core/fpdfapi/edit/cpdf_encryptor.cpp


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// 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,
                               const uint8_t* src_data,
                               uint32_t src_size) {
  if (src_size == 0)
    return;

  if (!pHandler) {
    m_pData = src_data;
    m_dwSize = src_size;
    return;
  }
  m_dwSize = pHandler->EncryptGetSize(objnum, 0, src_data, src_size);
  m_pNewBuf.reset(FX_Alloc(uint8_t, m_dwSize));
  pHandler->EncryptContent(objnum, 0, src_data, src_size, m_pNewBuf.get(),
                           m_dwSize);
  m_pData = m_pNewBuf.get();
}

CPDF_Encryptor::~CPDF_Encryptor() {}