Module java.security.jgss

Package javax.security.auth.kerberos

Class KerberosCredMessage

java.lang.Object

javax.security.auth.kerberos.KerberosCredMessage

All Implemented Interfaces:

Destroyable

public final class KerberosCredMessage
extends Object
implements Destroyable

This class encapsulates a Kerberos 5 KRB_CRED message which can be used to send Kerberos credentials from one principal to another.

A KRB_CRED message is defined in Section 5.8.1 of the Kerberos Protocol Specification (RFC 4120) as:

    KRB-CRED        ::= [APPLICATION 22] SEQUENCE {
            pvno            [0] INTEGER (5),
            msg-type        [1] INTEGER (22),
            tickets         [2] SEQUENCE OF Ticket,
            enc-part        [3] EncryptedData -- EncKrbCredPart
    }
 

Since:

9

Constructor Summary

Constructors

Constructor	Description
KerberosCredMessage(KerberosPrincipal sender, KerberosPrincipal recipient, byte[] message)	Constructs a KerberosCredMessage object.

Method Summary

Modifier and Type	Method	Description
void	destroy()	Destroys this object by clearing out the message.
boolean	equals(Object other)	Compares the specified object with this KerberosCredMessage for equality.
byte[]	getEncoded()	Returns the DER encoded form of the KRB_CRED message.
KerberosPrincipal	getRecipient()	Returns the recipient of this message.
KerberosPrincipal	getSender()	Returns the sender of this message.
int	hashCode()	Returns a hash code for this KerberosCredMessage.
String	toString()	Returns an informative textual representation of this KerberosCredMessage.

Methods declared in class java.lang.Object

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

Methods declared in interface javax.security.auth.Destroyable

isDestroyed

Constructor Details

KerberosCredMessage

public KerberosCredMessage(KerberosPrincipal sender,
 KerberosPrincipal recipient,
 byte[] message)

Constructs a KerberosCredMessage object.

The contents of the message argument are copied; subsequent modification of the byte array does not affect the newly created object.

Parameters:

sender - the sender of the message

recipient - the recipient of the message

message - the DER encoded KRB_CRED message

Throws:

NullPointerException - if any of sender, recipient or message is null

Method Details

getEncoded

public byte[] getEncoded()

Returns the DER encoded form of the KRB_CRED message.

Returns:

a newly allocated byte array that contains the encoded form

Throws:

IllegalStateException - if the object is destroyed

getSender

public KerberosPrincipal getSender()

Returns the sender of this message.

Returns:

the sender

Throws:

IllegalStateException - if the object is destroyed

getRecipient

public KerberosPrincipal getRecipient()

Returns the recipient of this message.

Returns:

the recipient

Throws:

IllegalStateException - if the object is destroyed

destroy

public void destroy()

Destroys this object by clearing out the message.

Specified by:

destroy in interface Destroyable

toString

public String toString()

Returns an informative textual representation of this KerberosCredMessage.

Overrides:

toString in class Object

Returns:

an informative textual representation of this KerberosCredMessage.

hashCode

public int hashCode()

Returns a hash code for this KerberosCredMessage.

Overrides:

hashCode in class Object

Returns:

a hash code for this KerberosCredMessage

See Also:

• Object.equals(java.lang.Object)
• System.identityHashCode(java.lang.Object)

equals

public boolean equals(Object other)

Compares the specified object with this KerberosCredMessage for equality. Returns true if the given object is also a KerberosCredMessage and the two KerberosCredMessage instances are equivalent. More formally two KerberosCredMessage instances are equal if they have equal sender, recipient, and encoded KRB_CRED messages. A destroyed KerberosCredMessage object is only equal to itself.

Overrides:

equals in class Object

Parameters:

other - the object to compare to

Returns:

true if the specified object is equal to this KerberosCredMessage, false otherwise.

See Also:

• Object.hashCode()
• HashMap