ch.epfl.dedis.lib.omniledger

Class SubId

java.lang.Object

ch.epfl.dedis.lib.omniledger.SubId

All Implemented Interfaces:

HashId

public class SubId
extends Object
implements HashId

Implementation of HashId. This implementation is immutable and is can be used as key for collections

Field Summary

Fields

Modifier and Type	Field and Description
static int	length

Constructor Summary

Constructors

Constructor and Description
SubId(byte[] id)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
byte[]	getId() Return binary form of block getId used by skipchain
int	hashCode()
static SubId	one() Creates a sub ID with the first byte set to 1.
static SubId	random()
String	toString()
static SubId	zero() Creates a sub ID with all bytes set to 0.

Methods inherited from class java.lang.Object

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

Field Detail

length

public static final int length

See Also:

Constant Field Values

Constructor Detail

SubId

public SubId(byte[] id)
      throws CothorityCryptoException

Throws:

CothorityCryptoException

Method Detail

getId

public byte[] getId()

Description copied from interface: HashId

Return binary form of block getId used by skipchain

Specified by:

getId in interface HashId

Returns:

binary form of block getId

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

zero

public static SubId zero()
                  throws CothorityCryptoException

Creates a sub ID with all bytes set to 0.

Returns:

the sub ID

Throws:

CothorityCryptoException

one

public static SubId one()
                 throws CothorityCryptoException

Creates a sub ID with the first byte set to 1.

Returns:

the sub ID

Throws:

CothorityCryptoException

random

public static SubId random()
                    throws CothorityCryptoException

Throws:

CothorityCryptoException