C#基于ROT13Encode实现对字符串加密解密例子代码是小编为大家分享的一个C# 基于ROT13Encode对字符串加密解密实例,对字符串加密时,可以考虑这一个稳定又简单的加密算法,有兴趣的朋友别错过了,一块来详细了解下吧:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace ROT13Encrypt { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { textBox2.Text= ROT13Encode(textBox1.Text); } public string ROT13Encode(string InputText) { char tem_Character; int UnicodeChar; string EncodedText = ""; for (int i = 0; i < InputText.Length; i++)//遍历字符串中的所有字符 { tem_Character = System.Convert.ToChar(InputText.Substring(i, 1));//获取字符串中指定的字符 UnicodeChar = (int)tem_Character;//获取当前字符的Unicode编码 if (UnicodeChar >= 97 && UnicodeChar <= 109)//对字符进行加密 { UnicodeChar = UnicodeChar + 13; } else if (UnicodeChar >= 110 && UnicodeChar <= 122)//对字符进行解密 { UnicodeChar = UnicodeChar - 13; } else if (UnicodeChar >= 65 && UnicodeChar <= 77)//对字符进行加密 { UnicodeChar = UnicodeChar + 13; } else if (UnicodeChar >= 78 && UnicodeChar <= 90)//对字符进行解密 { UnicodeChar = UnicodeChar - 13; } EncodedText = EncodedText + (char)UnicodeChar;//返回设置后的字符 } return EncodedText; } private void button2_Click(object sender, EventArgs e) { textBox2.Text = ROT13Encode(textBox2.Text); } } }