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RE: Unable to verify server certificate

From: Daniel Stenberg <daniel_at_haxx.se>
Date: Wed, 6 Aug 2008 12:38:16 +0200 (CEST)

On Tue, 5 Aug 2008, Salgar, Gowtam wrote:

> Is there a way to validate the actual server certificate.?

No.

> Lets say if I get the server certificate in advance can I use it to cross
> check while connecting every time, so that I make sure I am connecting to
> the right web site.?

That's typically what the CA cert stuff does. Together with the check that the
name within the cert matches the host name of the site.

> Bcoz just validating the CA againt the ca-bundle.crt in real scenario is not
> completely validating the actual certificate issued.?

It validates the peer's cert by the fact that the CA of it is "trusted".
That's how SSL certs work.

> In reality we do know that if a CA is valid then the certificate issued by
> the CA is also going to be valid. But we want to go one steop ahead and
> validate the actual server certificate issued by the CA.?

curl and libcurl has no feature currently...

-- 
  / daniel.haxx.se
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Received on 2008-08-06