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authorVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
commit48540940b6c28bb4378abfeb500ec45a625b37b6 (patch)
tree2ef294c0763e802f91d868bdef4229b6868527de /plugins/CryptoPP/crypto/adler32.h
parent5c350913f011e119127baeb32a6aedeb4f0d33bc (diff)
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/crypto/adler32.h')
-rw-r--r--plugins/CryptoPP/crypto/adler32.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/adler32.h b/plugins/CryptoPP/crypto/adler32.h
new file mode 100644
index 0000000000..672b3edd18
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+++ b/plugins/CryptoPP/crypto/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;}
+ std::string AlgorithmName() const {return "Adler32";}
+
+private:
+ void Reset() {m_s1 = 1; m_s2 = 0;}
+
+ word16 m_s1, m_s2;
+};
+
+NAMESPACE_END
+
+#endif