Java SHA1 sha1(String src)

Description

sha

License

Open Source License

Declaration

public static String sha1(String src) 

Method Source Code

//package com.java2s;
/* Copyright (c) 2010 Imajie project owners (see http://www.imajie.org)
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version./*from  w  w w. j a  v  a 2  s. co m*/
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    private static final String HEX_DIGITS = "0123456789abcdef";

    public static String sha1(String src) {
        MessageDigest md1 = null;
        try {
            md1 = MessageDigest.getInstance("SHA-1");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        try {
            md1.update(src.getBytes("UTF-8"));

        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return hex(md1.digest());
    }

    private static String hex(byte[] bytes) {
        StringBuffer sb = new StringBuffer(bytes.length * 2);
        for (int i = 0; i < bytes.length; i++) {
            int b = bytes[i] & 0xFF;
            sb.append(HEX_DIGITS.charAt(b >>> 4)).append(HEX_DIGITS.charAt(b & 0xF));
        }
        return sb.toString();
    }
}

Related

1. sha1(String s)
2. sha1(String s)
3. sha1(String s)
4. sha1(String src)
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7. SHA1(String str)
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