這篇文章將為大家詳細(xì)講解有關(guān)如何在c#中使用加密類,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個(gè)參考,希望大家閱讀完這篇文章后對(duì)相關(guān)知識(shí)有一定的了解。

using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;
using System.Web;
namespace Encryption.App_Code
{
/// <summary>
/// 加密碼類
/// </summary>
public class Encryption
{
/// <summary>
/// 加密
/// </summary>
/// <param name="inputString"></param>
/// <returns></returns>
public static string DesEncrypt(string inputString)
{
return DesEncrypt(inputString, Key);
}
/// <summary>
/// 解密
/// </summary>
/// <param name="inputString"></param>
/// <returns></returns>
public static string DesDecrypt(string inputString)
{
return DesDecrypt(inputString, Key);
}
/// <summary>
/// 密匙
/// </summary>
private static string Key
{
get
{
return "hongye10";
}
}
/// <summary>
/// 加密字符串
/// 注意:密鑰必須為8位
/// </summary>
/// <param name="strText">字符串</param>
/// <param name="encryptKey">密鑰</param>
/// <param name="encryptKey">返回加密后的字符串</param>
public static string DesEncrypt(string inputString, string encryptKey)
{
byte[] byKey = null;
byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
try
{
byKey = System.Text.Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = Encoding.UTF8.GetBytes(inputString);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return Convert.ToBase64String(ms.ToArray());
}
catch (System.Exception error)
{
//return error.Message;
return null;
}
}
/// <summary>
/// 解密字符串
/// </summary>
/// <param name="this.inputString">加了密的字符串</param>
/// <param name="decryptKey">密鑰</param>
/// <param name="decryptKey">返回解密后的字符串</param>
public static string DesDecrypt(string inputString, string decryptKey)
{
byte[] byKey = null;
byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
byte[] inputByteArray = new Byte[inputString.Length];
try
{
byKey = System.Text.Encoding.UTF8.GetBytes(decryptKey.Substring(0, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
inputByteArray = Convert.FromBase64String(inputString);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding = new System.Text.UTF8Encoding();
return encoding.GetString(ms.ToArray());
}
catch (System.Exception error)
{
//return error.Message;
return null;
}
}
}
}關(guān)于如何在c#中使用加密類就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,可以學(xué)到更多知識(shí)。如果覺(jué)得文章不錯(cuò),可以把它分享出去讓更多的人看到。
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