RE: DH-CHAP

[Black_David@emc.com]

> ..no one can guarantee that there is
> no patent issues here just as no one can guarantee that the 
> patent holders of SPEKE, SRP, or EKE will not claim that DH-CHAP does not 
> infringer their patent)

The patent holders will have to speak for themselves.  I would observe
that the cited patents modify the DH exchange to convey additional
information in order to obtain their security properties.  In contrast,
DH-CHAP uses an unmodified DH exchange.

Thanks,
--David
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David L. Black, Senior Technologist
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