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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 | 187 |
1 files changed, 0 insertions, 187 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 deleted file mode 100644 index 38c384c3a..000000000 --- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/Random.java +++ /dev/null @@ -1,187 +0,0 @@ -/******************************************************************************* - * Copyright 2014 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. - ******************************************************************************/ -/* - * 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; -import java.text.DateFormat; -import java.text.SimpleDateFormat; -import java.util.Date; - -import org.apache.commons.codec.binary.Hex; - -import com.google.common.primitives.Bytes; - -import iaik.security.random.SeedGenerator; - - -/** - * Random number generator used to generate ID's - * @author Paul Ivancsics - * @version $Id$ - */ -public class Random { - - - private final static char[] allowedPreFix = - {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z', - 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'}; - private static final DateFormat dateFormater = new SimpleDateFormat("yyyyddMM"); - - /** random number generator used */ - //private static SecureRandom random = new SecureRandom(); - private static SecureRandom random; - private static SeedGenerator seedgenerator; - - static { - random = iaik.security.random.SHA256FIPS186Random.getDefault(); - seedgenerator = iaik.security.random.AutoSeedGenerator.getDefault(); - - } - - /** - * Generate a unique process reference-value [160bit], which always starts with a letter - * <br> - * This unique ID consists of single letter, a 64bit date String[yyyyddMM], - * and a 88bit random value. - * - * @return 160bit ID, which is hex encoded - */ - public static String nextProcessReferenceValue() { - //pre-process all three parts of a unique reference value - String now = dateFormater.format(new Date()); //8 bytes = 64bit - byte[] randValue = nextByteRandom(11); - char preFix = allowedPreFix[Math.abs(random.nextInt() % allowedPreFix.length)]; - - //generate ID - String returnValue = preFix + new String(Hex.encodeHex(Bytes.concat(now.getBytes(), randValue))); // 20 bytes = 160 bits - if (returnValue.length() > 40) - return returnValue.substring(0, 40); - else - return returnValue; - - } - - - - /** - * Creates a new random number [256bit], and encode it as hex value. - * - * @return random hex encoded value [256bit] - */ - public static String nextHexRandom32() { - return new String(Hex.encodeHex(nextByteRandom(32))); // 32 bytes = 256 bits - - } - - /** - * Creates a new random number [128bit], and encode it as hex value. - * - * @return random hex encoded value [128bit] - */ - public static String nextHexRandom16() { - return new String(Hex.encodeHex(nextByteRandom(16))); // 16 bytes = 128 bits - - } - - /** - * Creates a new random number [64bit], to be used as an ID. - * - * @return random long as a String [64bit] - */ - public static String nextLongRandom() { - return "".concat(String.valueOf(Math.abs(generateLongRandom(32)))); // 32 bytes = 256 bits - - } - - /** - * Creates a new random number, to be used as an ID. - * - * @return random long as a String [64bit] - */ - @Deprecated - public static String nextRandom() { - long l = ByteBuffer.wrap(nextByteRandom(32)).getLong(); // 32 bytes = 256 bits - return "" + Math.abs(l); - - } - -/** - * Creates a new random byte[] - * - * @param size Size of random number in byte - * @return - */ -public static byte[] nextBytes(int size) { - return nextByteRandom(size); - -} - - public static void seedRandom() { - - if (seedgenerator.seedAvailable()) - random.setSeed(seedgenerator.getSeed()); - } - - private static long generateLongRandom(int size) { - return ByteBuffer.wrap(nextByteRandom(size)).getLong(); - } - - /** - * Generate a new random number - * - * @param size Size of random number in byte - * @return - */ - private static synchronized byte[] nextByteRandom(int size) { - byte[] b = new byte[size]; - random.nextBytes(b); - return b; - - } -} |