Index: core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h |
diff --git a/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3edc47b7b01f248bd65ac80166d767018ce4cd6b |
--- /dev/null |
+++ b/core/fpdfapi/fpdf_parser/cpdf_crypto_handler.h |
@@ -0,0 +1,67 @@ |
+// 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_CPDF_CRYPTO_HANDLER_H_ |
+#define CORE_FPDFAPI_FPDF_PARSER_CPDF_CRYPTO_HANDLER_H_ |
+ |
+#include "core/fxcrt/include/fx_basic.h" |
+#include "core/fxcrt/include/fx_string.h" |
+#include "core/fxcrt/include/fx_system.h" |
+ |
+class CPDF_Dictionary; |
+class CPDF_SecurityHandler; |
+ |
+class CPDF_CryptoHandler { |
+ public: |
+ CPDF_CryptoHandler(); |
+ ~CPDF_CryptoHandler(); |
+ |
+ FX_BOOL Init(CPDF_Dictionary* pEncryptDict, |
+ CPDF_SecurityHandler* pSecurityHandler); |
+ uint32_t DecryptGetSize(uint32_t src_size); |
+ void* DecryptStart(uint32_t objnum, uint32_t gennum); |
+ void Decrypt(uint32_t objnum, uint32_t gennum, CFX_ByteString& str); |
+ FX_BOOL DecryptStream(void* context, |
+ const uint8_t* src_buf, |
+ uint32_t src_size, |
+ CFX_BinaryBuf& dest_buf); |
+ FX_BOOL DecryptFinish(void* context, CFX_BinaryBuf& dest_buf); |
+ uint32_t EncryptGetSize(uint32_t objnum, |
+ uint32_t version, |
+ const uint8_t* src_buf, |
+ uint32_t src_size); |
+ 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); |
+ |
+ FX_BOOL Init(int cipher, const uint8_t* key, int keylen); |
+ |
+ protected: |
+ void CryptBlock(FX_BOOL bEncrypt, |
+ uint32_t objnum, |
+ uint32_t gennum, |
+ const uint8_t* src_buf, |
+ uint32_t src_size, |
+ uint8_t* dest_buf, |
+ uint32_t& dest_size); |
+ void* CryptStart(uint32_t objnum, uint32_t gennum, FX_BOOL bEncrypt); |
+ FX_BOOL CryptStream(void* context, |
+ const uint8_t* src_buf, |
+ uint32_t src_size, |
+ CFX_BinaryBuf& dest_buf, |
+ FX_BOOL bEncrypt); |
+ 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_FPDFAPI_FPDF_PARSER_CPDF_CRYPTO_HANDLER_H_ |