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cryptix.pki
Class KeyID  

java.lang.Object
  cryptix.pki.KeyID

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public abstract class KeyID

extends java.lang.Object

A KeyID is an identification of a key, usually by a hash.

Version:

$Revision: 1.2 $

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Field Summary
private  int	cachedHashCode           Cache the hashcode
private  boolean	isHashCodeCached
private  java.lang.String	type

 

Constructor Summary
protected	KeyID(java.lang.String type)           Create a new KeyID object with the given type.

 

Method Summary
abstract  java.lang.Object	clone()           Return a clone of this object
abstract  boolean	equals(java.lang.Object other)           Do an equality comparison.
abstract  byte[]	getBytes()           Returns the full keyID as a byte array.
abstract  byte[]	getBytes(int len)           Returns a byte array of len bytes containing a reduced keyID.
abstract  int	getLength()           Returns the length of the contained KeyID.
java.lang.String	getType()           Returns the type of this keyID.
int	hashCode()           Returns a hashCode for this object based on the byte[]s returned by getBytes(4).
abstract  boolean	match(java.security.Key other)           Matches this keyID to a key.
abstract  boolean	match(KeyID other)           Matches this keyID to another.

 

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

type

private final java.lang.String type

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cachedHashCode

private transient int cachedHashCode

Cache the hashcode

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isHashCodeCached

private transient boolean isHashCodeCached

Constructor Detail

KeyID

protected KeyID(java.lang.String type)

Create a new KeyID object with the given type.

Method Detail

hashCode

public int hashCode()

Returns a hashCode for this object based on the byte[]s returned by getBytes(4).

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getType

public final java.lang.String getType()

Returns the type of this keyID.

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clone

public abstract java.lang.Object clone()

Return a clone of this object

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getLength

public abstract int getLength()

Returns the length of the contained KeyID.

This is the maximum number of bytes the getBytes(int) method can return.

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getBytes

public abstract byte[] getBytes()

Returns the full keyID as a byte array.

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getBytes

public abstract byte[] getBytes(int len)

Returns a byte array of len bytes containing a reduced keyID.

This method reduces the output of getBytes() in a format specific way to len bytes.

E.g. for OpenPGP getBytes(4) and getBytes(8) would return the 32-bit and 64-bit key ID's, being the least significant bits of the full 160-bit fingerprint.

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equals

public abstract boolean equals(java.lang.Object other)

Do an equality comparison.

Note that this is an exact equality match. See the match(...) methods for if you want to match partial keyID's.

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match

public abstract boolean match(KeyID other)

Matches this keyID to another.

This method differs from equals in that it can do a reduced match: if for example only 32 bits are available in one keyID, while 160 bits are available in the other, then this method can still return true if the 32 bits match.

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match

public abstract boolean match(java.security.Key other)

Matches this keyID to a key.

This method differs from equals in that it can do a reduced match: if for example only 32 bits are available in this keyID, while the full keyID of a key is 160 bits, then this method can still return true if the 32 bits match.

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