Package org.drasyl.node.handler.crypto

Class PFSArmHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelDuplexHandler

io.netty.handler.codec.MessageToMessageCodec<ArmHeader,io.netty.buffer.ByteBuf>

org.drasyl.node.handler.crypto.AbstractArmHandler

org.drasyl.node.handler.crypto.PFSArmHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler

public class PFSArmHandler
extends AbstractArmHandler

Arms (encrypt) outbound and disarms (decrypt) inbound messages. Messages that could not be (dis-)armed are dropped. Does key-exchange with ephemeral keys to achieve PFS.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	PFSArmHandler.State

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields inherited from class org.drasyl.node.handler.crypto.AbstractArmHandler

crypto, peerIdentity, session

Constructor Summary

Constructors

Modifier	Constructor	Description
	PFSArmHandler(Crypto crypto, Duration expireAfter, Duration retryInterval, int maxAgreements, Identity identity, IdentityPublicKey peerIdentity)
protected	PFSArmHandler(Crypto crypto, Identity identity, IdentityPublicKey peerIdentity, Session session, LongSupplier expireProvider, Duration retryInterval, PFSArmHandler.State state)

Method Summary

Modifier and Type	Method	Description
protected void	decode(io.netty.channel.ChannelHandlerContext ctx, ArmHeader msg, List<Object> out)
protected void	encode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf msg, List<Object> out)
protected Agreement	getAgreement(AgreementId agreementId)
protected void	inboundArmMessage(io.netty.channel.ChannelHandlerContext ctx, Object msg)
protected void	onNonAgreement(io.netty.channel.ChannelHandlerContext ctx)
protected void	removeStaleAgreement(io.netty.channel.ChannelHandlerContext ctx, Agreement agreement)

Methods inherited from class org.drasyl.node.handler.crypto.AbstractArmHandler

arm, unarm

Methods inherited from class io.netty.handler.codec.MessageToMessageCodec

acceptInboundMessage, acceptOutboundMessage, channelRead, write

Methods inherited from class io.netty.channel.ChannelDuplexHandler

bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Details

PFSArmHandler

protected PFSArmHandler(Crypto crypto,
 Identity identity,
 IdentityPublicKey peerIdentity,
 Session session,
 LongSupplier expireProvider,
 Duration retryInterval,
 PFSArmHandler.State state)

PFSArmHandler

public PFSArmHandler(Crypto crypto,
 Duration expireAfter,
 Duration retryInterval,
 int maxAgreements,
 Identity identity,
 IdentityPublicKey peerIdentity)
              throws CryptoException

Throws:

CryptoException

Method Details

encode

protected void encode(io.netty.channel.ChannelHandlerContext ctx,
 io.netty.buffer.ByteBuf msg,
 List<Object> out)
               throws Exception

Overrides:

encode in class AbstractArmHandler

Throws:

Exception

decode

protected void decode(io.netty.channel.ChannelHandlerContext ctx,
 ArmHeader msg,
 List<Object> out)
               throws Exception

Overrides:

decode in class AbstractArmHandler

Throws:

Exception

inboundArmMessage

protected void inboundArmMessage(io.netty.channel.ChannelHandlerContext ctx,
 Object msg)

Specified by:

inboundArmMessage in class AbstractArmHandler

onNonAgreement

protected void onNonAgreement(io.netty.channel.ChannelHandlerContext ctx)

Specified by:

onNonAgreement in class AbstractArmHandler

removeStaleAgreement

protected void removeStaleAgreement(io.netty.channel.ChannelHandlerContext ctx,
 Agreement agreement)

Specified by:

removeStaleAgreement in class AbstractArmHandler

getAgreement

protected Agreement getAgreement(AgreementId agreementId)

Specified by:

getAgreement in class AbstractArmHandler