Re: validating a file's digital signature

From: David Cross [MS] (dcross_at_online.microsoft.com)
Date: 08/23/04


Date: Mon, 23 Aug 2004 05:12:33 -0700

You can use WinVerifyTrust to validate the signature on a binary:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccrypto/security/winverifytrust.asp

-- 
David B. Cross [MS]
--
This posting is provided "AS IS" with no warranties, and confers no rights.
http://support.microsoft.com
"Dimitris Papadimitriou" <nospam@nospam.com> wrote in message
news:eBd8ZGOiEHA.1644@tk2msftngp13.phx.gbl...
> Is there a way to validate the digital signature of a file (the one show
in
> it's properties window of windows explorer) using code (preferable vb
code)?
>
> dimitris
>
>


Relevant Pages

  • Re: validating a files digital signature
    ... You can use WinVerifyTrust to validate the signature on a binary: ... "Dimitris Papadimitriou" wrote in message ... > it's properties window of windows explorer) using code (preferable vb ...
    (microsoft.public.security)
  • Re: validating a files digital signature
    ... You can use WinVerifyTrust to validate the signature on a binary: ... "Dimitris Papadimitriou" wrote in message ... > it's properties window of windows explorer) using code (preferable vb ...
    (microsoft.public.inetserver.iis.security)
  • Re: validating a files digital signature
    ... You can use WinVerifyTrust to validate the signature on a binary: ... "Dimitris Papadimitriou" wrote in message ... > it's properties window of windows explorer) using code (preferable vb ...
    (microsoft.public.dotnet.framework.aspnet.buildingcontrols)
  • Re: Authenticated encryption using AES
    ... Is the purpose here to keep the firmware confidential from some opponent? ... do you have a way to prevent malicious changes to the public key used to validate the signature? ... the key used for validating a signature is not sufficient to construct any other valid signature. ... My guess is that this won't be any worse for your application, which has to keep the encryption key secret anyway. ...
    (sci.crypt)
  • Re: how to generate license keys for software
    ... The simplest way is to iterate the hash, ... If I take 5 seconds to validate a license code, ... An RSA signature of 512 bit key is 103 base32 characters. ...
    (sci.crypt)