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author | --author=Satoshi Nakamoto <satoshin@gmx.com> | 2010-07-27 20:43:55 +0000 |
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committer | Gavin Andresen <gavinandresen@gmail.com> | 2010-07-27 20:43:55 +0000 |
commit | 3dd20ff2f87958a440c9dceae8abe3967aa48fcf (patch) | |
tree | 5cf88b4e9ba89460a83488561d9fd23feaa87365 /cryptopp/iterhash.h | |
parent | 9f35575ca34eb15b20d1d5374b56ac9d4c8cc2bf (diff) | |
download | bitcoin-3dd20ff2f87958a440c9dceae8abe3967aa48fcf.tar.xz |
added a subset of Crypto++ 5.6.0 with 48% faster ASM SHA-256, combined speedup 2.5x faster vs 0.3.3, thanks BlackEye for figuring out the alignment problem
Diffstat (limited to 'cryptopp/iterhash.h')
-rw-r--r-- | cryptopp/iterhash.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/cryptopp/iterhash.h b/cryptopp/iterhash.h new file mode 100644 index 0000000000..2f5895e2d3 --- /dev/null +++ b/cryptopp/iterhash.h @@ -0,0 +1,29 @@ +#ifndef CRYPTOPP_ITERHASH_H +#define CRYPTOPP_ITERHASH_H + +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +// *** trimmed down dependency from iterhash.h *** +template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, unsigned int T_StateSize, class T_Transform, unsigned int T_DigestSize = 0, bool T_StateAligned = false> +class CRYPTOPP_NO_VTABLE IteratedHashWithStaticTransform +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize ? T_DigestSize : T_StateSize) + unsigned int DigestSize() const {return DIGESTSIZE;}; + typedef T_HashWordType HashWordType; + CRYPTOPP_CONSTANT(BLOCKSIZE = T_BlockSize) + +protected: + IteratedHashWithStaticTransform() {this->Init();} + void HashEndianCorrectedBlock(const T_HashWordType *data) {T_Transform::Transform(this->m_state, data);} + void Init() {T_Transform::InitState(this->m_state);} + + T_HashWordType* StateBuf() {return this->m_state;} + FixedSizeAlignedSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType), T_StateAligned> m_state; +}; + +NAMESPACE_END + +#endif |