92 	if (!group->meth->field_sqr(group, x, x, ctx)) goto err;  in gf2m_Mdouble()
93 	if (!group->meth->field_sqr(group, t1, z, ctx)) goto err;  in gf2m_Mdouble()
94 	if (!group->meth->field_mul(group, z, x, t1, ctx)) goto err;  in gf2m_Mdouble()
95 	if (!group->meth->field_sqr(group, x, x, ctx)) goto err;  in gf2m_Mdouble()
96 	if (!group->meth->field_sqr(group, t1, t1, ctx)) goto err;  in gf2m_Mdouble()
97 	if (!group->meth->field_mul(group, t1, &group->b, t1, ctx)) goto err;  in gf2m_Mdouble()
126 	if (!group->meth->field_mul(group, x1, x1, z2, ctx)) goto err;  in gf2m_Madd()
127 	if (!group->meth->field_mul(group, z1, z1, x2, ctx)) goto err;  in gf2m_Madd()
128 	if (!group->meth->field_mul(group, t2, x1, z1, ctx)) goto err;  in gf2m_Madd()
130 	if (!group->meth->field_sqr(group, z1, z1, ctx)) goto err;  in gf2m_Madd()
131 	if (!group->meth->field_mul(group, x1, z1, t1, ctx)) goto err;  in gf2m_Madd()
179 	if (!group->meth->field_mul(group, t3, z1, z2, ctx)) goto err;  in gf2m_Mxy()
181 	if (!group->meth->field_mul(group, z1, z1, x, ctx)) goto err;  in gf2m_Mxy()
183 	if (!group->meth->field_mul(group, z2, z2, x, ctx)) goto err;  in gf2m_Mxy()
184 	if (!group->meth->field_mul(group, x1, z2, x1, ctx)) goto err;  in gf2m_Mxy()
187 	if (!group->meth->field_mul(group, z2, z2, z1, ctx)) goto err;  in gf2m_Mxy()
188 	if (!group->meth->field_sqr(group, t4, x, ctx)) goto err;  in gf2m_Mxy()
190 	if (!group->meth->field_mul(group, t4, t4, t3, ctx)) goto err;  in gf2m_Mxy()
193 	if (!group->meth->field_mul(group, t3, t3, x, ctx)) goto err;  in gf2m_Mxy()
194 	if (!group->meth->field_div(group, t3, t5, t3, ctx)) goto err;  in gf2m_Mxy()
195 	if (!group->meth->field_mul(group, t4, t3, t4, ctx)) goto err;  in gf2m_Mxy()
196 	if (!group->meth->field_mul(group, x2, x1, t3, ctx)) goto err;  in gf2m_Mxy()
199 	if (!group->meth->field_mul(group, z2, z2, t4, ctx)) goto err;  in gf2m_Mxy()
249 	if (!group->meth->field_sqr(group, z2, x1, ctx)) goto err; /* z2 = x1^2 = x^2 */  in ec_GF2m_montgomery_point_multiply()
250 	if (!group->meth->field_sqr(group, x2, z2, ctx)) goto err;  in ec_GF2m_montgomery_point_multiply()
350 			if (!group->meth->invert(group, p, ctx)) goto err;  in ec_GF2m_simple_mul()
351 		if (!group->meth->add(group, acc, acc, p, ctx)) goto err;  in ec_GF2m_simple_mul()
358 			if (!group->meth->invert(group, p, ctx)) goto err;  in ec_GF2m_simple_mul()
359 		if (!group->meth->add(group, acc, acc, p, ctx)) goto err;  in ec_GF2m_simple_mul()