svn rev #22919: branches/enc-perf/src/ include/ lib/crypto/krb/ lib/crypto/krb/dk/

[Greg Hudson]

On Sun, 2009-10-18 at 14:56 -0400, Ken Raeburn wrote:
> Isn't this going to have thread safety problems, if two threads try to  
> use the same key?  They could collide updating the refcount, or  
> updating the linked list pointers.

I hadn't envisioned keys being sharable between threads, any more than
contexts are.  I can make that clearer in the comments.