Add SIMECK-64 SSSE3 implementation (GH #675)

1 files changed, 14 insertions, 2 deletions

diff --git a/simeck.h b/simeck.h
index b3345f4d..a6d44293 100644
--- a/simeck.h
+++ b/simeck.h
@@ -14,6 +14,10 @@
 #include "secblock.h"

 #include "algparam.h"

 

+#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86)

+# define CRYPTOPP_SIMECK_ADVANCED_PROCESS_BLOCKS 1

+#endif

+

 NAMESPACE_BEGIN(CryptoPP)

 

 /// \brief SIMECK block cipher information

@@ -57,7 +61,7 @@ public:
         void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);

 

         FixedSizeSecBlock<word16, ROUNDS> m_rk;

-        mutable FixedSizeSecBlock<word16, 5> m_t;

+        mutable FixedSizeSecBlock<word16, 4> m_t;

     };

 

     /// \brief Provides implementation for encryption transformation

@@ -106,7 +110,7 @@ public:
         void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);

 

         FixedSizeSecBlock<word32, ROUNDS> m_rk;

-        mutable FixedSizeSecBlock<word32, 5> m_t;

+        mutable FixedSizeSecBlock<word32, 4> m_t;

     };

 

     /// \brief Provides implementation for encryption transformation

@@ -117,6 +121,10 @@ public:
     {

     public:

         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

+

+#if CRYPTOPP_SIMECK_ADVANCED_PROCESS_BLOCKS

+        size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;

+#endif

     };

 

     /// \brief Provides implementation for encryption transformation

@@ -127,6 +135,10 @@ public:
     {

     public:

         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

+

+#if CRYPTOPP_SIMECK_ADVANCED_PROCESS_BLOCKS

+        size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;

+#endif

     };

 

     typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;