Example usage for javax.smartcardio ResponseAPDU getData

List of usage examples for javax.smartcardio ResponseAPDU getData

  1. HOME
  2. Java
  3. javax
  4. javax.smartcardio.*
  5. ResponseAPDU
  6. getData

Introduction

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

Prototype

public byte[] getData()

Source Link

Document

Returns a copy of the data bytes in the response body.

Usage

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

/**
 * //from ww  w .ja  v a2s .  com
 * @param pin
 * @param counterID
 * @return the 7-byte stream keyID || index || threshold || cursor(4 bytes).
 */
private byte[] readCounter(int pin, int counterID) {
    byte[] data = new byte[5];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    data[4] = (byte) counterID;
    ByteBuffer buf = ByteBuffer.allocate(11);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.readCounter, 0, 0, 5 });
    buf.put(data);
    buf.put((byte) 7);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for readCounter: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from readCounter: " + response);
        System.out.println("With data: " + Arrays.toString(response.getData()));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData();
        } else {
            return null;
        }
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }
}

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

/**
  * //from w ww  . j av  a  2  s .c o  m
  * @param pin
  * @param credentialID
  * @return byte array containing: issuerID || size(v) [2 bytes] || size(kv) [2 bytes] || status || prescount
  */
private byte[] readCredential(int pin, int credentialID) {
    byte[] data = new byte[5];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    data[4] = (byte) credentialID;
    ByteBuffer buf = ByteBuffer.allocate(11);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.readCredential, 0, 0, 5 });
    buf.put(data);
    buf.put((byte) 7);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for readCredential: " + Arrays.toString(buf.array()));
        System.out.println("Reading the on-board credential with ID=" + credentialID);
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from readCredential: " + response);
        System.out.println("With the data: " + Arrays.toString(response.getData()));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData();
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    return null;
}

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

/**
 * @param pin//from w w w  . j  a va  2s. c om
 * @param issuerID
 * @return byte array containing: groupID || genID1 || genID2 || numpres || counterID
 */
private byte[] readIssuer(int pin, int issuerID) {
    if (cachedIssuerByteArray.containsKey(issuerID)) {
        byte[] cached = cachedIssuerByteArray.get(issuerID);
        System.out.println("ReadIssuer - use cached : " + (cached == null ? null : Arrays.toString(cached)));
        return cached;
    }

    byte[] data = new byte[5];
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    data[4] = (byte) issuerID;
    ByteBuffer buf = ByteBuffer.allocate(11);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.readIssuer, 0, 0, 5 });
    buf.put(data);
    buf.put((byte) 5);
    buf.position(0);
    try {
        if (printInput)
            System.out.println("Input for readIssuer: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from readIssuer: " + response);
        System.out.println("With the data: " + Arrays.toString(response.getData()));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            cachedIssuerByteArray.put(issuerID, response.getData());
            return response.getData();
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    cachedIssuerByteArray.put(issuerID, null);
    return null;
}

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

@Override
public int pinTrialsLeft() {
    try {/*www. j  av a  2  s . co  m*/
        ResponseAPDU response = this
                .transmitCommand(new CommandAPDU(this.ABC4TRUSTCMD, this.pinTrialsLeft, 0, 0, 1));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData()[0];
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    return -1;
}

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

@Override
public int pukTrialsLeft() {
    try {/*w  w  w. j  av a2 s.  co m*/
        ResponseAPDU response = this
                .transmitCommand(new CommandAPDU(this.ABC4TRUSTCMD, this.pukTrialsLeft, 0, 0, 1));
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData()[0];
        }
    } catch (CardException e) {
        e.printStackTrace();
    }
    return -1;
}

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  w w w.  j a  v  a 2 s .  com*/
    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;
}

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

public int getMode() {
    try {//from   w  w  w.  jav  a 2 s. c  o m
        ByteBuffer buf = ByteBuffer.allocate(5);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.getMode, 0, 0, 1 });
        buf.position(0);
        System.out.println("Input to GetMode: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Reponse from getMode: " + response);
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData()[0];
        }
    } catch (CardException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return -1;
}

