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(AutoIt) Load Certificate from Smart Card by Key UsageSee more Certificates ExamplesYou may have a smartcard or USB token that contains only 2 certificates, one for signing, and one for authentication, and you wish to load the certificate for signing. This example demonstrates how to load the 1st certificate found on a smartcard that matches the intended key usage.
; This example requires the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. $oCert = ObjCreate("Chilkat_9_5_0.Cert") ; If you know the smart card PIN, set it prior to loading from the smartcard/USB token. $oCert.SmartCardPin = "12345678" ; To load a certificate matching an intended key usage, specify the type of usage as shown below. ; ; The possible key usage keywords are: ; ; digitalsignature ; Use when the public key is used with a digital signature mechanism to support security services other than non-repudiation, certificate signing, or CRL signing. ; A digital signature is often used for entity authentication and data origin authentication with integrity. ; nonrepudiation ; When a digital certificate's key usage includes "nonrepudiation," it implies that the certificate and its associated private key can be used to ; create digital signatures that provide proof of the origin and integrity of the signed data, and the signer cannot later deny having signed the data. ; Other less common usages: ; certificatesigning ; keyencipherment ; dataencipherment ; crlsigning ; secureemail ; serverauthentication ; clientauthentication ; codesigning ; timestamping Local $bSuccess = $oCert.LoadFromSmartcard("keyusage=nonrepudiation") If ($bSuccess = False) Then ConsoleWrite($oCert.LastErrorText & @CRLF) ConsoleWrite("Certificate not loaded." & @CRLF) Exit EndIf ConsoleWrite("Found: " & $oCert.SubjectDN & " serial=" & $oCert.SerialNumber & @CRLF) |
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