C编写的MD5AES等算法的加密解密

郑州轻工业学院本科实验报告设计题目：数据加密解密学生姓名：李镇宇系别：计算机与通信工程学院专业：网络运维与安全班级：13-01学号：541307110121指导教师：吉星、程立辉2016年4月12日目录1目的.....................................................................................................................................32实验内容.......................................................................................................................33实验步骤.......................................................................................................................43.1Form窗体...............................................................................................................43.2AES窗体.................................................................................................................73.3DES窗体................................................................................................................83.4MD5窗体.............................................................................................................103.5RC2窗体...............................................................................................................113.6RSA窗体..............................................................................................................133.7TripleDES窗体..............................................................................................154实验结果.....................................................................................................................174.1MD5加密、及其异常措施...................................................................174.2DES加密解密、及其异常措施........................................................184.3TripleDES加密解密、及其异常措施.........................................204.4RC2加密解密、及其异常措施........................................................224.5AES加密解密、及其异常措施........................................................244.6RSA加密解密、及其异常措施.......................................................261目的数据加密技术是网络中最基本的安全技术，主要是通过对网络中传输的信息进行数据加密来保障其安全性，这是一种主动安全防御策略，用很小的代价即可为信息提供相当大的安全保护。2实验内容系统基本功能描述如下：1、实现DES算法加密与解密功能。2、实现TripleDES算法加密与解密功能。3、实现MD5算法加密功能。4、实现RC2算法加密与解密功能。5、实现TripleDES算法加密与解密功能。6、实现RSA算法加密与解密功能。3实验步骤3.1Form窗体六个菜单栏：MD5加密，DES加密解密，TripleDES加密解密，RC2加密解密，AES加密解密，RSA加密解密，分别对应相应的算法。代码：usingSystem.Text;usingSystem.Windows.Forms;usingSystem.IO;usingSystem.Security.Cryptography;namespace_21_Li{publicpartialclass数据加密解密:Form{public数据加密解密(){InitializeComponent();}privatevoiddES加密ToolStripMenuItem_Click(objectsender,EventArgse){DESdes=newDES();des.MdiParent=this;des.Show();}privatevoidrSA加密解密ToolStripMenuItem_Click(objectsender,EventArgse){RSArsa=newRSA();rsa.MdiParent=this;rsa.Show();}privatevoidmD5加密ToolStripMenuItem_Click(objectsender,EventArgse){MD5md5=newMD5();md5.MdiParent=this;md5.Show();}privatevoidtripleDES加密解密ToolStripMenuItem_Click(objectsender,EventArgse){TripleDEStripdes=newTripleDES();tripdes.MdiParent=this;tripdes.Show();}privatevoidrC2加密解密ToolStripMenuItem_Click(objectsender,EventArgse){RC2rc2=newRC2();rc2.MdiParent=this;rc2.Show();}privatevoidaES加密解密ToolStripMenuItem_Click(objectsender,EventArgse){AESaes=newAES();aes.MdiParent=this;aes.Show();}}}3.2AES窗体控件：四个Lable，四个Textbox，两个Button关键代码：privatevoidbutton1_Click(objectsender,EventArgse){try{textBox3.Text=Security.AESEncrypt(textBox1.Text,textBox2.Text);}catch(Exceptionex){MessageBox.Show(ex.Message);}}privatevoidbutton2_Click(objectsender,EventArgse){try{textBox4.Text=Security.AESDecrypt(textBox3.Text,textBox2.Text);}catch(Exceptionex){MessageBox.Show(ex.Message);}}3.3DES窗体控件：四个Lable，四个Textbox，两个Button关键代码：privatevoidbutton1_Click(objectsender,EventArgse)//加密{try{keyDES=textBox2.Text;encryptedData=textBox1.Text;//明文textBox3.Text=Security.DESEncrypt(encryptedData,keyDES);}catch(Exceptionex){MessageBox.Show(ex.Message);}}privatevoidbutton2_Click(objectsender,EventArgse)//解密{try{keyDES=textBox2.Text;decryptedData=textBox3.Text;textBox4.Text=Security.DESDecrypt(decryptedData,keyDES);}catch(Exceptionex){MessageBox.Show(ex.Message);}}3.4MD5窗体控件：两个Lable，两个Textbox，一个Button关键代码：stringencryptedData;//明文,stringdecryptedData;//密文privatevoidbutton1_Click(objectsender,EventArgse){try{encryptedData=textBox1.Text;decryptedData=Security.MD5Encrypt(encryptedData);textBox2.Text=decryptedData;}catch(Exceptionex){MessageBox.Show(ex.Message);}}3.5RC2窗体控件：四个Lable，四个Textbox，两个Button关键代码：privatevoidbutton1_Click(objectsender,EventArgse)//加密{try{textBox3.Text=Security.RC2Encrypt(textBox1.Text,textBox2.Text);}catch(Exceptionex){MessageBox.Show(ex.Message);}}privatevoidbutton2_Click(objectsender,EventArgse)//解密{try{textBox4.Text=Security.RC2Decrypt(textBox3.Text,textBox2.Text);}catch(Exceptionex){MessageBox.Show(ex.Message);}}3.6RSA窗体控件：四个Lable，四个Textbox，三个Button关键代码：RSACryptoServiceProviderrsa;byte[]Data;byte[]encryptedData;//密文byte[]decryptedData;privatevoidbutton1_Click_1(objectsender,EventArgse){///产生RSA密钥rsa=newRSACryptoServiceProvider();textBox4.Text=rsa.ToXmlString(false);}privatevoidbutton2_Click_1(objectsender,EventArgse){//RSA加密try{Data=Encoding.UTF8.GetBytes(textBox1.Text);encryptedData=rsa.Encry