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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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Local $bSuccess = False

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

$oCsr = ObjCreate("Chilkat.Csr")

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

$oFac = ObjCreate("Chilkat.FileAccess")
Local $sCsrPem = $oFac.ReadEntireTextFile("qa_data/csr/sample.pem","utf-8")

$bSuccess = $oCsr.LoadCsrPem($sCsrPem)
If ($bSuccess <> True) Then
    ConsoleWrite($oCsr.LastErrorText & @CRLF)
    Exit
EndIf

$oXml = ObjCreate("Chilkat.Xml")

$bSuccess = $oCsr.GetExtensionRequest($oXml)
If ($bSuccess <> True) Then
    ConsoleWrite("CSR has no extensionRequest." & @CRLF)
    Exit
EndIf

Local $sXmlStr = $oXml.GetXml()
ConsoleWrite($sXmlStr & @CRLF)

;  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