crypto/ecc/ec2_mont.c

70 	MP_CHECKOK(group->meth->field_sqr(x, x, group->meth));
71 	MP_CHECKOK(group->meth->field_sqr(z, &t1, group->meth));
72 	MP_CHECKOK(group->meth->field_mul(x, &t1, z, group->meth));
73 	MP_CHECKOK(group->meth->field_sqr(x, x, group->meth));
74 	MP_CHECKOK(group->meth->field_sqr(&t1, &t1, group->meth));
75 	MP_CHECKOK(group->meth->
76 			   field_mul(&group->curveb, &t1, &t1, group->meth));
77 	MP_CHECKOK(group->meth->field_add(x, &t1, x, group->meth));
101 	MP_CHECKOK(group->meth->field_mul(x1, z2, x1, group->meth));
102 	MP_CHECKOK(group->meth->field_mul(z1, x2, z1, group->meth));
103 	MP_CHECKOK(group->meth->field_mul(x1, z1, &t2, group->meth));
104 	MP_CHECKOK(group->meth->field_add(z1, x1, z1, group->meth));
105 	MP_CHECKOK(group->meth->field_sqr(z1, z1, group->meth));
106 	MP_CHECKOK(group->meth->field_mul(z1, &t1, x1, group->meth));
107 	MP_CHECKOK(group->meth->field_add(x1, &t2, x1, group->meth));
144 		MP_CHECKOK(group->meth->field_add(x, y, z2, group->meth));
150 	if (group->meth->field_enc) {
151 		MP_CHECKOK(group->meth->field_enc(&t5, &t5, group->meth));
154 	MP_CHECKOK(group->meth->field_mul(z1, z2, &t3, group->meth));
156 	MP_CHECKOK(group->meth->field_mul(z1, x, z1, group->meth));
157 	MP_CHECKOK(group->meth->field_add(z1, x1, z1, group->meth));
158 	MP_CHECKOK(group->meth->field_mul(z2, x, z2, group->meth));
159 	MP_CHECKOK(group->meth->field_mul(z2, x1, x1, group->meth));
160 	MP_CHECKOK(group->meth->field_add(z2, x2, z2, group->meth));
162 	MP_CHECKOK(group->meth->field_mul(z2, z1, z2, group->meth));
163 	MP_CHECKOK(group->meth->field_sqr(x, &t4, group->meth));
164 	MP_CHECKOK(group->meth->field_add(&t4, y, &t4, group->meth));
165 	MP_CHECKOK(group->meth->field_mul(&t4, &t3, &t4, group->meth));
166 	MP_CHECKOK(group->meth->field_add(&t4, z2, &t4, group->meth));
168 	MP_CHECKOK(group->meth->field_mul(&t3, x, &t3, group->meth));
169 	MP_CHECKOK(group->meth->field_div(&t5, &t3, &t3, group->meth));
170 	MP_CHECKOK(group->meth->field_mul(&t3, &t4, &t4, group->meth));
171 	MP_CHECKOK(group->meth->field_mul(x1, &t3, x2, group->meth));
172 	MP_CHECKOK(group->meth->field_add(x2, x, z2, group->meth));
174 	MP_CHECKOK(group->meth->field_mul(z2, &t4, z2, group->meth));
175 	MP_CHECKOK(group->meth->field_add(z2, y, z2, group->meth));
220 	MP_CHECKOK(group->meth->field_sqr(&x1, &z2, group->meth));	/* z2 =
223 	MP_CHECKOK(group->meth->field_sqr(&z2, &x2, group->meth));
224 	MP_CHECKOK(group->meth->field_add(&x2, &group->curveb, &x2, group->meth));	/* x2