DSA_PRIME_BUFSIZE
if ((err = big_init1(&p, DSA_PRIME_BUFSIZE, NULL, 0)) != BIG_OK) {
if ((err = big_init1(&g, DSA_PRIME_BUFSIZE, NULL, 0)) != BIG_OK) {
if ((err = big_init1(&y, DSA_PRIME_BUFSIZE, NULL, 0)) != BIG_OK) {