From cb4a46e7fbe62d788e66ed6121c717a2d22a4d7c Mon Sep 17 00:00:00 2001
From: watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb>
Date: Thu, 21 Apr 2011 14:14:52 +0000
Subject: svn.miranda.im is moving to a new home!

git-svn-id: http://miranda-plugins.googlecode.com/svn/trunk@7 e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb
---
 cryptopp/crypto/vmac.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 cryptopp/crypto/vmac.h

(limited to 'cryptopp/crypto/vmac.h')

diff --git a/cryptopp/crypto/vmac.h b/cryptopp/crypto/vmac.h
new file mode 100644
index 0000000..a2c85ac
--- /dev/null
+++ b/cryptopp/crypto/vmac.h
@@ -0,0 +1,77 @@
+#ifndef CRYPTOPP_VMAC_H
+#define CRYPTOPP_VMAC_H
+
+#include "iterhash.h"
+#include "seckey.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+#define CRYPTOPP_BLOCK_1(n, t, s) t* m_##n() {return (t *)(m_aggregate+0);}     size_t SS1() {return       sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_2(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS1());} size_t SS2() {return SS1()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_3(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS2());} size_t SS3() {return SS2()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_4(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS3());} size_t SS4() {return SS3()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_5(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS4());} size_t SS5() {return SS4()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_6(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS5());} size_t SS6() {return SS5()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_7(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS6());} size_t SS7() {return SS6()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCK_8(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS7());} size_t SS8() {return SS7()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);}
+#define CRYPTOPP_BLOCKS_END(i) size_t SST() {return SS##i();} void AllocateBlocks() {m_aggregate.New(SST());} AlignedSecByteBlock m_aggregate;
+
+/// .
+class VMAC_Base : public IteratedHashBase<word64, MessageAuthenticationCode>
+{
+public:
+	std::string AlgorithmName() const {return std::string("VMAC(") + GetCipher().AlgorithmName() + ")-" + IntToString(DigestSize()*8);}
+	unsigned int IVSize() const {return GetCipher().BlockSize();}
+	void Resynchronize(const byte *IV);
+	void GetNextIV(RandomNumberGenerator &rng, byte *IV);
+	unsigned int DigestSize() const {return m_is128 ? 16 : 8;};
+	void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &params);
+	void TruncatedFinal(byte *mac, size_t size);
+	unsigned int BlockSize() const {return m_L1KeyLength;}
+	ByteOrder GetByteOrder() const {return LITTLE_ENDIAN_ORDER;}
+
+protected:
+	virtual BlockCipher & AccessCipher() =0;
+	virtual int DefaultDigestSize() const =0;
+	const BlockCipher & GetCipher() const {return const_cast<VMAC_Base *>(this)->AccessCipher();}
+	void HashEndianCorrectedBlock(const word64 *data);
+	size_t HashMultipleBlocks(const word64 *input, size_t length);
+	void Init() {}
+	word64* StateBuf() {return NULL;}
+	word64* DataBuf() {return (word64 *)m_data();}
+
+	void VHASH_Update_SSE2(const word64 *data, size_t blocksRemainingInWord64, int tagPart);
+#if !(defined(_MSC_VER) && _MSC_VER < 1300)		// can't use function template here with VC6
+	template <bool T_128BitTag>
+#endif
+	void VHASH_Update_Template(const word64 *data, size_t blockRemainingInWord128);
+	void VHASH_Update(const word64 *data, size_t blocksRemainingInWord128);
+
+	CRYPTOPP_BLOCK_1(polyState, word64, 4*(m_is128+1))
+	CRYPTOPP_BLOCK_2(nhKey, word64, m_L1KeyLength/sizeof(word64) + 2*m_is128)
+	CRYPTOPP_BLOCK_3(data, byte, m_L1KeyLength)
+	CRYPTOPP_BLOCK_4(l3Key, word64, 2*(m_is128+1))
+	CRYPTOPP_BLOCK_5(nonce, byte, IVSize())
+	CRYPTOPP_BLOCK_6(pad, byte, IVSize())
+	CRYPTOPP_BLOCKS_END(6)
+
+	bool m_is128, m_padCached, m_isFirstBlock;
+	int m_L1KeyLength;
+};
+
+/// <a href="http://www.cryptolounge.org/wiki/VMAC">VMAC</a>
+template <class T_BlockCipher, int T_DigestBitSize = 128>
+class VMAC : public SimpleKeyingInterfaceImpl<VMAC_Base, SameKeyLengthAs<T_BlockCipher, SimpleKeyingInterface::UNIQUE_IV, T_BlockCipher::BLOCKSIZE> >
+{
+public:
+	static std::string StaticAlgorithmName() {return std::string("VMAC(") + T_BlockCipher::StaticAlgorithmName() + ")-" + IntToString(T_DigestBitSize);}
+
+private:
+	BlockCipher & AccessCipher() {return m_cipher;}
+	int DefaultDigestSize() const {return T_DigestBitSize/8;}
+	typename T_BlockCipher::Encryption m_cipher;
+};
+
+NAMESPACE_END
+
+#endif
-- 
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