71       gsModEngine* pGFE = GFP_PMA(pGF);  in gfec_IsPointOnCurve()  local
73       mod_mul mulF = GFP_METHOD(pGFE)->mul;  in gfec_IsPointOnCurve()
74       mod_sqr sqrF = GFP_METHOD(pGFE)->sqr;  in gfec_IsPointOnCurve()
75       mod_sub subF = GFP_METHOD(pGFE)->sub;  in gfec_IsPointOnCurve()
81       BNU_CHUNK_T* pR = cpGFpGetPool(1, pGFE);  in gfec_IsPointOnCurve()
82       BNU_CHUNK_T* pT = cpGFpGetPool(1, pGFE);  in gfec_IsPointOnCurve()
84       sqrF(pR, pY, pGFE);       /* R = Y^2 */  in gfec_IsPointOnCurve()
85       sqrF(pT, pX, pGFE);       /* T = X^3 */  in gfec_IsPointOnCurve()
86       mulF(pT, pX, pT, pGFE);  in gfec_IsPointOnCurve()
87       subF(pR, pR, pT, pGFE);   /* R -= T */  in gfec_IsPointOnCurve()
90          mulF(pT, pX, ECP_A(pEC), pGFE);   /* T = A*X */  in gfec_IsPointOnCurve()
91          subF(pR, pR, pT, pGFE);               /* R -= T */  in gfec_IsPointOnCurve()
92          subF(pR, pR, ECP_B(pEC), pGFE);       /* R -= B */  in gfec_IsPointOnCurve()
95          BNU_CHUNK_T* pZ4 = cpGFpGetPool(1, pGFE);  in gfec_IsPointOnCurve()
96          BNU_CHUNK_T* pZ6 = cpGFpGetPool(1, pGFE);  in gfec_IsPointOnCurve()
98          sqrF(pZ6, pZ, pGFE);         /* Z^2 */  in gfec_IsPointOnCurve()
99          sqrF(pZ4, pZ6, pGFE);        /* Z^4 */  in gfec_IsPointOnCurve()
100          mulF(pZ6, pZ6, pZ4, pGFE);   /* Z^6 */  in gfec_IsPointOnCurve()
102          mulF(pZ4, pZ4, pX, pGFE);         /* X*(Z^4) */  in gfec_IsPointOnCurve()
103          mulF(pZ4, pZ4, ECP_A(pEC), pGFE); /* A*X*(Z^4) */  in gfec_IsPointOnCurve()
104          mulF(pZ6, pZ6, ECP_B(pEC), pGFE); /* B*(Z^4) */  in gfec_IsPointOnCurve()
106          subF(pR, pR, pZ4, pGFE);           /* R -= A*X*(Z^4) */  in gfec_IsPointOnCurve()
107          subF(pR, pR, pZ6, pGFE);           /* R -= B*(Z^6)   */  in gfec_IsPointOnCurve()
109          cpGFpReleasePool(2, pGFE);  in gfec_IsPointOnCurve()
112       isOnCurve = GFP_IS_ZERO(pR, GFP_FELEN(pGFE));  in gfec_IsPointOnCurve()
113       cpGFpReleasePool(2, pGFE);  in gfec_IsPointOnCurve()