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C++ CFX_ByteString::raw_str方法代码示例

本文整理汇总了C++中CFX_ByteString::raw_str方法的典型用法代码示例。如果您正苦于以下问题：C++ CFX_ByteString::raw_str方法的具体用法？C++ CFX_ByteString::raw_str怎么用？C++ CFX_ByteString::raw_str使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CFX_ByteString的用法示例。


在下文中一共展示了CFX_ByteString::raw_str方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CheckSecurity

FX_BOOL CPDF_SecurityHandler::CheckSecurity(int32_t key_len) {
  CFX_ByteString password = m_pParser->GetPassword();
  if (!password.IsEmpty() &&
      CheckPassword(password.raw_str(), password.GetLength(), TRUE,
                    m_EncryptKey, key_len)) {
    m_bOwnerUnlocked = true;
    return TRUE;
  }
  return CheckPassword(password.raw_str(), password.GetLength(), FALSE,
                       m_EncryptKey, key_len);
}
开发者ID:gradescope，项目名称:pdfium，代码行数:11，代码来源:cpdf_security_handler.cpp

示例2: 

void CPDF_SecurityHandler::AES256_SetPassword(CPDF_Dictionary* pEncryptDict,
                                              const uint8_t* password,
                                              uint32_t size,
                                              FX_BOOL bOwner,
                                              const uint8_t* key) {
  uint8_t sha[128];
  CRYPT_SHA1Start(sha);
  CRYPT_SHA1Update(sha, key, 32);
  CRYPT_SHA1Update(sha, (uint8_t*)"hello", 5);
  uint8_t digest[20];
  CRYPT_SHA1Finish(sha, digest);
  CFX_ByteString ukey = pEncryptDict->GetStringBy("U");
  uint8_t digest1[48];
  if (m_Revision >= 6) {
    Revision6_Hash(password, size, digest, bOwner ? ukey.raw_str() : nullptr,
                   digest1);
  } else {
    CRYPT_SHA256Start(sha);
    CRYPT_SHA256Update(sha, password, size);
    CRYPT_SHA256Update(sha, digest, 8);
    if (bOwner) {
      CRYPT_SHA256Update(sha, ukey.raw_str(), ukey.GetLength());
    }
    CRYPT_SHA256Finish(sha, digest1);
  }
  FXSYS_memcpy(digest1 + 32, digest, 16);
  pEncryptDict->SetAtString(bOwner ? "O" : "U", CFX_ByteString(digest1, 48));
  if (m_Revision >= 6) {
    Revision6_Hash(password, size, digest + 8,
                   bOwner ? ukey.raw_str() : nullptr, digest1);
  } else {
    CRYPT_SHA256Start(sha);
    CRYPT_SHA256Update(sha, password, size);
    CRYPT_SHA256Update(sha, digest + 8, 8);
    if (bOwner) {
      CRYPT_SHA256Update(sha, ukey.raw_str(), ukey.GetLength());
    }
    CRYPT_SHA256Finish(sha, digest1);
  }
  uint8_t* aes = FX_Alloc(uint8_t, 2048);
  CRYPT_AESSetKey(aes, 16, digest1, 32, TRUE);
  uint8_t iv[16];
  FXSYS_memset(iv, 0, 16);
  CRYPT_AESSetIV(aes, iv);
  CRYPT_AESEncrypt(aes, digest1, key, 32);
  FX_Free(aes);
  pEncryptDict->SetAtString(bOwner ? "OE" : "UE", CFX_ByteString(digest1, 32));
}
开发者ID:gradescope，项目名称:pdfium，代码行数:48，代码来源:cpdf_security_handler.cpp

