Re: [Openvpn-devel] Unable to use -OFB or -CFB ciphers in OpenVPN

[Victor W. <vi...@wa...>]

On 2009.05.30 at 04:38:41 -0600, James Yonan wrote:

> 
> The OFB and CFB cipher modes in OpenVPN have not been well-tested and 
> should be considered experimental at this point.
  

> They are not compiled by default mostly to prevent someone from 
> accidentally using them.

Okay, you see there is some demand for this cipher.

Can anybody explain why such strange design decision is taken.

As far as I know cryptography theory, there is absolutely no reason to
prefer CBC to CFB or CNT.