All Classes

Class	Description
A	A record payload (ip pointer).
AAAA	AAAA payload (an ipv6 pointer).
AbuseReason	Defines the structure for why abuse was reported either by the client to the router or by the router to the client
AbuseSeverity	Provides a severity level (larger numbers are more severe) in association with a client reporting abusive behavior to the router or the router reporting it to the client
AcceptingChannel	As this does not (yet) extend ServerSocketChannel it cannot be returned by StandardServerSocket.getChannel(), until we implement an I2P SocketAddress class.
AccessCounter	Counts connection attempts and decides if specified thresholds have been breached.
AccessFilter	A filter for incoming connections which can be configured based on access list rules.
ACKBitfield	Generic means of SACK/NACK transmission for partially or fully received messages
ACKTimer	Send an empty message if the timer expires.
Action
ActionData
ActionEvent
ActionList
ActionListener
ActionListener
ActionRequest
ActionResponse
AddressBean
AddressBook	An address book for storing human readable names mapped to base64 i2p destinations.
AddressbookBean
AddressByNameSorter
Addresses	Methods to get the local addresses, and other IP utilities
AddressType
AdvancedSettingsHandler
Advertiser
AESEngine	Dummy wrapper for AES cipher operation.
Aggregates	Deprecated. This class is deprecated.
Aggregator
ALabel
AliasedTunnelPool	A tunnel pool with its own settings and Destination, but uses another pool for its tunnels.
AllowedValue
AllowedValueList
AllowedValueRange
AMDCPUInfo	An interface for classes that provide lowlevel information about AMD CPU's
AMDInfoImpl	Moved out of CPUID.java Ref: http://en.wikipedia.org/wiki/List_of_AMD_CPU_microarchitectures
Analysis
App
AppletContext
ArcDef	Class to represent single archive definition within the RRD.
Archive	Class to represent single RRD archive in a RRD with its internal state.
Archive	Instances of this class model an archive section of an RRD file.
ArcState	Class to represent internal RRD archive state for a single datasource.
Area
Args
Argument
ArgumentData
ArgumentList
ArraySet<E>	A small, fast Set with a maximum size, backed by a fixed-size array.
ArraySet.SetFullException
ArrayUtils	ArrayUtils contains some methods that you can call to find out the most efficient increments by which to grow arrays.
AsyncFortunaStandalone	fortuna instance that tries to avoid blocking if at all possible by using separate filled buffer segments rather than one buffer (and blocking when that buffer's data has been eaten) Note that this class is not fully Thread safe! The following methods must be synchronized externally, they are not synced here or in super(): addRandomByte(), addRandomBytes(), nextByte(), nextBytes(), seed()
Attachment
Attribute
AttributeList
AuthenticateHandler
AuthToken
Axis
BackgroundChecker	Check for new mail periodically
BadLocationException
BandwidthEstimator	A Westwood bandwidth estimator
BandwidthLimitsMessage	Tell the other side the limits
Banlist	Routers are banlisted only if none of our transports can talk to them or their signed router info is completely screwy.
Banlist.Entry
BanlistRenderer	Moved from Banlist.java
BarcodeFormat	Enumerates barcode formats known to this package.
Base32	Encodes and decodes to and from Base32 notation.
Base32	Very minimal Base32 encoder.
Base64
Base64	Encodes and decodes to and from Base64 notation.
Base64	Very minimal Base64 encoder.
BaseBean	Holds methods common to several Beans.
BasePerms
BasePRNGStandalone	An abstract class to facilitate implementing PRNG algorithms.
BasicServlet	Based on DefaultServlet from Jetty 6.1.26, heavily simplified and modified to remove all dependencies on Jetty libs.
BasicServlet.HttpContent	from Jetty HttpContent.java
BatchedPreprocessor	Batching preprocessor that will briefly delay the sending of a message if it doesn't fill up a full tunnel message, in which case it queues up an additional flush task.
BatchedRouterPreprocessor	Honor the 'batchFrequency' tunnel pool setting or the 'router.batchFrequency' router config setting, and track fragmentation.
BCrypt	BCrypt implements OpenBSD-style Blowfish password hashing using the scheme described in "A Future-Adaptable Password Scheme" by Niels Provos and David Mazieres.
BDecoder	Decodes a bencoded stream to BEValues.
BEncoder
BEValue	Holds different types that a bencoded byte array can represent.
BigIntegerFieldElement	A particular element of the field \Z/(2^255-19).
BigIntegerLittleEndianEncoding
BigIntegerScalarOps
BitArray	A simple, fast array of bits, represented compactly by an array of ints internally.
BitField	Container of a byte array representing set and unset bits.
BitMatrix	Represents a 2D matrix of bits.
BlindCache	Cache of blinding data.
BlindData	Cache data for Blinding EdDSA keys.
Blinding	Utilities for Blinding EdDSA keys.
BlindingInfoMessage	Advise the router that the endpoint is blinded.
BlockFile	On-disk format: Magic number (6 bytes) Version major/minor (2 bytes) file length (long) free list start (unsigned int) is mounted (unsigned short) 0 = no, 1 = yes span size (unsigned short) block size (unsigned int) Metaindex skiplist is on page 2 Pages are 1 KB and are numbered starting from 1.
BlockfileNamingService	A naming service using the net.metanotion BlockFile database.
Blocklist	Manage blocking by IP address, in a manner similar to the Banlist, which blocks by router hash.
BlocklistEntries	One Blocklist.
BlockPair
BloomFilterIVValidator	Manage the IV validation for all of the router's tunnels by way of a big decaying bloom filter.
BloomSHA1	A Bloom filter for sets of SHA1 digests.
BloomSHA1.FilterKey	Store the (opaque) bloom filter offsets for reuse.
BootCommSystemJob	This actually boots almost everything
BootNetworkDbJob	start up the network database
BootPeerManagerJob	start up the peer manager
BorderFactory
BorderLayout
BoxLayout
BSkipLevels<K extends Comparable<? super K>,V>	On-disk format:
BSkipList<K extends Comparable<? super K>,V>	On-disk format:
BSkipSpan<K extends Comparable<? super K>,V>	On-disk format:
Buffer	Base interface for all Buffers.
BufferedStatLog	Note - if no filter is defined in stat.logFilters at startup, this class will not be instantiated - see StatManager.
BufferHolder
BuildExecutor	Single threaded controller of the tunnel creation process, spanning all tunnel pools.
BuildExecutor.Result
BuildHandler	Handle the received tunnel build message requests and replies, including sending responsses to requests, updating the lists of our tunnels and participating tunnels, and updating stats.
