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CkPython

ScMinidriver - Get Smartcard Properties

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Gets information about the smart card currently inserted in the reader (or USB token).

Chilkat CkPython Downloads

CkPython
import sys
import chilkat

success = False

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

scmd = chilkat.CkScMinidriver()

# Reader names (smart card readers or USB tokens) can be discovered
# via PCSC List Readers or PCSC Find Smart Cards
readerName = "Alcor Micro USB Smart Card Reader 0"
success = scmd.AcquireContext(readerName)
if (success == False):
    print(scmd.lastErrorText())
    sys.exit()

json = chilkat.CkJsonObject()
json.put_EmitCompact(False)

success = scmd.GetCardProperties(json)
if (success == False):
    print(scmd.lastErrorText())
    sys.exit()

print(json.emit())

# Here is sample output:
# See below for sample code to parse the JSON.
# 
# NOTE: Not all smart cards support all properties.
# The GetCardProperties method will return information for all properties supported by the card.

# {
#   "bytesAvailable": 74752,
#   "containersAvailable": 18,
#   "maxKeyContainers": 20,
#   "capabilities": {
#     "fCertificateCompression": false,
#     "fKeyGen": true
#   },
#   "keySizes": {
#     "minimumBitlen": 2048,
#     "defaultBitlen": 2048,
#     "maximumBitlen": 4096,
#     "incrementalBitlen": 1024
#   },
#   "readOnly": false,
#   "cacheMode": "global",
#   "supportsWinX509Enrollment": true,
#   "guid": "1201803d-03e6-772a-3d80-0112e6032a77",
#   "serial": "e6032a773d800112e6032a77",
#   "pins": [
#     "user",
#     "admin",
#     "role3",
#     "role4"
#   ],
#   "pin": {
#     "user": {
#       "type": "regular",
#       "purpose": "primaryCard",
#       "changePermission": [
#         "user"
#       ],
#       "unblockPermission": [
#         "admin"
#       ],
#       "cachePolicy": "normal",
#       "policyInfo": "00000000",
#       "flags": "00000000",
#       "acceptPlainTextPin": true,
#       "generateSessionPin": false
#     },
#     "admin": {
#       "type": "challenge/response",
#       "purpose": "administrator",
#       "changePermission": [
#         "admin"
#       ],
#       "cachePolicy": "normal",
#       "policyInfo": "00000000",
#       "flags": "00000000"
#     },
#     "role3": {
#       "type": "regular",
#       "purpose": "digitalSignature",
#       "changePermission": [
#         "role3"
#       ],
#       "unblockPermission": [
#         "role4"
#       ],
#       "cachePolicy": "alwaysPrompt",
#       "policyInfo": "00000000",
#       "flags": "00000000",
#       "acceptPlainTextPin": true,
#       "generateSessionPin": false
#     },
#     "role4": {
#       "type": "regular",
#       "purpose": "unblockOnly",
#       "changePermission": [
#         "role4"
#       ],
#       "cachePolicy": "normal",
#       "policyInfo": "00000000",
#       "flags": "00000000",
#       "acceptPlainTextPin": true,
#       "generateSessionPin": false
#     }
#   },
#   "importSupport": [
#     "plainText",
#     "rsaKeyest",
#     "eccKeyest",
#     "symmetric"
#   ],
#   "algorithms": [
#     "AES"
#   ],
#   "paddingSchemes": [
#     "block",
#     "pkcs1",
#     "pss",
#     "oaep"
#   ],
#   "chainingModes": [
#     "ChainingModeCBC"
#   ]
# }

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

bytesAvailable = json.IntOf("bytesAvailable")
containersAvailable = json.IntOf("containersAvailable")
maxKeyContainers = json.IntOf("maxKeyContainers")
capabilitiesFCertificateCompression = json.BoolOf("capabilities.fCertificateCompression")
capabilitiesFKeyGen = json.BoolOf("capabilities.fKeyGen")
keySizesMinimumBitlen = json.IntOf("keySizes.minimumBitlen")
keySizesDefaultBitlen = json.IntOf("keySizes.defaultBitlen")
keySizesMaximumBitlen = json.IntOf("keySizes.maximumBitlen")
keySizesIncrementalBitlen = json.IntOf("keySizes.incrementalBitlen")
readOnly = json.BoolOf("readOnly")
cacheMode = json.stringOf("cacheMode")
supportsWinX509Enrollment = json.BoolOf("supportsWinX509Enrollment")
guid = json.stringOf("guid")
serial = json.stringOf("serial")
pinUserType = json.stringOf("pin.user.type")
pinUserPurpose = json.stringOf("pin.user.purpose")
pinUserCachePolicy = json.stringOf("pin.user.cachePolicy")
pinUserPolicyInfo = json.stringOf("pin.user.policyInfo")
pinUserFlags = json.stringOf("pin.user.flags")
pinUserAcceptPlainTextPin = json.BoolOf("pin.user.acceptPlainTextPin")
pinUserGenerateSessionPin = json.BoolOf("pin.user.generateSessionPin")
pinAdminType = json.stringOf("pin.admin.type")
pinAdminPurpose = json.stringOf("pin.admin.purpose")
pinAdminCachePolicy = json.stringOf("pin.admin.cachePolicy")
pinAdminPolicyInfo = json.stringOf("pin.admin.policyInfo")
pinAdminFlags = json.stringOf("pin.admin.flags")
pinRole3Type = json.stringOf("pin.role3.type")
pinRole3Purpose = json.stringOf("pin.role3.purpose")
pinRole3CachePolicy = json.stringOf("pin.role3.cachePolicy")
pinRole3PolicyInfo = json.stringOf("pin.role3.policyInfo")
pinRole3Flags = json.stringOf("pin.role3.flags")
pinRole3AcceptPlainTextPin = json.BoolOf("pin.role3.acceptPlainTextPin")
pinRole3GenerateSessionPin = json.BoolOf("pin.role3.generateSessionPin")
pinRole4Type = json.stringOf("pin.role4.type")
pinRole4Purpose = json.stringOf("pin.role4.purpose")
pinRole4CachePolicy = json.stringOf("pin.role4.cachePolicy")
pinRole4PolicyInfo = json.stringOf("pin.role4.policyInfo")
pinRole4Flags = json.stringOf("pin.role4.flags")
pinRole4AcceptPlainTextPin = json.BoolOf("pin.role4.acceptPlainTextPin")
pinRole4GenerateSessionPin = json.BoolOf("pin.role4.generateSessionPin")
i = 0
count_i = json.SizeOfArray("pins")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pins[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.user.changePermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.user.changePermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.user.unblockPermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.user.unblockPermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.admin.changePermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.admin.changePermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.role3.changePermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.role3.changePermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.role3.unblockPermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.role3.unblockPermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("pin.role4.changePermission")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("pin.role4.changePermission[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("importSupport")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("importSupport[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("algorithms")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("algorithms[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("paddingSchemes")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("paddingSchemes[i]")
    i = i + 1

i = 0
count_i = json.SizeOfArray("chainingModes")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("chainingModes[i]")
    i = i + 1

# Delete the context when finished with the card.
success = scmd.DeleteContext()
if (success == False):
    print(scmd.lastErrorText())