com.yubico.yubikit.apdu

Class Tlv

java.lang.Object

com.yubico.yubikit.apdu.Tlv

public class Tlv
extends java.lang.Object

Tag, length, Value structure that helps to parse APDU response data. This class handles simple BER-TLV encoded values where the tag consists of 1-2 bytes.

Constructor Summary

Constructors

Constructor and Description
Tlv(byte[] bytes, int dataOffset) Creates instance of Tlv
Tlv(int tag, byte[] value) Creates instance of Tlv

Method Summary

Modifier and Type	Method and Description
byte[]	getBytes()
int	getLength()
int	getOffset()
int	getTag()
byte[]	getValue()

Methods inherited from class java.lang.Object

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

Constructor Detail

Tlv

public Tlv(byte[] bytes,
           int dataOffset)

Creates instance of Tlv

Parameters:

bytes - raw bytes that needs to be converted into Tlv

dataOffset - offset within data byte array

Tlv

public Tlv(int tag,
           byte[] value)

Creates instance of Tlv

Parameters:

tag - the tag of structure

value - the value of structure

Method Detail

getTag

public int getTag()

Returns:

the tag

getValue

public byte[] getValue()

Returns:

value bytes

getLength

public int getLength()

Returns:

length of the value bytes

getOffset

public int getOffset()

Returns:

the offset where value starts from (within raw data)

getBytes

public byte[] getBytes()

Returns:

raw data of tlv blob