C#對文件進行加密解密源碼
阿新 • • 發佈:2019-04-10
ide toe flush decrypt file pro pre and provide 如下的代碼段是關於C#對文件進行加密解密的代碼,應該是對小夥伴們有些幫助。
using System;
using System.IO;
using System.Security.Cryptography;
public class Example19_9
{
public static void Main()
{
FileStream fsOut = File.Create(@"c:tempencrypted.txt"); TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider(); CryptoStream cs = new CryptoStream(fsOut, tdes.CreateEncryptor(), CryptoStreamMode.Write); StreamWriter sw = new StreamWriter(cs); sw.WriteLine("‘Twas brillig, and the slithy toves"); sw.WriteLine("Did gyre and gimble in the wabe."); sw.Flush(); sw.Close(); FileStream fsKeyOut = File.Create(@"c:\tempencrypted.key"); BinaryWriter bw = new BinaryWriter(fsKeyOut); bw.Write( tdes.Key ); bw.Write( tdes.IV ); bw.Flush(); bw.Close(); }
}
解密代碼如下
using System;
using System.IO;
using System.Security.Cryptography;
public class Example19_10
{
public static void Main()
{
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider(); FileStream fsKeyIn = File.OpenRead(@"c:tempencrypted.key"); BinaryReader br = new BinaryReader(fsKeyIn); tdes.Key = br.ReadBytes(24); tdes.IV = br.ReadBytes(8); FileStream fsIn = File.OpenRead(@"c:\temp\encrypted.txt"); CryptoStream cs = new CryptoStream(fsIn, tdes.CreateDecryptor(), CryptoStreamMode.Read); StreamReader sr = new StreamReader(cs); Console.WriteLine(sr.ReadToEnd()); sr.Close(); }
}
C#對文件進行加密解密源碼