BuildMessageGenerator	Fill in the encrypted BuildRequestRecords in a TunnelBuildMessage
BuildMessageProcessor	Receive the build message at a certain hop, decrypt its encrypted record, read the enclosed tunnel request, decide how to reply, write the reply, encrypt the reply record, and return a TunnelBuildMessage to forward on to the next hop.
BuildReplyHandler	Decrypt the layers of a tunnel build reply message, determining whether the individual hops agreed to participate in the tunnel, or if not, why not.
BuildRequestor	Methods for creating Tunnel Build Messages, i.e.
BuildRequestRecord	As of 0.9.48, supports two formats.
BuildResponseRecord	Class that creates an encrypted tunnel build message record.
BuildTime	Get the build date as set in i2p.jar, and reasonable min and max values for the current time, to be used as sanity checks.
BuildTrustedLinksJob	For future restricted routes.
BWLimits	Connect via I2CP and ask the router the bandwidth limits.
BWLimitsMessageHandler	Handle I2CP BW replies from the router
ByteArray	Wrap up an array of bytes so that they can be compared and placed in hashes, maps, and the like.
ByteArrayStream	OutputStream to InputStream adapter.
ByteBufferBackend	A backend that store and provides access to data using a ByteBuffer, using java internal methods for long, integer and others types.
ByteCache	Cache the objects frequently used to reduce memory churn.
ByteMatrix	JAVAPORT: The original code was a 2D array of ints, but since it only ever gets assigned -1, 0, and 1, I'm going to use less memory and go with bytes.
CachedIteratorArrayList<E>	ArrayList that uses a single iterator.
CachedIteratorCollection<E>	Extend java.util.AbstractCollection to create a collection that can be iterated over without creation of a new object
CapacityCalculator	Estimate how many of our tunnels the peer can join per hour.
CDef
CDef
CDPQEntry	For CoDelPriorityQueue
CDPStatusBlock	Instances of this class model the consolidation data point status from an RRD file.
CDQEntry	For CoDelQueue
CertHelper	Dump out our local SSL certs, if any
Certificate	Defines a certificate that can be attached to various I2P structures, such as RouterIdentity and Destination, allowing routers and clients to help manage denial of service attacks and the network utilization.
CertUtil	Java X.509 certificate utilities, consolidated from various places.
ChaCha20	ChaCha20, wrapper around Noise ChaChaCore.
ChaChaCore	Implementation of the ChaCha20 core hash transformation.
ChaChaPolyCipherState	Implements the ChaChaPoly cipher for Noise.
CharacterSetECI	Encapsulates a Character Set ECI, according to "Extended Channel Interpretations" 5.3.1.1 of ISO 18004.
Checker	Controls one or more types of updates.
ChecksumException	Thrown when a barcode was successfully detected and decoded, but was not returned because its checksum feature failed.
CHMCache	A simplistic cache using a ConcurrentHashMap.
CipherState	Interface to an authenticated cipher for use in the Noise protocol.
CipherStatePair	Class that contains a pair of CipherState objects.
ClientApp	If a class started via clients.config implements this interface, it will be used to manage the client, instead of starting with main() Clients implementing this interface MUST provide the following constructor: public MyClientApp(I2PAppContext context, ClientAppManager listener, String[] args) {...} All parameters are non-null.
ClientAppConfig	Contains a really simple ClientApp "structure" and some static methods so they can be used both by LoadClientAppsJob and by the configuration page in the router console.
ClientAppManager	Notify the router of events, and provide methods for client apps to find each other.
ClientAppManagerImpl	A simple ClientAppManager that supports register/unregister only, so that client apps may find each other in AppContext.
ClientAppState	Status of a client application.
ClientConnectionRunner	Bridge the router and the client - managing state for a client.
ClientListenerRunner	Listen for connections on the specified port, and toss them onto the client manager's set of connections once they are established.
ClientManager	Coordinate connections and various tasks
ClientManagerFacade	Manage all interactions with clients
ClientManagerFacadeImpl	Base impl of the client facade
ClientMessage	Wrap a message either destined for a local client or received from one.
ClientMessageEventListener	Receive events from the client and handle them accordingly (updating the runner when necessary)
ClientMessagePool	Manage all of the inbound and outbound client messages maintained by the router.
ClientPeerSelector	Pick peers randomly out of the fast pool, and put them into tunnels ordered by XOR distance from a random key.
ClientTunnelSettings	Wrap up the client settings specifying their tunnel criteria
ClientWriterRunner	Copied from net.i2p.router.client We need a single thread that writes so we don't have issues with the Piped Streams used in InternalSocket.
ClientWriterRunner	Async writer class so that if a client app hangs, they wont take down the whole router with them (since otherwise the JobQueue would block until the client reads from their i2cp socket, causing all sorts of bad things to happen) For external I2CP connections only.
Clipboard
Clock	Alternate location for determining the time which takes into account an offset.
Clock.ClockUpdateListener
ClosedDatabaseException	Signals that the underlying database has been closed.
CloveSet	Wrap up the data contained in a GarlicMessage after being decrypted
CNAME	CNAME payload (pointer to another domain / address).
CoalesceStatsEvent	Coalesce the stats framework every minute
CodedIconRendererServlet	Serve plugin icons, at /Plugins/pluginicon?plugin=foo
CoDelBlockingQueue<E extends CDQEntry>	CoDel implementation of Active Queue Management.
CoDelPriorityBlockingQueue<E extends CDPQEntry>	CoDel implementation of Active Queue Management.
Color
CommandLine	Simple command line access to various utilities.
CommandLine	Simple command line access to various utilities.
CommandLine	Simple command line access to various utilities.
CommandLine	Simple command line access to various utilities.
CommandLine	Simple command line access to various utilities.
Comment	Store a single comment and/or rating.
CommentSet	Store comments.
CommentText
CommSystemFacade	Manages the communication subsystem between peers, including connections, listeners, transports, connection keys, etc.
CommSystemFacade.Status	Since the codes may change.
CommSystemFacadeImpl
CompleteListener	Callback for Snark events.
Component
ConcurrentHashSet<E>	Implement on top of a ConcurrentHashMap with a dummy value.
Config	Warning - static - not for use by multiple applications or prefixes
ConfigAdvancedHandler	Handler to deal with form submissions from the advanced config form and act upon the values.
ConfigAdvancedHelper
ConfigBean
ConfigClientsHandler	Saves changes to clients.config or webapps.config
ConfigClientsHelper
ConfigFamilyHandler
ConfigFamilyHelper
ConfigFile	Simple config file handler.
ConfigHomeHandler	Simple home page configuration.
