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(Excel) 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.

Note: This functionality was introduced in Chilkat v9.5.0.87.

Note: The ScMinidriver functionality is for Windows-only because ScMinidriver DLLs only exist on Windows. In the next version, Chilkat will be releasing a Pkcs11 class to support Linux, MacOSX, and possibly other operating systems.

Download Excel Class Modules

Chilkat Excel Class Modules

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

Dim scmd As Chilkat.ScMinidriver
Set scmd = Chilkat.NewScMinidriver

' Reader names (smart card readers or USB tokens) can be discovered
' via PCSC List Readers or PCSC Find Smart Cards

readerName = "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0"

success = scmd.AcquireContext(readerName)
If (success = False) Then
    Debug.Print scmd.LastErrorText
    Exit Sub
End If

Dim stCerts As Chilkat.StringTable
Set stCerts = Chilkat.NewStringTable

' 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.

certPart = "subjectCN"

success = scmd.ListCerts(certPart,stCerts)
If (success = False) Then
    Debug.Print scmd.LastErrorText
    Exit Sub
End If


numCerts = stCerts.Count

i = 0
Do While i < numCerts
    Debug.Print i; ": "; stCerts.StringAt(i)
    i = i + 1
Loop

' Delete the context when finished with the card.
success = scmd.DeleteContext()
If (success = False) Then
    Debug.Print scmd.LastErrorText
End If


 

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