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Reader Comments:
So-Called High Tech Solutions
Re: "PGP Signatures for Electronic Documents?" (Ubiquity, June 6-12, 2000)
In general, I must agree with David Ross as I too am an ardent user of PGP.
But the problem is that with a properly composed Java bean entered as a
Trojan Horse an invader can decrypt the PGP encrypted document, alter it and
re-encrypt it, if it is located on the home hard disk.
Of course, the obvious way to protect a document is not to store it on
either a network server or a hard drive on one's desktop, but to store
critical documents and data on floppy disk. Thus the ability to alter the
document would not matter as the document would be unavailable to the
intruder. This may sound like heresy to many readers who are in the habit of
loading up their hard drives with all manner of documents, spreadsheets,
in-and-out e-mail, etc. rather than doing occasional house cleaning to
protect data and documents from destruction. For myself, I set the
defaults to save to my removable media drive.
Even with a PGP, digitally certified document, etc., what good does it
do if something happens to the hard drive on which the document is stored?
Perhaps an intruder would be unable to alter the document, but the holder
would have lost it in the crash. There are times when so-called high tech
should not supplant something as old-fashioned as hard copy.
-- Paul D Lane
Previous comments on "Electronic Signature Legislation."
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