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Lua Requires Chilkat v9.5.0.88+

PKCS11 Discover Readers and Smart Cards / Tokens

See more PKCS11 Examples

Example showing how to discover the readers (slots) and smart cards and tokens available through a vendor's PKCS11 Cryptoki module.

Chilkat Lua Downloads

Lua
local chilkat = require("chilkat")

-- 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.

local pkcs11 = chilkat.Pkcs11.new()

-- Specify the vendor's Cryptoki module DLL / shared lib.
pkcs11.shared_lib_path = "aetpkss1.dll"

local success = pkcs11:initialize()
if not success then
    print(pkcs11.last_error_text)
    return
end

-- Call Discover to discover what's available.
-- Indicate that we only want to return slots (readers) where tokens (smart cards) are present.
-- (If the device is a USB token, such as an ePass300Auto, then by definition it has a "token" present.)
local onlyTokensPresent = true
local json = chilkat.JsonObject.new()
success = pkcs11:discover(onlyTokensPresent, json)
if not success then
    print(pkcs11.last_error_text)
    return
end

json.emit_compact = false
print(json:emit())

-- Sample JSON output.
-- Code for parsing this JSON is shown below..

-- {
--   "cryptokiVersion": {
--     "major": 2,
--     "minor": 20
--   },
--   "manufacturerID": "A.E.T. Europe B.V.",
--   "libraryDescription": "Cryptographic Token Interface",
--   "libraryVersion": {
--     "major": 3,
--     "minor": 0
--   },
--   "slot": [
--     {
--       "id": 52482,
--       "slotDescription": "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0",
--       "manufacturerID": "SCM Microsystems Inc. SCR33x USB",
--       "tokenPresent": true,
--       "removableDevice": true,
--       "hardwareSlot": true,
--       "hardwareVersion": {
--         "major": 0,
--         "minor": 0
--       },
--       "firmwareVersion": {
--         "major": 0,
--         "minor": 0
--       },
--       "token": {
--         "label": "chilkat",
--         "manufacturerID": "A.E.T. Europe B.V.",
--         "model": "19C40406010D00C0",
--         "serialNumber": "21619600583C4505",
--         "flags": [
--           "CKF_RNG",
--           "CKF_LOGIN_REQUIRED",
--           "CKF_USER_PIN_INITIALIZED",
--           "CKF_TOKEN_INITIALIZED"
--         ],
--         "maxSessionCount": 126,
--         "sessionCount": 0,
--         "maxRwSessionCount": 126,
--         "rwSessionCount": 0,
--         "maxPinLen": 15,
--         "minPinLen": 4,
--         "totalPublicMemory": 32767,
--         "freePublicMemory": 32767,
--         "totalPrivateMemory": 32767,
--         "freePrivateMemory": 32767,
--         "hardwareVersion": {
--           "major": 0,
--           "minor": 0
--         },
--         "firmwareVersion": {
--           "major": 0,
--           "minor": 0
--         },
--         "utcTime": "",
--         "rsa": {
--           "minKeySize": 768,
--           "maxKeySize": 2048
--         },
--         "mechanism": [
--           "CKM_RSA_PKCS",
--           "CKM_RSA_X_509",
--           "CKM_RSA_PKCS_OAEP",
--           "CKM_MD5_RSA_PKCS",
--           "CKM_SHA1_RSA_PKCS",
--           "CKM_SHA224_RSA_PKCS",
--           "CKM_SHA256_RSA_PKCS",
--           "CKM_SHA384_RSA_PKCS",
--           "CKM_SHA512_RSA_PKCS",
--           "CKM_RIPEMD160_RSA_PKCS",
--           "CKM_CPK_ECDSA",
--           "CKM_CPK_ECDSA_SHA1",
--           "CKM_CPK_ECIES",
--           "CKM_CPK_ECIES_STDDH_SHA1KDF_DES3CBC_PAD_SHA1HMAC",
--           "CKM_CPK_ECIES_STDDH_SHA1KDF_AES128CBC_PAD_SHA1HMAC",
--           "CKM_CPK_PKCS7_SIGNED",
--           "CKM_CPK_PKCS7_ENVELOPE_DES3CBC_PAD",
--           "CKM_RSA_PKCS_PSS",
--           "CKM_RSA_PKCS_KEY_PAIR_GEN",
--           "CKM_RC2_KEY_GEN",
--           "CKM_RC2_ECB",
--           "CKM_RC2_CBC",
--           "CKM_RC2_CBC_PAD",
--           "CKM_RC4_KEY_GEN",
--           "CKM_RC4",
--           "CKM_DES_KEY_GEN",
--           "CKM_DES2_KEY_GEN",
--           "CKM_DES3_KEY_GEN",
--           "CKM_DES_ECB",
--           "CKM_DES_CBC",
--           "CKM_DES3_ECB",
--           "CKM_DES3_CBC",
--           "CKM_DES_CBC_PAD",
--           "CKM_DES3_CBC_PAD",
--           "CKM_MD5",
--           "CKM_SHA_1",
--           "CKM_SHA224",
--           "CKM_SHA256",
--           "CKM_SHA384",
--           "CKM_SHA512",
--           "CKM_RIPEMD160"
--         ]
--       }
--     }
--   ]
-- }

