diff options
| author | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
|---|---|---|
| committer | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
| commit | cb4a46e7fbe62d788e66ed6121c717a2d22a4d7c (patch) | |
| tree | 30df260fdc5a1b5a7049c2f8cac8b7ef17513d6d /cryptopp/crypto/tea.h | |
| parent | 19b6f534d2e784a1e120bf52c4aa07004798f473 (diff) | |
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
Diffstat (limited to 'cryptopp/crypto/tea.h')
| -rw-r--r-- | cryptopp/crypto/tea.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/cryptopp/crypto/tea.h b/cryptopp/crypto/tea.h new file mode 100644 index 0000000..4cc1e92 --- /dev/null +++ b/cryptopp/crypto/tea.h @@ -0,0 +1,132 @@ +#ifndef CRYPTOPP_TEA_H
+#define CRYPTOPP_TEA_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct TEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32>
+{
+ static const char *StaticAlgorithmName() {return "TEA";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">TEA</a>
+class TEA : public TEA_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<TEA_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+
+ protected:
+ FixedSizeSecBlock<word32, 4> m_k;
+ word32 m_limit;
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef TEA::Encryption TEAEncryption;
+typedef TEA::Decryption TEADecryption;
+
+//! _
+struct XTEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32>
+{
+ static const char *StaticAlgorithmName() {return "XTEA";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">XTEA</a>
+class XTEA : public XTEA_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<XTEA_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+
+ protected:
+ FixedSizeSecBlock<word32, 4> m_k;
+ word32 m_limit;
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+//! _
+struct BTEA_Info : public FixedKeyLength<16>
+{
+ static const char *StaticAlgorithmName() {return "BTEA";}
+};
+
+//! <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">corrected Block TEA</a> (as described in "xxtea").
+/*! This class hasn't been tested yet. */
+class BTEA : public BTEA_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public AlgorithmImpl<SimpleKeyingInterfaceImpl<BlockCipher, BTEA_Info>, BTEA_Info>, public BTEA_Info
+ {
+ public:
+ void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms)
+ {
+ m_blockSize = params.GetIntValueWithDefault("BlockSize", 60*4);
+ GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, key, KEYLENGTH);
+ }
+
+ unsigned int BlockSize() const {return m_blockSize;}
+
+ protected:
+ FixedSizeSecBlock<word32, 4> m_k;
+ unsigned int m_blockSize;
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+NAMESPACE_END
+
+#endif
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