示例3: AddInstalledFont

void CFX_FontMapper::AddInstalledFont(const CFX_ByteString& name, int charset) {
  if (!m_pFontInfo)
    return;

  m_FaceArray.push_back({name, static_cast<uint32_t>(charset)});
  if (name == m_LastFamily)
    return;

  const uint8_t* ptr = name.raw_str();
  bool bLocalized = false;
  for (int i = 0; i < name.GetLength(); i++) {
    if (ptr[i] > 0x80) {
      bLocalized = true;
      break;
    }
  }

  if (bLocalized) {
    void* hFont = m_pFontInfo->GetFont(name.c_str());
    if (!hFont) {
      int iExact;
      hFont = m_pFontInfo->MapFont(0, 0, FXFONT_DEFAULT_CHARSET, 0,
                                   name.c_str(), iExact);
      if (!hFont)
        return;
    }

    CFX_ByteString new_name = GetPSNameFromTT(hFont);
    if (!new_name.IsEmpty())
      m_LocalizedTTFonts.push_back(std::make_pair(new_name, name));
    m_pFontInfo->DeleteFont(hFont);
  }
  m_InstalledTTFonts.push_back(name);
  m_LastFamily = name;
}
开发者ID:documentcloud，项目名称:pdfium，代码行数:35，代码来源:cfx_fontmapper.cpp

示例4: Decrypt

void CPDF_CryptoHandler::Decrypt(uint32_t objnum,
                                 uint32_t gennum,
                                 CFX_ByteString& str) {
  CFX_BinaryBuf dest_buf;
  void* context = DecryptStart(objnum, gennum);
  DecryptStream(context, str.raw_str(), str.GetLength(), dest_buf);
  DecryptFinish(context, dest_buf);
  str = CFX_ByteString(dest_buf.GetBuffer(), dest_buf.GetSize());
}
开发者ID:MIPS，项目名称:external-pdfium，代码行数:9，代码来源:cpdf_crypto_handler.cpp

示例5: sizeof

FX_BOOL CPDF_SecurityHandler::AES256_CheckPassword(const uint8_t* password,
                                                   uint32_t size,
                                                   FX_BOOL bOwner,
                                                   uint8_t* key) {
  CFX_ByteString okey =
      m_pEncryptDict ? m_pEncryptDict->GetStringBy("O") : CFX_ByteString();
  if (okey.GetLength() < 48) {
    return FALSE;
  }
  CFX_ByteString ukey =
      m_pEncryptDict ? m_pEncryptDict->GetStringBy("U") : CFX_ByteString();
  if (ukey.GetLength() < 48) {
    return FALSE;
  }
  const uint8_t* pkey = (bOwner ? okey : ukey).raw_str();
  uint8_t sha[128];
  uint8_t digest[32];
  if (m_Revision >= 6) {
    Revision6_Hash(password, size, (const uint8_t*)pkey + 32,
                   bOwner ? ukey.raw_str() : nullptr, digest);
  } else {
    CRYPT_SHA256Start(sha);
    CRYPT_SHA256Update(sha, password, size);
    CRYPT_SHA256Update(sha, pkey + 32, 8);
    if (bOwner) {
      CRYPT_SHA256Update(sha, ukey.raw_str(), 48);
    }
    CRYPT_SHA256Finish(sha, digest);
  }
  if (FXSYS_memcmp(digest, pkey, 32) != 0) {
    return FALSE;
  }
  if (!key) {
    return TRUE;
  }
  if (m_Revision >= 6) {
    Revision6_Hash(password, size, (const uint8_t*)pkey + 40,
                   bOwner ? ukey.raw_str() : nullptr, digest);
  } else {
    CRYPT_SHA256Start(sha);
    CRYPT_SHA256Update(sha, password, size);
    CRYPT_SHA256Update(sha, pkey + 40, 8);
    if (bOwner) {
      CRYPT_SHA256Update(sha, ukey.raw_str(), 48);
    }
    CRYPT_SHA256Finish(sha, digest);
  }
  CFX_ByteString ekey = m_pEncryptDict
                            ? m_pEncryptDict->GetStringBy(bOwner ? "OE" : "UE")
                            : CFX_ByteString();
  if (ekey.GetLength() < 32) {
    return FALSE;
  }
  uint8_t* aes = FX_Alloc(uint8_t, 2048);
  CRYPT_AESSetKey(aes, 16, digest, 32, FALSE);
  uint8_t iv[16];
  FXSYS_memset(iv, 0, 16);
  CRYPT_AESSetIV(aes, iv);
  CRYPT_AESDecrypt(aes, key, ekey.raw_str(), 32);
  CRYPT_AESSetKey(aes, 16, key, 32, FALSE);
  CRYPT_AESSetIV(aes, iv);
  CFX_ByteString perms = m_pEncryptDict->GetStringBy("Perms");
  if (perms.IsEmpty()) {
    return FALSE;
  }
  uint8_t perms_buf[16];
  FXSYS_memset(perms_buf, 0, sizeof(perms_buf));
  uint32_t copy_len = sizeof(perms_buf);
  if (copy_len > (uint32_t)perms.GetLength()) {
    copy_len = perms.GetLength();
  }
  FXSYS_memcpy(perms_buf, perms.raw_str(), copy_len);
  uint8_t buf[16];
  CRYPT_AESDecrypt(aes, buf, perms_buf, 16);
  FX_Free(aes);
  if (buf[9] != 'a' || buf[10] != 'd' || buf[11] != 'b') {
    return FALSE;
  }
  if (FXDWORD_GET_LSBFIRST(buf) != m_Permissions) {
    return FALSE;
  }
  if ((buf[8] == 'T' && !IsMetadataEncrypted()) ||
      (buf[8] == 'F' && IsMetadataEncrypted())) {
    return FALSE;
  }
  return TRUE;
}
开发者ID:gradescope，项目名称:pdfium，代码行数:87，代码来源:cpdf_security_handler.cpp