ConfigKeyringHandler	Support additions via B64 Destkey, B64 Desthash, blahblah.i2p, and others supported by ConvertToHash
ConfigKeyringHelper
ConfigLoggingHandler	Handler to deal with form submissions from the logging config form and act upon the values.
ConfigLoggingHelper
ConfigNavHelper	Render the configuration menu at the top of all the config pages.
ConfigNetHandler	Handler to deal with form submissions from the main config form and act upon the values.
ConfigNetHelper	Used for both /config and /confignet
ConfigParser	Utility class providing methods to parse and write files in config file format, and subscription file format.
ConfigPeerHandler
ConfigPeerHelper
ConfigReseedHandler
ConfigReseedHelper
ConfigRestartBean	simple helper to control restarts/shutdowns in the left hand nav
ConfigServiceHandler	Handler to deal with form submissions from the service config form and act upon the values.
ConfigStatsHandler	Handler to deal with form submissions from the stats config form and act upon the values.
ConfigStatsHelper
ConfigSummaryHandler	Simple sidebar configuration.
ConfigTunnelsHandler	Handler to deal with form submissions from the tunnel config form and act upon the values.
ConfigTunnelsHelper
ConfigUIHandler	set the theme
ConfigUIHelper	Helper for /configui
ConfigUIHelper	Standalone (app context) only.
ConfigUpdateHandler
ConfigUpdateHelper
ConfigurationManager	Manage the configuration of I2PControl.
ConnectChecker	Tools to check transport compatibility.
Connection	Maintain the state controlling a streaming connection between two destinations.
ConnectionAcceptor	Accepts connections on a I2PServerSocket and routes them to PeerAcceptors.
ConnectionDataReceiver	Receive data from the MessageOutputStream, build a packet, and send it through a connection.
ConnectionHandler	Receive new connection attempts Use a bounded queue to limit the damage from SYN floods, router overload, or a slow client
ConnectionManager	Coordinate all of the connections for a single local destination.
ConnectionManager.PingNotifier	The callback interface for a pong.
ConnectionOptions	Define the current options for the con (and allow custom tweaking midstream) TODO many of these are not per-connection options, and should be migrated somewhere so they aren't copied for every connection
ConnectionPacketHandler	Receive a packet for a particular connection - placing the data onto the queue, marking packets as acked, updating various fields, etc.
ConnThrottler	Count how often we have received an incoming connection This offers basic DOS protection but is not a complete solution.
ConnThrottler	Count how often something happens with a particular peer and all peers.
ConsolePasswordManager	Manage both plaintext and salted/hashed password storage in router.config.
ConsoleUpdateManager	The central resource coordinating updates.
ConsolFun	Enumeration of available consolidation functions.
ConsolidationFunctionType	Class ConsolidationFunctionType
ConstantArea
ConstantLine
Constants
Constants
ContainerHelpers
ContentHelper
ContextHelper
Control
ControlPoint
ControlRequest
ControlResponse
ConvertToHash	Convert any kind of destination String to a hash Supported: Base64 dest Base64 dest.i2p Base64 Hash Base64 Hash.i2p Base32 Hash Base32 desthash.b32.i2p example.i2p
CoordinatorListener	Callback used when some peer changes state.
Copy	This class is used by the installer to copy files.
CoreVersion	Expose a version string.
CountingInputStream	An InputStream that implements ReadCounter.
CountingOutputStream	An OutputStream that counts how many bytes are written and returns the count via getWritten().
Country	Represents a country.
CPUID	A class for retrieveing details about the CPU using the CPUID assembly instruction.
CPUID.CPUIDResult	A class that can (amongst other things I assume) represent the state of the different CPU registers after a call to the CPUID assembly method
CPUIDCPUInfo	Moved out of CPUID.java Ref: http://en.wikipedia.org/wiki/CPUID
CPUInfo	An interface for classes that provide lowlevel information about CPU's
CreateLeaseSet2Message	Like CreateLeaseSetMessage, but supports both old and new LeaseSet types, including LS2, Meta, and Encrypted.
CreateLeaseSetMessage	Defines the message a client sends to a router when authorizing the LeaseSet
CreateRouterInfoJob	Warning - misnamed.
CreateSessionJob	Given an established connection, walk through the process of establishing the lease set.
CreateSessionMessage	Defines the message a client sends to a router when establishing a new session.
CRLEntry	One CRL.
CryptixAESEngine	Wrapper for AES cypher operation using Cryptix's Rijndael implementation.
CryptixAESKeyCache	Cache the objects used in CryptixRijndael_Algorithm.makeKey to reduce memory churn.
CryptixAESKeyCache.KeyCacheEntry	all the data alloc'ed in a makeKey call
CryptixRijndael_Algorithm	Rijndael --pronounced Reindaal-- is a variable block-size (128-, 192- and 256-bit), variable key-size (128-, 192- and 256-bit) symmetric cipher.
CryptoCheck	Moved from CryptixAESEngine and net.i2p.router.tasks.CryptoChecker.
CryptoChecker	Warn about unavailable crypto to router and wrapper logs
CryptoConstants	Prime for ElGamal from http://tools.ietf.org/html/rfc3526 Primes for DSA: Generated by TheCrypto http://article.gmane.org/gmane.comp.security.invisiblenet.iip.devel/343 See also: ECConstants, RSAConstants
CSSHelper	Copied and modded from I2PTunnel IndexBean (GPL)
CubicSplineInterpolator	Class used to interpolate datasource values from the collection of (timestamp, values) points using natural cubic spline interpolation.
Cursor
Curve	A twisted Edwards curve.
Curve25519	Implementation of the Curve25519 elliptic curve algorithm.
Curve25519DHState	Implementation of the Curve25519 algorithm for the Noise protocol.
Daemon	Main class of addressbook.
DaemonThread	A thread that waits five minutes, then runs the addressbook daemon.
Data	Generic payload class.
DatabaseEntry	Base implementation of common methods for the two data structures that are stored in the netDb, i.e.
DatabaseInfo	Encapsulates metadata about the GeoIP database.
DatabaseLookupMessage	Defines the message a router sends to another router to search for a key in the network database.
DatabaseLookupMessage.Type
DatabaseReader	Modified and simplified for I2P
DatabaseReader.Builder	Constructs a Builder for the DatabaseReader.
DatabaseSearchReplyMessage	Defines the message a router sends to another router in response to a search (DatabaseFindNearest or DatabaseLookup) when it doesn't have the value, specifying what routers it would search.
DatabaseStoreMessage	Defines the message a router sends to another router to test the network database reachability, as well as the reply message sent back.
DataChunk	Models a chunk of result data from an RRDatabase.
