Package net.i2p.data

Class SessionKey

java.lang.Object

net.i2p.data.SimpleDataStructure

net.i2p.data.SessionKey

All Implemented Interfaces:

DataStructure

Direct Known Subclasses:

SessionKeyAndNonce

public class SessionKey
extends SimpleDataStructure

Defines the SessionKey as defined by the I2P data structure spec. A session key is a 32 byte Integer. To create one with random data, use I2PAppContext.keyGenerator().generateSessionKey().

Author:

jrandom

Field Summary

Fields

Modifier and Type	Field	Description
static final SessionKey	INVALID_KEY	A key with all zeroes in the data
static final int	KEYSIZE_BYTES

Fields inherited from class net.i2p.data.SimpleDataStructure

_data

Constructor Summary

Constructors

Constructor	Description
SessionKey()
SessionKey(byte[] data)

Method Summary

Modifier and Type	Method	Description
Object	getPreparedKey()	retrieve an internal representation of the session key, as known by the AES engine used.
int	length()	The legal length of the byte array in this data structure
void	setData(byte[] data)	Sets the data.
void	setPreparedKey(Object obj)

Methods inherited from class net.i2p.data.SimpleDataStructure

calculateHash, equals, fromBase64, fromByteArray, getData, hashCode, read, readBytes, toBase64, toByteArray, toString, writeBytes

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

KEYSIZE_BYTES

public static final int KEYSIZE_BYTES

See Also:

• Constant Field Values

INVALID_KEY

public static final SessionKey INVALID_KEY

A key with all zeroes in the data

Constructor Details

SessionKey

public SessionKey()

SessionKey

public SessionKey(byte[] data)

Method Details

length

public int length()

Description copied from class: SimpleDataStructure

The legal length of the byte array in this data structure

Specified by:

length in class SimpleDataStructure

setData

public void setData(byte[] data)

Sets the data.

Overrides:

setData in class SimpleDataStructure

Parameters:

data - 32 bytes, or null

Throws:

IllegalArgumentException - if data is not the legal number of bytes (but null is ok)

RuntimeException - if data already set.

getPreparedKey

public Object getPreparedKey()

retrieve an internal representation of the session key, as known by the AES engine used. this can be reused safely

setPreparedKey

public void setPreparedKey(Object obj)