Java SHA1 sha1(String input)

Description

sha

License

Apache License

Declaration

public static String sha1(String input) 

Method Source Code

//package com.java2s;
/*//from  www.  ja va  2s .  co  m
 * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String sha1(String input) {
        StringBuilder stringBuilder = new StringBuilder();
        try {
            MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
            for (byte res : messageDigest.digest(input.getBytes())) {
                stringBuilder.append(Integer.toString((res & 0xff) + 0x100, 16).substring(1));
            }
        } catch (NoSuchAlgorithmException e) {
            throw new IllegalArgumentException("Hashing algorithms does not exist");
        }
        return stringBuilder.toString();
    }
}

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