DataFormatException	Thrown when the data was not available to read or write a DataStructure
DataHelper	Defines some simple IO routines for dealing with marshalling data structures
DataHolder
DataImporter	An abstract class to import data from external source.
DataLoader	Callback used to fetch data
DataMessage	Defines a message containing arbitrary bytes of data This is what goes in a GarlicClove.
DataProcessor	Class which should be used for all calculations based on the data fetched from RRD files.
Datasource	Class to represent single datasource within RRD.
DataSource	Instances of this class model a data source in an RRD file.
DataSourceType	Class DataSourceType
DataStore
DataStructure	Defines the class as a standard object with particular bit representation, exposing methods to read and write that representation.
DataStructureImpl	Base implementation of all data structures
Date
DateAndFlags	A six-byte Date and 2 bytes of flags, since a Date won't encroach on the top two bytes until the year 10889.
DBHistory	History of NetDb related activities (lookups, replies, stores, etc)
DCCClientManager	Start, track, and expire the I2PTunnelDCCClients.
DCCHelper	Hooks to create and maintain DCC client and server tunnels
DeadlockDetector	Periodic check ref: https://dzone.com/articles/how-detect-java-deadlocks In routerconsole because java.lang.management is not available in Android.
Debug
DecayingBloomFilter	Series of bloom filters which decay over time, allowing their continual use for time sensitive data.
DecayingHashSet	Double buffered hash set.
Decoder
Decoder.Type
DecodingException
DecodingOutputStream	Buffering decoder, with output to a Writer.
Def
Def
DefaultHostnameVerifier	Default HostnameVerifier implementation.
DefaultIdnaTransformator
DefinitionParser	Utility class for parsing filter definitions
DelayedDeleter	Queue UIDLs for later deletion.
DelegatingDnssecRR	DS (Delegation Signer) record payload.
DelegatingDnssecRR.SharedData
Delete	This class is used by the installer to delete one or more specified files.
DeliveryInstructions	Contains the delivery instructions for garlic cloves.
DeliveryStatusMessage	Defines the message sent back in reply to a message when requested, containing the private ack id.
Description
DesktopguiTranslator
Destination	Defines an end point in the I2P network.
DestLookupMessage	Request the router look up the dest for a hash
DestReplyMessage	Response to DestLookupMessage.
DestReplyMessageHandler	Handle I2CP dest replies from the router
Destroyable	Interface for objects that implement destroying.
DestroySessionMessage	Defines the message a client sends to a router when destroying existing session.
DestTracker	Tracks the connection attempts for a given remote Destination
DetectedIP	Class returned by a FredPluginIPDetector.
Device
DeviceChangeListener
DeviceData	I2P added multiple location support
DeviceList
DevRandom	Simple /dev/random reader
DevSU3UpdateChecker	Check for an updated su3 version.
DevSU3UpdateHandler	Handles the request to update the router by firing off an EepGet call to download the latest su3 file and display the status.
DevSU3UpdateRunner	Eepget the .su3 file to the temp dir, then notify.
DHSessionKeyBuilder	Generate a new session key through a diffie hellman exchange.
DHSessionKeyBuilder.Factory
DHSessionKeyBuilder.InvalidPublicParameterException
DHSessionKeyBuilder.PrecalcRunner	Try to keep DH pairs at the ready.
DHState	Interface to a Diffie-Hellman algorithm for the Noise protocol.
DHT	Stub for KRPC
DHTNodes	All the nodes we know about, stored as a mapping from node ID to a Destination and Port.
DHTTracker	The tracker stores peers, i.e.
Dimension
DirectLookupJob	Ask a connected peer for his RI.
DirectLookupMatchJob	Override to not call failed() in setMessage(), as it will be called from runJob()
DirKeyRing	Simple storage of each cert in a separate file in a directory.
DisconnectMessage	Defines the message a client sends to a router when destroying existing session.
DisconnectMessageHandler	Handle I2CP disconnect messages from the router
Dispatcher	Dispatcher for JSON-RPC 2.0 requests and notifications.
Disposer
DLV	DLV record payload.
DNAME	A DNAME resource record.
DNSKEY	DNSKEY record payload.
DnsLabel	A DNS label is an individual component of a DNS name.
DnsLabel.LabelToLongException
DnsMessage	A DNS message as defined by RFC 1035.
DnsMessage.Builder
DnsMessage.OPCODE	Symbolic DNS Opcode values.
DnsMessage.RESPONSE_CODE	Possible DNS response codes.
DnsName	A DNS name, also called "domain name".
DNSOverHTTPS	Simple implemetation of DNS over HTTPS.
DNSOverHTTPS.Type
DnssecConstants
DnssecConstants.DigestAlgorithm	DNSSEC Digest Algorithms.
DnssecConstants.SignatureAlgorithm	DNSSEC Signature Algorithms.
DownSampler	A class that implement a downsampler, used to reduce the number of point to display.
DownSampler.DataSet
Draft	Holds a draft message and reference to attachments, if any Differences from Mail: - Never multipart, body is always text/plain UTF-8 - Attachments are just headers containing name, type, encoding, and path to file - Bcc is a header
DS	DS (Delegation Signer) record payload.
DSAEngine	Sign and verify using DSA-SHA1 and other signature algorithms.
DsDef	Class to represent single data source definition within the RRD.
DsType	Enumeration of available datasource types.
Dummy	Exists only to enable package.html to be included in javadoc.
Dummy	Exists only to enable package.html to be included in javadoc.
DummyClientManagerFacade	Manage all interactions with clients
DummyHandler	Dummy to lock up the updates for a period of time
DummyNamingService	A Dummy naming service that can only handle base64 and b32 destinations.
DummyNetworkDatabaseFacade
DummyOutputStream	Write to nowhere
DummyPeerManagerFacade	Manage peer references and keep them up to date so that when asked for peers, it can provide appropriate peers according to the criteria provided.
DummyThrottle	Since the TimedWeightedPriorityMessageQueue.add() was disabled by jrandom in UDPTransport.java on 2006-02-19, and the choke/unchoke was disabled at the same time, all of TWPMQ is pointless, so just do this for now.
DummyTunnelManagerFacade	Build and maintain tunnels throughout the network.
DummyValidator	accept everything
ECConstants	Constants for elliptic curves, from NIST FIPS 186-4 (2013) / ANSI X9.62
EchoHandler
ECIESAEADEngine	Handles the actual ECIES+AEAD encryption and decryption scenarios using the supplied keys and data.
ECUtil	Used by KeyGenerator.getSigningPublicKey() Modified from http://stackoverflow.com/questions/15727147/scalar-multiplication-of-point-over-elliptic-curve Apparently public domain.
