xevion/easy7zip
1
0
Fork 0
mirror of https://github.com/Xevion/easy7zip.git synced 2025-12-17 04:11:51 -06:00
Code Issues Packages Projects Releases Wiki Activity

4.20

Browse Source
This commit is contained in:
Igor Pavlov
2005-05-30 00:00:00 +00:00
committed by Kornel Lesiński
parent 8c1b5c7b7e
commit 3c510ba80b
926 changed files with 40559 additions and 23519 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
7zip/Crypto/Rar20/Rar20Cipher.cpp
View File

@@ -10,36 +10,44 @@ namespace NRar20 {
static const int kBufferSize = 1 << 17;
CDecoder::CDecoder():
_buffer(0)
{
_buffer = new BYTE[kBufferSize];
}
CDecoder::~CDecoder()
{
delete []_buffer;
}
STDMETHODIMP CDecoder::CryptoSetPassword(const BYTE *data, UINT32 size)
STDMETHODIMP CDecoder::CryptoSetPassword(const Byte *data, UInt32 size)
{
_coder.SetPassword(data, size);
return S_OK;
}
STDMETHODIMP CDecoder::Init()
{
return S_OK;
}
STDMETHODIMP_(UInt32) CDecoder::Filter(Byte *data, UInt32 size)
{
const UInt16 kBlockSize = 16;
if (size > 0 && size < kBlockSize)
return kBlockSize;
UInt32 i;
for (i = 0; i + kBlockSize <= size; i += kBlockSize)
{
_coder.DecryptBlock(data + i);
}
return i;
}
/*
STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UINT64 *inSize, const UINT64 *outSize,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress)
{
UINT64 nowPos = 0;
UINT32 bufferPos = 0;
UINT32 processedSize;
UInt64 nowPos = 0;
UInt32 bufferPos = 0;
UInt32 processedSize;
while(true)
{
UINT32 size = kBufferSize - bufferPos;
UInt32 size = kBufferSize - bufferPos;
RINOK(inStream->Read(_buffer + bufferPos, size, &processedSize));
UINT32 anEndPos = bufferPos + processedSize;
UInt32 anEndPos = bufferPos + processedSize;
for (;bufferPos + 16 <= anEndPos; bufferPos += 16)
_coder.DecryptBlock(_buffer + bufferPos);
@@ -47,7 +55,7 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream,
return S_OK;
if (outSize != NULL && nowPos + bufferPos > *outSize)
bufferPos = UINT32(*outSize - nowPos);
bufferPos = UInt32(*outSize - nowPos);
RINOK(outStream->Write(_buffer, bufferPos, &processedSize));
if (bufferPos != processedSize)
@@ -63,5 +71,6 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream,
bufferPos = i;
}
}
*/
}}