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

public byte[] getChallenge(int size) {
    //TODO: Make this work for challenge sizes of 256 (or 0)
    if ((size > 256) || (size < 1)) {
        System.err.println("Argument 'size' for getChallenge should be in the range [1,256]");
        return null;
    }//from  w  w  w. j  a va2s .  co m
    try {
        int realSize = size;
        if (realSize == 256) {
            realSize = 0;
        }
        ByteBuffer buf = ByteBuffer.allocate(7);
        System.out.println("Le: " + (byte) size);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.getChallenge, 0, 0, 1, (byte) realSize, 0 });
        buf.position(0);
        System.out.println("Input for getChallenge: " + Arrays.toString(buf.array()));
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from getChallenge: " + response);
        if (this.evaluateStatus(response) == SmartcardStatusCode.OK) {
            return response.getData();
        } else {
            return null;
        }
    } catch (CardException e) {
        return null;
    }
}

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

@Override
public ZkProofResponse finalizeZkProof(int pin, byte[] challengeHashPreimage, Set<URI> credentialIDs,
        Set<URI> scopeExclusivePseudonyms, byte[] nonceCommitment) {
    byte[] data = new byte[4 + 1 + 1 + 16 + challengeHashPreimage.length]; //pin, prooverID, d which is the number of proofs, proofsession and h
    System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
    data[4] = 1; //TODO: ProoverID - Hardcoded for now
    data[5] = 1; //number of proofs - hardcoded to 1 for pilot.
    System.out.println("nonce length: " + nonceCommitment.length);
    System.out.println("data length: " + data.length);
    System.arraycopy(nonceCommitment, 0, data, 6, 16);
    System.arraycopy(challengeHashPreimage, 0, data, 4 + 1 + 1 + 16, challengeHashPreimage.length);

    ByteBuffer buf = ByteBuffer.allocate(7 + data.length);
    buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.startResponses, 0, 0, 0 });
    buf.put(this.intLengthToShortByteArr(data.length));
    buf.put(data);//from   w ww.  j a va 2  s.  co m
    buf.position(0);
    if (printInput)
        System.out.println("Input for startResponses: " + Arrays.toString(buf.array()));
    try {
        ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
        System.out.println("Response from startResponses: " + response);
        System.out.println("And this is the output: " + Arrays.toString(response.getData()));
        if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
            return null;
        }
    } catch (CardException e) {
        e.printStackTrace();
        return null;
    }

    ZkProofResponse zkpr = new ZkProofResponse();

    zkpr.responseForDeviceSecret = this.computeDevicePublicKeyResponse(pin);

    //For Get issuance response
    for (URI uri : credentialIDs) {
        byte credID = this.getCredentialIDFromUri(pin, uri);
        byte[] credInfo = readCredential(pin, credID);
        byte status = credInfo[5];
        String command = "getIssuanceResponse";
        byte issueOrPresent = this.getIssuanceResponse;
        if (status >= 2) {
            System.out.println("Presentation. Status: " + status);
            //credential has already been issued, so we want to present response.
            command = "getPresentationResponse";
            issueOrPresent = this.getPresentationResponse;
        }
        buf = ByteBuffer.allocate(14);
        buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, issueOrPresent, 0, 0, 0, 0, 5 });
        buf.put(this.pinToByteArr(pin));
        buf.put(credID);
        buf.put(new byte[] { 0, 0 });
        buf.position(0);
        try {
            if (printInput)
                System.out.println("Input for " + command + ": " + Arrays.toString(buf.array()));
            ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
            System.out.println("Response from " + command + ": " + response);
            if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
                return null;
            }
            System.out.println("data returned: size: " + response.getData().length + " value: "
                    + Arrays.toString(response.getData()));
            byte[] zx = new byte[response.getNr() / 2];
            byte[] zv = new byte[response.getNr() / 2];
            System.arraycopy(response.getData(), 0, zx, 0, zx.length);
            System.arraycopy(response.getData(), zx.length, zv, 0, zv.length);
            System.out.println("zx: " + Arrays.toString(zx));
            System.out.println("zv: " + Arrays.toString(zv));
            zkpr.responseForCourses.put(uri, new BigInteger(1, zv));
            zkpr.responseForDeviceSecret = new BigInteger(1, zx);
        } catch (CardException e) {
            e.printStackTrace();
            return null;
        }
    }

