114 		MP_CHECKOK(group->meth->field_sub(py, qy, &tempy, group->meth));  in ec_GFp_pt_add_aff()
115 		MP_CHECKOK(group->meth->field_sub(px, qx, &tempx, group->meth));  in ec_GFp_pt_add_aff()
116 		MP_CHECKOK(group->meth->  in ec_GFp_pt_add_aff()
117 				   field_div(&tempy, &tempx, &lambda, group->meth));  in ec_GFp_pt_add_aff()
127 		MP_CHECKOK(group->meth->field_sqr(qx, &tempx, group->meth));  in ec_GFp_pt_add_aff()
129 		if (group->meth->field_enc) {  in ec_GFp_pt_add_aff()
130 			MP_CHECKOK(group->meth->field_enc(&temp, &temp, group->meth));  in ec_GFp_pt_add_aff()
132 		MP_CHECKOK(group->meth->  in ec_GFp_pt_add_aff()
133 				   field_mul(&tempx, &temp, &tempx, group->meth));  in ec_GFp_pt_add_aff()
134 		MP_CHECKOK(group->meth->  in ec_GFp_pt_add_aff()
135 				   field_add(&tempx, &group->curvea, &tempx, group->meth));  in ec_GFp_pt_add_aff()
137 		if (group->meth->field_enc) {  in ec_GFp_pt_add_aff()
138 			MP_CHECKOK(group->meth->field_enc(&temp, &temp, group->meth));  in ec_GFp_pt_add_aff()
140 		MP_CHECKOK(group->meth->field_mul(qy, &temp, &tempy, group->meth));  in ec_GFp_pt_add_aff()
141 		MP_CHECKOK(group->meth->  in ec_GFp_pt_add_aff()
142 				   field_div(&tempx, &tempy, &lambda, group->meth));  in ec_GFp_pt_add_aff()
145 	MP_CHECKOK(group->meth->field_sqr(&lambda, &tempx, group->meth));  in ec_GFp_pt_add_aff()
146 	MP_CHECKOK(group->meth->field_sub(&tempx, px, &tempx, group->meth));  in ec_GFp_pt_add_aff()
147 	MP_CHECKOK(group->meth->field_sub(&tempx, qx, &tempx, group->meth));  in ec_GFp_pt_add_aff()
149 	MP_CHECKOK(group->meth->field_sub(qx, &tempx, &tempy, group->meth));  in ec_GFp_pt_add_aff()
150 	MP_CHECKOK(group->meth->  in ec_GFp_pt_add_aff()
151 			   field_mul(&tempy, &lambda, &tempy, group->meth));  in ec_GFp_pt_add_aff()
152 	MP_CHECKOK(group->meth->field_sub(&tempy, qy, &tempy, group->meth));  in ec_GFp_pt_add_aff()
179 	MP_CHECKOK(group->meth->field_neg(qy, &nqy, group->meth));  in ec_GFp_pt_sub_aff()
236 		MP_CHECKOK(group->meth->field_neg(&qy, &qy, group->meth));  in ec_GFp_pt_mul_aff()
320 	if ((MP_SIGN(px) == MP_NEG) || (mp_cmp(px, &group->meth->irr) >= 0) ||  in ec_GFp_validate_point()
321 		(MP_SIGN(py) == MP_NEG) || (mp_cmp(py, &group->meth->irr) >= 0)) {  in ec_GFp_validate_point()
326 	if (group->meth->field_enc) {  in ec_GFp_validate_point()
327 		group->meth->field_enc(px, &pxt, group->meth);  in ec_GFp_validate_point()
328 		group->meth->field_enc(py, &pyt, group->meth);  in ec_GFp_validate_point()
334 	MP_CHECKOK( group->meth->field_sqr(&pyt, &accl, group->meth) );  in ec_GFp_validate_point()
336 	MP_CHECKOK( group->meth->field_sqr(&pxt, &tmp, group->meth) );  in ec_GFp_validate_point()
337 	MP_CHECKOK( group->meth->field_mul(&pxt, &tmp, &accr, group->meth) );  in ec_GFp_validate_point()
338 	MP_CHECKOK( group->meth->field_mul(&group->curvea, &pxt, &tmp, group->meth) );  in ec_GFp_validate_point()
339 	MP_CHECKOK( group->meth->field_add(&tmp, &accr, &accr, group->meth) );  in ec_GFp_validate_point()
340 	MP_CHECKOK( group->meth->field_add(&accr, &group->curveb, &accr, group->meth) );  in ec_GFp_validate_point()
342 	MP_CHECKOK( group->meth->field_sub(&accl, &accr, &accr, group->meth) );  in ec_GFp_validate_point()