Ed25519FieldElement	Class to represent a field element of the finite field $p = 2^{255} - 19$ elements.
Ed25519LittleEndianEncoding	Helper class for encoding/decoding from/to the 32 byte representation.
Ed25519ScalarOps	Class for reducing a huge integer modulo the group order q and doing a combined multiply plus add plus reduce operation.
EdDSABlinding	Utilities for Blinding EdDSA keys.
EdDSAEngine	Signing and verification for EdDSA.
EdDSAGenParameterSpec	Implementation of AlgorithmParameterSpec that holds the name of a named EdDSA curve specification.
EdDSAKey	Common interface for all EdDSA keys.
EdDSANamedCurveSpec	EdDSA Curve specification that can also be referred to by name.
EdDSANamedCurveTable	The named EdDSA curves.
EdDSAParameterSpec	Parameter specification for an EdDSA algorithm.
EdDSAPrivateKey	An EdDSA private key.
EdDSAPrivateKeySpec
EdDSAPublicKey	An EdDSA public key.
EdDSAPublicKeySpec
EditBean	Ugly little accessor for the edit page Warning - This class is not part of the i2ptunnel API, it has been moved from the jar to the war.
Edns	EDNS - Extension Mechanism for DNS.
Edns.Builder
Edns.OptionCode	The EDNS option code.
EdnsOption
EepGet	EepGet [-p 127.0.0.1:4444] [-n #retries] [-o outputFile] [-m markSize lineLen] url
EepGet.AUTH_MODE
EepGet.StatusListener	Callback interface
EepGetAndAddNamingService	Deprecated. use HostsTxtNamingService.put()
EepGetNamingService	A network-based naming service using HTTP, with in-memory caching.
EepHead	This is a quick hack to get a working EepHead, primarily for the following usage:
EightBit	Decode only.
ElementsNames	The elements of the graph.
Elg2KeyFactory	Elligator2 for X25519 keys.
Elg2KeyPair	X25519 keys, with the public key Elligator2 encoding pre-calculated
ElGamalAESEngine	Handles the actual ElGamal+AES encryption and decryption scenarios using the supplied keys and data.
ElGamalEngine	Wrapper for ElGamal encryption/signature schemes.
ElGamalGenParameterSpec
ElGamalKey
ElGamalKeySpec
ElGamalParameterSpec	Copied from org.bouncycastle.jce.spec This can't actually be passed to the BC provider, we would have to use reflection to create a "real" org.bouncycasle.jce.spec.ElGamalParameterSpec.
ElGamalPrivateKey
ElGamalPrivateKeyImpl
ElGamalPrivateKeySpec	This class specifies an ElGamal private key with its associated parameters.
ElGamalPublicKey
ElGamalPublicKeyImpl
ElGamalPublicKeySpec	This class specifies an ElGamal public key with its associated parameters.
ElGamalSigEngine	ElG signatures with SHA-256 ref: https://en.wikipedia.org/wiki/ElGamal_signature_scheme
Elligator2	Elligator2 for X25519 keys.
EmptyProperties	Immutable OrderedProperties, to reduce object churn in LS2 where it's expected to be empty.
EncAlgo	Base encryption algorithm type
EncodeHintType	These are a set of hints that you may pass to Writers to specify their behavior.
Encoder
Encoding	Interface to encode/decode content transfer encodings like quoted-printable, base64 etc.
Encoding	Common interface for all $(b-1)$-bit encodings of elements of EdDSA finite fields.
EncodingException	Converted from Exception to IOException in 0.9.33
EncodingFactory	Manager class to handle content transfer encodings.
EncryptedBuildRecord	ElGamal-encrypted request or response.
EncryptedLeaseSet	Use getSigningKey() / setSigningKey() (revocation key in super) for the blinded key.
EncType	Defines the properties for various encryption types that I2P supports or may someday support.
EntropyHarvester	Allow various components with some entropy to feed that entropy back into some PRNG.
EOFOnMatchInputStream	A stream that returns EOF when the input matches the bytes provided.
Epoch	Small swing-based utility to convert timestamps (seconds since epoch) to readable dates and vice versa.
ErrorCorrectionLevel	See ISO 18004:2006, 6.5.1.
ErrorServlet	Common servlet for errors This is intended for webapps and local plugins.
EscapeHTMLOutputStream	Escape HTML on the fly.
EscapeHTMLWriter	Escape HTML on the fly.
EstablishBase	Inbound NTCP 2 only.
EstablishBase.State
EstablishmentManager	Coordinate the establishment of new sessions - both inbound and outbound.
EstablishmentManager.Token
EstablishState	Handle the establishment
EventDispatcher	Event dispatching interface.
EventDispatcherImpl	An implementation of the EventDispatcher interface.
EventListener
EventLog	Simple event logger for occasional events, with caching for reads.
EventLogHelper	/events.jsp
EventPumper	The main NTCP NIO thread.
EventReceiver	An implementation of the EventDispatcher interface for receiving events via in-line notifyEvent() only.
ExcluderBase	A Set of Hashes that automatically adds to the Set in the contains() check.
Exec	This class can be used by the installer to execute shell commands.
Executor	Deprecated - used only by SimpleTimer
ExpiredAuthTokenException
ExpireJob	This runs twice for each tunnel.
ExpireLeasesJob	Periodically search through all leases to find expired ones, failing those keys and firing up a new search for each (in case we want it later, might as well preemptively fetch it)
ExpireRoutersJob	Go through the routing table pick routers that are is out of date, but don't expire routers we're actively connected to.
ExplicitFilterDefinitionElement	A filter definition element that includes a single, explicitly defined remote destination
ExploratoryPeerSelector	Pick peers randomly out of the not-failing pool, and put them into a tunnel ordered by XOR distance from a random key.
ExploreJob	Search for a particular key iteratively until we either find a value, we run out of peers, or the bucket the key belongs in has sufficient values in it.
ExploreKeySelectorJob	Deprecated. unused, see comments in KNDF
ExtensionHandler	REF: BEP 10 Extension Protocol
ExternalMain	A simplified Main that does not require router.jar, for App Context only.
ExternalTrayManager	When started before the router, e.g.
FakeALabel
FamilyKeyCrypto	Utilities for creating, storing, retrieving the signing keys for the netdb family feature
FamilyKeyCrypto.Result	Only STORED_KEY is fully trusted.
FastI2NPMessageImpl	Ignore, but save, the SHA-256 checksum in the full 16-byte header when read in.
FetchAndAdd	A cancellable torrent file downloader.
FetchData	Class used to represent data fetched from the RRD.
FetchRequest	Class to represent fetch request.
