com.iotize.android.device.relay.mqtt

Class MQTTRelayMessageEncoderDecoder

java.lang.Object

com.iotize.android.device.relay.mqtt.MQTTRelayMessageEncoderDecoder

public class MQTTRelayMessageEncoderDecoder
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	IOTIZE_MQTT_RELAY_EXPANDED_KEY_SIZE
static java.lang.String	IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SALT
static int	IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SIZE
static java.lang.String	IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SALT
static int	IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SIZE
static int	ITERATIONS_CRYPTOKEY

Constructor Summary

Constructors

Constructor and Description
MQTTRelayMessageEncoderDecoder()
MQTTRelayMessageEncoderDecoder(MQTTMessageEncoderDecoder messageAlgo)

Method Summary

Modifier and Type	Method and Description
static byte[]	computeCryptoKey(java.lang.String key)
static byte[]	computeCryptoKey(java.lang.String netKey, java.lang.String sn)
static java.lang.String	computeSubTopicKey(java.lang.String subTopicKey)
static java.lang.String	computeSubTopicKey(java.lang.String serialNumber, java.lang.String netKey)
MQTTMessagePayload	decode(MqttMessageWrapper messageWarpper)
MqttMessageWrapper	encode(MQTTMessagePayload input) [MQTT([PAYLOAD LENGTH][SENDER ID][REQUEST REFERENCE][LWMZMRESPONSE([CODERET][RESPONSEDATA])])
MQTTRelayMessageEncoderDecoder	setApduAlgo(APDUCommandEncoderDecoder apduAlgo)
MQTTRelayMessageEncoderDecoder	setCrcAlgo(CRCEncoderDecoder crcAlgo)
MQTTRelayMessageEncoderDecoder	setCryptoKey(byte[] mCryptoKey)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SALT

public static final java.lang.String IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SALT

See Also:

Constant Field Values

IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SALT

public static final java.lang.String IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SALT

See Also:

Constant Field Values

ITERATIONS_CRYPTOKEY

public static final int ITERATIONS_CRYPTOKEY

See Also:

Constant Field Values

IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SIZE

public static final int IOTIZE_MQTT_RELAY_HASH_SUBTOPIC_SIZE

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Constant Field Values

IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SIZE

public static final int IOTIZE_MQTT_RELAY_HASH_CRYPTOKEY_SIZE

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Constant Field Values

IOTIZE_MQTT_RELAY_EXPANDED_KEY_SIZE

public static final int IOTIZE_MQTT_RELAY_EXPANDED_KEY_SIZE

See Also:

Constant Field Values

Constructor Detail

MQTTRelayMessageEncoderDecoder

public MQTTRelayMessageEncoderDecoder()

MQTTRelayMessageEncoderDecoder

public MQTTRelayMessageEncoderDecoder(MQTTMessageEncoderDecoder messageAlgo)

Method Detail

setCryptoKey

public MQTTRelayMessageEncoderDecoder setCryptoKey(byte[] mCryptoKey)

setApduAlgo

public MQTTRelayMessageEncoderDecoder setApduAlgo(APDUCommandEncoderDecoder apduAlgo)

setCrcAlgo

public MQTTRelayMessageEncoderDecoder setCrcAlgo(CRCEncoderDecoder crcAlgo)

decode

public MQTTMessagePayload decode(MqttMessageWrapper messageWarpper)
                          throws java.lang.Exception

Throws:

java.lang.Exception

encode

public MqttMessageWrapper encode(MQTTMessagePayload input)
                          throws java.lang.Exception

[MQTT([PAYLOAD LENGTH][SENDER ID][REQUEST REFERENCE][LWMZMRESPONSE([CODERET][RESPONSEDATA])])

Parameters:

input - mqtt message payload

Returns:

mqtt message wrapper

Throws:

java.lang.Exception - encoding exception

computeSubTopicKey

public static java.lang.String computeSubTopicKey(java.lang.String subTopicKey)

computeCryptoKey

public static byte[] computeCryptoKey(java.lang.String key)

computeCryptoKey

public static byte[] computeCryptoKey(java.lang.String netKey,
                                      java.lang.String sn)

computeSubTopicKey

public static java.lang.String computeSubTopicKey(java.lang.String serialNumber,
                                                  java.lang.String netKey)