Lua

ScMinidriver - List Certificates on a Smart Card or USB Token

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

local chilkat = require("chilkat")

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

local scmd = chilkat.ScMinidriver.new()

-- Reader names (smart card readers or USB tokens) can be discovered
-- via PCSC List Readers or PCSC Find Smart Cards
local readerName = "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0"
local success = scmd:acquire_context(readerName)
if not success then
    print(scmd.last_error_text)
    return
end

local stCerts = chilkat.StringTable.new()

-- 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.
local certPart = "subjectCN"

success = scmd:list_certs(certPart, stCerts)
if not success then
    print(scmd.last_error_text)
    return
end

local numCerts = stCerts.count
local i = 0
while i < numCerts do
    print(i .. ": " .. stCerts:string_at(i))
    i = i + 1
end

-- Delete the context when finished with the card.
success = scmd:delete_context()
if not success then
    print(scmd.last_error_text)
end