Java SHA1 sha1(final String string)

Description

Get the sha1 hash of a string.

License

Open Source License

Parameter

Parameter	Description
string	String to hash

Return

sha1 hash of given string

Declaration

public static String sha1(final String string) 

Method Source Code

//package com.java2s;
/*// ww w  . ja  v a  2s. c om
 * Copyright (c) 2006-2017 DFBnc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    /**
     * Get the sha1 hash of a string.
     *
     * @param string String to hash
     * @return sha1 hash of given string
     */
    public static String sha1(final String string) {
        try {
            final MessageDigest m = MessageDigest.getInstance("SHA-1");
            m.update(string.getBytes(), 0, string.length());
            return new BigInteger(1, m.digest()).toString(16);
        } catch (NoSuchAlgorithmException e) {
            return "";
        }
    }

    /**
     * Get the sha1 hash of a byte array.
     *
     * @param input Byte Array to hash
     * @return sha1 hash of given string
     */
    public static String sha1(final byte[] input) {
        try {
            final MessageDigest m = MessageDigest.getInstance("SHA-1");
            m.update(input);
            return new BigInteger(1, m.digest()).toString(16);
        } catch (NoSuchAlgorithmException e) {
            return "";
        }
    }
}

Related

1. sha1(File sourceFile)
2. sha1(final byte[] bytes)
3. sha1(final File file)
4. sha1(final String data)
5. sha1(final String str)
6. SHA1(final String text)
7. sha1(final String text)
8. sha1(final String todigest)
9. SHA1(InputStream in)