Class APDU

Class implementing support for command and response APDUs
Defined in: APDU.js.

Class Summary
Constructor Attributes	Constructor Name and Description
	APDU(command, cla, ins, p1, p2, data, Ne) Create an APDU This constructor supports the signatures APDU(ByteString command) APDU(Number cla, Number ins, Number p1, Number p2) APDU(Number cla, Number ins, Number p1, Number p2, data) APDU(Number cla, Number ins, Number p1, Number p2, data, Ne)

Method Summary
Method Attributes	Method Name and Description
	fromByteString(bs) Create an APDU object from the encoded form (Called internally)
	getCData() Gets the command data
	getCDataAsTLVList() Gets the command data as a list of TLV objects
	getCLA() Gets the class byte
	getCommandAPDU() Get encoded command APDU
	getINS() Gets the instruction byte
	getNe() Gets the number of expected bytes
	getP1() Gets the P1 byte
	getP2() Gets the P2 byte
	getRData() Get the response data
	getResponseAPDU() Get encoded response APDU
	getSecureChannel() Return the secure channel, if any
	getSW() Get the status word
	hasCData() Check if APDU has command data
	hasLe() Check if APDU has Le field
	hasRData() Check if APDU has response data
	hasSecureChannel() Test if a secure channel is defined for this APDU
	isAuthenticatedHeader() Test if command is send using secure messaging
	isChained() Test if command chaining is indicated
	isExtendedLength() Test if command uses extended length
	isISO() Test if command is an ISO command
	isSecureMessaging() Test if command is send using secure messaging
	setCData(cdata) Set the command data
	setCLA(cla) Sets the class byte, e.g.
	setRData(data) Sets the response data field for the response APDU
	setSecureChannel(secureChannel) Set secure channel object to be used in wrap and unwrap methods
	setSW(sw) Sets the status word for the response ADPU
<static>	APDU.test() Simple unit test
	toString() Return a human readable form of this object
	unwrap() Unwrap APDU using secure channel
	wrap() Wrap APDU using secure channel

Class Detail

APDU(command, cla, ins, p1, p2, data, Ne)

Create an APDU

This constructor supports the signatures

APDU(ByteString command)
APDU(Number cla, Number ins, Number p1, Number p2)
APDU(Number cla, Number ins, Number p1, Number p2, data)
APDU(Number cla, Number ins, Number p1, Number p2, data, Ne)

Parameters:
{ByteString} command: the command APDU
{Number} cla: the class byte
{Number} ins: the instruction byte
{Number} p1: the first parameter
{Number} p2: the second parameter
{ByteString} data: the data field (optional)
{Number} Ne: the number of expected bytes (optional)

Method Detail

fromByteString(bs)

Create an APDU object from the encoded form (Called internally)

Parameters:
{ByteString} bs

{ByteString} getCData()

Gets the command data

Returns:: the command data, if any else undefined

{TLVList} getCDataAsTLVList()

Gets the command data as a list of TLV objects

Returns:: the command data as TLV list, if any else undefined

{Number} getCLA()

Gets the class byte

Returns:: the class byte

{ByteString} getCommandAPDU()

Get encoded command APDU

Returns:: the encoded command APDU

{Number} getINS()

Gets the instruction byte

Returns:: the instruction byte

{Number} getNe()

Gets the number of expected bytes

Returns:: the number of expected bytes or undefined

{Number} getP1()

Gets the P1 byte

Returns:: the P1 byte

{Number} getP2()

Gets the P2 byte

Returns:: the P2 byte

{ByteString} getRData()

Get the response data

Returns:: the response data

{ByteString} getResponseAPDU()

Get encoded response APDU

Returns:: the encoded response APDU

{SecureChannel} getSecureChannel()

Return the secure channel, if any

Returns:: the secure channel

{Number} getSW()

Get the status word

Returns:: the status word

{boolean} hasCData()

Check if APDU has command data

Returns:: true if command APDU has data field

{boolean} hasLe()

Check if APDU has Le field

Returns:: true if command APDU has Le field

{boolean} hasRData()

Check if APDU has response data

Returns:: true if response APDU has data field

{boolean} hasSecureChannel()

Test if a secure channel is defined for this APDU

Returns:: true, if secure channel is set

{boolean} isAuthenticatedHeader()

Test if command is send using secure messaging

Returns:: true if secure messaging is using an authenticated header

{boolean} isChained()

Test if command chaining is indicated

Returns:: true if chaining bit is set

{boolean} isExtendedLength()

Test if command uses extended length

Returns:: true if APDU uses extended length

{boolean} isISO()

Test if command is an ISO command

Returns:: true if command has ISO class byte

{boolean} isSecureMessaging()

Test if command is send using secure messaging

Returns:: true if secure messaging is indicated in CLA byte

setCData(cdata)

Set the command data

Parameters:
{ByteString} cdata: the command data

setCLA(cla)

Sets the class byte, e.g. after a transformation

Parameters:
cla

setRData(data)

Sets the response data field for the response APDU

Parameters:
{ByteString} data: the response data field

setSecureChannel(secureChannel)

Set secure channel object to be used in wrap and unwrap methods

Parameters:
{SecureChannel} secureChannel: the channel

setSW(sw)

Sets the status word for the response ADPU

Parameters:
{Number} sw: the status word

<static> APDU.test()

Simple unit test

toString()

Return a human readable form of this object

unwrap()

Unwrap APDU using secure channel

wrap()

Wrap APDU using secure channel

Classes

Class APDU