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Re: Granularity of authentication in swIPe



	 Steve - correct me if I'm wrong, but won't the TESSERA cards refuse to
	 encrypt anything without the exchange of an IV containing a valid
	 LEAF?  Or is ECB an exception?

ECB is indeed an exception.  But with the prototype card, it's slow, about
40 ms.  And I doubt they have much incentive to speed that part up...