blob: 6d7963ad935e95158237de3c241ed0721fe053fc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// Copyright 2014 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_FXCRT_CFX_CHECKSUMCONTEXT_H_
#define CORE_FXCRT_CFX_CHECKSUMCONTEXT_H_
#include <memory>
#include "core/fdrm/crypto/fx_crypt.h"
#include "core/fxcrt/xml/cfx_saxreader.h"
class CFX_ChecksumContext {
public:
CFX_ChecksumContext();
~CFX_ChecksumContext();
void StartChecksum();
void Update(const ByteStringView& bsText);
bool UpdateChecksum(const RetainPtr<IFX_SeekableReadStream>& pSrcFile,
FX_FILESIZE offset = 0,
size_t size = 0);
void FinishChecksum();
ByteString GetChecksum() const;
private:
std::unique_ptr<CFX_SAXReader> m_pSAXReader;
std::unique_ptr<CRYPT_sha1_context> m_pByteContext;
ByteString m_bsChecksum;
};
#endif // CORE_FXCRT_CFX_CHECKSUMCONTEXT_H_
|
