create Crc Hex - Java Security

Java examples for Security:CRC

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Description

create Crc Hex

Demo Code


//package com.java2s;

import java.util.zip.CRC32;
import java.util.zip.Checksum;

public class Main {
    public static void main(String[] argv) throws Exception {
        String value = "java2s.com";
        System.out.println(createCrc32Hex(value));
    }/*from w  ww .  j av  a  2  s . c om*/

    public static String createCrc32Hex(String value) {
        byte bytes[] = value.getBytes();
        Checksum checksumCreator = new CRC32();
        checksumCreator.update(bytes, 0, bytes.length);
        long checkSumValue = checksumCreator.getValue();
        return fixLength(Long.toHexString(checkSumValue));
    }

    private static String fixLength(String hexString) {
        while (hexString.length() != 8) {
            hexString = "0" + hexString;
        }
        return hexString;
    }
}

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