ext/ipp/sources/ippcp/pcpngrsamethod.h

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/*
//  Purpose:
//     Cryptography Primitive.
//     Internal Definitions and
//     Internal ng RSA methods
*/

#if !defined(_CP_NG_RSA_METHOD_H)
#define _CP_NG_RSA_METHOD_H

#include "pcpngmontexpstuff.h"

/*
// declaration of RSA exponentiation
*/
typedef cpSize (*ngBufNum)(int modulusBits);

typedef struct _gsMethod_RSA {
   int loModulusBisize;       // application area (lowew
   int hiModulusBisize;       // and upper)
   ngBufNum  bufferNumFunc;   // pub operation buffer in BNU_CHUNK_T
   ngMontExp expFun;          // exponentiation
} gsMethod_RSA;


/* GPR exponentiation */
#define       gsMethod_RSA_gpr_public  OWNAPI(gsMethod_RSA_gpr_public)
#define       gsMethod_RSA_gpr_private OWNAPI(gsMethod_RSA_gpr_private)
gsMethod_RSA* gsMethod_RSA_gpr_public(void);
gsMethod_RSA* gsMethod_RSA_gpr_private(void);


/* SSE2 exponentiation */
#if (_IPP>=_IPP_W7)
#define       gsMethod_RSA_sse2_public  OWNAPI(gsMethod_RSA_sse2_public)
#define       gsMethod_RSA_sse2_private OWNAPI(gsMethod_RSA_sse2_private)
gsMethod_RSA* gsMethod_RSA_sse2_public(void);
gsMethod_RSA* gsMethod_RSA_sse2_private(void);
#endif /* _IPP_W7 */

/* AVX2 exponentiation */
#if (_IPP32E>=_IPP32E_L9)
#define       gsMethod_RSA_avx2_public  OWNAPI(gsMethod_RSA_avx2_public)
#define       gsMethod_RSA_avx2_private OWNAPI(gsMethod_RSA_avx2_private)
gsMethod_RSA* gsMethod_RSA_avx2_public(void);
gsMethod_RSA* gsMethod_RSA_avx2_private(void);
#endif /* _IPP32E_L9 */

/* AVX512 exponentiation */
#if (_IPP32E>=_IPP32E_K0)
#define       gsMethod_RSA_avx512_public  OWNAPI(gsMethod_RSA_avx512_public)
#define       gsMethod_RSA_avx512_private OWNAPI(gsMethod_RSA_avx512_private)
gsMethod_RSA* gsMethod_RSA_avx512_public(void);
gsMethod_RSA* gsMethod_RSA_avx512_private(void);
#endif /* _IPP32E_K0 */

#endif /* _CP_NG_RSA_METHOD_H */