Chilkat2-Python
Chilkat2-Python
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.Note: This example requires Chilkat v9.5.0.88 or later.
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import sys
import chilkat2
success = False
# 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.
pkcs11 = chilkat2.Pkcs11()
# Specify the vendor's Cryptoki module DLL / shared lib.
pkcs11.SharedLibPath = "aetpkss1.dll"
success = pkcs11.Initialize()
if (success == False):
print(pkcs11.LastErrorText)
sys.exit()
# 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.)
onlyTokensPresent = True
json = chilkat2.JsonObject()
success = pkcs11.Discover(onlyTokensPresent,json)
if (success == False):
print(pkcs11.LastErrorText)
sys.exit()
json.EmitCompact = 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
# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON
cryptokiVersionMajor = json.IntOf("cryptokiVersion.major")
cryptokiVersionMinor = json.IntOf("cryptokiVersion.minor")
manufacturerID = json.StringOf("manufacturerID")
libraryDescription = json.StringOf("libraryDescription")
libraryVersionMajor = json.IntOf("libraryVersion.major")
libraryVersionMinor = json.IntOf("libraryVersion.minor")
i = 0
count_i = json.SizeOfArray("slot")
while i < count_i :
json.I = i
id = json.IntOf("slot[i].id")
slotDescription = json.StringOf("slot[i].slotDescription")
manufacturerID = json.StringOf("slot[i].manufacturerID")
tokenPresent = json.BoolOf("slot[i].tokenPresent")
removableDevice = json.BoolOf("slot[i].removableDevice")
hardwareSlot = json.BoolOf("slot[i].hardwareSlot")
hardwareVersionMajor = json.IntOf("slot[i].hardwareVersion.major")
hardwareVersionMinor = json.IntOf("slot[i].hardwareVersion.minor")
firmwareVersionMajor = json.IntOf("slot[i].firmwareVersion.major")
firmwareVersionMinor = json.IntOf("slot[i].firmwareVersion.minor")
tokenLabel = json.StringOf("slot[i].token.label")
tokenManufacturerID = json.StringOf("slot[i].token.manufacturerID")
tokenModel = json.StringOf("slot[i].token.model")
tokenSerialNumber = json.StringOf("slot[i].token.serialNumber")
tokenMaxSessionCount = json.IntOf("slot[i].token.maxSessionCount")
tokenSessionCount = json.IntOf("slot[i].token.sessionCount")
tokenMaxRwSessionCount = json.IntOf("slot[i].token.maxRwSessionCount")
tokenRwSessionCount = json.IntOf("slot[i].token.rwSessionCount")
tokenMaxPinLen = json.IntOf("slot[i].token.maxPinLen")
tokenMinPinLen = json.IntOf("slot[i].token.minPinLen")
tokenTotalPublicMemory = json.IntOf("slot[i].token.totalPublicMemory")
tokenFreePublicMemory = json.IntOf("slot[i].token.freePublicMemory")
tokenTotalPrivateMemory = json.IntOf("slot[i].token.totalPrivateMemory")
tokenFreePrivateMemory = json.IntOf("slot[i].token.freePrivateMemory")
tokenHardwareVersionMajor = json.IntOf("slot[i].token.hardwareVersion.major")
tokenHardwareVersionMinor = json.IntOf("slot[i].token.hardwareVersion.minor")
tokenFirmwareVersionMajor = json.IntOf("slot[i].token.firmwareVersion.major")
tokenFirmwareVersionMinor = json.IntOf("slot[i].token.firmwareVersion.minor")
tokenUtcTime = json.StringOf("slot[i].token.utcTime")
tokenRsaMinKeySize = json.IntOf("slot[i].token.rsa.minKeySize")
tokenRsaMaxKeySize = json.IntOf("slot[i].token.rsa.maxKeySize")
j = 0
count_j = json.SizeOfArray("slot[i].token.flags")
while j < count_j :
json.J = j
strVal = json.StringOf("slot[i].token.flags[j]")
j = j + 1
j = 0
count_j = json.SizeOfArray("slot[i].token.mechanism")
while j < count_j :
json.J = j
strVal = json.StringOf("slot[i].token.mechanism[j]")
j = j + 1
i = i + 1