org.faster.util.Encrypts.java Source code

Introduction

Here is the source code for org.faster.util.Encrypts.java

Source

/*
 * Copyright (c) 2013 @iSQWEN. All rights reserved.
 *
 * Licensed 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.
 */
package org.faster.util;

import org.apache.commons.codec.binary.Base64;

import java.security.MessageDigest;

/**
 * 
 *
 * @author sqwen
 */
public class Encrypts {

    private Encrypts() {
    }

    /**
     * ?
     *
     * @param algorithm ??
     * @param plainText 
     * @param salt ?
     * @return ?
     */
    public static final String encrypt(String algorithm, String plainText, String salt) {
        MessageDigest md;
        try {
            md = MessageDigest.getInstance(algorithm);
        } catch (Exception e) {
            throw Exceptions.unchecked(e);
        }

        md.reset();
        if (salt != null) {
            md.update(salt.getBytes());
        }
        byte[] unencodedText = plainText.getBytes();
        md.update(unencodedText);

        byte[] encodedText = md.digest();
        return Base64.encodeBase64URLSafeString(encodedText);
    }

    /**
     * ??
     *
     * @param algorithm ??
     * @param plainText 
     * @return ?
     */
    public static final String encrypt(String algorithm, String plainText) {
        return encrypt(plainText, algorithm, null);
    }

}