我目前需要一种使用AES-128对称加密算法,在C#中加密字符串并解密字节数组的方法。我找不到如何实现这一点,但也许我错过了什么。
我目前需要一种使用AES-128对称加密算法,在C#中加密字符串并解密字节数组的方法。我找不到如何实现这一点,但也许我错过了什么。
导入命名空间
using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;
static void Main(string[] args)
{
string value = "@arifansari300<3>";
string encryptedValue= EncryptDecrypt.Encrypt(value);
string decryptedValue = EncryptDecrypt.Decrypt(encryptedValue);
}
public static string Encrypt(string clearText)
{
string EncryptionKey = "MAKV2SPBNI99212";
byte[] clearBytes = Encoding.Unicode.GetBytes(clearText);
using (Aes encryptor = Aes.Create())
{
Rfc2898DeriveBytes pdb = new
Rfc2898DeriveBytes(EncryptionKey, new byte[]
{ 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
encryptor.Key = pdb.GetBytes(32);
encryptor.IV = pdb.GetBytes(16);
using (MemoryStream ms = new MemoryStream())
{
using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(clearBytes, 0, clearBytes.Length);
cs.Close();
}
clearText = Convert.ToBase64String(ms.ToArray());
}
}
return clearText;
}
public static string Decrypt(string cipherText)
{
string EncryptionKey = "MAKV2SPBNI99212";
byte[] cipherBytes = Convert.FromBase64String(cipherText);
using (Aes encryptor = Aes.Create())
{
Rfc2898DeriveBytes pdb = new
Rfc2898DeriveBytes(EncryptionKey, new byte[]
{ 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
encryptor.Key = pdb.GetBytes(32);
encryptor.IV = pdb.GetBytes(16);
using (MemoryStream ms = new MemoryStream())
{
using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateDecryptor(), CryptoStreamMode.Write))
{
cs.Write(cipherBytes, 0, cipherBytes.Length);
cs.Close();
}
cipherText = Encoding.Unicode.GetString(ms.ToArray());
}
}
return cipherText;
}