Re: FW: DES IV

From: Robert Dale (rdale@digital-mission.com)
Date: Wed Feb 13 2002 - 11:13:04 EST


On Tue, 12 Feb 2002, Chris Love wrote:
> >
> > I am new to this whole encryption thing, but I need some assurance.
> > We get a key generated for us from OPENSRS, but where do I get an
> > Initilization Vector (IV) for DES? Can I just make something up?

You can make anything up. I bevlieve it has to be 8 bytes. But the IV is
used to seed the encryption routines. So if you use a constant number, the
easier it will be to crack. Generally, encryption APIs have a random IV
generator.

-- 
Robert Dale

digital mission llc



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