示例6: SetPageContents

void SetPageContents(CFX_ByteString key,
                     CPDF_Dictionary* pPage,
                     CPDF_Document* pDocument) {
  CPDF_Object* pContentsObj = pPage->GetStreamFor("Contents");
  if (!pContentsObj) {
    pContentsObj = pPage->GetArrayFor("Contents");
  }

  if (!pContentsObj) {
    // Create a new contents dictionary
    if (!key.IsEmpty()) {
      CPDF_Stream* pNewContents = new CPDF_Stream(
          nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
      CFX_ByteString sStream;
      sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
      pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
      pPage->SetReferenceFor("Contents", pDocument,
                             pDocument->AddIndirectObject(pNewContents));
    }
    return;
  }

  CPDF_Array* pContentsArray = nullptr;
  switch (pContentsObj->GetType()) {
    case CPDF_Object::STREAM: {
      pContentsArray = new CPDF_Array;
      CPDF_Stream* pContents = pContentsObj->AsStream();
      uint32_t dwObjNum = pDocument->AddIndirectObject(pContents);
      CPDF_StreamAcc acc;
      acc.LoadAllData(pContents);
      CFX_ByteString sStream = "q\n";
      CFX_ByteString sBody =
          CFX_ByteString((const FX_CHAR*)acc.GetData(), acc.GetSize());
      sStream = sStream + sBody + "\nQ";
      pContents->SetData(sStream.raw_str(), sStream.GetLength());
      pContentsArray->AddReference(pDocument, dwObjNum);
      break;
    }

    case CPDF_Object::ARRAY: {
      pContentsArray = pContentsObj->AsArray();
      break;
    }
    default:
      break;
  }

  if (!pContentsArray)
    return;

  pPage->SetReferenceFor("Contents", pDocument,
                         pDocument->AddIndirectObject(pContentsArray));

  if (!key.IsEmpty()) {
    CPDF_Stream* pNewContents = new CPDF_Stream(
        nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
    CFX_ByteString sStream;
    sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
    pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
    pContentsArray->AddReference(pDocument,
                                 pDocument->AddIndirectObject(pNewContents));
  }
}
开发者ID:hfiguiere，项目名称:pdfium，代码行数:63，代码来源:fpdf_flatten.cpp


注：本文中的CFX_ByteString::raw_str方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。