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40
41 /*
42 // Intel(R) Integrated Performance Primitives
43 // Cryptographic Primitives (ippcp)
44 //
45 // Contents:
46 // cpUnpackBigNumCtx()
47 //
48 //
49 */
50
51 #include "owndefs.h"
52 #include "owncp.h"
53 #include "pcpbn.h"
54 #include "pcptool.h"
55
56
57 /*F*
58 // Name: cpUnpackBigNumCtx
59 //
60 // Purpose: Deserialize bigNum context
61 //
62 // Parameters:
63 // pBN BigNum
64 // pBuffer buffer
65 *F*/
66
67
cpUnpackBigNumCtx(const Ipp8u * pBuffer,IppsBigNumState * pBN)68 void cpUnpackBigNumCtx(const Ipp8u* pBuffer, IppsBigNumState* pBN)
69 {
70 IppsBigNumState* pAlignedBuffer = (IppsBigNumState*)(IPP_ALIGNED_PTR((pBuffer), BN_ALIGNMENT));
71 CopyBlock(pBuffer, pBN, sizeof(IppsBigNumState));
72 BN_NUMBER(pBN) = (BNU_CHUNK_T*)((Ipp8u*)pBN + IPP_UINT_PTR(BN_NUMBER(pAlignedBuffer)));
73 BN_BUFFER(pBN) = (BNU_CHUNK_T*)((Ipp8u*)pBN + IPP_UINT_PTR(BN_BUFFER(pAlignedBuffer)));
74 CopyBlock((Ipp8u*)pAlignedBuffer+IPP_UINT_PTR(BN_NUMBER(pAlignedBuffer)), BN_NUMBER(pBN), BN_ROOM(pBN)*sizeof(BNU_CHUNK_T));
75 CopyBlock((Ipp8u*)pAlignedBuffer+IPP_UINT_PTR(BN_BUFFER(pAlignedBuffer)), BN_BUFFER(pBN), BN_ROOM(pBN)*sizeof(BNU_CHUNK_T));
76 }
77