diff options
| author | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-15 10:38:20 +0000 |
|---|---|---|
| committer | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-15 10:38:20 +0000 |
| commit | 48540940b6c28bb4378abfeb500ec45a625b37b6 (patch) | |
| tree | 2ef294c0763e802f91d868bdef4229b6868527de /plugins/CryptoPP/crypto/rc2.h | |
| parent | 5c350913f011e119127baeb32a6aedeb4f0d33bc (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/rc2.h')
| -rw-r--r-- | plugins/CryptoPP/crypto/rc2.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/rc2.h b/plugins/CryptoPP/crypto/rc2.h new file mode 100644 index 0000000000..25c10f3c74 --- /dev/null +++ b/plugins/CryptoPP/crypto/rc2.h @@ -0,0 +1,72 @@ +#ifndef CRYPTOPP_RC2_H
+#define CRYPTOPP_RC2_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+#include "algparam.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct RC2_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 128>
+{
+ CRYPTOPP_CONSTANT(DEFAULT_EFFECTIVE_KEYLENGTH = 1024)
+ CRYPTOPP_CONSTANT(MAX_EFFECTIVE_KEYLENGTH = 1024)
+ static const char *StaticAlgorithmName() {return "RC2";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC2">RC2</a>
+class RC2 : public RC2_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC2_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+
+ protected:
+ FixedSizeSecBlock<word16, 64> K; // expanded key table
+ };
+
+ 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:
+ class Encryption : public BlockCipherFinal<ENCRYPTION, Enc>
+ {
+ public:
+ Encryption() {}
+ Encryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
+ {SetKey(key, keyLen);}
+ Encryption(const byte *key, size_t keyLen, int effectiveKeyLen)
+ {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
+ };
+
+ class Decryption : public BlockCipherFinal<DECRYPTION, Dec>
+ {
+ public:
+ Decryption() {}
+ Decryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
+ {SetKey(key, keyLen);}
+ Decryption(const byte *key, size_t keyLen, int effectiveKeyLen)
+ {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
+ };
+};
+
+typedef RC2::Encryption RC2Encryption;
+typedef RC2::Decryption RC2Decryption;
+
+NAMESPACE_END
+
+#endif
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