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| |
| /* |
| // Intel(R) Integrated Performance Primitives. Cryptography Primitives. |
| // GF(p^d) methods |
| // |
| */ |
| #include "owncp.h" |
| |
| #include "pcpgfpxstuff.h" |
| #include "pcpgfpxmethod_com.h" |
| |
| |
| BNU_CHUNK_T* cpGFpxSub_com(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pGFEx) |
| { |
| gsEngine* pBasicGFE = cpGFpBasic(pGFEx); |
| mod_sub subF = GFP_METHOD(pBasicGFE)->sub; |
| int basicElemLen = GFP_FELEN(pBasicGFE); |
| int basicDeg = cpGFpBasicDegreeExtension(pGFEx); |
| |
| BNU_CHUNK_T* pTmp = pR; |
| int deg; |
| for(deg=0; deg<basicDeg; deg++) { |
| subF(pTmp, pA, pB, pBasicGFE); |
| pTmp += basicElemLen; |
| pA += basicElemLen; |
| pB += basicElemLen; |
| } |
| return pR; |
| } |