encyption wip

Bitvault/AesEncryptor.cs

@@ -0,0 +1,29 @@
+using System.Security.Cryptography;
+
+namespace Bitvault;
+
+public class AesEncryptor : IEncryptor
+{
+    public string Encrypt(string plainText, byte[] key)
+    {
+        const int IvSize = 16;
+
+        using var aes = Aes.Create();
+        aes.Key = key;
+        aes.GenerateIV();
+
+        byte[] iv = aes.IV;
+
+        using var memoryStream = new MemoryStream();
+        memoryStream.Write(iv, 0, IvSize); // Store IV at the start of the stream
+
+        using (var encryptor = aes.CreateEncryptor(aes.Key, aes.IV))
+        using (var cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
+        using (var streamWriter = new StreamWriter(cryptoStream))
+        {
+            streamWriter.Write(plainText);
+        }
+
+        return Convert.ToBase64String(memoryStream.ToArray()); // Return the encrypted data in base64
+    }
+}