| // Copyright 2016 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 |
| |
| #ifndef CORE_FPDFAPI_FPDF_PARSER_IPDF_CRYPTO_HANDLER_H_ |
| #define CORE_FPDFAPI_FPDF_PARSER_IPDF_CRYPTO_HANDLER_H_ |
| |
| #include "core/fxcrt/include/fx_basic.h" |
| |
| class CPDF_Dictionary; |
| class IPDF_SecurityHandler; |
| |
| class IPDF_CryptoHandler { |
| public: |
| virtual ~IPDF_CryptoHandler(); |
| |
| virtual FX_BOOL Init(CPDF_Dictionary* pEncryptDict, |
| IPDF_SecurityHandler* pSecurityHandler) = 0; |
| |
| virtual uint32_t DecryptGetSize(uint32_t src_size) = 0; |
| virtual void* DecryptStart(uint32_t objnum, uint32_t gennum) = 0; |
| virtual FX_BOOL DecryptStream(void* context, |
| const uint8_t* src_buf, |
| uint32_t src_size, |
| CFX_BinaryBuf& dest_buf) = 0; |
| |
| virtual FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf) = 0; |
| virtual uint32_t EncryptGetSize(uint32_t objnum, |
| uint32_t version, |
| const uint8_t* src_buf, |
| uint32_t src_size) = 0; |
| |
| virtual FX_BOOL EncryptContent(uint32_t objnum, |
| uint32_t version, |
| const uint8_t* src_buf, |
| uint32_t src_size, |
| uint8_t* dest_buf, |
| uint32_t& dest_size) = 0; |
| |
| void Decrypt(uint32_t objnum, uint32_t version, CFX_ByteString& str); |
| }; |
| |
| #endif // CORE_FPDFAPI_FPDF_PARSER_IPDF_CRYPTO_HANDLER_H_ |