信息计算2019级1班26号陈宇扬

1班27号陈宇扬 · 发表于 2022-4-5 16:10:33

4.5：

1班27号陈宇扬 · 发表于 2022-4-5 18:55:05

using System;
using System.Security.Cryptography;
using System.Text;
using Word = Microsoft.Office.Interop.Word;
namespace AES
{
class Program
{
static void Main(string[] args)
{
Word.Application app = new Microsoft.Office.Interop.Word.Application();
Word.Document doc = null;
object unknow = Type.Missing;
app.Visible = true;
string s = @"C:\Users\Desktop\MMX.docx";
object file = s;
doc = app.Documents.Open(ref file,
ref unknow, ref unknow, ref unknow, ref unknow,
ref unknow, ref unknow, ref unknow, ref unknow,
ref unknow, ref unknow, ref unknow, ref unknow,
ref unknow, ref unknow, ref unknow);
string m = doc.Paragraphs[1].Range.Text.Trim();
string key = "abcdefghijklmnopqrstuvwxyzabcdef";
string a1 = Program.AesEncryptor_Base64(m, key);
Console.WriteLine("加密得：" + a1);
string a2 = Program.AesDecryptor_Base64(a1, key);
Console.WriteLine("解密得：" + a2);
}
/// <summary>
/// AES 算法加密(ECB模式) 将明文加密，加密后进行base64编码，返回密文
/// </summary>
/// <param name="EncryptStr">明文</param>
/// <param name="Key">密钥</param>
/// <returns>加密后base64编码的密文</returns>
public static string AesEncryptor_Base64(string EncryptStr, string Key)
{
try
{
//byte[] keyArray = Encoding.UTF8.GetBytes(Key);
byte[] keyArray = Convert.FromBase64String(Key);
byte[] toEncryptArray = Encoding.UTF8.GetBytes(EncryptStr);
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateEncryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
return Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
catch (Exception ex)
{
return null;
}
}
/// <summary>
/// AES 算法解密(ECB模式) 将密文base64解码进行解密，返回明文
/// </summary>
/// <param name="DecryptStr">密文</param>
/// <param name="Key">密钥</param>
/// <returns>明文</returns>
public static string AesDecryptor_Base64(string DecryptStr, string Key)
{
try
{
//byte[] keyArray = Encoding.UTF8.GetBytes(Key);
byte[] keyArray = Convert.FromBase64String(Key);
byte[] toEncryptArray = Convert.FromBase64String(DecryptStr);
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
return Encoding.UTF8.GetString(resultArray);// UTF8Encoding.UTF8.GetString(resultArray);
}
catch (Exception ex)
{
return null;
}
}
}
}

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信息计算2019级1班26号陈宇扬

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