Lines Matching refs:pk
1500 struct ecc_point *pk;
1511 pk = ecc_alloc_point(ndigits);
1512 if (!pk) {
1517 ecc_point_mult(pk, &curve->g, priv, NULL, curve, ndigits);
1520 if (ecc_is_pubkey_valid_full(curve, pk)) {
1525 ecc_swap_digits(pk->x, public_key, ndigits);
1526 ecc_swap_digits(pk->y, &public_key[ndigits], ndigits);
1529 ecc_free_point(pk);
1537 struct ecc_point *pk)
1541 if (WARN_ON(pk->ndigits != curve->g.ndigits))
1545 if (ecc_point_is_zero(pk))
1549 if (vli_cmp(curve->p, pk->x, pk->ndigits) != 1)
1551 if (vli_cmp(curve->p, pk->y, pk->ndigits) != 1)
1555 vli_mod_square_fast(yy, pk->y, curve); /* y^2 */
1556 vli_mod_square_fast(xxx, pk->x, curve); /* x^2 */
1557 vli_mod_mult_fast(xxx, xxx, pk->x, curve); /* x^3 */
1558 vli_mod_mult_fast(w, curve->a, pk->x, curve); /* a·x */
1559 vli_mod_add(w, w, curve->b, curve->p, pk->ndigits); /* a·x + b */
1560 vli_mod_add(w, w, xxx, curve->p, pk->ndigits); /* x^3 + a·x + b */
1561 if (vli_cmp(yy, w, pk->ndigits) != 0) /* Equation */
1570 struct ecc_point *pk)
1575 int ret = ecc_is_pubkey_valid_partial(curve, pk);
1581 nQ = ecc_alloc_point(pk->ndigits);
1585 ecc_point_mult(nQ, pk, curve->n, NULL, curve, pk->ndigits);
1600 struct ecc_point *product, *pk;
1616 pk = ecc_alloc_point(ndigits);
1617 if (!pk) {
1622 ecc_swap_digits(public_key, pk->x, ndigits);
1623 ecc_swap_digits(&public_key[ndigits], pk->y, ndigits);
1624 ret = ecc_is_pubkey_valid_partial(curve, pk);
1636 ecc_point_mult(product, pk, priv, rand_z, curve, ndigits);
1650 ecc_free_point(pk);