Example usage for javax.smartcardio CommandAPDU CommandAPDU

Introduction

In this page you can find the example usage for javax.smartcardio CommandAPDU CommandAPDU.

Prototype

public CommandAPDU(ByteBuffer apdu) 

Source Link

Document

Creates a CommandAPDU from the ByteBuffer containing the complete APDU contents (header and body).

Usage

From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

private BigInteger computeDevicePublicKeyResponse(int pin) {
    ByteBuffer buf = ByteBuffer.allocate(13);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.getDeviceResponse, 0, 0, 0, 0, 4 });
    buf.put(this.pinToByteArr(pin));
    buf.put(new byte[] { 0, 0 });
    buf.position(0);/*from www.j a va  2  s.  c om*/
    try {
        if (printInput)
            System.out.println("Input for getDeviceResponse: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from getDeviceResponse: " + response);
        System.out.println("And this is the output: " + Arrays.toString(response.getData()));
        System.out.println("which gives this BigInteger: " + new BigInteger(1, response.getData()));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return new BigInteger(1, response.getData());
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public BigInteger computeCredentialFragment(int pin, URI credentialId) {
    //fragment is equal to the public key of a credential
    if (cachedCredentialFragment.containsKey(credentialId)) {
        BigInteger cached = cachedCredentialFragment.get(credentialId);
        System.out.println("Cached getCredentialPublicKey: " + credentialId + " - " + cached);
        return cached;
    }//from w  ww  .  j a  va 2 s  .c om
    int credID = this.getCredentialIDFromUri(pin, credentialId);
    ByteBuffer buf = ByteBuffer.allocate(14);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.getCredentialPublicKey, 0, 0, 0, 0, 5 });
    buf.put(this.pinToByteArr(pin));
    buf.put((byte) credID);
    buf.put(new byte[] { 0, 0 });
    buf.position(0);
    try {
        if (printInput)
            System.out.println(
                    "Input for getCredentialPublicKey: " + credentialId + " : " + Arrays.toString(buf.array()));

        TimingsLogger.logTiming("HardwareSmartcard.transmitCommand(getCredentialPublicKey)", true);
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        TimingsLogger.logTiming("HardwareSmartcard.transmitCommand(getCredentialPublicKey)", false);

        System.out.println("Response from getCredentialPublicKey (fragment): " + response);
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            System.out.println("And this is the output: " + Arrays.toString(response.getData()));
            BigInteger credentialFragment = new BigInteger(1, response.getData());
            System.out.println("which gives this BigInteger:  " + credentialFragment);
            cachedCredentialFragment.put(credentialId, credentialFragment);
            return credentialFragment;
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardStatusCode allocateCredential(int pin, URI credentialId, URI issuerParameters) {
    byte[] credIdBytes = null;
    credIdBytes = this.uriToByteArr(credentialId);
    if (credIdBytes.length > 199) {
        return SmartcardStatusCode.REQUEST_URI_TOO_LONG;
    }//from   ww w. jav  a 2s .  c om

    byte issuerID = this.getIssuerIDFromUri(pin, issuerParameters);
    byte newCredentialID = this.getNewCredentialID(pin);
    if (newCredentialID == (byte) -1) {
        return SmartcardStatusCode.INSUFFICIENT_STORAGE;
    }
    ByteBuffer buf = ByteBuffer.allocate(11);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.setCredential, 0, 0, 6 });
    buf.put(this.pinToByteArr(pin));
    buf.put(newCredentialID);
    buf.put(issuerID);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for setCredential: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from setCredential: " + response);
        if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
            return this.evaluateStatus(response);
        }
    } catch (CardException e) {
        e.printStackTrace();
        return SmartcardStatusCode.NOT_FOUND;
    }

