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     40 
     41 /*
     42 //  Purpose:
     43 //     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
     44 //     Internal BNU32 arithmetic.
     45 //
     46 //  Contents:
     47 //     cpAdd_BNU32()
     48 //
     49 */
     50 
     51 #include "owncp.h"
     52 #include "pcpbnumisc.h"
     53 #include "pcpbnu32misc.h"
     54 #include "pcpbnu32arith.h"
     55 
     56 
     57 /*F*
     58 //    Name: cpSub_BNU32
     59 //
     60 // Purpose: addition BNU32.
     61 //
     62 // Returns:
     63 //    carry
     64 //
     65 // Parameters:
     66 //    pA    source
     67 //    pB    source
     68 //    ns    size
     69 //    pR    result
     70 //
     71 *F*/
     72 Ipp32u cpAdd_BNU32(Ipp32u* pR, const Ipp32u* pA, const Ipp32u* pB, cpSize ns)
     73 {
     74    Ipp32u carry = 0;
     75    cpSize i;
     76    for(i=0; i<ns; i++) {
     77       Ipp64u t = (Ipp64u)carry +pA[i] + pB[i];
     78       pR[i] = LODWORD(t);
     79       carry = HIDWORD(t);
     80    }
     81    return carry;
     82 }
     83