(Swift 2) Convert CRL PEM to XML

Loads a CRL (Certificate Revocation List) from the PEM file format and converts to XML to allow for visual examination and parsing.

Note: This example requires Chilkat v9.5.0.77 or greater.

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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example requires Chilkat v9.5.0.77 or greater.
    let pem = CkoPem()

    pem.VerboseLogging = true
    var success: Bool = pem.LoadPemFile("qa_data/crl/sampleCrl.pem", password: "password_not_used")
    if success != true {
        print("\(pem.LastErrorText)")
        return
    }

    var numCrls: Int = pem.NumCrls.intValue
    var i: Int = 0

    let asn = CkoAsn()
    let xml = CkoXml()
    while i < numCrls {

        // Get the CRL as base64 (multi-line)
        var crlBase64: String? = pem.GetEncodedItem("crl", itemSubType: "", encoding: "base64_mime", index: i)
        if pem.LastMethodSuccess != true {
            print("\(pem.LastErrorText)")
            return
        }

        print("\(crlBase64!)")

        success = asn.LoadEncoded(crlBase64, encoding: "base64")
        if success != true {
            print("\(asn.LastErrorText)")
            return
        }

        // Convert ASN.1 to XML and load into xml and re-emit for pretty printing..
        xml.LoadXml(asn.AsnToXml())
        print("\(xml.GetXml())")

        // Use this online tool to generate parsing code from CRL XML: 
        // Generate Parsing Code from XML

        print("-------------------------------------")
        i = i + 1
    }


}