Classic ASP

Get Certificate Valid To/From Dates

Demonstrates how to get the certificate "valid from" and "valid to" dates.

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

set cert = Server.CreateObject("Chilkat.Cert")

success = cert.LoadFromFile("qa_data/certs/testCert.cer")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

' Get the certificate valid-from date/time
set ckdt = Server.CreateObject("Chilkat.CkDateTime")
success = ckdt.SetFromRfc822(cert.ValidFromStr)

' Get the local timestamp string.
Response.Write "<pre>" & Server.HTMLEncode( "Valid from: " & ckdt.GetAsTimestamp(1)) & "</pre>"
' Valid from: 2017-03-17T19:00:00-05:00

' Now get the date/time as another object where we can get the individual numeric date parts.
set dt = Server.CreateObject("Chilkat.DtObj")
ckdt.ToDtObj 1,dt

Response.Write "<pre>" & Server.HTMLEncode( dt.Day & "/" & dt.Month & "/" & dt.Year & "  " & dt.Hour _
     & ":" & dt.Minute) & "</pre>"

' Get the certificate valid-to date/time
success = ckdt.SetFromRfc822(cert.ValidToStr)

Response.Write "<pre>" & Server.HTMLEncode( "Valid to: " & ckdt.GetAsTimestamp(1)) & "</pre>"
' Valid to: 2020-03-18T18:59:59-05:00new DtObj dt;
ckdt.ToDtObj 1,dt

Response.Write "<pre>" & Server.HTMLEncode( dt.Day & "/" & dt.Month & "/" & dt.Year & "  " & dt.Hour _
     & ":" & dt.Minute) & "</pre>"

%>
</body>
</html>