Lines Matching refs:x2
75 /* Compute the x-coordinate x1/z1 for the point (x1/z1)+(x2/x2) in
80 gf2m_Madd(const mp_int *x, mp_int *x1, mp_int *z1, mp_int *x2, mp_int *z2,
93 MP_CHECKOK(group->meth->field_mul(z1, x2, z1, group->meth));
106 /* Compute the x, y affine coordinates from the point (x1, z1) (x2, z2)
113 mp_int *x2, mp_int *z2, const ECGroup *group)
122 MP_CHECKOK(mp_init(&t3, FLAG(x2)));
123 MP_CHECKOK(mp_init(&t4, FLAG(x2)));
124 MP_CHECKOK(mp_init(&t5, FLAG(x2)));
127 mp_zero(x2);
134 MP_CHECKOK(mp_copy(x, x2));
151 MP_CHECKOK(group->meth->field_add(z2, x2, z2, group->meth));
162 MP_CHECKOK(group->meth->field_mul(x1, &t3, x2, group->meth));
163 MP_CHECKOK(group->meth->field_add(x2, x, z2, group->meth));
190 mp_int x1, x2, z1, z2;
195 MP_DIGITS(&x2) = 0;
199 MP_CHECKOK(mp_init(&x2, FLAG(n)));
214 MP_CHECKOK(group->meth->field_sqr(&z2, &x2, group->meth));
215 MP_CHECKOK(group->meth->field_add(&x2, &group->curveb, &x2, group->meth)); /* x2
245 MP_CHECKOK(gf2m_Madd(px, &x1, &z1, &x2, &z2, group, FLAG(n)));
246 MP_CHECKOK(gf2m_Mdouble(&x2, &z2, group, FLAG(n)));
248 MP_CHECKOK(gf2m_Madd(px, &x2, &z2, &x1, &z1, group, FLAG(n)));
258 i = gf2m_Mxy(px, py, &x1, &z1, &x2, &z2, group);
265 MP_CHECKOK(mp_copy(&x2, rx));
271 mp_clear(&x2);