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(DataFlex) ScMinidriver - List Certificates on a Smart Card or USB Token

See more ScMinidriver Examples

Gets a list of certificates contained on a smart card or USB token.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoScmd
    String sReaderName
    Boolean iSuccess
    Variant vStCerts
    Handle hoStCerts
    String sCertPart
    Integer iNumCerts
    Integer i
    String sTemp1

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

    Get Create (RefClass(cComChilkatScMinidriver)) To hoScmd
    If (Not(IsComObjectCreated(hoScmd))) Begin
        Send CreateComObject of hoScmd
    End

    // Reader names (smart card readers or USB tokens) can be discovered
    // via PCSC List Readers or PCSC Find Smart Cards
    Move "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0" To sReaderName
    Get ComAcquireContext Of hoScmd sReaderName To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoScmd To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringTable)) To hoStCerts
    If (Not(IsComObjectCreated(hoStCerts))) Begin
        Send CreateComObject of hoStCerts
    End

    // We can choose one of the following items of information to get for each certificate:
    // "subjectDN" -- Return the full distinguished name of the cert.
    // "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
    // "subjectCN" -- Return just the common name part of the certificate's subject.
    // "serial" -- Return the certificate serial number.
    // "serial:issuerCN" -- return the certificate serial number + the issuer's common name, delimited with a colon char.
    Move "subjectCN" To sCertPart

    Get pvComObject of hoStCerts to vStCerts
    Get ComListCerts Of hoScmd sCertPart vStCerts To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoScmd To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComCount Of hoStCerts To iNumCerts
    Move 0 To i
    While (i < iNumCerts)
        Get ComStringAt Of hoStCerts i To sTemp1
        Showln i ": " sTemp1
        Move (i + 1) To i
    Loop

    // Delete the context when finished with the card.
    Get ComDeleteContext Of hoScmd To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoScmd To sTemp1
        Showln sTemp1
    End



End_Procedure

 

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