Re: SPC and PVK creation

From: Michel Gallant (neutron_at_NOSPAMistar.ca)
Date: 01/03/04 

Date: Sat, 3 Jan 2004 16:31:10 -0500

Signcode.exe can use public/private key information from either
 (1) local files (spc/pvk) or
 (2) cert public keys and associated private keys in CSP keycontainers
You can use signcode.exe knowing only the "CN" part of a certificate
(in the MY store) and it will automatically find the associated private keycontainer.
For details on this, see:
 http://msdn.microsoft.com/library/default.asp?url=/workshop/security/authcode/signing.asp
and also sample signing commands at:
 http://pages.istar.ca/~neutron/Thawte

The same keycontainer (instead of the .snk file) can be used directly to SN code
(if you know the keycontainer name) using:
  [assembly:AssemblyKeyNameAttribute("yourkeycontainername")]

I don't think there is any utility to directly convert a cert with associated
keycontainer into SPC and PVK files (PVK is proprietary privatekey format).

Cheers,
 - Mitch Gallant
   MVP Security

"Rashad Rivera" <riverarx@state.gov> wrote in message news:00fc01c3d235$6543aee0$a501280a@phx.gbl...
> how do I extract the private key from a .CER to a SPC and
> PVK pair for code signing. I have set up a private CA
> server and can issue PKIs with software signing
> capabilities, but I can not find out how to extact the
> keys into the format needed for CODESIGN.EXE or SN.EXE.
> I tried using the MAKECERT, but that only creates test
> keys and the CERT2SPC only gets me the SPC but no PVK.
> Is there a way to do all of this from a command promt?
>
> Thanks,
>
> Rashad Rivera

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