Does .NET Support AES OFB?

Question

Does .NET support AES OFB encryption?

I tried using AesCryptoServiceProvider, but when I set the mode to CipherMode.OFB, I got an exception: the specified algorithm is incorrect

AesManaged does not allow feedback modes (based on MSDN documentation)

Answer 1

.Net 4.0 should

here's the link

http://msdn.microsoft.com/en-us/library/0ss79b2x.aspx

Here are the available encryption modes

http://msdn.microsoft.com/en-us/library/system.security.cryptography.ciphermode.aspx

Answer 2

The base class SymmetricAlgorithm supports only CipherModes CBC and CFB.

, AesCryptoServiceProvider. , Cipher.

* : [ .Net v3.5]