https://spaces.internet2.edu/display/SHIB2/IdPInstall
There is a little discussion of this on the Shibboleth mailing list,
starting at:
https://mail.internet2.edu/wws/arc/shibboleth-users/2008-03/msg00265.html
which says they have come to no conclusions about the reasons for the
poor performance. Google doesn't give me much, but maybe I'm not using
the right search terms as I'm unclear where the reasons could be.
Is bad performance with cryptographic algorithms a known issue with any
current debian packages? I would really prefer not to have to install RH
on my machines...
Graham