RE: Electronic signatures and watermarking?

From: Adrian Floarea (adrian.floarea_at_uti.ro)
Date: 10/28/04

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    To: <security-basics@securityfocus.com>
Date: Thu, 28 Oct 2004 21:11:03 +0300

     In this moment in time, the only valid method for business documents are
    the real handwritten. You realize that: if you paste something on an
    ordinary paper, how can you check the currency of this, or how can you
    prevent the multiplication of this signature? What you want it's possible
    but only on special paper (for money e.g.). Of course, you can use a pasted
    handwritten on ordinary paper but you will have big problems to prove the
    identity of this.

    Regards,

    Adrian Floarea
    Information Security Department
    IT&C Division, UTI Systems SA
    Bucharest, Romania
    Email: adrian.floarea@uti.ro

    On Tue, 2004-10-26 at 16:10, 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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