4.49 beta

CPP/7zip/Archive/Common/OutStreamWithSha1.h

@@ -0,0 +1,38 @@
+// OutStreamWithSha1.h
+
+#ifndef __OUTSTREAMWITHSHA1_H
+#define __OUTSTREAMWITHSHA1_H
+
+#include "../../../Common/MyCom.h"
+#include "../../IStream.h"
+
+
+
+#include "../../Crypto/Hash/Sha1.h"
+
+
+class COutStreamWithSha1: 
+  public ISequentialOutStream,
+  public CMyUnknownImp
+{
+  CMyComPtr<ISequentialOutStream> _stream;
+  UInt64 _size;
+  NCrypto::NSha1::CContext _sha;
+  bool _calculate;
+public:
+  MY_UNKNOWN_IMP
+  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+  void SetStream(ISequentialOutStream *stream) { _stream = stream; }
+  void ReleaseStream() { _stream.Release(); }
+  void Init(bool calculate = true)
+  {
+    _size = 0;
+    _calculate = calculate;
+    _sha.Init();
+  }
+  void InitSha1() { _sha.Init(); }
+  UInt64 GetSize() const { return _size; }
+  void Final(Byte *digest) { _sha.Final(digest); }
+};
+
+#endif