Examples of javax.smartcardio.CommandAPDU

javax.smartcardio.CommandAPDU
A command APDU following the structure defined in ISO/IEC 7816-4. It consists of a four byte header and a conditional body of variable length. This class does not attempt to verify that the APDU encodes a semantically valid command.
Note that when the expected length of the response APDU is specified in the {@linkplain #CommandAPDU(int,int,int,int,int) constructors}, the actual length (Ne) must be specified, not its encoded form (Le). Similarly, {@linkplain #getNe} returns the actualvalue Ne. In other words, a value of 0 means "no data in the response APDU" rather than "maximum length."
This class supports both the short and extended forms of length encoding for Ne and Nc. However, note that not all terminals and Smart Cards are capable of accepting APDUs that use the extended form.
For the header bytes CLA, INS, P1, and P2 the Java type int is used to represent the 8 bit unsigned values. In the constructors, only the 8 lowest bits of the int value specified by the application are significant. The accessor methods always return the byte as an unsigned value between 0 and 255.
Instances of this class are immutable. Where data is passed in or out via byte arrays, defensive cloning is performed. @see ResponseAPDU @see CardChannel#transmit CardChannel.transmit @since 1.6 @author Andreas Sterbenz @author JSR 268 Expert Group

   * @see org.kapott.hbci.smartcardio.DDVCardService#calculateSignature(byte[])
   */
  protected byte[] calculateSignature(byte[] data_l)
  {
    putData(0x0100,data_l);
    CommandAPDU command=new CommandAPDU(SECCOS_CLA_SM_PROPR, SECCOS_INS_READ_RECORD,
                                        (byte)0x01, (byte)((0x1B<<3)|0x04),256);
    byte[] data = receive(command);
    byte[] ret = new byte[8];
    System.arraycopy(data,12,ret,0,8);
    return ret;

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    }
    
    private void selectFile(int fid) {
        byte[] data = {(byte) ((fid >> 8) & 0xFF), (byte) (fid & 0xFF)};
        
        CommandAPDU command = new CommandAPDU(ISO7816_CLA_STD, ISO7816_INS_SELECT_FILE, 0x00, 0x0C, data);
        
        send(command);
    }

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    private byte[] readBinary(int offset, int length) {
        int p1 = (offset >> 8) & 0x7F;
        int p2 = offset & 0xFF;
        int ne = length == 0 ? 256 : length;
        
        CommandAPDU command = new CommandAPDU(ISO7816_CLA_STD, ISO7816_INS_READ_BINARY, p1, p2, ne);
        
        return receive(command);
    }

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        byte[] body = new byte[] {(byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20, 
                                  (byte) 0x20, (byte) 0x20, (byte) 0x20, (byte) 0x20};
        
        System.arraycopy(softPin, 0, body, 0, softPin.length);
        
        CommandAPDU command = new CommandAPDU(ISO7816_CLA_STD, ISO7816_INS_VERIFY,
                                              (byte) 0x00, (byte) (ISO7816_PWD_TYPE_DF | pwdId),
                                              body);
        send(command);
    }

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//        //updateRecordBySFI(0x00, idx, rawData);
    }
    
    public byte[] sign(int idx, byte[] data) {
        // MANAGE SE (activate my sig key)
        send(new CommandAPDU(ISO7816_CLA_STD, 0x22, 0x41, 0xB6 /*signature*/, new byte[]{
                        (byte) 0x84, // private key
                        (byte) 0x01, // length
                        (byte) (0x81 + idx), // kid
                        (byte) 0x83, // public key
                        (byte) 0x01, // length
                        (byte) (0x81 + idx), // kid
                        (byte) 0x80, // algorithm
                        (byte) 0x01, // length
                        (byte) 0x25  // HBCI
                        }));
        // PUT HASH
        send(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x90, 0x81, data));
        // SIGN
        return receive(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x9e, 0x9a, 256));
    }

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        return receive(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x9e, 0x9a, 256));
    }
    
    public boolean verify(int idx, byte[] data, byte[] sig) {
        // MANAGE SE (activate inst sig key)
        send(new CommandAPDU(ISO7816_CLA_STD, 0x22, 0x41, 0xB6 /*signature*/, new byte[]{
                        (byte) 0x84, // private key
                        (byte) 0x01, // length
                        (byte) (0x81 + idx), // kid
                        (byte) 0x83, // public key
                        (byte) 0x01, // length
                        (byte) (0x91 + idx), // kid
                        (byte) 0x80, // algorithm
                        (byte) 0x01, // length
                        (byte) 0x25  // HBCI
                        }));
        // PUT HASH
        send(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x90, 0x81, data));
        // VERIFY
        try {
            send(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x00, 0xa8, sig));
        } catch (HBCI_Exception e) {
            return false;
        }
        return true;
    }

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        return true;
    }
    
    public byte[] encipher(int idx, byte[] data) {
        // MANAGE SE (activate inst enc key)
        send(new CommandAPDU(ISO7816_CLA_STD, 0x22, 0x41, 0xB8 /*cipher*/, new byte[]{
                        (byte) 0x84, // private key
                        (byte) 0x01, // length
                        (byte) (0x86 + idx), // kid
                        (byte) 0x83, // public key
                        (byte) 0x01, // length
                        (byte) (0x96 + idx) // kid
                        }));
        // ENCIPHER
        byte[] buffer = receive(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x86, 0x80, data, 256));
        // strip padding indicator
        byte[] result = new byte[buffer.length - 1];
        System.arraycopy(buffer, 1, result, 0, result.length);
        return result;
    }

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        // insert padding indicator
        byte[] buffer = new byte[data.length + 1];
        buffer[0] = 0;
        System.arraycopy(data, 0, buffer, 1, data.length);
        // MANAGE SE (activate my enc key)
        send(new CommandAPDU(ISO7816_CLA_STD, 0x22, 0x41, 0xB8 /*cipher*/, new byte[]{
                        (byte) 0x84, // private key
                        (byte) 0x01, // length
                        (byte) (0x86 + idx), // kid
                        (byte) 0x83, // public key
                        (byte) 0x01, // length
                        (byte) (0x86 + idx) // kid
        }));
        // DECIPHER
        return receive(new CommandAPDU(ISO7816_CLA_STD, 0x2a, 0x80, 0x86, buffer, 256));
    }

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  {
    super.init(card);


    // Select AID
    // Kopiert aus org.kapott.hbci.ocf.CardServiceFactory.getCardType
    CommandAPDU command = new CommandAPDU((byte)0x00, (byte)0xa4, (byte)0x04, (byte)0x0c,
                                          new byte[] {(byte)0xd2, (byte)0x76,
                                                      (byte)0x00, (byte)0x00,
                                                      (byte)0x25, (byte)0x48,
                                                      (byte)0x42, (byte)0x02,
                                                      (byte)0x00});

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        SECCOS_SM_REF_INIT_DATA, (byte)0x08, data_l[0], data_l[1], 
        data_l[2], data_l[3], data_l[4], data_l[5], 
        data_l[6], data_l[7], SECCOS_SM_VALUE_LE, (byte)0x01,
        (byte)0x00};
    
    CommandAPDU command=new CommandAPDU(SECCOS_CLA_SM1, SECCOS_INS_READ_RECORD,
                                        (byte)0x01, (byte)((0x1B<<3)|0x04),
                                        body, 256);
    byte[] data = receive(command);
    byte[] ret = new byte[8];
    System.arraycopy(data,16,ret,0,8);

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