CertRemoveEnhancedKeyUsageIdentifier function (wincrypt.h)

The CertRemoveEnhancedKeyUsageIdentifier function removes a usage identifier object identifier (OID) from the enhanced key usage (EKU) extended property of the certificate.


BOOL CertRemoveEnhancedKeyUsageIdentifier(
  [in] PCCERT_CONTEXT pCertContext,
  [in] LPCSTR         pszUsageIdentifier


[in] pCertContext

A pointer to a CERT_CONTEXT of the certificate for which the usage identifier OID is to be removed.

[in] pszUsageIdentifier

A pointer to the usage identifier OID to remove.

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.


Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header wincrypt.h
Library Crypt32.lib
DLL Crypt32.dll

See also

Enhanced Key Usage Functions