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40
41 /*
42 // Purpose:
43 // Intel(R) Integrated Performance Primitives. Cryptography Primitives.
44 // Internal Unsigned arithmetic
45 //
46 // Contents:
47 // cpAddMulDgt_BNU()
48 //
49 */
50
51 #include "owncp.h"
52 #include "pcpbnuarith.h"
53 #include "pcpbnumisc.h"
54
55 /*F*
56 // Name: cpAddMulDgt_BNU
57 //
58 // Purpose: multiply-and-add BNU
59 //
60 // Returns:
61 // extension of result of multiply-and-add BigNum.
62 //
63 // Parameters:
64 // pA source BigNum A
65 // pR resultant BigNum
66 // ns size of BigNums
67 // val value to multiply
68 *F*/
69
70 #if defined(_USE_C_cpAddMulDgt_BNU_)
71 #pragma message ("C version of cpAddMulDgt_BNU: ON")
72 #else
73 #pragma message ("C version of cpAddMulDgt_BNU: OFF")
74 #endif
75
76 #if !((_IPP==_IPP_W7) || \
77 (_IPP==_IPP_T7) || \
78 (_IPP==_IPP_V8) || \
79 (_IPP==_IPP_P8) || \
80 (_IPP>=_IPP_G9) || \
81 (_IPP==_IPP_S8) || \
82 (_IPP32E==_IPP32E_M7) || \
83 (_IPP32E==_IPP32E_U8) || \
84 (_IPP32E==_IPP32E_Y8) || \
85 (_IPP32E>=_IPP32E_E9) || \
86 (_IPP32E==_IPP32E_N8)) || \
87 defined(_USE_C_cpAddMulDgt_BNU_)
cpAddMulDgt_BNU(BNU_CHUNK_T * pR,const BNU_CHUNK_T * pA,cpSize ns,BNU_CHUNK_T val)88 BNU_CHUNK_T cpAddMulDgt_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val)
89 {
90 BNU_CHUNK_T extension = 0;
91 cpSize i;
92 for(i=0; i<ns; i++) {
93 BNU_CHUNK_T rH, rL;
94
95 MUL_AB(rH, rL, pA[i], val);
96 ADD_ABC(extension, pR[i], pR[i], rL, extension);
97 extension += rH;
98 }
99 return extension;
100 }
101 #endif
102