| // Copyright 2017 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fpdfapi/edit/cpdf_encryptor.h" |
| #include "core/fpdfapi/parser/cpdf_crypto_handler.h" |
| |
| CPDF_Encryptor::CPDF_Encryptor(CPDF_CryptoHandler* pHandler, |
| int objnum, |
| pdfium::span<const uint8_t> src_data) { |
| if (src_data.empty()) |
| return; |
| |
| if (!pHandler) { |
| m_Span = src_data; |
| return; |
| } |
| |
| uint32_t buf_size = pHandler->EncryptGetSize(src_data); |
| m_NewBuf.resize(buf_size); |
| pHandler->EncryptContent(objnum, 0, src_data, m_NewBuf.data(), |
| buf_size); // Updates |buf_size| with actual. |
| m_NewBuf.resize(buf_size); |
| m_Span = m_NewBuf; |
| } |
| |
| CPDF_Encryptor::~CPDF_Encryptor() {} |