Java SHA1 sha1Hash(String tohash)

Description

sha Hash

License

Apache License

Declaration

public static String sha1Hash(String tohash) throws UnsupportedEncodingException, NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
/*/*www  .  j a  va 2 s  .co m*/
 * Licensed to the Sakai Foundation (SF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The SF licenses this file
 * to you under the Apache 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.apache.org/licenses/LICENSE-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.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    private static final char[] TOHEX = "0123456789abcdef".toCharArray();

    public static String sha1Hash(String tohash) throws UnsupportedEncodingException, NoSuchAlgorithmException {
        byte[] b = tohash.getBytes("UTF-8");
        MessageDigest sha1 = MessageDigest.getInstance("SHA");
        b = sha1.digest(b);
        return byteToHex(b);
    }

    public static String byteToHex(byte[] base) {
        char[] c = new char[base.length * 2];
        int i = 0;

        for (byte b : base) {
            int j = b;
            j = j + 128;
            c[i++] = TOHEX[j / 0x10];
            c[i++] = TOHEX[j % 0x10];
        }
        return new String(c);
    }
}

Related

1. sha1hash(String key)
2. sha1Hash(String s)
3. sha1Hash(String source)
4. sha1Hash(String text)
5. sha1Hash(String toHash)
6. sha1HashHex(String data)
7. sha1HashInt(String text)
8. sha1Hex(byte[] bytes)
9. sha1Hex(String data)