On Tue, Sep 21, 1999 at 10:35:48AM -0500, David Hayes wrote:
> On Mon, Sep 20, 1999 at 12:41:41PM -0700, Rob Lemos wrote:
> > Can anyone recommend a good product for encrypting information on the fly,
> > meaning encrypt the file when you close it and decrypt it when you open it.
> 
> You don't specify what OS you're using, but I'd suggest something from
> the general class of disk encryptors. These programs keep your file
> permanently encrypted, but still allow you to work with it. As your
> application program tries to read each portion of the file, that
> individual portion is copied to RAM and decrypted in RAM. The hard drive
> is _never_ decrypted. In general, they're no more difficult to use than
> logging in to a network drive.
> 
> For Windows, either PGPdisk or Secure Drive. 
> 
> For UNIX/LINUX, try CFS (Cryptographic File System) or TCFS.
> 
> -- 
> David Hayes                  Technical Security    MCI Worldcom
> email: [EMAIL PROTECTED]     vnet: 777-7236     voice: 972-729-7236
> The official opinions of MCI Worldcom are probably nothing like these.

For Windows, SCRAMDISK.

It is free, totally transparent, various crypto
algorithms available and, last but not list, full
sources are available.

        http://www.scramdisk.clara.net


--vince
-- 
David Vincenzetti
Intesis SECURITY LAB            Phone: +39-02-671563.1
Via Settembrini, 35             Fax: +39-02-66981953
I-20124 Milano  ITALY           Email: [EMAIL PROTECTED]

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