diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h new file mode 100644 index 0000000000..3ef1f7143f --- /dev/null +++ b/core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h @@ -0,0 +1,64 @@ +// 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_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_ +#define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_ + +#include "core/include/fpdfapi/ipdf_crypto_handler.h" + +class CPDF_StandardCryptoHandler : public IPDF_CryptoHandler { + public: + CPDF_StandardCryptoHandler(); + ~CPDF_StandardCryptoHandler() override; + + // IPDF_CryptoHandler + FX_BOOL Init(CPDF_Dictionary* pEncryptDict, + IPDF_SecurityHandler* pSecurityHandler) override; + FX_DWORD DecryptGetSize(FX_DWORD src_size) override; + void* DecryptStart(FX_DWORD objnum, FX_DWORD gennum) override; + FX_BOOL DecryptStream(void* context, + const uint8_t* src_buf, + FX_DWORD src_size, + CFX_BinaryBuf& dest_buf) override; + FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf) override; + FX_DWORD EncryptGetSize(FX_DWORD objnum, + FX_DWORD version, + const uint8_t* src_buf, + FX_DWORD src_size) override; + FX_BOOL EncryptContent(FX_DWORD objnum, + FX_DWORD version, + const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t* dest_buf, + FX_DWORD& dest_size) override; + + FX_BOOL Init(int cipher, const uint8_t* key, int keylen); + + protected: + virtual void CryptBlock(FX_BOOL bEncrypt, + FX_DWORD objnum, + FX_DWORD gennum, + const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t* dest_buf, + FX_DWORD& dest_size); + virtual void* CryptStart(FX_DWORD objnum, FX_DWORD gennum, FX_BOOL bEncrypt); + virtual FX_BOOL CryptStream(void* context, + const uint8_t* src_buf, + FX_DWORD src_size, + CFX_BinaryBuf& dest_buf, + FX_BOOL bEncrypt); + virtual FX_BOOL CryptFinish(void* context, + CFX_BinaryBuf& dest_buf, + FX_BOOL bEncrypt); + + uint8_t m_EncryptKey[32]; + int m_KeyLen; + int m_Cipher; + uint8_t* m_pAESContext; +}; + +#endif // CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_STANDARD_CRYPTO_HANDLER_H_ |