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40 
41 /*
42 //  Purpose:
43 //     Cryptography Primitive.
44 //     Internal Definitions and
45 //     Internal ng RSA methods
46 */
47 
48 #if !defined(_CP_NG_RSA_METHOD_H)
49 #define _CP_NG_RSA_METHOD_H
50 
51 #include "pcpngmontexpstuff.h"
52 
53 /*
54 // declaration of RSA exponentiation
55 */
56 typedef cpSize (*ngBufNum)(int modulusBits);
57 
58 typedef struct _gsMethod_RSA {
59    int loModulusBisize;       // application area (lowew
60    int hiModulusBisize;       // and upper)
61    ngBufNum  bufferNumFunc;   // pub operation buffer in BNU_CHUNK_T
62    ngMontExp expFun;          // exponentiation
63 } gsMethod_RSA;
64 
65 
66 /* GPR exponentiation */
67 #define       gsMethod_RSA_gpr_public  OWNAPI(gsMethod_RSA_gpr_public)
68 #define       gsMethod_RSA_gpr_private OWNAPI(gsMethod_RSA_gpr_private)
69 gsMethod_RSA* gsMethod_RSA_gpr_public(void);
70 gsMethod_RSA* gsMethod_RSA_gpr_private(void);
71 
72 
73 /* SSE2 exponentiation */
74 #if (_IPP>=_IPP_W7)
75 #define       gsMethod_RSA_sse2_public  OWNAPI(gsMethod_RSA_sse2_public)
76 #define       gsMethod_RSA_sse2_private OWNAPI(gsMethod_RSA_sse2_private)
77 gsMethod_RSA* gsMethod_RSA_sse2_public(void);
78 gsMethod_RSA* gsMethod_RSA_sse2_private(void);
79 #endif /* _IPP_W7 */
80 
81 /* AVX2 exponentiation */
82 #if (_IPP32E>=_IPP32E_L9)
83 #define       gsMethod_RSA_avx2_public  OWNAPI(gsMethod_RSA_avx2_public)
84 #define       gsMethod_RSA_avx2_private OWNAPI(gsMethod_RSA_avx2_private)
85 gsMethod_RSA* gsMethod_RSA_avx2_public(void);
86 gsMethod_RSA* gsMethod_RSA_avx2_private(void);
87 #endif /* _IPP32E_L9 */
88 
89 /* AVX512 exponentiation */
90 #if (_IPP32E>=_IPP32E_K0)
91 #define       gsMethod_RSA_avx512_public  OWNAPI(gsMethod_RSA_avx512_public)
92 #define       gsMethod_RSA_avx512_private OWNAPI(gsMethod_RSA_avx512_private)
93 gsMethod_RSA* gsMethod_RSA_avx512_public(void);
94 gsMethod_RSA* gsMethod_RSA_avx512_private(void);
95 #endif /* _IPP32E_K0 */
96 
97 #endif /* _CP_NG_RSA_METHOD_H */
98