In Message-ID:<fld3uj$1mf$1@behemoth.volia.net>,
"Eugene Mayevski" <mayevski@eldos.com> wrote:

>Hello!
>You wrote on Mon, 31 Dec 2007 14:23:21 -0500:
>
> AT> You're forgetting that a good digital signature is a
> AT> transformation of a secure hash of the original. Take this
> AT> signature and see if it works with any other document:
>
>I was talking about graphic signature or a fingerprint, i.e. "what the
>person is". Please read more attentively.

And in the original post, Ari was looking for:

>By "digital signature", the requirements are:
>
>1) that a physical "mark" appear and
>2) that the digital signature protects the document from tampering
>(invalidates it if tampered with will do)

I replied under the (mistaken) impression that *you* had read
more attentively.

--
Arthur T. - ar23hur "at" intergate "dot" com
Looking for a z/OS (IBM mainframe) systems programmer position