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Classic ASP

Get Certificate Subject Part by Name or OID

Demonstrates the GetSubjectPart method where a name or OID can be passed.

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.LoadByCommonName("myCert")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

' This example demonstrates getting the SERIALNUMBER part of the subject,
' if one such part exists in the cert's subject.
' Not too many certicates include the serial number in the Subject.
' (Chilean issued certificates for SII is one such case where the SERIALNUMBER part exists within the Subject.)
serialNum = cert.GetSubjectPart("SERIALNUMBER")
If (cert.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "No SERIALNUMBER part exists.") & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( serialNum) & "</pre>"

' We could also get the part by the OID.
' See https://oidref.com/2.5.4.5 for a list of OID's in the 2.5.4.* range..
' The OID for SERIALNUMBER is "2.5.4.5"
serialNum = cert.GetSubjectPart("2.5.4.5")
If (cert.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "No SERIALNUMBER part exists.") & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( serialNum) & "</pre>"

%>
</body>
</html>