David Shaw dshaw at
Tue Mar 4 17:59:48 CET 2008

On Tue, Mar 04, 2008 at 11:51:13AM -0500, Maury Markowitz wrote:
> Didn't IDEA's patent expire last year? I notice it's still not in the
> list unless I load it by hand. Is there something else preventing it
> from being used?

It's patented until 2010 (2011 in some places).

IDEA is effectively dead.  I don't mean that as a knock against IDEA -
it was a fine cipher for its time, but time has moved on.  The only
reason to use IDEA is if you want to be compatible with PGP 2


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