Crypto Filter Driver

I want to write a File System Filter Driver, which provides Crypto Funktions
to the user. When the use access a crypted file, the driver should decrypt
the file and the use gets access to the file. Before the user gets access to
the file, he must enter a password or a key. Has anyone written a kind of
Crypto Filter Driver and can help me ? Or is anywhere the source of an
Crypto Filter Driver available ?

A. Roth


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I think the sfilter sample from IFSKit is the start point for you.

Regards,
Max

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Andreas Roth
Sent: Thursday, August 16, 2001 4:54 PM
To: File Systems Developers
Subject: [ntfsd] Crypto Filter Driver

I want to write a File System Filter Driver, which provides Crypto Funktions
to the user. When the use access a crypted file, the driver should decrypt
the file and the use gets access to the file. Before the user gets access to
the file, he must enter a password or a key. Has anyone written a kind of
Crypto Filter Driver and can help me ? Or is anywhere the source of an
Crypto Filter Driver available ?

A. Roth


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The product with the feature you want already exists.

Lixin

----- Original Message -----
From: “Andreas Roth”
To: “File Systems Developers”
Sent: Thursday, August 16, 2001 8:53 AM
Subject: [ntfsd] Crypto Filter Driver

> I want to write a File System Filter Driver, which provides Crypto
Funktions
> to the user. When the use access a crypted file, the driver should
decrypt
> the file and the use gets access to the file. Before the user gets access
to
> the file, he must enter a password or a key. Has anyone written a kind of
> Crypto Filter Driver and can help me ? Or is anywhere the source of an
> Crypto Filter Driver available ?
>
> A. Roth
>
>
> —
> You are currently subscribed to ntfsd as: xxxxx@indefense.com
> To unsubscribe send a blank email to leave-ntfsd-$subst(‘Recip.MemberIDChar’)@lists.osr.com
>


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Which product do u mean ?

A. Roth

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of lixin
Sent: Thursday, August 16, 2001 8:48 PM
To: File Systems Developers
Subject: [ntfsd] Re: Crypto Filter Driver

The product with the feature you want already exists.

Lixin

----- Original Message -----
From: “Andreas Roth”
To: “File Systems Developers”
Sent: Thursday, August 16, 2001 8:53 AM
Subject: [ntfsd] Crypto Filter Driver

> I want to write a File System Filter Driver, which provides Crypto
Funktions
> to the user. When the use access a crypted file, the driver should
decrypt
> the file and the use gets access to the file. Before the user gets access
to
> the file, he must enter a password or a key. Has anyone written a kind of
> Crypto Filter Driver and can help me ? Or is anywhere the source of an
> Crypto Filter Driver available ?
>
> A. Roth
>
>
> —
> You are currently subscribed to ntfsd as: xxxxx@indefense.com
> To unsubscribe send a blank email to leave-ntfsd-$subst(‘Recip.MemberIDChar’)@lists.osr.com
>


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I don’t have the IFS Kit :-(. I only have the ntifs.h header from an private
homepage. So can u send me the sample or can u say where i can find an other
sample for a Crypto Filter Driver ?

A. Roth

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Max Lyadvinsky
Sent: Thursday, August 16, 2001 4:51 PM
To: File Systems Developers
Subject: [ntfsd] RE: Crypto Filter Driver

I think the sfilter sample from IFSKit is the start point for you.

Regards,
Max

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Andreas Roth
Sent: Thursday, August 16, 2001 4:54 PM
To: File Systems Developers
Subject: [ntfsd] Crypto Filter Driver

I want to write a File System Filter Driver, which provides Crypto Funktions
to the user. When the use access a crypted file, the driver should decrypt
the file and the use gets access to the file. Before the user gets access to
the file, he must enter a password or a key. Has anyone written a kind of
Crypto Filter Driver and can help me ? Or is anywhere the source of an
Crypto Filter Driver available ?

A. Roth


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if you got the sample, please send me a copy!
thx

leezhiwei

----- Original Message -----
From: “Andreas Roth”
To: “File Systems Developers”
Sent: Friday, August 17, 2001 2:44 PM
Subject: [ntfsd] RE: Crypto Filter Driver

> I don’t have the IFS Kit :-(. I only have the ntifs.h header from an private
> homepage. So can u send me the sample or can u say where i can find an other
> sample for a Crypto Filter Driver ?
>
> A. Roth
>
> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of Max Lyadvinsky
> Sent: Thursday, August 16, 2001 4:51 PM
> To: File Systems Developers
> Subject: [ntfsd] RE: Crypto Filter Driver
>
>
> I think the sfilter sample from IFSKit is the start point for you.
>
> Regards,
> Max
>
>
> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com]On Behalf Of Andreas Roth
> Sent: Thursday, August 16, 2001 4:54 PM
> To: File Systems Developers
> Subject: [ntfsd] Crypto Filter Driver
>
>
> I want to write a File System Filter Driver, which provides Crypto Funktions
> to the user. When the use access a crypted file, the driver should decrypt
> the file and the use gets access to the file. Before the user gets access to
> the file, he must enter a password or a key. Has anyone written a kind of
> Crypto Filter Driver and can help me ? Or is anywhere the source of an
> Crypto Filter Driver available ?
>
> A. Roth
>
>
> —
> You are currently subscribed to ntfsd as: xxxxx@acronis.com
> To unsubscribe send a blank email to xxxxx@lists.osr.com
>
>
> —
> You are currently subscribed to ntfsd as: xxxxx@arsoft-online.de
> To unsubscribe send a blank email to xxxxx@lists.osr.com
>
>
> —
> You are currently subscribed to ntfsd as: leezhiwei@263.net
> To unsubscribe send a blank email to xxxxx@lists.osr.com
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