Field	An EdDSA finite field.
FieldElement	Note: concrete subclasses must implement hashCode() and equals()
FIFOBandwidthLimiter	Concurrent plan: It's difficult to get rid of the locks on _pendingInboundRequests since locked_satisyInboundAvailable() leaves Requests on the head of the queue.
FIFOBandwidthLimiter.CompleteListener
FIFOBandwidthLimiter.Request	A bandwidth request, either inbound or outbound.
FIFOBandwidthRefiller	Thread that runs several times a second to "give" bandwidth to FIFOBandwidthLimiter.
FileBuffer	File implementation of Buffer.
FileDumpHelper	Dump info on jars and wars
FileFilterDefinitionElement	An element of filter definition that reads hashes of remote destinations from a file.
FileLogWriter	File-based log writer thread that pulls log records from the LogManager, writes them to the current logfile, and rotates the logs as necessary.
FilenameUtil	File name encoding methods
FileSuffixFilter	A FileFilter that accepts regular files with a suffix and optionally a prefix, case-insensitive.
FileUtil	General helper methods for messing with files These are static methods that do NOT convert arguments to absolute paths for a particular context and directory.
FileUtil
FilterDefinition	Definition of an access filter.
FilterDefinitionElement	Base class for elements found in filter definition files
FilterFactory	Factory for incoming connection filters.
FixCRLFOutputStream	Replace plain \n with \r\n on the fly.
FixWinPaths	This class is used by the installer in Windows to process the wrapper.config file.
FloodfillDatabaseLookupMessageHandler	Build a HandleDatabaseLookupMessageJob whenever a DatabaseLookupMessage arrives
FloodfillDatabaseStoreMessageHandler	Create a HandleDatabaseStoreMessageJob whenever a DatabaseStoreMessage arrives
FloodfillMonitorJob	Simple job to monitor the floodfill pool.
FloodfillNetworkDatabaseFacade	The network database
FloodfillPeerSelector	This is where we implement semi-Kademlia with the floodfills, by selecting floodfills closest to a given key for searches and stores.
FloodfillRouterInfoFloodJob	Job to flood nearby floodfill routers with our RI.
FloodfillStoreJob	This extends StoreJob to fire off a FloodfillVerifyStoreJob after success.
FloodfillVerifyStoreJob	Send a netDb lookup to a floodfill peer - If it is found, great, but if they reply back saying they dont know it, queue up a store of the key to a random floodfill peer again (via FloodfillStoreJob)
FloodOnlyLookupMatchJob
FloodOnlyLookupSelector	Mostly replaced by IterativeLookupSelector
FloodOnlyLookupTimeoutJob	This is the timeout for the whole search.
FloodOnlySearchJob	Uunused directly, replaced by IterativeSearchJob, but still extended by SingleSearchJob.
FloodSearchJob	Try sending a search to some floodfill peers, but if we don't get a successful match within half the allowed lookup time, give up and start querying through the normal (kademlia) channels.
FloodThrottler	Count how often we have recently flooded a key This offers basic DOS protection but is not a complete solution.
Folder<O>	Folder object manages a array Object[] to support paging and sorting.
Folder.SortOrder
FormatException	Thrown when a barcode was successfully detected, but some aspect of the content did not conform to the barcode's format rules.
FormatInformation	Encapsulates a QR Code's format information, including the data mask used and error correction level.
FormHandler	Simple form handler base class - does not depend on servlets or jsp, but instead the subclasses are populated with javabean properties.
FortunaRandomSource	Wrapper around GNU-Crypto's Fortuna PRNG.
FortunaStandalone	The Fortuna continuously-seeded pseudo-random number generator.
ForwardPort	A public Internet Protocol port on the node which needs to be forwarded if the node is NATed.
ForwardPortCallback	Callback called by port forwarding plugins to indicate success or failure.
ForwardPortStatus
FragmentedMessage	Gather fragments of I2NPMessages at a tunnel endpoint, making them available for reading when complete.
FragmentHandler	Handle fragments at the endpoint of a tunnel, peeling off fully completed I2NPMessages when they arrive, and dropping fragments if they take too long to arrive.
FragmentHandler.DefragmentedReceiver	Receive messages out of the tunnel endpoint.
FreeListBlock	On-disk format:
Frequency	Manage the calculation of a moving average event frequency over a certain period.
FrequencyStat	coordinate an event frequency over various periods
GarlicClove	Contains one deliverable message encrypted to a router along with instructions and a certificate 'paying for' the delivery.
GarlicConfig	Define the contents of a garlic chunk that contains 1 or more sub garlics.
GarlicMessage	Defines the wrapped garlic message
GarlicMessageBuilder	Build garlic messages based on a GarlicConfig
GarlicMessageHandler	HandlerJobBuilder to build jobs to handle GarlicMessages This is the handler for garlic message not received down a tunnel, which is the case for floodfills receiving netdb messages.
GarlicMessageParser	Read a GarlicMessage, decrypt it, and return the resulting CloveSet.
GarlicMessageReceiver	Decrypt a garlic message and pass off any valid cloves to the configured receiver to dispatch as they choose.
GarlicMessageReceiver.CloveReceiver
GeneralHelper	General helper functions used by all UIs.
GenericGF	This class contains utility methods for performing mathematical operations over the Galois Fields.
GenericGFPoly	Represents a polynomial whose coefficients are elements of a GF.
GeoIP	Manage geoip lookup in a file with the Tor geoip format.
GeoIPv6	Generate compressed geoipv6.dat.gz file, and lookup entries in it.
GetBandwidthLimitsMessage	Request the router tells us the current bw limits
GetBidsJob	Retrieve a set of bids for a particular outbound message, and if any are found that meet the message's requirements, register the message as in process and pass it on to the transport for processing
GetDateMessage	Request the other side to send us what they think the current time is.
GetRateHandler
GracefulShutdown	Simple thread that sits and waits forever, managing the graceful shutdown "process" (describing it would take more text than just reading the code...)
GraphConstants	Basic graph defaults
GraphHelper	/graphs.jsp, including form, and /graph.jsp
GroupElement	A point $(x,y)$ on an EdDSA curve.
GroupElement.Representation	Available representations for a group element.
GrowingArrayUtils	A helper class that aims to provide comparable growth performance to ArrayList, but on primitive arrays.
GunzipOutputStream	Gunzip implementation per RFC 1952, reusing java's standard CRC32 and Inflater and InflaterOutputStream implementations.
GzipFileBuffer	Gzip File implementation of Buffer.
HandleDatabaseLookupMessageJob	Handle a lookup for a key received from a remote peer.
