Classic ASP
Get Certificate Chain Certs

Demonstrates how to get the certs in the chain of authentication for a certificate loaded from the Windows certificate store.
Chilkat Classic ASP Downloads

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Classic ASP
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<%
success = 0

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

' This example will get the SSL server certificate for tools.chilkat.io
' which we happen to have locally installed in our Windows certificate store.
success = cert.LoadByCommonName("tools.chilkat.io")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

set chain = Server.CreateObject("Chilkat.CertChain")
success = cert.BuildCertChain(chain)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

set certInChain = Server.CreateObject("Chilkat.Cert")
numCerts = chain.NumCerts
i = 0
Do While i < numCerts
    success = chain.CertAt(i,certInChain)
    Response.Write "<pre>" & Server.HTMLEncode( i + 1 & ": " & certInChain.SubjectCN) & "</pre>"

    ' Get this certificate in base64 format
    b64 = certInChain.GetEncoded()
    Response.Write "<pre>" & Server.HTMLEncode( b64) & "</pre>"

    i = i + 1
Loop

' The output of the above code is:

' 1: tools.chilkat.io
' MIIGdzCCBV+gAwIBAgIQah36/0eUf3vjWnJEqykBITANBgkqhkiG9w0BAQsFADCB
' jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
' A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
' Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB
' MB4XDTE5MDkxMjAwMDAwMFoXDTIxMTAwOTIzNTk1OVowVDEhMB8GA1UECxMYRG9t
' YWluIENvbnRyb2wgVmFsaWRhdGVkMRQwEgYDVQQLEwtQb3NpdGl2ZVNTTDEZMBcG
' A1UEAxMQdG9vbHMuY2hpbGthdC5pbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
' AQoCggEBANdVgSFZbZzl7LehEGTmXLSOCagd+f6ullW5jv5Vi79OswJZXDJm4YV3
' eotbiSCAioqdkpgH+IqK+GTh1lcHR2GPg5H3qQZiRjLvGKZGSQinhtC3XoYp2Eoh
' 7WDn4O8X9Kpj+vo2keExtp9vEpfcttSq99Fa6p/jc1MJke6SXhOxpn9AgXRhptQ7
' kBekQzVyhCshWweRoS5FdnTU45gXuqPWjiU+ZbJcErS81DHoHInO/Y4goG9ZhSBL
' K44IG/Zu6OhNod4bi6Tp+ZxrdYMPmKCM/Bv3Kv3Lk5O7z0wZ9Uwfx6hih4VT7gh1
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' vxq/uDAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggr
' BgEFBQcDAQYIKwYBBQUHAwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMG
' CCsGAQUFBwIBFhdodHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQG
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' bS9TZWN0aWdvUlNBRG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAj
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' AdZ5AgQCBIIBbQSCAWkBZwB1APZclC/RdzAiFFQYCDCUVo7jTRMZM7/fDC8gC8xO
' 8WTjAAABbSe5NSgAAAQDAEYwRAIge5XZG/r8MyMtCaq3dFIupz0HOuixpiDn7QY7
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' DQEBCwUAA4IBAQCPIum32PWfyKW5q08telvzsPRJszPmPEp7OQM7uZebcSwDs9JC
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' rlswE8OkrED07VhRMt0skT2QZsD2U6aiCkAw
' 
' 2: Sectigo RSA Domain Validation Secure Server CA
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' 
' 3: USERTrust RSA Certification Authority
' MIIFgTCCBGmgAwIBAgIQOXJEOvkit1HX02wQ3TE1lTANBgkqhkiG9w0BAQwFADB7
' MQswCQYDVQQGEwJHQjEbMBkGA1UECAwSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYD
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' aG9yaXR5MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAgBJlFzYOw9sI
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' vDoZtF+mvX2do2NCtnbyqTsrkfjib9DsFiCQCT7i6HTJGLSR1GJk23+jBvGIGGqQ
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' vGp4z7h/jnZymQyd/teRCBaho1+V
' 
' 4: AAA Certificate Services
' MIIEMjCCAxqgAwIBAgIBATANBgkqhkiG9w0BAQUFADB7MQswCQYDVQQGEwJHQjEb
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%>
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