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Dart
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 'package:chilkat/chilkat.dart';
void main() {
// 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.
final pkcs11 = CkPkcs11();
// Specify the vendor's Cryptoki module DLL / shared lib.
pkcs11.sharedLibPath = 'aetpkss1.dll';
try {
pkcs11.initialize();
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
// 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.)
final onlyTokensPresent = true;
final json = CkJsonObject();
try {
pkcs11.discover(onlyTokensPresent, json);
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
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
var id = 0;
var slotDescription = '';
var hardwareVersionMajor = 0;
var hardwareVersionMinor = 0;
var firmwareVersionMajor = 0;
var firmwareVersionMinor = 0;
var tokenLabel = '';
var tokenManufacturerID = '';
var tokenModel = '';
var tokenSerialNumber = '';
var tokenMaxSessionCount = 0;
var tokenSessionCount = 0;
var tokenMaxRwSessionCount = 0;
var tokenRwSessionCount = 0;
var tokenMaxPinLen = 0;
var tokenMinPinLen = 0;
var tokenTotalPublicMemory = 0;
var tokenFreePublicMemory = 0;
var tokenTotalPrivateMemory = 0;
var tokenFreePrivateMemory = 0;
var tokenHardwareVersionMajor = 0;
var tokenHardwareVersionMinor = 0;
var tokenFirmwareVersionMajor = 0;
var tokenFirmwareVersionMinor = 0;
var tokenUtcTime = '';
var tokenRsaMinKeySize = 0;
var tokenRsaMaxKeySize = 0;
var j = 0;
var countJ = 0;
var strVal = '';
// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
final cryptokiVersionMajor = json.intOf('cryptokiVersion.major');
final cryptokiVersionMinor = json.intOf('cryptokiVersion.minor');
var manufacturerID = json.stringOf('manufacturerID');
final libraryDescription = json.stringOf('libraryDescription');
final libraryVersionMajor = json.intOf('libraryVersion.major');
final libraryVersionMinor = json.intOf('libraryVersion.minor');
var i = 0;
final countI = json.sizeOfArray('slot');
while (i < countI) {
json.i = i;
id = json.intOf('slot[i].id');
slotDescription = json.stringOf('slot[i].slotDescription');
manufacturerID = json.stringOf('slot[i].manufacturerID');
json.boolOf('slot[i].tokenPresent');
json.boolOf('slot[i].removableDevice');
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;
countJ = json.sizeOfArray('slot[i].token.flags');
while (j < countJ) {
json.j = j;
strVal = json.stringOf('slot[i].token.flags[j]');
j++;
}
j = 0;
countJ = json.sizeOfArray('slot[i].token.mechanism');
while (j < countJ) {
json.j = j;
strVal = json.stringOf('slot[i].token.mechanism[j]');
j++;
}
i++;
}
}