certificate-hasprivatekey.md

description	ms.assetid	title	ms.topic	ms.date	topic_type	api_name	api_type	api_location
Determines whether the certificate has a private key associated with it. The method determines this by checking whether the CERT\_KEY\_PROV\_INFO\_PROP\_ID property is present.	80478956-1ed7-4c25-9ae3-d7176649e6d7	ICertificate2::HasPrivateKey method	reference	05/31/2018	APIRef kbSyntax	Certificate.HasPrivateKey ICertificate2.HasPrivateKey ICertificate.HasPrivateKey	COM	Capicom.dll

ICertificate2::HasPrivateKey method

[CAPICOM is a 32-bit only component that is available for use in the following operating systems: Windows Server 2008, Windows Vista, and Windows XP. Instead, use the X509Certificate2 Class in the System.Security.Cryptography.X509Certificates namespace.]

The HasPrivateKey method determines whether the certificate has a private key associated with it. The method determines this by checking whether the CERT_KEY_PROV_INFO_PROP_ID property is present.

Syntax

Certificate.HasPrivateKey()

Parameters

This method has no parameters.

Requirements

Requirement	Value
End of client support	Windows Vista
End of server support	Windows Server 2008
Redistributable	CAPICOM 2.0 or later on Windows Server 2003 and Windows XP
DLL	Capicom.dll

See also

PrivateKey.Open

Cryptography Objects

Certificate