1 /********************************************************************************
2 *InternetCafe is a software solution that helps the management of Cybercafes
3 * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005.
4 * Copyright (C) 2006 Guido Angelo Ingenito
5
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 *******************************************************************************/
20 package base.jdbs.cryptography.asymmetric;
21
22 import java.io.File;
23
24 /***
25 * This interface offers facilities to sign and check the signature of files
26 * using asymmetric cryptography.
27 * @author Guido Angelo Ingenito
28 */
29 public interface IAsymmetricCipher {
30
31 /***
32 * This method offers a facility to sign files with asymmetric cryptography.
33 * @param input The input file to be signed against an asymmetric private key.
34 * @param output The output file signed against the asymmetric private key.
35 * @param privateKey The private asymmetric key to use in the signing process.
36 */
37 public void sign(File input, File output, base.jdbs.cryptography.asymmetric.PrivateKey privateKey);
38
39
40 /***
41 * This method offers a facility to check the signature of a file with asymmetric cryptography.
42 * @param signedFile The input file whose signature must be checked against an asymmetric public key.
43 * @param dataFile The input data file whose signature must be checked against an asymmetric public key.
44 * @param publicKey The public key to use in the check signature process.
45 * @return True if the input file is valid signed file against the public key, false otherwise.
46 */
47 public boolean checkSignature(File signedFile, File dataFile, base.jdbs.cryptography.asymmetric.PublicKey publicKey);
48 }