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Generate a CSR with SAN (Subject Alternative Name) Extension
See more CSR Examples
Demonstrates how to generate a private key and a Certificate Signing Request (CSR) that includes the SAN extension.Chilkat AutoIt Downloads
Local $bSuccess = False
; This requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.
; First generate an RSA private key.
; (It is also possible to create CSRs based on ECDSA private keys..)
$oRsa = ObjCreate("Chilkat.Rsa")
; Generate a random 2048-bit RSA key.
$oPrivKey = ObjCreate("Chilkat.PrivateKey")
$bSuccess = $oRsa.GenKey(2048,$oPrivKey)
If ($bSuccess = False) Then
ConsoleWrite($oRsa.LastErrorText & @CRLF)
Exit
EndIf
; Create the CSR object and set properties.
$oCsr = ObjCreate("Chilkat.Csr")
; Specify the Common Name.
$oCsr.CommonName = "mysubdomain.mydomain.com"
; Country Name (2 letter code)
$oCsr.Country = "GB"
; State or Province Name (full name)
$oCsr.State = "Yorks"
; Locality Name (eg, city)
$oCsr.Locality = "York"
; Organization Name (eg, company)
$oCsr.Company = "Internet Widgits Pty Ltd"
; Organizational Unit Name (eg, secion/division)
$oCsr.CompanyDivision = "IT"
; Email address
$oCsr.EmailAddress = "support@mydomain.com"
; Add Subject Alternative Names
; (The AddSan method is added in Chilkat v9.5.0.84)
; Call AddSan for each alternative name.
$bSuccess = $oCsr.AddSan("dnsName","mydomain.com")
$bSuccess = $oCsr.AddSan("dnsName","mysubdomain.mydomain.com")
$bSuccess = $oCsr.AddSan("ipAddress","192.168.0.123")
; Create the CSR using the private key.
Local $sPemStr = $oCsr.GenCsrPem($oPrivKey)
If ($oCsr.LastMethodSuccess <> True) Then
ConsoleWrite($oCsr.LastErrorText & @CRLF)
Exit
EndIf
; Save the private key and CSR to a files.
$oPrivKey.SavePkcs8EncryptedPemFile("password","qa_output/privKey1.pem")
$oFac = ObjCreate("Chilkat.FileAccess")
$oFac.WriteEntireTextFile("qa_output/csr1.pem",$sPemStr,"utf-8",False)
; Show the CSR.
ConsoleWrite($sPemStr & @CRLF)
; Sample output:
; -----BEGIN CERTIFICATE REQUEST-----
; MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
; bTELMAkGA1UEBhMCR0IxDjAMBgNVBAgMBVlvcmtzMQ0wCwYDVQQHDARZb3JrMSEw
; HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxCzAJBgNVBAsMAklUMSMw
; IQYJKoZIhvcNAQkBFhRzdXBwb3J0QG15ZG9tYWluLmNvbTCCASIwDQYJKoZIhvcN
; AQEBBQADggEPADCCAQoCggEBALnQ0un/wF8whk+gPuiAlf3qvx14jgAOV6Erm6EB
; H7WACPCpnKcm/8KP+7uoPiwRQaENhMeCgf45vcivl2p6aAn/spLXyEkXyw2d8wFb
; YYAGRkiz4Xf7ASJiKuwcOtORz+sSDzgtdfokHfXU1cYeFE2yQhSdLUY5fMn425+g
; KoEEsRSjSDe6AKru4+4iGNrLKd8pB9IA5/jOE139IkWlB9r5fEPD5bUTsgqXk9eb
; 68O0gc712V2eZK07N24lDmFC4bIMTD4csDWocR5hFHXj7NX7c8sOBDcpEb9mPIk4
; elxubnhkfnjhOi4J3lDHcT/0ALnbLhf9LnaiKqs+5VcVZvECAwEAAaAAMA0GCSqG
; SIb3DQEBBQUAA4IBAQC0AETLIcP3foh5nbu2hVFS8uCUNZ5hEIR1eXmYZmZoBQq2
; 26ZAoT4CZwixlggC+n7WvAXJ5Pzxpl4wLV4loTiQzaKPX1w0ERo5ZRwLy0n56oG2
; 6QG+WTViT1C8rlgtVwkCFNOXr0kSSRs8FdaPllqKxK1hxYSL7zwNpumsk39F2cDt
; vhcekvH0V3BuGrQFm3dKN/0azW6GOod9+Vq4VzSyOe3kp15oxLBsZOFOu/REujcw
; Tzu2jt1asQKUm60CZ9wNHpYepR0Ww40uP1slbehEaFDa6V8b60/tlHHmBbJ4/fy5
; hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
; -----END CERTIFICATE REQUEST-----