org.jivesoftware.smackx.omemo.elements

Class OmemoVAxolotlElement

java.lang.Object

org.jivesoftware.smackx.omemo.elements.OmemoElement

org.jivesoftware.smackx.omemo.elements.OmemoVAxolotlElement

All Implemented Interfaces:

org.jivesoftware.smack.packet.Element, org.jivesoftware.smack.packet.ExtensionElement, org.jivesoftware.smack.packet.NamedElement

public class OmemoVAxolotlElement
extends OmemoElement

An OMEMO (PreKey)WhisperMessage element.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OmemoVAxolotlElement.OmemoHeader Header element of the message.

Field Summary

Fields inherited from class org.jivesoftware.smackx.omemo.elements.OmemoElement

ENCRYPTED, HEADER, IV, KEY, PAYLOAD, PREKEY, RID, SID, TYPE_OMEMO_MESSAGE, TYPE_OMEMO_PREKEY_MESSAGE

Constructor Summary

Constructors

Constructor and Description
OmemoVAxolotlElement(OmemoVAxolotlElement.OmemoHeader header, byte[] payload) Create a new OmemoMessageElement from a header and a payload.

Method Summary

Modifier and Type	Method and Description
org.jivesoftware.smack.packet.Message	decrypt(OmemoSession<?,?,?,?,?,?,?,?,?> session, int keyId) Try to decrypt the message.
java.lang.String	getElementName()
OmemoVAxolotlElement.OmemoHeader	getHeader()
java.lang.String	getNamespace()
byte[]	getPayload() Return the payload of the message.
boolean	isKeyTransportElement()
boolean	isMessageElement()
java.lang.String	toString()
org.jivesoftware.smack.util.XmlStringBuilder	toXML()

Methods inherited from class java.lang.Object

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

Constructor Detail

OmemoVAxolotlElement

public OmemoVAxolotlElement(OmemoVAxolotlElement.OmemoHeader header,
                            byte[] payload)

Create a new OmemoMessageElement from a header and a payload.

Parameters:

header - header of the message

payload - payload

Method Detail

getHeader

public OmemoVAxolotlElement.OmemoHeader getHeader()

getPayload

public byte[] getPayload()

Return the payload of the message.

Returns:

payload

isKeyTransportElement

public boolean isKeyTransportElement()

isMessageElement

public boolean isMessageElement()

getElementName

public java.lang.String getElementName()

toXML

public org.jivesoftware.smack.util.XmlStringBuilder toXML()

getNamespace

public java.lang.String getNamespace()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

decrypt

public org.jivesoftware.smack.packet.Message decrypt(OmemoSession<?,?,?,?,?,?,?,?,?> session,
                                                     int keyId)
                                              throws CryptoFailedException,
                                                     NoRawSessionException

Try to decrypt the message. First decrypt the message key using our session with the sender. Second use the decrypted key to decrypt the message. The decrypted content of the 'encrypted'-element becomes the body of the clear text message.

Parameters:

session - OmemoSession with the sender device

keyId - the key we want to decrypt (usually our own device id)

Returns:

message as plaintext

Throws:

CryptoFailedException

NoRawSessionException