IX509CertificateRequestPkcs10::InitializeFromTemplateName method (certenroll.h)
The InitializeFromTemplateName method initializes the certificate request by using a template.
Syntax
HRESULT InitializeFromTemplateName(
[in] X509CertificateEnrollmentContext Context,
[in] BSTR strTemplateName
);
Parameters
[in] Context
An X509CertificateEnrollmentContext enumeration value that specifies whether the requested certificate is intended for an end user, a computer, or administrator acting on behalf of the computer.
[in] strTemplateName
A BSTR variable that contains the Common Name (CN) of the template as it appears in Active Directory or the dotted decimal object identifier.
Return value
If the function succeeds, the function returns S_OK.
If the function fails, it returns an HRESULT value that indicates the error. Possible values include, but are not limited to, those in the following table. For a list of common error codes, see Common HRESULT Values.
| Return code/value | Description |
|---|---|
|
The certificate request object has already been initialized. |
Remarks
The InitializeFromTemplateName method creates the following collections:
- An ICryptAttributes collection.
- An IX509Extensions collection.
- An IObjectIds collection populated with the default XCN_OID_KEY_USAGE and XCN_OID_BASIC_CONSTRAINTS2 object identifiers.
- An empty IObjectIds collection for attribute and extension OIDs to be suppressed from the new request.
The method then examines the template and performs the following actions:
- Adds the extensions specified by the template to the IX509Extensions collection.
- Removes the default critical extensions (XCN_OID_KEY_USAGE and XCN_OID_BASIC_CONSTRAINTS2) from the collection if the template indicates that they are not critical. The OIDs marked critical by the template are added.
- Sets the SmimeCapabilities property if the template supports symmetric algorithms.
- Sets the AlternateSignatureAlgorithm property if the template requires a discrete signature algorithm OID.
- Creates an IX509SignatureInformation object.
- Creates a hash algorithm OID if the algorithm is specified in the template and sets it on the IX509SignatureInformation object.
- Creates an asymmetric encryption algorithm OID if the algorithm is specified in the template and sets it on the IX509SignatureInformation object.
- Sets the following IX509PrivateKey properties from the template settings:
If the CSPInformations property is NULL, the method creates an ICspInformations collection from the providers installed on the computer.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | certenroll.h |
| DLL | CertEnroll.dll |