(Lianja) CSR Get Extension Request

See more CSR Examples

If a CSR contains a 1.2.840.113549.1.9.14 extensionRequest, then this method will return the extension request in XML format.

Note: This example requires Chilkat v9.5.0.91 or greater.

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// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loCsr = createobject("CkCsr")

// Load a CSR PEM file.  The file should contain content that looks like this:
// 
// 	-----BEGIN CERTIFICATE REQUEST-----
// 	MII...
// 	....
// 	....
// 	....
// 	-----END CERTIFICATE REQUEST-----

loFac = createobject("CkFileAccess")
lcCsrPem = loFac.ReadEntireTextFile("qa_data/csr/sample.pem","utf-8")

llSuccess = loCsr.LoadCsrPem(lcCsrPem)
if (llSuccess <> .T.) then
    ? loCsr.LastErrorText
    release loCsr
    release loFac
    return
endif

loXml = createobject("CkXml")

llSuccess = loCsr.GetExtensionRequest(loXml)
if (llSuccess <> .T.) then
    ? "CSR has no extensionRequest."
    release loCsr
    release loFac
    release loXml
    return
endif

lcXmlStr = loXml.GetXml()
? lcXmlStr

// Sample output:

// <?xml version="1.0" encoding="utf-8"?>
// <set>
//     <sequence>
//         <sequence>
//             <oid>1.3.6.1.4.1.311.20.2</oid>
//             <asnOctets>
//                 <printable>ZATCA-Code-Signing</printable>
//             </asnOctets>
//         </sequence>
//         <sequence>
//             <oid>2.5.29.17</oid>
//             <asnOctets>
//                 <sequence>
//                     <contextSpecific tag="4" constructed="1">
//                         <sequence>
//                             <set>
//                                 <sequence>
//                                     <oid>2.5.4.4</oid>
//                                     <utf8>334623324234325</utf8>
//                                 </sequence>
//                             </set>
//                             <set>
//                                 <sequence>
//                                     <oid>0.9.2342.19200300.100.1.1</oid>
//                                     <utf8>310122393500003</utf8>
//                                 </sequence>
//                             </set>
//                             <set>
//                                 <sequence>
//                                     <oid>2.5.4.12</oid>
//                                     <utf8>0000</utf8>
//                                 </sequence>
//                             </set>
//                             <set>
//                                 <sequence>
//                                     <oid>2.5.4.26</oid>
//                                     <utf8>Sample E</utf8>
//                                 </sequence>
//                             </set>
//                             <set>
//                                 <sequence>
//                                     <oid>2.5.4.15</oid>
//                                     <utf8>Sample Business</utf8>
//                                 </sequence>
//                             </set>
//                         </sequence>
//                     </contextSpecific>
//                 </sequence>
//             </asnOctets>
//         </sequence>
//     </sequence>
// </set>

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


release loCsr
release loFac
release loXml