[OpenAFS] Supported enctypes in OpenAFS 1.4.x
Derrick J Brashear
Wed, 30 Aug 2006 10:52:44 -0400 (EDT)
On Wed, 30 Aug 2006, Rodney M Dyer wrote:
> At 09:57 AM 8/30/2006, Jeffrey Altman wrote:
>> At the moment the requirement is that the service key and the session
>> key be limited to one of the single DES types. DES-CBC-CRC,
>> DES-CBC-MD5, DES-CBC-MD4.
>> In some future we will support stronger encryption types.
> Exactly what does this "future" depend on:
> * Simple developer time to implement?
Marcus Watts and Matt Benjamin are almost done with it.
> * Encryption algorithm licensing?
No. We're using what krb5 does.
> * Encryption algorithm development?
That would be foolish. Read about the history of PGP.
> * Does the AFS codebase have a modular encryption scheme where a new
> algorithm can simply be "plugged in"?
> * Can you just simply use the prototype encryption algorithms from their
> respective RFCs?
krb5 comes with a crypto library anyway...
> * If you started today on a full time basis, how long do you think it would
> it take to add AES for example?
Am I allowed access to other people's work completed so far?
> * Would this also include the implementation time for "fs crypt"?
All fs crypt does is tweak a bit.