HandleFloodfillDatabaseLookupMessageJob	Handle a lookup for a key received from a remote peer.
HandleFloodfillDatabaseStoreMessageJob	Receive DatabaseStoreMessage data and store it in the local net db
HandleGarlicMessageJob	Unencrypt a garlic message and handle each of the cloves - locally destined messages are tossed into the inbound network message pool so they're handled as if they arrived locally.
Handler	Something that can be stopped by the SAMBridge.
HandlerImpl	Base class for handling I2CP messages
HandlerJobBuilder	Defines a class that builds jobs to handle a particular message - these builders are registered with the InNetMessagePool for various I2NP message types, allowing immediate queueing of a handler job rather than waiting for a polling job to come pick it up.
HandshakeState	Interface to a Noise handshake.
Hash<T>	Implementations of this interface can generate one hash value for a given object.
Hash	Defines the hash as defined by the I2P data structure spec.
Hash384	48 byte hash
Hash512	64 byte hash
HashCash	Class for generation and parsing of HashCash Copyright 2006 Gregory Rubin grrubin@gmail.com Permission is given to use, modify, and or distribute this code so long as this message remains attached Please see the spec at: http://www.hashcash.org/
HashDistance	Moved from PeerSelector
HashRange	Records the range of values that a hash value may take.
HashSetIVValidator	Deprecated. unused
Header	Class to represent RRD header.
Header	Instances of this class model the header section of an RRD file.
HeaderLine	Ref: http://en.wikipedia.org/wiki/MIME#Encoded-Word http://tools.ietf.org/html/rfc2047 https://jeffreystedfast.blogspot.com/2013/09/time-for-rant-on-mime-parsers.html https://jeffreystedfast.blogspot.com/2013/08/why-decoding-rfc2047-encoded-headers-is.html
HelperBase	Base helper
Hex
HexDump	Hexdump class (well, it's actually a namespace with some functions, but let's stick with java terminology :-).
HexTable
HKDF	Various flavors of HKDF using HMAC-SHA256.
HMAC256Generator	Calculate the HMAC-SHA256 of a key+message.
HMAC256Generator.HMACKey	Like SecretKeySpec but doesn't copy the key in the construtor, for speed.
HMACGenerator	Calculate the HMAC of a key+message.
HomeHelper	For /home and /confighome
HopConfig	Defines the general configuration for a hop in a tunnel.
HopProcessor	Take a received tunnel message, verify that it isn't a duplicate, and translate it into what the next hop will want.
HostCheckHandler	Block certain Host headers to prevent DNS rebinding attacks.
HostCheckHandler	Block certain Host headers to prevent DNS rebinding attacks.
HostCheckHandler	Block certain Host headers to prevent DNS rebinding attacks.
HostInterface
HostLookupMessage	Request the router look up the dest for a hash or a host.
HostReplyMessage	Response to HostLookupMessage.
HostReplyMessageHandler	Handle I2CP dest replies from the router
HostsTxtNamingService	A naming service based on multiple "hosts.txt" files.
HostTxtEntry	A hostname, b64 destination, and optional properties.
HostTxtIterator	A class to iterate through a hosts.txt or config file without reading the whole thing into memory.
HostTxtParser	Utility class providing methods to parse and write files in a hosts.txt file format, and subscription file format.
HRule
HSpan
HTML
HTML
HTTP
HTTPHeader
HTTPMUSocket
HTTPPacket
HTTPRequest	This class rappresnet an HTTP request, and act as HTTP client when it sends the request
HTTPRequestListener
HTTPResponse
HTTPResponseOutputStream	This does the transparent gzip decompression on the client side.
HTTPServer	This class identifies an HTTP over TCP server The server must be initialized iether by the HTTPServer.open(InetAddress, int) or the HTTPServer.open(String, int) method. Optionally a set of HTTPRequestListener may be set The server then can be started or stopped by the method HTTPServer.start() and HTTPServer.stop()
HTTPServerList
HTTPServerThread
HTTPSocket
HTTPStatus
HTTPUSocket
I2CPMessage	Defines the base functionality of API messages As of 0.9.48, does NOT extend DataStructure.
I2CPMessageException	Represent an error serializing or deserializing a message
I2CPMessageHandler	Define a way to handle a particular type of message
I2CPMessageHandler	Handle messages from the server for the client or vice versa
I2CPMessageImpl	Defines the base message implementation.
I2CPMessageProducer	Produce the various messages the session needs to send to the router.
I2CPMessageQueue	Contains the methods to talk to a router or client via I2CP, when both are in the same JVM.
I2CPMessageQueueImpl	Contains the methods to talk to a router or client via I2CP, when both are in the same JVM.
I2CPMessageReader	The I2CPMessageReader reads an InputStream (using I2CPMessageHandler) and passes out events to a registered listener, where events are either messages being received, exceptions being thrown, or the connection being closed.
I2CPMessageReader.I2CPMessageEventListener	Defines the different events the reader produces while reading the stream
I2NPMessage	Base interface for all I2NP messages Note: No longer extends DataStructure as of 0.9.48
I2NPMessageException	Represent an error serializing or deserializing an APIMessage
I2NPMessageHandler	Handle messages from router to router.
I2NPMessageImpl	Defines the base message implementation.
I2NPMessageImpl.Builder	interface for extending the types of messages handled - unused
I2PAppContext	Provide a base scope for accessing singletons that I2P exposes.
I2PAppThread	Like I2PThread but with per-thread OOM listeners, rather than a static router-wide listener list, so that an OOM in an app won't call the router listener to shutdown the whole router.
I2PClient	Define the standard means of interacting with the I2P system An I2PClient contains no state, it is just a facility for creating private key files and generating sesssions from existing private key files.
I2PClientFactory	Provide a means of hooking into an appropriate I2PClient implementation
I2PClientImpl	Base client implementation.
I2PClientMessageHandlerMap	Contains a map of message handlers that a session will want to use
I2PControlController	This handles the starting and stopping of Jetty from a single static class so it can be called via clients.config.
I2PControlHandler
I2PControlVersion
I2PDatagramDissector	Class for dissecting I2P repliable datagrams, checking the authenticity of the sender.
I2PDatagramMaker	Class for creating I2P repliable datagrams.
I2PDefaultServlet	Extends DefaultServlet to set locale for the displayed time of directory listings, to prevent leaking of the locale.
I2PException	Base class of I2P exceptions This was originally used to provide chained exceptions, but those were added to Exception in Java 1.4, so this class provides nothing extra at the moment.
I2PHMac	HMAC implementation based on RFC2104 H(K XOR opad, H(K XOR ipad, text)) modified by jrandom to use the session key byte array directly and to cache a frequently used buffer (called on doFinal).
