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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/ttmac.h
parentUpdated to V6 - "Stop" and "Progress report" functionality (diff)
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diff --git a/CryptoPP/ttmac.h b/CryptoPP/ttmac.h
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+// ttmac.h - written and placed in the public domain by Kevin Springle
+
+#ifndef CRYPTOPP_TTMAC_H
+#define CRYPTOPP_TTMAC_H
+
+#include "seckey.h"
+#include "iterhash.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+class CRYPTOPP_NO_VTABLE TTMAC_Base : public FixedKeyLength<20>, public IteratedHash<word32, LittleEndian, 64, MessageAuthenticationCode>
+{
+public:
+ static std::string StaticAlgorithmName() {return std::string("Two-Track-MAC");}
+ CRYPTOPP_CONSTANT(DIGESTSIZE=20)
+
+ unsigned int DigestSize() const {return DIGESTSIZE;};
+ void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &params);
+ void TruncatedFinal(byte *mac, size_t size);
+
+protected:
+ static void Transform (word32 *digest, const word32 *X, bool last);
+ void HashEndianCorrectedBlock(const word32 *data) {Transform(m_digest, data, false);}
+ void Init();
+ word32* StateBuf() {return m_digest;}
+
+ FixedSizeSecBlock<word32, 10> m_digest;
+ FixedSizeSecBlock<word32, 5> m_key;
+};
+
+//! <a href="http://www.weidai.com/scan-mirror/mac.html#TTMAC">Two-Track-MAC</a>
+/*! 160 Bit MAC with 160 Bit Key */
+DOCUMENTED_TYPEDEF(MessageAuthenticationCodeFinal<TTMAC_Base>, TTMAC)
+
+NAMESPACE_END
+
+#endif