From b21162cf8e06f40baa1f58be6a8c17435cebc34d Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Fri, 4 Oct 2002 17:31:41 +0000
Subject: Initial revision

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@2 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 adler32.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 adler32.h

(limited to 'adler32.h')

diff --git a/adler32.h b/adler32.h
new file mode 100644
index 0000000..5c9d8cf
--- /dev/null
+++ b/adler32.h
@@ -0,0 +1,26 @@
+#ifndef CRYPTOPP_ADLER32_H
+#define CRYPTOPP_ADLER32_H
+
+#include "cryptlib.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! ADLER-32 checksum calculations 
+class Adler32 : public HashTransformation
+{
+public:
+	enum {DIGESTSIZE = 4};
+	Adler32() {Reset();}
+	void Update(const byte *input, unsigned int length);
+	void TruncatedFinal(byte *hash, unsigned int size);
+	unsigned int DigestSize() const {return DIGESTSIZE;}
+
+private:
+	void Reset() {m_s1 = 1; m_s2 = 0;}
+
+	word16 m_s1, m_s2;
+};
+
+NAMESPACE_END
+
+#endif
-- 
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