578 	struct crypto_bignum *a, *u2, *t1, *t2, *z, *t, *zero, *one, *two, *three,  in sswu()  local
602 	t2 = crypto_bignum_init();  in sswu()
615 	if (!u2 || !t1 || !t2 || !z || !t || !zero || !one || !two || !three ||  in sswu()
631 	    crypto_bignum_sqrmod(t1, prime, t2) < 0 ||  in sswu()
632 	    crypto_bignum_addmod(t1, t2, prime, t1) < 0)  in sswu()
642 	if (crypto_bignum_sub(prime, two, t2) < 0 ||  in sswu()
643 	    crypto_bignum_exptmod(t1, t2, prime, t) < 0)  in sswu()
656 	    crypto_bignum_inverse(a, prime, t2) < 0 ||  in sswu()
657 	    crypto_bignum_mulmod(t1, t2, prime, t1) < 0 ||  in sswu()
658 	    crypto_bignum_addmod(one, t, prime, t2) < 0 ||  in sswu()
659 	    crypto_bignum_mulmod(t1, t2, prime, x1b) < 0)  in sswu()
675 	    crypto_bignum_mulmod(a, x1, prime, t2) < 0 ||  in sswu()
676 	    crypto_bignum_addmod(t1, t2, prime, t1) < 0 ||  in sswu()
689 	    crypto_bignum_mulmod(a, x2, prime, t2) < 0 ||  in sswu()
690 	    crypto_bignum_addmod(t1, t2, prime, t1) < 0 ||  in sswu()
754 	crypto_bignum_deinit(t2, 1);  in sswu()