115 static int gf2m_Madd(const EC_GROUP *group, const BIGNUM *x, BIGNUM *x1, BIGNUM *z1,   in gf2m_Madd()  argument
128 	if (!group->meth->field_mul(group, x1, x1, z2, ctx)) goto err;  in gf2m_Madd()
130 	if (!group->meth->field_mul(group, t2, x1, z1, ctx)) goto err;  in gf2m_Madd()
131 	if (!BN_GF2m_add(z1, z1, x1)) goto err;  in gf2m_Madd()
133 	if (!group->meth->field_mul(group, x1, z1, t1, ctx)) goto err;  in gf2m_Madd()
134 	if (!BN_GF2m_add(x1, x1, t2)) goto err;  in gf2m_Madd()
152 static int gf2m_Mxy(const EC_GROUP *group, const BIGNUM *x, const BIGNUM *y, BIGNUM *x1,   in gf2m_Mxy()  argument
184 	if (!BN_GF2m_add(z1, z1, x1)) goto err;  in gf2m_Mxy()
186 	if (!group->meth->field_mul(group, x1, z2, x1, ctx)) goto err;  in gf2m_Mxy()
198 	if (!group->meth->field_mul(group, x2, x1, t3, ctx)) goto err;  in gf2m_Mxy()
220 	BIGNUM *x1, *x2, *z1, *z2;  in ec_GF2m_montgomery_point_multiply()  local
242 	x1 = BN_CTX_get(ctx);  in ec_GF2m_montgomery_point_multiply()
249 	if (!BN_GF2m_mod_arr(x1, &point->X, group->poly)) goto err; /* x1 = x */  in ec_GF2m_montgomery_point_multiply()
251 	if (!group->meth->field_sqr(group, z2, x1, ctx)) goto err; /* z2 = x1^2 = x^2 */  in ec_GF2m_montgomery_point_multiply()
275 				if (!gf2m_Madd(group, &point->X, x1, z1, x2, z2, ctx)) goto err;  in ec_GF2m_montgomery_point_multiply()
280 				if (!gf2m_Madd(group, &point->X, x2, z2, x1, z1, ctx)) goto err;  in ec_GF2m_montgomery_point_multiply()
281 				if (!gf2m_Mdouble(group, x1, z1, ctx)) goto err;  in ec_GF2m_montgomery_point_multiply()
289 	i = gf2m_Mxy(group, &point->X, &point->Y, x1, z1, x2, z2, ctx);  in ec_GF2m_montgomery_point_multiply()