From be3b47d0d504a3409ce66bd77bb8c0acff87c4f5 Mon Sep 17 00:00:00 2001
From: kh1 <karsten.heimrich@nokia.com>
Date: Thu, 15 Mar 2012 14:53:47 +0100
Subject: Reorganize the tree, have better ifw.pri. Shadow build support.

Change-Id: I01fb12537f863ed0744979973c7e4153889cc5cb
Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>
---
 src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h | 68 ++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h

(limited to 'src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h')

diff --git a/src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h b/src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h
new file mode 100644
index 000000000..1bad1f91f
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/Crypto/Sha1.h
@@ -0,0 +1,68 @@
+// Crypto/Sha1.h
+// This file is based on public domain
+// Steve Reid and Wei Dai's code from Crypto++
+
+#ifndef __CRYPTO_SHA1_H
+#define __CRYPTO_SHA1_H
+
+#include <stddef.h>
+#include "../../Common/Types.h"
+
+// Sha1 implementation in RAR before version 3.60 has bug:
+// it changes data bytes in some cases.
+// So this class supports both versions: normal_SHA and rar3Mode
+
+namespace NCrypto {
+namespace NSha1 {
+
+const unsigned kBlockSize = 64;
+const unsigned kDigestSize = 20;
+
+const unsigned kBlockSizeInWords = (kBlockSize >> 2);
+const unsigned kDigestSizeInWords = (kDigestSize >> 2);
+
+class CContextBase
+{
+protected:
+  UInt32 _state[5];
+  UInt64 _count;
+  void UpdateBlock(UInt32 *data, bool returnRes = false)
+  {
+    GetBlockDigest(data, _state, returnRes);
+    _count++;
+  }
+public:
+  void Init();
+  void GetBlockDigest(UInt32 *blockData, UInt32 *destDigest, bool returnRes = false);
+  // PrepareBlock can be used only when size <= 13. size in Words
+  void PrepareBlock(UInt32 *block, unsigned int size) const;
+};
+
+class CContextBase2: public CContextBase
+{
+protected:
+  unsigned _count2;
+  UInt32 _buffer[kBlockSizeInWords];
+  void UpdateBlock() { CContextBase::UpdateBlock(_buffer); }
+public:
+  void Init() { CContextBase::Init(); _count2 = 0; }
+};
+
+class CContext: public CContextBase2
+{
+public:
+  void Update(const Byte *data, size_t size);
+  void UpdateRar(Byte *data, size_t size, bool rar350Mode);
+  void Final(Byte *digest);
+};
+
+class CContext32: public CContextBase2
+{
+public:
+  void Update(const UInt32 *data, size_t size);
+  void Final(UInt32 *digest);
+};
+
+}}
+
+#endif
-- 
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