> The reason for the different results seems to be,
> that the CFB mode has 4 different sub-modes, the 1-bit
> CFB mode, the 8-bit CFB mode, the 64-bit CFB mode, or
> the 128-bit CFB mode. The PHP script seems to use the
> 8-bit CFB mode, while Crypto++ uses the 128-bit CFB mode.

>From cryptographic point of view I _strongly_ advice runnign CFB only in
128-bit mode.

> Is there a possibility to run Crypto++ with 8-bit CFB mode?

As you mention in your other postings, you've figured out how to do that -
but I recommend rather changing PHP or whatever to 128-bit CFB (and yes, it
has something to do with the cipher block-size, which for AES is 128 bits).


--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the "Crypto++ Users" 
Google Group.
To unsubscribe, send an email to [EMAIL PROTECTED]
More information about Crypto++ and this group is available at 
http://www.cryptopp.com.
-~----------~----~----~----~------~----~------~--~---

Reply via email to