Security Basics mailing list archives

Re: Electronic signatures and watermarking?


From: PCSage Information Services <info () pcsage biz>
Date: Fri, 29 Oct 2004 08:44:36 -0400

Assuming of course that these documents are meant to 'stay' in the electronic domain, you might consider using Adobe Acrobat to help secure your documents as ACLs and signatures travel with (are embedded in) a pdf file. A colleague of mine has used PDF technology / combined with a handwriting analysis program to ensure that signatures are valid when compared to an electronic original, for a large metropolitan healthcare organization.

Good Luck in your Efforts,

Sean Swayze
infoATpcsageDOTbiz

On 26-Oct-04, at 11:10 AM, Spencer, Mark wrote:

On business documents (those that still live in the paper world) where
public/private keys and signature verification are unavailable, is there
a way to make an electronic signature (a handwritten one that has been
scanned in) more secure?  Possibly by watermarking?  Anyone can scan in
a handwritten signature and paste it into a document, but I'm curious
about how one might watermark or otherwise secure it.

Thanks!

Mark




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