DES Decrypt - CSharp System.Security.Cryptography

CSharp examples for System.Security.Cryptography:DES

Description

DES Decrypt

Demo Code

/*//  ww  w .j a  va2 s.c om
 *  Copyright Beijing 58 Information Technology Co.,Ltd.
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF 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.
 */
using System.Collections.Generic;
using System.Security.Cryptography;
using System.Text;
using System.Linq;
using System.IO;
using System;

public class Main{
        public static string DESDecrypt(string data, string key)
        {
            DES des = new DESCryptoServiceProvider();
            des.Key = Encoding.UTF8.GetBytes(key);
            des.IV = Encoding.UTF8.GetBytes(key);
            byte[] bytes = Convert.FromBase64String(data);
            return Encoding.UTF8.GetString(des.CreateDecryptor().TransformFinalBlock(bytes, 0, bytes.Length));
        }
}

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