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change aes mode to cfb in encrypt / decrypt in Security

Azaion.Services/Security.cs

@@ -19,10 +19,11 @@ public static class Security
         if (key is not { Length: > 0 }) throw new ArgumentNullException(nameof(key));
 
         using var aes = Aes.Create();
+        aes.Mode = CipherMode.CFB;
         aes.Key = SHA256.HashData(Encoding.UTF8.GetBytes(key));
         aes.GenerateIV();
-
         using var encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
+
         await using var cs = new CryptoStream(toStream, encryptor, CryptoStreamMode.Write, leaveOpen: true);
 
         // Prepend IV to the encrypted data
@@ -43,8 +44,9 @@ public static class Security
         var iv = new byte[aes.BlockSize / 8];
         _ = await encryptedStream.ReadAsync(iv, cancellationToken);
         aes.IV = iv;
-
+        aes.Mode = CipherMode.CFB;
         using var decryptor = aes.CreateDecryptor(aes.Key, aes.IV);
+
         await using var cryptoStream = new CryptoStream(encryptedStream, decryptor, CryptoStreamMode.Read, leaveOpen: true);
 
         // Read and write in chunks