Re: Decrypt File

["Brian Nottle" <bnottle () telus net>]

Tried Google and got for my first hit
http://www.crackpassword.com/products/prs/otherms/efs/

Elcomsoft apparently offer a range of Password
recovery software. Havn't tried any of it myself,
but seems worth a try.

Brian Nottle
----- Original Message ----- 
From: "Jim Barrett" <jimb () ins com>
To: "'James Yang'" <guanghuyang () yahoo com cn>;
<security-basics () securityfocus com>
Sent: Thursday, May 15, 2003 11:43 AM
Subject: RE: Decrypt File


> You may be out of luck.
>
> If your W2K system is a member of a domain and you have Cert Services
> running, you probably tied your encrypt/decrypt key to your domain
> account.  There is also a recovery agent key created and it may be
> assigned to someone in your company.
>
> On the other hand, if this is a standalone workstation you are in
> trouble.  When you use EFS on a standalone box, two copies of the
> encrypt/decrypt keys are created.  One is tied to the user account that
> did the encryption and the other to the local Admin account.
>
> If you did a full backup and restore (including all of the W2K system
> files) this should work.  If you only backed up your data files and then
> wiped and rebuilt the system, it is not going to work as you wiped out
> the encrypt/decrypt keys when you wiped out the OS.
>
> Sorry...
>
> -----Original Message-----
> From: James Yang [mailto:guanghuyang () yahoo com cn]
> Sent: Wednesday, May 14, 2003 11:39 PM
> To: security-basics () securityfocus com
> Subject: Decrypt File
>
>
>
>    My system occured problem yesterday.I backuped my files and then
>
> reinstalled my W2K system.After I copied back my files I found I
> couldn't
>
> open the encrypted files.
>
>     How can I open, could anyone give me a tip.
>
>     Thanks.
>
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