Undocumented Bypass in PGP Whole Disk Encryption

Victor Duchovni Victor.Duchovni at MorganStanley.com
Fri Oct 5 15:00:11 EDT 2007

On Thu, Oct 04, 2007 at 02:37:21PM -0500, travis+ml-cryptography at subspacefield.org wrote:

> http://it.slashdot.org/article.pl?sid=07/10/04/1639224&from=rss
> Interesting quote:
> Jon Callas, CTO and CSO of PGP Corp., responded that this [previously
> undocumented] feature was required by unnamed customers and that
> competing products have similar functionality.

The article is sensational nonsense. The quote is right on the money,
businesses require disk encryption companies to support one time unprotected
reboot (enabled securely before reboot) to support automated rebuilds.

Without this requirement, the Windows desktop support teams refuse to
field the products. The problem is not interesting, the feature cannot
be enabled after the fact.


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