NT 5.0 and EFS -- A victory for widespread use of crypto?
Adam Shostack
adam at homeport.org
Fri Oct 9 10:25:42 PDT 1998
On Wed, Oct 07, 1998 at 06:06:21PM -0500, Steve Dunlop wrote:
| The white paper on the MSDN web site says it uses
| DESX (no explaination as to what the X is) and an
| RSA public key algorithm to store the symmetric keys,
| which are random for each file.
|
| So what's DESX?
DESX is where you xor the output of a des block with the key. Has
some interesting properties which McCurley? showed in Crypto 97
proceedings.
Adam
--
"It is seldom that liberty of any kind is lost all at once."
-Hume
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