    //Then store the mapping from credentialURI to credentialID:
    TimingsLogger.logTiming("HardwareSmartcard.storeCredentialUriAndID", true);
    SmartcardStatusCode code = this.storeCredentialUriAndID(pin, credentialId, newCredentialID);
    TimingsLogger.logTiming("HardwareSmartcard.storeCredentialUriAndID", false);
    if (code != SmartcardStatusCode.OK) {
        System.err.println(
                "Credential stored correctly on card, but storing the Uri/ID failed with code: " + code);
        return code;
    }

    return SmartcardStatusCode.OK;
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardStatusCode deleteCredential(int pin, URI credentialId) {
    byte credID = this.getCredentialIDFromUri(pin, credentialId);
    ByteBuffer buf = ByteBuffer.allocate(10);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.removeCredential, 0, 0, 5 });
    buf.put(this.pinToByteArr(pin));
    buf.put(credID);/*from   w ww . j  a v  a2s .  co m*/
    buf.position(0);
    try {
        System.out.println("Removing credential with uri: " + credentialId);
        this.deleteBlob(pin, credentialId);
        if (credentialId.toString().startsWith(UProveCryptoEngineUserImpl.UProveCredential)) {
            URI reloadURI = URI.create(credentialId.toString() + ReloadStorageManager.URI_POSTFIX);
            if (reloadURI.toString().contains(":") && !reloadURI.toString().contains("_")) {
                reloadURI = URI.create(reloadURI.toString().replaceAll(":", "_")); //change all ':' to '_'
            }
            this.deleteBlob(pin, reloadURI);
            System.out.println("deleted the reload blob of the credential: " + reloadURI);
        }
        this.removeCredentialUri(pin, credentialId);
        if (printInput)
            System.out.println("Input for removeCredential: " + Arrays.toString(buf.array()));
        System.out.println("Trying to remove on-board credential with ID=" + credID);
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("response from RemoveCredential: " + response);
        return this.evaluateStatus(response);
    } catch (CardException e) {
        return SmartcardStatusCode.NOT_FOUND;
    }
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public int init(int newPin, SystemParameters pseuParams, RSAKeyPair rootKey, short deviceId) {
    if (this.wasInit()) {
        return -1;
    }//  w ww .j  a va2 s  .  co  m
    try {

        byte[] deviceID = ByteBuffer.allocate(2).putShort(deviceId).array();
        this.setAuthenticationKey(rootKey.getN(), 0, null);
        byte[] deviceKeySize = this.intLengthToShortByteArr(pseuParams.deviceSecretSizeBytes);
        byte[] idAndDeviceKeySize = new byte[] { deviceID[0], deviceID[1], deviceKeySize[0], deviceKeySize[1] };
        ByteBuffer buf = ByteBuffer.allocate(13);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.initializeDevice, 0, 0, 0, 0, 4 });
        buf.put(idAndDeviceKeySize);
        buf.put(new byte[] { 0, 0 });
        buf.position(0);
        if (printInput)
            System.out.println("Input to initialize device: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
            return -1;
        }
        byte[] pinAndPuk = SmartcardCrypto.decrypt(response.getData(), rootKey);
        byte[] pin = new byte[4];
        byte[] puk = new byte[8];
        System.arraycopy(pinAndPuk, 0, pin, 0, 4);
        System.arraycopy(pinAndPuk, 4, puk, 0, 8);
        String ipin = "", ipuk = "";
        for (int i = 0; i < 4; i++) {
            ipin += (char) (pin[i] & 0xFF);
        }
        for (int i = 0; i < 8; i++) {
            ipuk += (char) (puk[i] & 0xFF);
        }
        if (this.changePin(Integer.parseInt(ipin), newPin) != SmartcardStatusCode.OK) {
            System.out.println("Could not change pin.");
            return -1;
        }

        System.out.println("Now initializing group stuff");
        int mode = this.getMode();

        if (this.setGroupComponent(mode, pseuParams.p.toByteArray(), 0, 0, null) != SmartcardStatusCode.OK) {
            return -1;
        }
        if (this.setGroupComponent(mode, pseuParams.subgroupOrder.toByteArray(), 0, 1,
                null) != SmartcardStatusCode.OK) {
            return -1;
        }
        BigInteger f = pseuParams.p.subtract(BigInteger.ONE).divide(pseuParams.subgroupOrder); //cofactor
        this.setGroupComponent(mode, f.toByteArray(), 0, 2, null);

