Consider this an RFC.

These patches add kernel support for triple-DES and AES encryption to the
Kerberos gss code.

These are currently built on 2.6.25-rc1, but I think they should apply
to the latest code as well.

The first patch adds a crypto cts wrapper to do the cts mode req'd by
AES.  This has been submitted to Herbert Xu.

A couple of things remain:

 - Allocate the blkcipher(s) for "cbc(aes)" during context initialization
   rather than on-demand.  I'll include this in the next version.

 - Add support for rc4-hmac.

 - Implement the code necessary to handle possibly rotated data in the
   version two tokens.  I don't expect we'll see rotated data in normal
   operation, but this should be done for completeness.

There are nfs-utils patches required for the new context format from
user-land to kernel.  I need to finish changes for non-lucid contexts
and test those further.


K.C.
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