How to Ignore a Signature

[Henry B. Hotz]

I've got a service provider which is (so far) bureaucratically unable to provide me with the cert needed to verify the signature on their authentication requests.  Is there an easy way to tell the IDP to ignore the signature?
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The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.
Henry.B.Hotz at jpl.nasa.gov, or hbhotz at oxy.edu