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List:       ms-cryptoapi
Subject:    Re: Retrieving only certificates with private keys
From:       Joe Steele <steele () ADOBE ! COM>
Date:       2001-11-26 17:34:40
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Hello Antônio,

What is the error code returned? Are you passing the parameters correctly?

This seems to work properly on my system.  If
CertGetCertificateContextProperty returns non-zero, then some private key
exists.  I am not verifying the key type currently, but if a private key
exists you should be able to do that.

Joe Steele


-----Original Message-----
From: Microsoft Cryptographic API
[mailto:CryptoAPI@DISCUSS.MICROSOFT.COM]On Behalf Of Antônio Césa da
Silveira Jr.
Sent: Thursday, November 22, 2001 3:53 AM
To: CryptoAPI@DISCUSS.MICROSOFT.COM
Subject: REtrieving only certificates with private keys


Hello all.

 I am retrieving current user certificates in a list, using
CertEnumCertificatesInStore. I retrieve all certificates, but i want
to g=
et
only the certificates that have private keys associated.

 I have tried use CertGetCertificateContextProperty with
CERT_KEY_PROV_INFO_PROP_ID option and after
verified if pKeyInfo.dwKeySpec =3D AT_SIGNATURE , but this don=B4t
have w=
orked.

 Somebody have any sugestions for how to do this ??

 Thanks in advance.



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