本文整理汇总了C++中CItemEx::IsEncrypted方法的典型用法代码示例。如果您正苦于以下问题：C++ CItemEx::IsEncrypted方法的具体用法？C++ CItemEx::IsEncrypted怎么用？C++ CItemEx::IsEncrypted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CItemEx的用法示例。
在下文中一共展示了CItemEx::IsEncrypted方法的2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: Decode
HRESULT CZipDecoder::Decode(
DECL_EXTERNAL_CODECS_LOC_VARS
CInArchive &archive, const CItemEx &item,
ISequentialOutStream *realOutStream,
IArchiveExtractCallback *extractCallback,
ICompressProgressInfo *compressProgress,
UInt32 numThreads, Int32 &res)
{
res = NArchive::NExtract::NOperationResult::kDataError;
CInStreamReleaser inStreamReleaser;
bool needCRC = true;
bool wzAesMode = false;
bool pkAesMode = false;
UInt16 methodId = item.CompressionMethod;
if (item.IsEncrypted())
{
if (item.IsStrongEncrypted())
{
CStrongCryptoField f;
if (item.CentralExtra.GetStrongCryptoField(f))
{
pkAesMode = true;
}
if (!pkAesMode)
{
res = NArchive::NExtract::NOperationResult::kUnSupportedMethod;
return S_OK;
}
}
if (methodId == NFileHeader::NCompressionMethod::kWzAES)
{
CWzAesExtraField aesField;
if (item.CentralExtra.GetWzAesField(aesField))
{
wzAesMode = true;
needCRC = aesField.NeedCrc();
}
}
}
COutStreamWithCRC *outStreamSpec = new COutStreamWithCRC;
CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
outStreamSpec->SetStream(realOutStream);
outStreamSpec->Init(needCRC);
UInt64 authenticationPos;
CMyComPtr<ISequentialInStream> inStream;
{
UInt64 packSize = item.PackSize;
if (wzAesMode)
{
if (packSize < NCrypto::NWzAes::kMacSize)
return S_OK;
packSize -= NCrypto::NWzAes::kMacSize;
}
UInt64 dataPos = item.GetDataPosition();
inStream.Attach(archive.CreateLimitedStream(dataPos, packSize));
authenticationPos = dataPos + packSize;
}
CMyComPtr<ICompressFilter> cryptoFilter;
if (item.IsEncrypted())
{
if (wzAesMode)
{
CWzAesExtraField aesField;
if (!item.CentralExtra.GetWzAesField(aesField))
return S_OK;
methodId = aesField.Method;
if (!_wzAesDecoder)
{
_wzAesDecoderSpec = new NCrypto::NWzAes::CDecoder;
_wzAesDecoder = _wzAesDecoderSpec;
}
cryptoFilter = _wzAesDecoder;
Byte properties = aesField.Strength;
RINOK(_wzAesDecoderSpec->SetDecoderProperties2(&properties, 1));
}
else if (pkAesMode)
{
if (!_pkAesDecoder)
{
_pkAesDecoderSpec = new NCrypto::NZipStrong::CDecoder;
_pkAesDecoder = _pkAesDecoderSpec;
}
cryptoFilter = _pkAesDecoder;
}
else
{
if (!_zipCryptoDecoder)
{
_zipCryptoDecoderSpec = new NCrypto::NZip::CDecoder;
_zipCryptoDecoder = _zipCryptoDecoderSpec;
}
cryptoFilter = _zipCryptoDecoder;
}
CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
RINOK(cryptoFilter.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword));
//.........这里部分代码省略.........
示例2: Decode
HRESULT CZipDecoder::Decode(
CInArchive &archive, const CItemEx &item,
ISequentialOutStream *realOutStream,
IArchiveExtractCallback *_extractCallback,
quint32 numThreads, qint32 &res)
{
RefPtr<IArchiveExtractCallback> extractCallback(_extractCallback);
res = NArchive::NExtract::NOperationResult::kDataError;
CInStreamReleaser inStreamReleaser;
bool needCRC = true;
bool aesMode = false;
#ifdef ZIP_STRONG_SUPORT
bool pkAesMode = false;
#endif
quint16 methodId = item.CompressionMethod;
if (item.IsEncrypted()) {
if (item.IsStrongEncrypted()) {
#ifdef ZIP_STRONG_SUPORT
CStrongCryptoField f;
if (item.CentralExtra.GetStrongCryptoField(f)) {
pkAesMode = true;
}
if (!pkAesMode)
#endif
{
res = NArchive::NExtract::NOperationResult::kUnSupportedMethod;
return S_OK;
}
}
if (methodId == NFileHeader::NCompressionMethod::kWzAES) {
CWzAesExtraField aesField;
if (item.CentralExtra.GetWzAesField(aesField)) {
aesMode = true;
needCRC = aesField.NeedCrc();
}
}
}
COutStreamWithCRC *outStreamSpec = new COutStreamWithCRC;
RefPtr<ISequentialOutStream> outStream = outStreamSpec;
outStreamSpec->SetStream(realOutStream);
outStreamSpec->Init(needCRC);
quint64 authenticationPos;
RefPtr<ISequentialInStream> inStream;
{
quint64 packSize = item.PackSize;
if (aesMode) {
if (packSize < NCrypto::NWzAES::kMacSize)
return S_OK;
packSize -= NCrypto::NWzAES::kMacSize;
}
quint64 dataPos = item.GetDataPosition();
inStream = archive.CreateLimitedStream(dataPos, packSize);
authenticationPos = dataPos + packSize;
}
RefPtr<ICompressFilter> cryptoFilter;
if (item.IsEncrypted()) {
if (aesMode) {
CWzAesExtraField aesField;
if (!item.CentralExtra.GetWzAesField(aesField))
return S_OK;
methodId = aesField.Method;
if (!_aesDecoder) {
_aesDecoderSpec = new NCrypto::NWzAES::CDecoder;
_aesDecoder = _aesDecoderSpec;
}
cryptoFilter = _aesDecoder;
quint8 properties = aesField.Strength;
RINOK(_aesDecoderSpec->SetDecoderProperties2(&properties, 1));
}
#ifdef ZIP_STRONG_SUPORT
else if (pkAesMode) {
if (!_zsDecoder) {
_zsDecoderSpec = new NCrypto::NZipStrong::CDecoder;
_zsDecoder = _zsDecoderSpec;
}
cryptoFilter = _zsDecoder;
}
#endif
else {
if (!_zipCryptoDecoder) {
_zipCryptoDecoderSpec = new NCrypto::NZip::CDecoder;
_zipCryptoDecoder = _zipCryptoDecoderSpec;
}
cryptoFilter = _zipCryptoDecoder;
}
RefPtr<ICryptoSetPassword> cryptoSetPassword;
RINOK(cryptoFilter.QueryInterface(&cryptoSetPassword));
if (!getTextPassword)
extractCallback.QueryInterface(&getTextPassword);
if (getTextPassword) {
QString password;
RINOK(getTextPassword->CryptoGetTextPassword(&password));
//.........这里部分代码省略.........