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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "xfa/fxfa/xfa_checksum.h" | 7 #include "xfa/fxfa/xfa_checksum.h" |
8 | 8 |
9 #include "core/fdrm/crypto/fx_crypt.h" | 9 #include "core/fdrm/crypto/fx_crypt.h" |
10 | 10 |
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212 | 212 |
213 CXFA_ChecksumContext::CXFA_ChecksumContext() | 213 CXFA_ChecksumContext::CXFA_ChecksumContext() |
214 : m_pSAXReader(nullptr), m_pByteContext(nullptr) {} | 214 : m_pSAXReader(nullptr), m_pByteContext(nullptr) {} |
215 | 215 |
216 CXFA_ChecksumContext::~CXFA_ChecksumContext() { | 216 CXFA_ChecksumContext::~CXFA_ChecksumContext() { |
217 FinishChecksum(); | 217 FinishChecksum(); |
218 } | 218 } |
219 | 219 |
220 void CXFA_ChecksumContext::StartChecksum() { | 220 void CXFA_ChecksumContext::StartChecksum() { |
221 FinishChecksum(); | 221 FinishChecksum(); |
222 m_pByteContext = FX_Alloc(uint8_t, 128); | 222 m_pByteContext = FX_Alloc(CRYPT_sha1_context, 1); |
223 CRYPT_SHA1Start(m_pByteContext); | 223 CRYPT_SHA1Start(m_pByteContext); |
224 m_bsChecksum.clear(); | 224 m_bsChecksum.clear(); |
225 m_pSAXReader = new CFX_SAXReader; | 225 m_pSAXReader = new CFX_SAXReader; |
226 } | 226 } |
227 | 227 |
228 bool CXFA_ChecksumContext::UpdateChecksum( | 228 bool CXFA_ChecksumContext::UpdateChecksum( |
229 const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile, | 229 const CFX_RetainPtr<IFX_SeekableReadStream>& pSrcFile, |
230 FX_FILESIZE offset, | 230 FX_FILESIZE offset, |
231 size_t size) { | 231 size_t size) { |
232 if (!m_pSAXReader || !pSrcFile) | 232 if (!m_pSAXReader || !pSrcFile) |
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265 | 265 |
266 CFX_ByteString CXFA_ChecksumContext::GetChecksum() const { | 266 CFX_ByteString CXFA_ChecksumContext::GetChecksum() const { |
267 return m_bsChecksum; | 267 return m_bsChecksum; |
268 } | 268 } |
269 | 269 |
270 void CXFA_ChecksumContext::Update(const CFX_ByteStringC& bsText) { | 270 void CXFA_ChecksumContext::Update(const CFX_ByteStringC& bsText) { |
271 if (m_pByteContext) { | 271 if (m_pByteContext) { |
272 CRYPT_SHA1Update(m_pByteContext, bsText.raw_str(), bsText.GetLength()); | 272 CRYPT_SHA1Update(m_pByteContext, bsText.raw_str(), bsText.GetLength()); |
273 } | 273 } |
274 } | 274 } |
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