PEM_read_RSAPrivateKey
LCRYPTO_USED(PEM_read_RSAPrivateKey);
LCRYPTO_ALIAS(PEM_read_RSAPrivateKey);
rsakey = PEM_read_RSAPrivateKey(keyfp, NULL, NULL, NULL);
rsakey = PEM_read_RSAPrivateKey(keyfp, NULL, NULL);