47 lines
1.5 KiB
C#
47 lines
1.5 KiB
C#
using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace IRaCIS.Core.Infrastructure
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{
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public class SymmetricEncryption
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{
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public static string Encrypt(string plainText, string key)
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{
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byte[] keyBytes = Encoding.UTF8.GetBytes(key);
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byte[] ivBytes = new byte[16]; // Initialization vector (IV)
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using (Aes aes = Aes.Create())
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{
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aes.Key = keyBytes;
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aes.IV = ivBytes;
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ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
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byte[] plainBytes = Encoding.UTF8.GetBytes(plainText);
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byte[] encryptedBytes = encryptor.TransformFinalBlock(plainBytes, 0, plainBytes.Length);
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return Convert.ToBase64String(encryptedBytes);
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}
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}
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public static string Decrypt(string cipherText, string key)
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{
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byte[] keyBytes = Encoding.UTF8.GetBytes(key);
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byte[] ivBytes = new byte[16]; // Initialization vector (IV)
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using (Aes aes = Aes.Create())
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{
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aes.Key = keyBytes;
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aes.IV = ivBytes;
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ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);
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byte[] cipherBytes = Convert.FromBase64String(cipherText);
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byte[] decryptedBytes = decryptor.TransformFinalBlock(cipherBytes, 0, cipherBytes.Length);
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return Encoding.UTF8.GetString(decryptedBytes);
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}
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}
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}
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}
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