-- Use this online tool to generate parsing code from sample JSON:
-- Generate Parsing Code from JSON

local id = 0
local slotDescription = ""
local tokenPresent = false
local removableDevice = false
local hardwareSlot = false
local hardwareVersionMajor = 0
local hardwareVersionMinor = 0
local firmwareVersionMajor = 0
local firmwareVersionMinor = 0
local tokenLabel = ""
local tokenManufacturerID = ""
local tokenModel = ""
local tokenSerialNumber = ""
local tokenMaxSessionCount = 0
local tokenSessionCount = 0
local tokenMaxRwSessionCount = 0
local tokenRwSessionCount = 0
local tokenMaxPinLen = 0
local tokenMinPinLen = 0
local tokenTotalPublicMemory = 0
local tokenFreePublicMemory = 0
local tokenTotalPrivateMemory = 0
local tokenFreePrivateMemory = 0
local tokenHardwareVersionMajor = 0
local tokenHardwareVersionMinor = 0
local tokenFirmwareVersionMajor = 0
local tokenFirmwareVersionMinor = 0
local tokenUtcTime = ""
local tokenRsaMinKeySize = 0
local tokenRsaMaxKeySize = 0
local j = 0
local count_j = 0
local strVal = ""

-- Use this online tool to generate parsing code from sample JSON:
-- Generate Parsing Code from JSON

local cryptokiVersionMajor = json:int_of("cryptokiVersion.major")
local cryptokiVersionMinor = json:int_of("cryptokiVersion.minor")
local manufacturerID = json:string_of("manufacturerID")
local libraryDescription = json:string_of("libraryDescription")
local libraryVersionMajor = json:int_of("libraryVersion.major")
local libraryVersionMinor = json:int_of("libraryVersion.minor")
local i = 0
local count_i = json:size_of_array("slot")
while i < count_i do
    json.i = i
    id = json:int_of("slot[i].id")
    slotDescription = json:string_of("slot[i].slotDescription")
    manufacturerID = json:string_of("slot[i].manufacturerID")
    tokenPresent = json:bool_of("slot[i].tokenPresent")
    removableDevice = json:bool_of("slot[i].removableDevice")
    hardwareSlot = json:bool_of("slot[i].hardwareSlot")
    hardwareVersionMajor = json:int_of("slot[i].hardwareVersion.major")
    hardwareVersionMinor = json:int_of("slot[i].hardwareVersion.minor")
    firmwareVersionMajor = json:int_of("slot[i].firmwareVersion.major")
    firmwareVersionMinor = json:int_of("slot[i].firmwareVersion.minor")
    tokenLabel = json:string_of("slot[i].token.label")
    tokenManufacturerID = json:string_of("slot[i].token.manufacturerID")
    tokenModel = json:string_of("slot[i].token.model")
    tokenSerialNumber = json:string_of("slot[i].token.serialNumber")
    tokenMaxSessionCount = json:int_of("slot[i].token.maxSessionCount")
    tokenSessionCount = json:int_of("slot[i].token.sessionCount")
    tokenMaxRwSessionCount = json:int_of("slot[i].token.maxRwSessionCount")
    tokenRwSessionCount = json:int_of("slot[i].token.rwSessionCount")
    tokenMaxPinLen = json:int_of("slot[i].token.maxPinLen")
    tokenMinPinLen = json:int_of("slot[i].token.minPinLen")
    tokenTotalPublicMemory = json:int_of("slot[i].token.totalPublicMemory")
    tokenFreePublicMemory = json:int_of("slot[i].token.freePublicMemory")
    tokenTotalPrivateMemory = json:int_of("slot[i].token.totalPrivateMemory")
    tokenFreePrivateMemory = json:int_of("slot[i].token.freePrivateMemory")
    tokenHardwareVersionMajor = json:int_of("slot[i].token.hardwareVersion.major")
    tokenHardwareVersionMinor = json:int_of("slot[i].token.hardwareVersion.minor")
    tokenFirmwareVersionMajor = json:int_of("slot[i].token.firmwareVersion.major")
    tokenFirmwareVersionMinor = json:int_of("slot[i].token.firmwareVersion.minor")
    tokenUtcTime = json:string_of("slot[i].token.utcTime")
    tokenRsaMinKeySize = json:int_of("slot[i].token.rsa.minKeySize")
    tokenRsaMaxKeySize = json:int_of("slot[i].token.rsa.maxKeySize")
    j = 0
    count_j = json:size_of_array("slot[i].token.flags")
    while j < count_j do
        json.j = j
        strVal = json:string_of("slot[i].token.flags[j]")
        j = j + 1
    end

    j = 0
    count_j = json:size_of_array("slot[i].token.mechanism")
    while j < count_j do
        json.j = j
        strVal = json:string_of("slot[i].token.mechanism[j]")
        j = j + 1
    end

    i = i + 1
end