typedef enum gnutls_pkcs_encrypt_flags {
	GNUTLS_PKCS_PLAIN=1,  /* if set the private key will not
			        * be encrypted.
				*/
	GNUTLS_PKCS_USE_PKCS12_3DES=2,
	GNUTLS_PKCS_USE_PKCS12_ARCFOUR=4,
	GNUTLS_PKCS_USE_PKCS12_RC2_40=8,
	GNUTLS_PKCS_USE_PBES2_3DES=16
} gnutls_pkcs_encrypt_flags;

int gnutls_x509_privkey_import(gnutls_x509_privkey key, const gnutls_datum * data,
	gnutls_x509_crt_fmt format);
ASN1_TYPE _gnutls_privkey_decode_pkcs1_rsa_key( const gnutls_datum *raw_key,
        gnutls_x509_privkey pkey);
int gnutls_x509_privkey_cpy(gnutls_x509_privkey dst, gnutls_x509_privkey src);