CertAddEnhancedKeyUsageIdentifier function (wincrypt.h)

The CertAddEnhancedKeyUsageIdentifier function adds a usage identifier object identifier (OID) to the enhanced key usage (EKU) extended property of the certificate.

Syntax

BOOL CertAddEnhancedKeyUsageIdentifier(
  [in] PCCERT_CONTEXT pCertContext,
  [in] LPCSTR         pszUsageIdentifier
);

Parameters

[in] pCertContext

A pointer to the CERT_CONTEXT of the certificate for which the usage identifier is to be added.

[in] pszUsageIdentifier

Specifies the usage identifier OID to add.

Return value

If the function succeeds, the function returns nonzero (TRUE).

If the function fails, it returns zero (FALSE). For extended error information, call GetLastError.

Requirements

See also

CERT_CONTEXT

Enhanced Key Usage Functions

GetLastError