PEM_write_bio_RSAPrivateKey
if (!PEM_write_bio_RSAPrivateKey(out, rsa, genrsa_config.enc,
i = PEM_write_bio_RSAPrivateKey(out, rsa,
if (PEM_write_bio_RSAPrivateKey(bp,
success = PEM_write_bio_RSAPrivateKey(bio, key->rsa,