
03-09-2008
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Re: Windows Vista smart card logon on stand alone machine
Google on PKINIT
Brian
"Michele" <Michele@discussions.microsoft.com> wrote in message
news:1422ACCF-C9C0-469E-9E9C-EFB3B94F6FA9@microsoft.com...
> Hi all.
> I just want to share with you my thoughts about smart card authentication
> implementation in Vista.
> I know that smart card logon, also known as strong authentication or
> two-factor authentication, can be performed on a machine that is connected
> to
> a domain.
> And in Vista SP1 it's been added the support for biometric factor
> authentication so that, with the appropriate security tokens, strong
> three-factor authentication can be performed through Kerberos on machines
> connected to a domain.
> Said that I really can't understand why Microsoft doesn't give a standard
> option, included natively in her oss, to enable strong authentication in
> stand alone machines that are not connected to a domain.
> I try to explain in details what I mean.
> It happens often, for security reasons, that companies have stand alone
> pcs
> not connected to the internet and to the company domain.
> From my point of view achieving a strong authentication on a stand alone
> machine is not so complicated; Let's think at this scenario: I have my
> public
> key certificate with its relative private key both stored on my personal
> security token that, through its internal microprocessor, is capable of
> cryptographic tasks.
> If there could be a way to install the public key certificate I have on
> the
> above security token on a stand alone machine and associate it to my user
> account of that stand alone pc it could be easy to perform strong
> authentication using Microsoft Smart Card Base Cryptographic Service
> Provider. ( Having also the minidrivers of the token vendor installed on
> the
> stand alone machine )
> When I would insert my security token in the stand alone pc my public key
> certificate would be sent to the stand alone pc that, after checking that
> the
> public key certificate is associated to my user account on the stand alone
> pc, would sent to my security token an automatically generated password
> encrypted with the public key associated to the public key certificate I
> have
> on my security token that could decrypted it with its private key and send
> it
> to the stand alone pc.
> I know that there are third parts softwares that perform authentication to
> windows stand alone pc through security token but it's not the same as if
> it
> was embedded natively in windows oss.
> My reasoning is surely missing some technical or security aspect or maybe
> just some convenience aspect and I really appreciate any comments and/or
> any
> corrections.
> Thank in advice to all who will read my post and answer/comment me.
> Best regards
> Michele
>
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