    return zkpr;
}

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

public SmartcardStatusCode issueCredentialOnSmartcard(int pin, byte credID) {
    byte[] credInfo = this.readCredential(pin, credID);
    byte status = credInfo[5];
    if (status == 0) {
        try {/*ww w .j  a  v  a  2 s  . c o  m*/
            //Start commitments
            byte[] data = new byte[5];
            System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
            data[4] = 1; //ProverID - TODO: hardcoded to 1 as of now. Assuming there can be only 1 for the pilot
            ByteBuffer buf = ByteBuffer.allocate(11);
            buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.startCommitments, 0, 0, 5 });
            buf.put(data);
            buf.put((byte) 16);
            buf.position(0);
            if (printInput)
                System.out.println("Input for startCommitments: " + Arrays.toString(buf.array()));
            ResponseAPDU response = this.transmitCommand(new CommandAPDU(buf));
            System.out.println("Response from startCommitments: " + response);
            System.out.println("And this is the output: " + Arrays.toString(response.getData()));
            byte[] proofSession = response.getData();
            if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
                return this.evaluateStatus(response);
            }

            //Issue the credential
            buf = ByteBuffer.allocate(14);
            buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, getIssuanceCommitment, 0, 0, 0, 0, 5 });
            buf.put(this.pinToByteArr(pin));
            buf.put(credID);
            buf.put(new byte[] { 0, 0 });
            buf.position(0);

            if (printInput)
                System.out.println("Input for getIssuanceCommitment: " + Arrays.toString(buf.array()));
            response = this.transmitCommand(new CommandAPDU(buf));
            System.out.println("Response from getIssuanceCommitment: " + response);
            if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
                return this.evaluateStatus(response);
            }

            //Start responses
            data = new byte[4 + 1 + 1 + 16 + 1]; //pin, prooverID, d which is the number of proofs, proofsession and h
            System.arraycopy(this.pinToByteArr(pin), 0, data, 0, 4);
            data[4] = 1; //TODO: ProoverID - Hardcoded for now
            data[5] = 1; //number of proofs - hardcoded to 1 for pilot.
            System.arraycopy(proofSession, 0, data, 6, 16);

            buf = ByteBuffer.allocate(7 + data.length);
            buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, this.startResponses, 0, 0, 0 });
            buf.put(this.intLengthToShortByteArr(data.length));
            buf.put(data);
            buf.position(0);
            if (printInput)
                System.out.println("Input for startResponses: " + Arrays.toString(buf.array()));
            response = this.transmitCommand(new CommandAPDU(buf));
            System.out.println("Response from startResponses: " + response);
            if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
                return this.evaluateStatus(response);
            }

            //Set status of cred to 2 - issued finalized
            buf = ByteBuffer.allocate(14);
            buf.put(new byte[] { (byte) this.ABC4TRUSTCMD, getIssuanceResponse, 0, 0, 0, 0, 5 });
            buf.put(this.pinToByteArr(pin));
            buf.put(credID);
            buf.put(new byte[] { 0, 0 });
            buf.position(0);
            if (printInput)
                System.out.println("Input for getIssuanceResponse: " + Arrays.toString(buf.array()));
            response = this.transmitCommand(new CommandAPDU(buf));
            System.out.println("Response from getIssuanceResponse: " + response);
            if (this.evaluateStatus(response) != SmartcardStatusCode.OK) {
                return this.evaluateStatus(response);
            }
            credInfo = this.readCredential(pin, credID);
            status = credInfo[5];
            System.out.println(
                    "After issuing the credential with ID " + credID + ", it now has status: " + status);
        } catch (CardException e) {
            throw new RuntimeException("issueCred on smartcard failed.", e);
        }
    } else {
        System.out.println("Warn: Credential on sc attempted issued, but was already issued");
    }
    return SmartcardStatusCode.OK;
}