Java BigInteger Calculate createUnsignedBigInteger(byte[] data)

Here you can find the source of createUnsignedBigInteger(byte[] data)

Description

create Unsigned Big Integer

License

EUPL

Declaration

public static BigInteger createUnsignedBigInteger(byte[] data) 

Method Source Code

//package com.java2s;
/*/*from  w  w w  . j  a v a2  s  .  c o m*/
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria 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.
 */

import java.math.BigInteger;

public class Main {
    public static BigInteger createUnsignedBigInteger(byte[] data) {

        byte[] unsigned = new byte[data.length + 1];
        unsigned[0] = (byte) 0x00;
        System.arraycopy(data, 0, unsigned, 1, data.length);

        return new BigInteger(unsigned);
    }
}

Related

  1. clip(BigInteger bi, int numberOfBytes)
  2. clone(BigInteger[] data)
  3. copy_into_byte_array(BigInteger bi, byte[] a)
  4. copyOf(BigInteger[] data, int newLength)
  5. copyOfRange(BigInteger[] data, int from, int to)
  6. createUUID(int version, String gtin, BigInteger phar)
  7. cryptRSA(byte[] data, BigInteger exponent, BigInteger modulus)
  8. decodeBigInteger(String value)
  9. decodeBitListFromBigInteger(BigInteger bits)