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author | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2007-04-15 22:54:31 +0000 |
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committer | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2007-04-15 22:54:31 +0000 |
commit | 851f567904d2e6ef236fede79b02d638c71e4e2f (patch) | |
tree | d7c8c74edd548369be89d8f6e88d055995ecd95a /salsa.h | |
parent | 6da041704487c4c8d90b3caa5112ff1ecbb62fb2 (diff) | |
download | cryptopp-851f567904d2e6ef236fede79b02d638c71e4e2f.tar.gz |
SSE2 optimizations
git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@282 57ff6487-cd31-0410-9ec3-f628ee90f5f0
Diffstat (limited to 'salsa.h')
-rwxr-xr-x | salsa.h | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -8,7 +8,7 @@ NAMESPACE_BEGIN(CryptoPP) //! _ -struct Salsa20_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::STRUCTURED_IV, 8> +struct Salsa20_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::UNIQUE_IV, 8> { static const char *StaticAlgorithmName() {return "Salsa20";} }; @@ -22,13 +22,17 @@ protected: void CipherResynchronize(byte *keystreamBuffer, const byte *IV); bool IsRandomAccess() const {return true;} void SeekToIteration(lword iterationCount); +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 + unsigned int GetAlignment() const; + unsigned int GetOptimalBlockSize() const; +#endif private: + FixedSizeAlignedSecBlock<word32, 16> m_state; int m_rounds; - FixedSizeSecBlock<word32, 16> m_state; }; -//! Salsa20, variable rounds: 8, 12 or 20 (default 20) +/// <a href="http://www.cryptolounge.org/wiki/Salsa20">Salsa20</a>, variable rounds: 8, 12 or 20 (default 20) struct Salsa20 : public Salsa20_Info, public SymmetricCipherDocumentation { typedef SymmetricCipherFinal<ConcretePolicyHolder<Salsa20_Policy, AdditiveCipherTemplate<> >, Salsa20_Info> Encryption; |