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/cast.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/cast.h')
| -rw-r--r-- | cryptopp/crypto/cast.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/cryptopp/crypto/cast.h b/cryptopp/crypto/cast.h new file mode 100644 index 0000000..f527be8 --- /dev/null +++ b/cryptopp/crypto/cast.h @@ -0,0 +1,91 @@ +#ifndef CRYPTOPP_CAST_H
+#define CRYPTOPP_CAST_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+class CAST
+{
+protected:
+ static const word32 S[8][256];
+};
+
+//! algorithm info
+struct CAST128_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 5, 16>
+{
+ static const char *StaticAlgorithmName() {return "CAST-128";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#CAST-128">CAST-128</a>
+class CAST128 : public CAST128_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST128_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+
+ protected:
+ bool reduced;
+ FixedSizeSecBlock<word32, 32> K;
+ };
+
+ 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;
+};
+
+//! algorithm info
+struct CAST256_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32>
+{
+ static const char *StaticAlgorithmName() {return "CAST-256";}
+};
+
+//! <a href="http://www.weidai.com/scan-mirror/cs.html#CAST-256">CAST-256</a>
+class CAST256 : public CAST256_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST256_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+
+ protected:
+ static const word32 t_m[8][24];
+ static const unsigned int t_r[8][24];
+
+ static void Omega(int i, word32 kappa[8]);
+
+ FixedSizeSecBlock<word32, 8*12> K;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
+};
+
+typedef CAST128::Encryption CAST128Encryption;
+typedef CAST128::Decryption CAST128Decryption;
+
+typedef CAST256::Encryption CAST256Encryption;
+typedef CAST256::Decryption CAST256Decryption;
+
+NAMESPACE_END
+
+#endif
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