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| |
| /* |
| // Intel(R) Integrated Performance Primitives. Cryptography Primitives. |
| // Operations over GF(p). |
| // |
| // Context: |
| // ippsGFpSqr() |
| // |
| */ |
| #include "owndefs.h" |
| #include "owncp.h" |
| |
| #include "pcpgfpstuff.h" |
| #include "pcpgfpxstuff.h" |
| #include "pcphash.h" |
| #include "pcphash_rmf.h" |
| #include "pcptool.h" |
| |
| /*F* |
| // Name: ippsGFpSqr |
| // |
| // Purpose: Square of GF element |
| // |
| // Returns: Reason: |
| // ippStsNullPtrErr NULL == pGFp |
| // NULL == pA |
| // NULL == pR |
| // |
| // ippStsContextMatchErr invalid pGFp->idCtx |
| // invalid pA->idCtx |
| // invalid pR->idCtx |
| // |
| // ippStsOutOfRangeErr GFPE_ROOM() != GFP_FELEN() |
| // |
| // ippStsNoErr no error |
| // |
| // Parameters: |
| // pA Pointer to the context of the source finite field element. |
| // pR Pointer to the context of the result finite field element. |
| // pGFp Pointer to the context of the finite field. |
| // |
| *F*/ |
| |
| IPPFUN(IppStatus, ippsGFpSqr,(const IppsGFpElement* pA, |
| IppsGFpElement* pR, IppsGFpState* pGFp)) |
| { |
| IPP_BAD_PTR3_RET(pA, pR, pGFp); |
| pGFp = (IppsGFpState*)( IPP_ALIGNED_PTR(pGFp, GFP_ALIGNMENT) ); |
| IPP_BADARG_RET( !GFP_TEST_ID(pGFp), ippStsContextMatchErr ); |
| IPP_BADARG_RET( !GFPE_TEST_ID(pA), ippStsContextMatchErr ); |
| IPP_BADARG_RET( !GFPE_TEST_ID(pR), ippStsContextMatchErr ); |
| { |
| gsModEngine* pGFE = GFP_PMA(pGFp); |
| IPP_BADARG_RET( (GFPE_ROOM(pA)!=GFP_FELEN(pGFE)) || (GFPE_ROOM(pR)!=GFP_FELEN(pGFE)), ippStsOutOfRangeErr); |
| |
| GFP_METHOD(pGFE)->sqr(GFPE_DATA(pR), GFPE_DATA(pA), pGFE); |
| return ippStsNoErr; |
| } |
| } |