Reading the FIPS201-1 specification, I find no support for hosting any CA 
certificates associated with the user certificates.

This makes me wonder how you can use TLS-client-authentication if the relying 
party (server) only has the root and not immediate CA certificates at hand.

Just to verify that these things can be a cause of trouble I removed an 
immediate CA certificate from my local trust store and I could not longer login 
using my TPM-hosted certificate.

The solution seems to be that the relying party has access to all immediate CAs 
for the roots it trusts?  This appears to be a bit impractical for "scheme" CAs 
supporting a lot of independent sub-ordinate CAs.

Any comments?

Anders
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