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| author | Jeffrey Walton <noloader@gmail.com> | 2018-06-30 02:43:12 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-06-30 02:43:12 -0400 |
| commit | ac036496d350a971a17fdb8765997dd36b2f9871 (patch) | |
| tree | 9838c745337f5609384646d826061a435e884ac8 /simeck.h | |
| parent | e18de4d5f9960dbad9587de25124d0c3fbefa9ba (diff) | |
| download | cryptopp-git-ac036496d350a971a17fdb8765997dd36b2f9871.tar.gz | |
Add Simeck lightweight block cipher (GH #675)
Add Simeck lightweight block cipher (GH #675)
Diffstat (limited to 'simeck.h')
| -rw-r--r-- | simeck.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/simeck.h b/simeck.h new file mode 100644 index 00000000..b3345f4d --- /dev/null +++ b/simeck.h @@ -0,0 +1,141 @@ +// simeck.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
+// Based on "The Simeck Family of Lightweight Block Ciphers" by Gangqiang Yang,
+// Bo Zhu, Valentin Suder, Mark D. Aagaard, and Guang Gong
+
+/// \file simeck.h
+/// \brief Classes for the SIMECK block cipher
+/// \since Crypto++ 7.1
+
+#ifndef CRYPTOPP_SIMECK_H
+#define CRYPTOPP_SIMECK_H
+
+#include "config.h"
+#include "seckey.h"
+#include "secblock.h"
+#include "algparam.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// \brief SIMECK block cipher information
+/// \since Crypto++ 7.1
+struct SIMECK32_Info : public FixedBlockSize<4>, public FixedKeyLength<8>, public FixedRounds<32>
+{
+ static const std::string StaticAlgorithmName()
+ {
+ // Format is Cipher-Blocksize
+ return "SIMECK-32";
+ }
+};
+
+/// \brief SIMECK block cipher information
+/// \since Crypto++ 7.1
+struct SIMECK64_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public FixedRounds<44>
+{
+ static const std::string StaticAlgorithmName()
+ {
+ // Format is Cipher-Blocksize
+ return "SIMECK-64";
+ }
+};
+
+/// \brief SIMECK 32-bit block cipher
+/// \details SIMECK32 provides 32-bit block size. The valid key size is 64-bit.
+/// \note Crypto++ provides a byte oriented implementation
+/// \sa SIMECK64, <a href="http://www.cryptopp.com/wiki/SIMECK">SIMECK</a>, <a href=
+/// "https://eprint.iacr.org/2015/612.pdf">The Simeck Family of Lightweight Block
+/// Ciphers</a>
+/// \since Crypto++ 7.1
+class CRYPTOPP_NO_VTABLE SIMECK32 : public SIMECK32_Info, public BlockCipherDocumentation
+{
+public:
+ /// \brief SIMECK block cipher transformation functions
+ /// \details Provides implementation common to encryption and decryption
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SIMECK32_Info>
+ {
+ protected:
+ void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs ¶ms);
+
+ FixedSizeSecBlock<word16, ROUNDS> m_rk;
+ mutable FixedSizeSecBlock<word16, 5> m_t;
+ };
+
+ /// \brief Provides implementation for encryption transformation
+ /// \details Enc provides implementation for encryption transformation. All key and block
+ /// sizes are supported.
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ /// \brief Provides implementation for encryption transformation
+ /// \details Dec provides implementation for decryption transformation. All key and block
+ /// sizes are supported.
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef SIMECK32::Encryption SIMECK32Encryption;
+typedef SIMECK32::Decryption SIMECK32Decryption;
+
+/// \brief SIMECK 64-bit block cipher
+/// \details SIMECK64 provides 64-bit block size. The valid key size is 128-bit.
+/// \note Crypto++ provides a byte oriented implementation
+/// \sa SIMECK32, <a href="http://www.cryptopp.com/wiki/SIMECK">SIMECK</a>, <a href=
+/// "https://eprint.iacr.org/2015/612.pdf">The Simeck Family of Lightweight Block
+/// Ciphers</a>
+/// \since Crypto++ 7.1
+class CRYPTOPP_NO_VTABLE SIMECK64 : public SIMECK64_Info, public BlockCipherDocumentation
+{
+public:
+ /// \brief SIMECK block cipher transformation functions
+ /// \details Provides implementation common to encryption and decryption
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SIMECK64_Info>
+ {
+ protected:
+ void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs ¶ms);
+
+ FixedSizeSecBlock<word32, ROUNDS> m_rk;
+ mutable FixedSizeSecBlock<word32, 5> m_t;
+ };
+
+ /// \brief Provides implementation for encryption transformation
+ /// \details Enc provides implementation for encryption transformation. All key and block
+ /// sizes are supported.
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ /// \brief Provides implementation for encryption transformation
+ /// \details Dec provides implementation for decryption transformation. All key and block
+ /// sizes are supported.
+ /// \since Crypto++ 7.1
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef SIMECK64::Encryption SIMECK64Encryption;
+typedef SIMECK64::Decryption SIMECK64Decryption;
+
+NAMESPACE_END
+
+#endif // CRYPTOPP_SIMECK_H
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