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| |
| /* |
| // |
| // Purpose: |
| // Cryptography Primitive. |
| // Internal Definitions of AVX2 Montgomery Exp |
| // |
| */ |
| #include "owncp.h" |
| |
| #if (_IPP32E>=_IPP32E_L9) |
| |
| #include "pcpbnuimpl.h" |
| #include "pcpngmontexpstuff.h" |
| |
| #define RSA_AVX2_MIN_BITSIZE (1024) |
| #define RSA_AVX2_MAX_BITSIZE (13*1024) |
| |
| #define NORM_DIGSIZE_AVX2 (BITSIZE(Ipp32u)) |
| #define NORM_BASE_AVX2 ((Ipp64u)1<<NORM_DIGSIZE_AVX2) |
| #define NORM_MASK_AVX2 (NORM_BASE_AVX2-1) |
| |
| #define EXP_DIGIT_SIZE_AVX2 (27) |
| #define EXP_DIGIT_BASE_AVX2 (1<<EXP_DIGIT_SIZE_AVX2) |
| #define EXP_DIGIT_MASK_AVX2 (EXP_DIGIT_BASE_AVX2-1) |
| |
| |
| /* number of "diSize" chunks in "bitSize" bit string */ |
| __INLINE int cpDigitNum_avx2(int bitSize, int digSize) |
| { return (bitSize + digSize-1)/digSize; } |
| |
| /* number of "EXP_DIGIT_SIZE_AVX2" chunks in "bitSize" bit string matched for AMM */ |
| __INLINE cpSize numofVariable_avx2(int modulusBits) |
| { |
| cpSize ammBitSize = 2 + cpDigitNum_avx2(modulusBits, BITSIZE(BNU_CHUNK_T)) * BITSIZE(BNU_CHUNK_T); |
| cpSize redNum = cpDigitNum_avx2(ammBitSize, EXP_DIGIT_SIZE_AVX2); |
| return redNum; |
| } |
| |
| /* buffer corresponding to numofVariable_avx2() */ |
| __INLINE cpSize numofVariableBuff_avx2(int numV) |
| { |
| return numV +4; |
| } |
| |
| /* basic operations */ |
| #define cpMontMul1024_avx2 OWNAPI(cpMontMul1024_avx2) |
| void cpMontMul1024_avx2(Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pB, const Ipp64u* pModulus, int mLen, Ipp64u m0); |
| #define cpMontMul4n_avx2 OWNAPI(cpMontMul4n_avx2) |
| void cpMontMul4n_avx2 (Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pB, const Ipp64u* pModulus, int mLen, Ipp64u m0, Ipp64u* pScratchBuffer); |
| #define cpMontMul4n1_avx2 OWNAPI(cpMontMul4n1_avx2) |
| void cpMontMul4n1_avx2 (Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pB, const Ipp64u* pModulus, int mLen, Ipp64u m0, Ipp64u* pScratchBuffer); |
| #define cpMontMul4n2_avx2 OWNAPI(cpMontMul4n2_avx2) |
| void cpMontMul4n2_avx2 (Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pB, const Ipp64u* pModulus, int mLen, Ipp64u m0, Ipp64u* pScratchBuffer); |
| #define cpMontMul4n3_avx2 OWNAPI(cpMontMul4n3_avx2) |
| void cpMontMul4n3_avx2 (Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pB, const Ipp64u* pModulus, int mLen, Ipp64u m0, Ipp64u* pScratchBuffer); |
| |
| #define cpMontSqr1024_avx2 OWNAPI(cpMontSqr1024_avx2) |
| void cpMontSqr1024_avx2(Ipp64u* pR, const Ipp64u* pA, const Ipp64u* pModulus, int mLen, Ipp64u k0, Ipp64u* pBuffer); |
| #define cpSqr1024_avx2 OWNAPI(cpSqr1024_avx2) |
| void cpSqr1024_avx2 (Ipp64u* pR, const Ipp64u* pA, int aLen, Ipp64u* pBuffer); |
| #define cpSqr_avx2 OWNAPI(cpSqr_avx2) |
| void cpSqr_avx2 (Ipp64u* pR, const Ipp64u* pA, int aLen, Ipp64u* pBuffer); |
| |
| #define cpMontRed_avx2 OWNAPI(cpMontRed_avx2) |
| void cpMontRed_avx2(Ipp64u* pR, Ipp64u* pProduct, const Ipp64u* pModulus, int mLen, Ipp64u k0); |
| |
| /* exponentiation buffer size */ |
| #define gsMontExpBinBuffer_avx2 OWNAPI(gsMontExpBinBuffer_avx2) |
| #define gsMontExpWinBuffer_avx2 OWNAPI(gsMontExpWinBuffer_avx2) |
| cpSize gsMontExpBinBuffer_avx2(int modulusBits); |
| cpSize gsMontExpWinBuffer_avx2(int modulusBits); |
| |
| /* AVX2 exponentiations */ |
| #define gsMontExpBin_BNU_avx2 OWNAPI(gsMontExpBin_BNU_avx2) |
| cpSize gsMontExpBin_BNU_avx2(BNU_CHUNK_T* dataY, |
| const BNU_CHUNK_T* dataX, cpSize nsX, |
| const BNU_CHUNK_T* dataE, cpSize nsE, |
| gsModEngine* pMont, |
| BNU_CHUNK_T* pBuffer); |
| |
| #define gsMontExpBin_BNU_sscm_avx2 OWNAPI(gsMontExpBin_BNU_sscm_avx2) |
| cpSize gsMontExpBin_BNU_sscm_avx2(BNU_CHUNK_T* dataY, |
| const BNU_CHUNK_T* dataX, cpSize nsX, |
| const BNU_CHUNK_T* dataE, cpSize nsE, |
| gsModEngine* pMont, |
| BNU_CHUNK_T* pBuffer); |
| |
| #define gsMontExpWin_BNU_avx2 OWNAPI(gsMontExpWin_BNU_avx2) |
| cpSize gsMontExpWin_BNU_avx2(BNU_CHUNK_T* dataY, |
| const BNU_CHUNK_T* dataX, cpSize nsX, |
| const BNU_CHUNK_T* dataE, cpSize nsE, |
| gsModEngine* pMont, |
| BNU_CHUNK_T* pBuffer); |
| |
| #define gsMontExpWin_BNU_sscm_avx2 OWNAPI(gsMontExpWin_BNU_sscm_avx2) |
| cpSize gsMontExpWin_BNU_sscm_avx2(BNU_CHUNK_T* dataY, |
| const BNU_CHUNK_T* dataX, cpSize nsX, |
| const BNU_CHUNK_T* dataE, cpSize nsE, |
| gsModEngine* pMont, |
| BNU_CHUNK_T* pBuffer); |
| |
| #endif /* _IPP32E_L9 */ |
