Chinese WAPI protocol?

[Ben Pfaff]

David Wagner <daw at cs.berkeley.edu> writes:

> The specification is secret and confidential.  It uses the SMS4
> block cipher, which is secret and patented. [*]

"Secret" and "patented" are mutually exclusive.
-- 
Ben Pfaff 
email: blp at cs.stanford.edu
web: http://benpfaff.org


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