize(); |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | } |