(Classic ASP) Get Certificate Valid To/From Dates

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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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<%
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert")
set cert = Server.CreateObject("Chilkat.Cert")

success = cert.LoadFromFile("qa_data/certs/testCert.cer")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

' Get the certificate valid-from date/time
' ckdt is a Chilkat.CkDateTime
Set ckdt = cert.GetValidFromDt()
' 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.
' dt is a Chilkat.DtObj
Set dt = ckdt.GetDtObj(1)
Response.Write "<pre>" & Server.HTMLEncode( dt.Day & "/" & dt.Month & "/" & dt.Year & "  " & dt.Hour _
     & ":" & dt.Minute) & "</pre>"

' Get the certificate valid-to date/time
' ckdt is a Chilkat.CkDateTime
Set ckdt = cert.GetValidToDt()
Response.Write "<pre>" & Server.HTMLEncode( "Valid to: " & ckdt.GetAsTimestamp(1)) & "</pre>"
' Valid to: 2020-03-18T18:59:59-05:00
' dt is a Chilkat.DtObj
Set dt = ckdt.GetDtObj(1)
Response.Write "<pre>" & Server.HTMLEncode( dt.Day & "/" & dt.Month & "/" & dt.Year & "  " & dt.Hour _
     & ":" & dt.Minute) & "</pre>"


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