RE: RSA's SecurPC not-so-"Secur"

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W. J. La Cholter (tck@giage.com)
Tue, 12 May 1998 11:48:40 -0400


> -----Original Message-----
> From: Martin G. Diehl [SMTP:mdiehl@nac.net]
>
        [clip]

> Why not have a RAM disk (yes, I know that is an old DOS idea)
> that uses a non swappable buffer? Reasons: It would have to
> be implemented as a device driver; it could be standardized
> across many platforms; recognized and certified code might be
> easier to get installed by administrators; perhaps the concept
> could be accepted by OS providers such as MS, IBM, ... and be
> part of the operating system.
>
When I ran PGP 2.6 on Window NT, I used a RAM disk driver for my temp
files. The driver source came from the Microsoft NT Device Driver Kit
(DDK).

If the OS supports memory mapped files on the RAM disk, then everything
done in the file space should be safe. However, it would be nice if the
RAM disk were scalable so that it could shrink and grow on demand (the
NT and DOS versions aren't). On Windows NT, it might be hard to make a
RAM disk driver dynamically loadable because of the interactions of the
IO Manager. The same limitations don't exist on simple drivers.
-
W. J. La Cholter - Giage
PGP 5 Fingerprint: 79E0 EE3A 2EC1 2303 624C AE99 F31B 972B F24F 688E


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The following archive was created by hippie-mail 7.98617-22 on Fri Aug 21 1998 - 17:17:20 ADT