On the one hand a digital signature should matter more
the bigger the transaction that it protects. On the
other hand, the bigger the transaction the lower the
probability that it is between strangers who have no
other leverage for recourse.
I think signatures are increasingly being used for technical reasons,
not legal. That is, sign and verify just to prove that all the layers
of middleware and Internet and general bugaboos didn't screw with it.
People seem to be building systems that assume proper operation, and use
signatures as an application-level way to check, and also as a line of
defense to screen out outsiders, rather than hold insiders liable.
Loosly coupled, tightly contracted.
/r$
--
Rich Salz, Chief Security Architect
DataPower Technology http://www.datapower.com
XS40 XML Security Gateway http://www.datapower.com/products/xs40.html
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