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15.05

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This commit is contained in:
Igor Pavlov
2015-06-15 00:00:00 +00:00
committed by Kornel Lesiński
parent 0713a3ab80
commit 54490d51d5
591 changed files with 34932 additions and 16390 deletions
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37
CPP/7zip/Crypto/ZipCrypto.h
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@@ -13,24 +13,41 @@ namespace NZip {
const unsigned kHeaderSize = 12;
/* ICompressFilter::Init() does nothing for this filter.
Call to init:
Encoder:
CryptoSetPassword();
WriteHeader();
Decoder:
[CryptoSetPassword();]
ReadHeader();
[CryptoSetPassword();] Init_and_GetCrcByte();
[CryptoSetPassword();] Init_and_GetCrcByte();
*/
class CCipher:
public ICompressFilter,
public ICryptoSetPassword,
public CMyUnknownImp
{
UInt32 Keys[3];
UInt32 Keys2[3];
protected:
void UpdateKeys(Byte b);
Byte DecryptByteSpec();
UInt32 Key0;
UInt32 Key1;
UInt32 Key2;
UInt32 KeyMem0;
UInt32 KeyMem1;
UInt32 KeyMem2;
void RestoreKeys()
{
for (int i = 0; i < 3; i++)
Keys[i] = Keys2[i];
Key0 = KeyMem0;
Key1 = KeyMem1;
Key2 = KeyMem2;
}
public:
MY_UNKNOWN_IMP1(ICryptoSetPassword)
STDMETHOD(Init)();
STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
};
@@ -38,17 +55,17 @@ public:
class CEncoder: public CCipher
{
public:
MY_UNKNOWN_IMP1(ICryptoSetPassword)
STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
HRESULT WriteHeader(ISequentialOutStream *outStream, UInt32 crc);
HRESULT WriteHeader_Check16(ISequentialOutStream *outStream, UInt16 crc);
};
class CDecoder: public CCipher
{
public:
MY_UNKNOWN_IMP1(ICryptoSetPassword)
Byte _header[kHeaderSize];
STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
HRESULT ReadHeader(ISequentialInStream *inStream);
void Init_BeforeDecode();
};
}}