diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java')
-rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java new file mode 100644 index 000000000..d006dcdfc --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java @@ -0,0 +1,55 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ + + +package at.gv.egovernment.moa.id.util; + +import java.nio.ByteBuffer; +import java.security.SecureRandom; + +/** + * Random number generator used to generate ID's + * @author Paul Ivancsics + * @version $Id$ + */ +public class Random { + + /** random number generator used */ + private static SecureRandom random = new SecureRandom(); + /** + * Creates a new random number, to be used as an ID. + * + * @return random long as a String + */ + public static String nextRandom() { + + byte[] b = new byte[16]; // 16 bytes = 128 bits + random.nextBytes(b); + + + ByteBuffer bb = ByteBuffer.wrap(b); + long l = bb.getLong(); + + return "" + l; + } +} |