        //then add a generator of the subgroup q
        if (this.setGenerator(mode, pseuParams.g.toByteArray(), 0, 1, null) != SmartcardStatusCode.OK) {
            return -1;
        }

        //set prover
        byte[] data = new byte[5 + MAX_CREDENTIALS + 1];
        data[0] = 1; //id 1
        int ksize = pseuParams.zkChallengeSizeBytes * 2 + pseuParams.zkStatisticalHidingSizeBytes;
        byte[] ksize_bytes = this.intLengthToShortByteArr(ksize);
        data[1] = ksize_bytes[0];
        data[2] = ksize_bytes[1]; // as large as the subgroup order is -1 to prevent overflow.
        int csize = pseuParams.zkChallengeSizeBytes;
        byte[] csize_bytes = this.intLengthToShortByteArr(csize);
        data[3] = csize_bytes[0];
        data[4] = csize_bytes[1]; // challenge size: 256 bit = 32 bytes (as per default in SystemParameters)
        for (int i = 0; i <= MAX_CREDENTIALS; i++) {
            //0 means it accepts both credentials and scope-exclusive stuff.
            //1,2,3,... means it accepts credentials with id 1,2,3,...
            data[i + 5] = (byte) i;
        }
        buf = ByteBuffer.allocate(5 + data.length);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.setProver, 0, 0, (byte) data.length });
        buf.put(data);
        buf.position(0);
        System.out.println("Input to prover: " + Arrays.toString(buf.array()));
        response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from setProver: " + response);
        if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
            return -1;
        }

        //After init, one should call setIssuer which creates a group and counter.
        return Integer.parseInt(ipuk);
    } catch (CardException e) {
        e.printStackTrace();
        return -1;
    }
}

---

From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardStatusCode storeBlob(int pin, URI uri, SmartcardBlob blob) {
    //this.resetCard();

    String[] forbiddenChars = new String[] { "\u0167", ":", "*", "?", "<", ">", " ", "|" };
    if (uri.toString().contains(":") && !uri.toString().contains("_")) {
        uri = URI.create(uri.toString().replaceAll(":", "_")); //change all ':' to '_'
    } else {//ww  w . jav  a  2 s  . com
        for (int i = 0; i < forbiddenChars.length; i++) {
            if (uri.toString().contains(forbiddenChars[i])) {
                throw new RuntimeException(
                        "Cannot store a blob under a URI containing the following char: " + forbiddenChars[i]);
            }
        }
    }
    byte[] uriBytes = null;
    uriBytes = this.uriToByteArr(uri);
    if (uriBytes.length > 199) {
        return SmartcardStatusCode.REQUEST_URI_TOO_LONG;
    }

    // BLOB CACHE!
    blobCache.put(uri, blob);
    blobUrisCache.add(uri);

    //first put data from blob followed by the STORE BLOB command
    this.putData(blob.blob);

    byte[] data = new byte[4 + uriBytes.length];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    System.arraycopy(uriBytes, 0, data, 4, uriBytes.length);
    ByteBuffer buf = ByteBuffer.allocate(9 + uriBytes.length);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.storeBlob, 0, 0, (byte) data.length });
    buf.put(data);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for storeBlob: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from storeBlob: " + response);
        if ((response.getSW1() != STATUS_OK) && (response.getSW1() != STATUS_BAD_PIN)) {
            throw new InsufficientStorageException("Could not store blob. Response from card: " + response);
        }
        return this.evaluateStatus(response);
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardStatusCode deleteBlob(int pin, URI uri) {
    byte[] uriBytes = null;
    uriBytes = this.uriToByteArr(uri);
    if (uriBytes.length > 199) {
        return SmartcardStatusCode.REQUEST_URI_TOO_LONG;
    }/*from   ww w  .  j a va2 s  . c  o m*/
    // BLOB CACHE!
    blobCache.remove(uri);
    blobUrisCache.remove(uri);

    byte[] data = new byte[4 + uriBytes.length];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    System.arraycopy(uriBytes, 0, data, 4, uriBytes.length);
    ByteBuffer buf = ByteBuffer.allocate(9 + uriBytes.length);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.removeBlob, 0, 0, (byte) data.length });
    buf.put(data);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for removeBlob: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from removeBlob: " + response);
        return this.evaluateStatus(response);
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

