Linux kernel key retention

[Kevin Coffman]

Fredrik,
I'm working on this in conjunction with Linux nfs-utils changes.  As
it turns out, actually storing the ccache in the kernel keyring is not
*the* answer for NFS.  It is helpful when process- or thread-level
credentials are needed for NFS access.

The essential thing the keyring will hold is a pointer to *the*
credentials to be used when creating the gss context.  The actual
creds, for Kerberos, may live in a FILE: or KEYRING: credentials
cache.  I'm working now on library routines to set/get the credentials
to be used.  The keyring ccache code is basically complete, with a few
details to work out.

Contact me off-list (or on the linux-nfs list) for more details.

K.C.

On 5/1/06, Fredrik Tolf <fredrik at dolda2000.com> wrote:
> Hi list!
>
> I've been googling around a bit on this subject, not being able to find
> anything weighty. Are there current plans on implementing a ccache
> utilizing the key retention feature of the Linux kernel? Such a thing
> would really help, particularly for NFS with Kerberos RPCSEC.
>
> If there is such work going on, can anyone give a pointer to any
> information on it? If not, I should give it a try myself.
>
> Fredrik Tolf
>
>
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