sk_BIGNUM_const_push(primes, RSA_get0_p(r));
sk_BIGNUM_const_push(primes, RSA_get0_q(r));
sk_BIGNUM_const_push(exps, RSA_get0_dmp1(r));
sk_BIGNUM_const_push(primes, RSA_get0_p(r));
sk_BIGNUM_const_push(primes, RSA_get0_q(r));
sk_BIGNUM_const_push(exps, RSA_get0_dmp1(r));