DSA_set0_pqg
int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
if (DSA_set0_pqg(sslDSAKey, p, q, g) == 0) {
if (DSA_set0_pqg(dsa, p, q, g) == 0)