Java Digest digest(String token)

Here you can find the source of digest(String token)

Description

digest

License

Educational Community License

Declaration

public static String digest(String token)
            throws GeneralSecurityException, IOException 

Method Source Code

//package com.java2s;
/**********************************************************************************
 * $URL$//from   w ww .j  a va2  s .com
 * $Id$
 ***********************************************************************************
 *
 * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.opensource.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **********************************************************************************/

import java.io.IOException;

import java.security.GeneralSecurityException;
import java.security.MessageDigest;

public class Main {
    public static String digest(String token)
            throws GeneralSecurityException, IOException {
        MessageDigest sha1 = MessageDigest.getInstance("SHA1");
        return byteArrayToHexStr(sha1.digest(token.getBytes("UTF-8")));
    }

    private static String byteArrayToHexStr(byte[] data) {
        char[] chars = new char[data.length * 2];
        for (int i = 0; i < data.length; i++) {
            byte current = data[i];
            int hi = (current & 0xF0) >> 4;
            int lo = current & 0x0F;
            chars[2 * i] = (char) (hi < 10 ? ('0' + hi) : ('A' + hi - 10));
            chars[2 * i + 1] = (char) (lo < 10 ? ('0' + lo)
                    : ('A' + lo - 10));
        }
        return new String(chars);
    }
}

Related

  1. digest(String source, String algorythm)
  2. digest(String strSource)
  3. digest(String strSrc, String encName)
  4. digest(String text)
  5. digest(String text, String algorithm)
  6. digest(String type, byte[] bytes)
  7. digest(String uri)
  8. digest(String value, byte[] salt, int iterations)
  9. digest(String value, String algorithm)