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authormadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
committermadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-08-30 23:06:13 +0200
commit539364846a89987ac2679988653f50332cb91d26 (patch)
treef1695473c1f493a19c5fbdb70f7f1faccf99d7f3 /CryptoPP/adler32.h
parentUpdated to V6 - "Stop" and "Progress report" functionality (diff)
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-rw-r--r--CryptoPP/adler32.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/CryptoPP/adler32.h b/CryptoPP/adler32.h
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+#ifndef CRYPTOPP_ADLER32_H
+#define CRYPTOPP_ADLER32_H
+
+#include "cryptlib.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! ADLER-32 checksum calculations
+class Adler32 : public HashTransformation
+{
+public:
+ CRYPTOPP_CONSTANT(DIGESTSIZE = 4)
+ Adler32() {Reset();}
+ void Update(const byte *input, size_t length);
+ void TruncatedFinal(byte *hash, size_t size);
+ unsigned int DigestSize() const {return DIGESTSIZE;}
+ static const char * StaticAlgorithmName() {return "Adler32";}
+ std::string AlgorithmName() const {return StaticAlgorithmName();}
+
+private:
+ void Reset() {m_s1 = 1; m_s2 = 0;}
+
+ word16 m_s1, m_s2;
+};
+
+NAMESPACE_END
+
+#endif