CertVerifyTimeValidity function (wincrypt.h)
The CertVerifyTimeValidity function verifies the time validity of a certificate.
Syntax
LONG CertVerifyTimeValidity(
[in] LPFILETIME pTimeToVerify,
[in] PCERT_INFO pCertInfo
);
Parameters
[in] pTimeToVerify
A pointer to a FILETIME structure containing the comparison time. If NULL, the current time is used.
[in] pCertInfo
A pointer to the CERT_INFO structure of the certificate for which the time is being verified.
Return value
Returns a minus one if the comparison time is before the NotBefore member of the CERT_INFO structure. Returns a plus one if the comparison time is after the NotAfter member. Returns zero for valid time for the certificate.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2003 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | wincrypt.h |
| Library | Crypt32.lib |
| DLL | Crypt32.dll |