Lines Matching refs:z2
391 gf x1, x2, z2, x3, z3, t1, t2; in ossl_x448_int() local
398 gf_copy(z2, ZERO); in ossl_x448_int()
417 gf_cond_swap(z2, z3, swap); in ossl_x448_int()
425 gf_add_nr(t1, x2, z2); /* A = x2 + z2 */ /* 2+e */ in ossl_x448_int()
426 gf_sub_nr(t2, x2, z2); /* B = x2 - z2 */ /* 3+e */ in ossl_x448_int()
427 gf_sub_nr(z2, x3, z3); /* D = x3 - z3 */ /* 3+e */ in ossl_x448_int()
428 ossl_gf_mul(x2, t1, z2); /* DA */ in ossl_x448_int()
429 gf_add_nr(z2, z3, x3); /* C = x3 + z3 */ /* 2+e */ in ossl_x448_int()
430 ossl_gf_mul(x3, t2, z2); /* CB */ in ossl_x448_int()
432 ossl_gf_sqr(z2, z3); /* (DA-CB)^2 */ in ossl_x448_int()
433 ossl_gf_mul(z3, x1, z2); /* z3 = x1(DA-CB)^2 */ in ossl_x448_int()
434 gf_add_nr(z2, x2, x3); /* (DA+CB) */ /* 2+e */ in ossl_x448_int()
435 ossl_gf_sqr(x3, z2); /* x3 = (DA+CB)^2 */ in ossl_x448_int()
437 ossl_gf_sqr(z2, t1); /* AA = A^2 */ in ossl_x448_int()
439 ossl_gf_mul(x2, z2, t1); /* x2 = AA*BB */ in ossl_x448_int()
440 gf_sub_nr(t2, z2, t1); /* E = AA-BB */ /* 3+e */ in ossl_x448_int()
443 gf_add_nr(t1, t1, z2); /* AA + a24*E */ /* 2+e */ in ossl_x448_int()
444 ossl_gf_mul(z2, t2, t1); /* z2 = E(AA+a24*E) */ in ossl_x448_int()
449 gf_cond_swap(z2, z3, swap); in ossl_x448_int()
450 gf_invert(z2, z2, 0); in ossl_x448_int()
451 ossl_gf_mul(x1, x2, z2); in ossl_x448_int()
457 OPENSSL_cleanse(z2, sizeof(z2)); in ossl_x448_int()