In article <[EMAIL PROTECTED]>,
 [EMAIL PROTECTED] (Nicolas Williams) wrote:

>On Wed, Oct 03, 2001 at 03:16:32PM -0400, Paul B. Hill wrote:
>> To clarify further, the MIT Windows implementation of the ccache is not file
>> based. The ticket cache is kept in memory and is accessed via a local RPC
>> mechanism. The local RPC mechanism is authenticated. Under Win2k and XP one
>> user cannot normally access another users tickets.
>
>And to clarify further (and paraphrase): Under Unix one user cannot
>normally access another users tickets -- this is implemented using Unix
>file permissions for file-type ccaches.

And to clarify even further, Mac OS X also uses shared memory for 
credentials cache, and not files.

The bottom line is that you can't assume any particular storage or 
format. If you need to manipulate the cache, use the appropriate APIs.

hth

meeroh
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