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40
41 /*
42 // Intel(R) Integrated Performance Primitives. Cryptography Primitives.
43 // Internal operations over prime GF(p).
44 //
45 // Context:
46 // cpGFpSet
47 //
48 */
49 #include "owncp.h"
50
51 #include "pcpbn.h"
52 #include "pcpgfpstuff.h"
53
54 //tbcd: temporary excluded: #include <assert.h>
55
cpGFpSet(BNU_CHUNK_T * pElm,const BNU_CHUNK_T * pDataA,int nsA,gsModEngine * pGFE)56 BNU_CHUNK_T* cpGFpSet(BNU_CHUNK_T* pElm, const BNU_CHUNK_T* pDataA, int nsA, gsModEngine* pGFE)
57 {
58 const BNU_CHUNK_T* pModulus = GFP_MODULUS(pGFE);
59 int elemLen = GFP_FELEN(pGFE);
60
61 if(0 <= cpCmp_BNU(pDataA, nsA, pModulus, elemLen))
62 return NULL;
63 else {
64 BNU_CHUNK_T* pTmp = cpGFpGetPool(1, pGFE);
65 //tbcd: temporary excluded: assert(pTmp !=NULL);
66
67 ZEXPAND_COPY_BNU(pTmp, elemLen, pDataA, nsA);
68 GFP_METHOD(pGFE)->encode(pElm, pTmp, pGFE);
69
70 cpGFpReleasePool(1, pGFE);
71 return pElm;
72 }
73 }
74