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PKCS11 Find Private Key by Label

See more PKCS11 Examples

Demonstrates how to find a private key based on a user-specified label.

Note: This example requires Chilkat v9.5.0.96 or later.

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Local $bSuccess = False

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

; Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

$oPkcs11 = ObjCreate("Chilkat.Pkcs11")

; Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM.
; For example:
$oPkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS11.dll"

; Use your HSM's PIN.
Local $sPin = "0000"

; Normal user = 1
Local $iUserType = 1

; Establish a logged-on user session with the HSM.
$bSuccess = $oPkcs11.QuickSession($iUserType,$sPin)
If ($bSuccess = False) Then
    ConsoleWrite($oPkcs11.LastErrorText & @CRLF)
    Exit
EndIf

; Provide a template to find a PKCS11 object.
$oJsonTemplate = ObjCreate("Chilkat.JsonObject")

; Find an RSA private key with the label "MySshKey".
; Here's an example of how the key was originally imported: 
; PKCS11 Import SSH Key
$oJsonTemplate.UpdateString("class","private_key")
$oJsonTemplate.UpdateString("key_type","rsa")
$oJsonTemplate.UpdateString("label","MySshKey")

Local $iPrivKeyHandle = $oPkcs11.FindObject($oJsonTemplate)
If ($iPrivKeyHandle = 0) Then
    ConsoleWrite($oPkcs11.LastErrorText & @CRLF)
    Exit
EndIf

; The private key handle is only valid during the PKCS11 session.
; If you wish to use the private key in another PKCS11 session,
; you'll first need to find it.  See:  
ConsoleWrite("private key handle: " & $iPrivKeyHandle & @CRLF)

; Do whatever you wish with the private key handle...
; ...
; ...

$oPkcs11.Logout()
$oPkcs11.CloseSession()