/**
 * Returns the number of uris read, no of uris remaining to be read.
 *//* w ww .  j a va  2 s . com*/
private byte[] getBlobUrisHelper(int pin, Set<URI> uris, byte nread) {
    ByteBuffer buf = ByteBuffer.allocate(14);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.listBlobs, 0, 0, 0, 0, 5 });
    buf.put(this.pinToByteArr(pin));
    buf.put(new byte[] { nread, 0, 0 }); //first arg is how many URIs we read so far.
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for listBlobs: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from listBlobs: " + response);
        if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
            return null;
        }
        byte[] data = response.getData();
        System.out.println("data: " + Arrays.toString(data));
        int index = 0;
        while (true) {
            if ((index + 2) == data.length) {
                //at the end, so the last two bytes is the updated number of read URIs and the number of unread URIs
                //               System.out.println("data.length: " + data.length);
                //               System.out.println("index: " + index);
                nread = data[index];
                byte unread = data[index + 1];
                System.out.println("nread: " + nread);
                System.out.println("unread: " + unread);
                return new byte[] { nread, unread };
            } else {
                byte uriSize = data[index];
                byte[] uri = new byte[uriSize];
                System.arraycopy(data, index + 1, uri, 0, uriSize);
                uris.add(this.byteArrToUri(uri));
                index += uriSize + 1;
            }
        }
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardBlob getBlob(int pin, URI uri) {
    //this.resetCard();

    uri = URI.create(uri.toString().replaceAll(":", "_"));
    byte[] uriBytes = this.uriToByteArr(uri);
    if (uriBytes.length > 199) {
        throw new RuntimeException("URI is too long. Cannot have been stored on smartcard.");
    }//  ww  w  . j a  v  a 2  s  .c  om

    // BLOB CACHE!
    if (blobCache.containsKey(uri)) {
        SmartcardBlob cached = blobCache.get(uri);
        System.out.println("Cached readBlob: " + uri + " : " + cached.blob.length); // Arrays.toString(cached.blob));
        return cached;
    }
    ByteBuffer buf = ByteBuffer.allocate(9 + 4 + uriBytes.length);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.readBlob, 0, 0, 0 });
    buf.put(this.intLengthToShortByteArr(uriBytes.length + 4));
    buf.put(this.pinToByteArr(pin));
    buf.put(uriBytes);
    buf.put(new byte[] { 0, 0 });
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for readBlob: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from readBlob: " + response);
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            SmartcardBlob blob = new SmartcardBlob();
            blob.blob = response.getData();

            // BLOB CACHE!
            blobCache.put(uri, blob);
            return blob;
        } else {
            return null;
        }
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:eu.abc4trust.smartcard.HardwareSmartcard.java

@Override
public SmartcardStatusCode changePin(int pin, int newPin) {
    byte[] data = new byte[8];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    System.arraycopy(this.pinToByteArr(newPin), 0, data, 4, 4);
    try {//from  w w  w  .ja v  a2 s . c om
        ByteBuffer buf = ByteBuffer.allocate(13);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.changePin, 0, 0, 8 });
        buf.put(data);
        buf.position(0);
        if (printInput)
            System.out.println("Input for changePin: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from changePin: " + response);
        return this.evaluateStatus(response);
    } catch (CardException e) {
        e.printStackTrace();
        return SmartcardStatusCode.NOT_FOUND;
    }
}

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