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Java

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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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.Pkcs11;

public class ChilkatExample {

    public static void main(String[] args) {
        // 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 pkcs11 = new Pkcs11();

        // Specify the vendor's Cryptoki module DLL / shared lib.
        pkcs11.setSharedLibPath("aetpkss1.dll");

        try {
            pkcs11.initialize();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            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.)
        boolean onlyTokensPresent = true;
        JsonObject json = new JsonObject();
        try {
            pkcs11.discover(onlyTokensPresent, json);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        json.setEmitCompact(false);
        System.out.println(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

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

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

        int cryptokiVersionMajor = json.intOf("cryptokiVersion.major");
        int cryptokiVersionMinor = json.intOf("cryptokiVersion.minor");
        String manufacturerID = json.stringOf("manufacturerID");
        String libraryDescription = json.stringOf("libraryDescription");
        int libraryVersionMajor = json.intOf("libraryVersion.major");
        int libraryVersionMinor = json.intOf("libraryVersion.minor");
        int i = 0;
        int count_i = json.sizeOfArray("slot");
        while (i < count_i) {
            json.setI(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.setJ(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.setJ(j);
                strVal = json.stringOf("slot[i].token.mechanism[j]");
                j = j + 1;
            }

            i = i + 1;
        }
    }
}