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C#实现简单的RSA非对称加密算法示例
时间:2022-06-25 07:48:29 编辑:袖梨 来源:一聚教程网
界面控件
namespaceRSA算法 { partialclassForm1 { ////// 必需的设计器变量。 /// privateSystem.ComponentModel.IContainer components =null; ////// 清理所有正在使用的资源。 /// /// 如果应释放托管资源,为 true;否则为 false。 protectedoverridevoidDispose(booldisposing) { if(disposing && (components !=null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗体设计器生成的代码 ////// 设计器支持所需的方法 - 不要 /// 使用代码编辑器修改此方法的内容。 /// privatevoidInitializeComponent() { this.StrBox =newSystem.Windows.Forms.TextBox(); this.label1 =newSystem.Windows.Forms.Label(); this.PubKeyBox =newSystem.Windows.Forms.TextBox(); this.label2 =newSystem.Windows.Forms.Label(); this.PrvKeyBox =newSystem.Windows.Forms.TextBox(); this.label3 =newSystem.Windows.Forms.Label(); this.EncrypeBox =newSystem.Windows.Forms.TextBox(); this.label4 =newSystem.Windows.Forms.Label(); this.label5 =newSystem.Windows.Forms.Label(); this.Str2Box =newSystem.Windows.Forms.TextBox(); this.CrypeBtn =newSystem.Windows.Forms.Button(); this.SuspendLayout(); // // StrBox // this.StrBox.Location =newSystem.Drawing.Point(115, 12); this.StrBox.Name ="StrBox"; this.StrBox.Size =newSystem.Drawing.Size(258, 21); this.StrBox.TabIndex = 0; // // label1 // this.label1.AutoSize =true; this.label1.Location =newSystem.Drawing.Point(11, 18); this.label1.Name ="label1"; this.label1.Size =newSystem.Drawing.Size(77, 12); this.label1.TabIndex = 1; this.label1.Text ="加密前的明文"; // // PubKeyBox // this.PubKeyBox.Location =newSystem.Drawing.Point(115, 78); this.PubKeyBox.Multiline =true; this.PubKeyBox.Name ="PubKeyBox"; this.PubKeyBox.Size =newSystem.Drawing.Size(258, 74); this.PubKeyBox.TabIndex = 2; // // label2 // this.label2.AutoSize =true; this.label2.Location =newSystem.Drawing.Point(11, 87); this.label2.Name ="label2"; this.label2.Size =newSystem.Drawing.Size(29, 12); this.label2.TabIndex = 3; this.label2.Text ="公钥"; // // PrvKeyBox // this.PrvKeyBox.Location =newSystem.Drawing.Point(115, 158); this.PrvKeyBox.Multiline =true; this.PrvKeyBox.Name ="PrvKeyBox"; this.PrvKeyBox.Size =newSystem.Drawing.Size(258, 128); this.PrvKeyBox.TabIndex = 4; // // label3 // this.label3.AutoSize =true; this.label3.Location =newSystem.Drawing.Point(13, 167); this.label3.Name ="label3"; this.label3.Size =newSystem.Drawing.Size(101, 12); this.label3.TabIndex = 5; this.label3.Text ="密钥(包含私钥)"; // // EncrypeBox // this.EncrypeBox.Location =newSystem.Drawing.Point(115, 292); this.EncrypeBox.Name ="EncrypeBox"; this.EncrypeBox.Size =newSystem.Drawing.Size(258, 21); this.EncrypeBox.TabIndex = 6; // // label4 // this.label4.AutoSize =true; this.label4.Location =newSystem.Drawing.Point(14, 299); this.label4.Name ="label4"; this.label4.Size =newSystem.Drawing.Size(29, 12); this.label4.TabIndex = 7; this.label4.Text ="密文"; // // label5 // this.label5.AutoSize =true; this.label5.Location =newSystem.Drawing.Point(14, 329); this.label5.Name ="label5"; this.label5.Size =newSystem.Drawing.Size(77, 12); this.label5.TabIndex = 8; this.label5.Text ="解密后的明文"; // // Str2Box // this.Str2Box.Location =newSystem.Drawing.Point(115, 320); this.Str2Box.Name ="Str2Box"; this.Str2Box.Size =newSystem.Drawing.Size(258, 21); this.Str2Box.TabIndex = 9; // // CrypeBtn // this.CrypeBtn.Location =newSystem.Drawing.Point(117, 43); this.CrypeBtn.Name ="CrypeBtn"; this.CrypeBtn.Size =newSystem.Drawing.Size(104, 23); this.CrypeBtn.TabIndex = 10; this.CrypeBtn.Text ="执行加密解密"; this.CrypeBtn.UseVisualStyleBackColor =true; this.CrypeBtn.Click +=newSystem.EventHandler(this.CrypeBtn_Click); // // Form1 // this.AutoScaleDimensions =newSystem.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize =newSystem.Drawing.Size(385, 353); this.Controls.Add(this.CrypeBtn); this.Controls.Add(this.Str2Box); this.Controls.Add(this.label5); this.Controls.Add(this.label4); this.Controls.Add(this.EncrypeBox); this.Controls.Add(this.label3); this.Controls.Add(this.PrvKeyBox); this.Controls.Add(this.label2); this.Controls.Add(this.PubKeyBox); this.Controls.Add(this.label1); this.Controls.Add(this.StrBox); this.Name ="Form1"; this.Text ="RSA非对称加密解密"; this.ResumeLayout(false); this.PerformLayout(); } #endregion privateSystem.Windows.Forms.TextBox StrBox; privateSystem.Windows.Forms.Label label1; privateSystem.Windows.Forms.TextBox PubKeyBox; privateSystem.Windows.Forms.Label label2; privateSystem.Windows.Forms.TextBox PrvKeyBox; privateSystem.Windows.Forms.Label label3; privateSystem.Windows.Forms.TextBox EncrypeBox; privateSystem.Windows.Forms.Label label4; privateSystem.Windows.Forms.Label label5; privateSystem.Windows.Forms.TextBox Str2Box; privateSystem.Windows.Forms.Button CrypeBtn; } }
RSA代码
usingSystem; usingSystem.Collections.Generic; usingSystem.ComponentModel; usingSystem.Data; usingSystem.Drawing; usingSystem.Linq; usingSystem.Text; usingSystem.Windows.Forms; usingSystem.Security.Cryptography; namespaceRSA算法 { publicpartialclassForm1 : Form { publicForm1() { InitializeComponent(); } privatevoidCrypeBtn_Click(objectsender, EventArgs e) { //创建RSA加密算法服务提供者 RSACryptoServiceProvider RSA =newRSACryptoServiceProvider(); //显示公钥和私钥 PubKeyBox.Text = RSA.ToXmlString(false); PrvKeyBox.Text = RSA.ToXmlString(true); //执行加密 byte[] EncrypeBytes = RSA.Encrypt(Encoding.UTF8.GetBytes(StrBox.Text),true); EncrypeBox.Text = Encoding.UTF8.GetString(EncrypeBytes); //执行解密 byte[] DecrypeBytes = RSA.Decrypt(EncrypeBytes,true); Str2Box.Text = Encoding.UTF8.GetString(DecrypeBytes); } } }
运行效果:
PS:关于加密解密感兴趣的朋友还可以参考本站在线工具:
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