C++ (Cpp) BN_VALID_ID Exemples

Exemple #1

Fichier : pcpeccppublickeyca.c Projet : axelexic/linux-sgx

//
*F*/
IPPFUN(IppStatus, ippsECCPPublicKey, (const IppsBigNumState* pPrivate,
                                      IppsECCPPointState* pPublic,
                                      IppsECCPState* pECC))
{
   /* test pECC */
   IPP_BAD_PTR1_RET(pECC);
   /* use aligned EC context */
   pECC = (IppsECCPState*)( IPP_ALIGNED_PTR(pECC, ALIGN_VAL) );
   /* test ID */
   IPP_BADARG_RET(!ECP_VALID_ID(pECC), ippStsContextMatchErr);

   /* test public key */
   IPP_BAD_PTR1_RET(pPublic);
   pPublic = (IppsECCPPointState*)( IPP_ALIGNED_PTR(pPublic, ALIGN_VAL) );
   IPP_BADARG_RET(!ECP_POINT_VALID_ID(pPublic), ippStsContextMatchErr);

   /* test private keys */
   IPP_BAD_PTR1_RET(pPrivate);
   pPrivate = (IppsBigNumState*)( IPP_ALIGNED_PTR(pPrivate, ALIGN_VAL) );
   IPP_BADARG_RET(!BN_VALID_ID(pPrivate), ippStsContextMatchErr);
   IPP_BADARG_RET(!((0<cpBN_tst(pPrivate)) && (0>cpBN_cmp(pPrivate, ECP_ORDER(pECC))) ), ippStsIvalidPrivateKey);

   /* calculates public key */
   //ECP_METHOD(pECC)->MulPoint(ECP_GENC(pECC), pPrivate, pPublic, pECC, ECP_BNCTX(pECC));
   ECP_METHOD(pECC)->MulBasePoint(pPrivate, pPublic, pECC, ECP_BNCTX(pECC));

   return ippStsNoErr;
}

Exemple #2

Fichier : pcpbnsetca.c Projet : 0-T-0/linux-sgx

//
//    ippStsNoErr                no errors
//
// Parameters:
//    pOctStr     pointer to the source octet string
//    strLen      octet string length
//    pBN         pointer to the target BN
//
*F*/
IPPFUN(IppStatus, ippsSetOctString_BN,(const Ipp8u* pOctStr, cpSize strLen,
                                       IppsBigNumState* pBN))
{
   IPP_BAD_PTR2_RET(pOctStr, pBN);

   pBN = (IppsBigNumState*)( IPP_ALIGNED_PTR(pBN, BN_ALIGNMENT) );
   IPP_BADARG_RET(!BN_VALID_ID(pBN), ippStsContextMatchErr);

   IPP_BADARG_RET((0>strLen), ippStsLengthErr);

   /* remove leading zeros */
   while(strLen && (0==pOctStr[0])) {
      strLen--;
      pOctStr++;
   }

   /* test BN size */
   IPP_BADARG_RET((int)(sizeof(BNU_CHUNK_T)*BN_ROOM(pBN))<strLen, ippStsSizeErr);
   if(strLen)
      BN_SIZE(pBN) = cpFromOctStr_BNU(BN_NUMBER(pBN), pOctStr, strLen);
   else {
      BN_NUMBER(pBN)[0] = (BNU_CHUNK_T)0;