I2Ping	Warning - not necessarily a stable API.
I2PInvalidDatagramException	Exception thrown when I2P repliable datagram signature verification fails.
I2PLogger	Modified from Jetty 6.1.26 StdErrLog.java and Slf4jLog.java Usage: org.eclipse.log.Log.setLog(new I2PLogger(ctx));
I2PProperties	This class contains a number of properties ((key,value)-pairs).
I2PProperties.I2PPropertyCallback
I2PProvider
I2PRequestLog	This RequestLog implementation outputs logs in the pseudo-standard NCSA common log format.
I2PServerSocket	Streaming server socket returned by I2PSocketManager.getServerSocket().
I2PServerSocketFull	Bridge to allow accepting new connections
I2PSession	Define the standard means of sending and receiving messages on the I2P network by using the I2CP (the client protocol).
I2PSessionDemultiplexer	Implement multiplexing with a 1-byte 'protocol' and a two-byte 'port'.
I2PSessionException	Thrown when there is a problem doing something on the session
I2PSessionImpl	Implementation of an I2P session running over TCP.
I2PSessionImpl.State
I2PSessionImpl2	Thread safe implementation of an I2P session running over TCP.
I2PSessionListener	Define a means for the router to asynchronously notify the client that a new message is available or the router is under attack.
I2PSessionMuxedImpl	I2PSession with protocol and ports Streaming lib has been modified to send I2PSession.PROTO_STREAMING but still receives all.
I2PSessionMuxedListener	Define a means for the router to asynchronously notify the client that a new message is available or the router is under attack.
I2PSimpleClient	Simple client implementation with no Destination, just used to talk to the router.
I2PSimpleSession	Create a new session for doing naming and bandwidth queries only.
I2PSink	Producer This sends to a fixed destination specified in the constructor
I2PSinkAnywhere	Producer This sends to any destination specified in send()
I2PSnarkServlet	Refactored to eliminate Jetty dependencies.
I2PSnarkUtil	I2P specific helpers for I2PSnark We use this class as a sort of context for i2psnark so we can run multiple instances of single Snarks (but not multiple SnarkManagers, it is still static)
I2PSocket	Streaming socket returned by I2PSocketManager.connect(Destination).
I2PSocket.SocketErrorListener	Deprecated, unimplemented, does nothing.
I2PSocketAddress	A SocketAddress (Destination + port) so we can have SocketChannels.
I2PSocketEepGet	Fetch a URL using a socket from the supplied I2PSocketManager.
I2PSocketException	An I2P-specific IOException thrown from input and output streams, with a stored status code to be used for programmatic responses.
I2PSocketFull	Bridge between the full streaming lib and the I2PSocket API
I2PSocketManager	Centralize the coordination and multiplexing of the local client's streaming.
I2PSocketManager.DisconnectListener
I2PSocketManagerFactory	Simplify the creation of I2PSession and transient I2P Destination objects if necessary to create a socket manager.
I2PSocketManagerFull	Deprecated.
I2PSocketManagerFull	Centralize the coordination and multiplexing of the local client's streaming.
I2PSocketOptions	Define the configuration for streaming and verifying data on the socket.
I2PSocketOptionsImpl	Define the configuration for streaming and verifying data on the socket.
I2PSOCKSIRCTunnel
I2PSOCKSTunnel
I2PSource	Refactored in 0.9.53 to support I2CP protocols and ports
I2PSource.Protocol
I2PSSLSocketFactory	Loads trusted ASCII certs from ~/.i2p/certificates/ and $I2P/certificates/.
I2PThread	Preferred over Thread for all router uses.
I2PThread.OOMEventListener
I2PTunnel	An I2PTunnel tracks one or more I2PTunnelTasks and one or more I2PSessions.
I2PTunnel.ConnectionEventListener	Callback routine to find out
I2PTunnelClient
I2PTunnelClientBase
I2PTunnelConnectClient	Supports the following:
I2PTunnelDCCClient	A standard client, using an existing socket manager.
I2PTunnelDCCServer	A standard server that only answers for registered ports, and each port can only be used once.
I2PTunnelHTTPBidirProxy	Reuse HTTP server's I2PSocketManager for a proxy with no outproxy capability.
I2PTunnelHTTPBidirServer
I2PTunnelHTTPClient	Act as a mini HTTP proxy, handling various different types of requests, forwarding them through I2P appropriately, and displaying the reply.
I2PTunnelHTTPClientBase	Common things for HTTPClient and ConnectClient Retrofit over them in 0.8.2
I2PTunnelHTTPClientBase.AuthResult
I2PTunnelHTTPClientRunner	Override the response with a stream filtering the HTTP headers received.
I2PTunnelHTTPServer	Simple extension to the I2PTunnelServer that filters the HTTP headers sent from the client to the server, replacing the Host header with whatever this instance has been configured with, and if the browser set Accept-Encoding: x-i2p-gzip, gzip the http message body and set Content-Encoding: x-i2p-gzip.
I2PTunnelIRCClient	Todo: Can we extend I2PTunnelClient instead and remove some duplicated code?
I2PTunnelIRCServer	Simple extension to the I2PTunnelServer that filters the registration sequence to pass the destination hash of the client through as the hostname, so an IRC Server may track users across nick changes.
I2PTunnelOutproxyRunner	Like I2PTunnelRunner but socket-to-socket Warning - not maintained as a stable API for external use.
I2PTunnelRunner	A thread that starts two more threads, one to forward traffic in each direction.
I2PTunnelRunner.FailCallback	For use in new constructor
I2PTunnelRunner.SuccessCallback
I2PTunnelServer
I2PTunnelTask	Either a Server or a Client.
I2PTunnelUDPClientBase	Base client class that sets up an I2P Datagram client destination.
I2PTunnelUDPServerBase	Base client class that sets up an I2P Datagram server destination.
IBSkipIterator<K extends Comparable<? super K>,V>	I2P Overridden to load the span when required and null out the keys and values when the iterator leaves the span.
IBSkipSpan<K extends Comparable<? super K>,V>	I2P version of BSkipSpan BSkipSpan stores all keys and values in-memory, backed by the file.
Icon
IconList
IdenticonCache
IdenticonRenderer	Identicon renderer interface.
IdenticonServlet	This servlet generates identicon (visual identifier) images ranging from 16x16 to 512x512 in size.
IdenticonUtil	Utility methods useful for implementing identicon functionality.
IdentityBytes	May be used to scan and repair the database nondestructively.
IdleChecker	Periodically check for idle condition based on connected peers, and reduce/restore tunnel count as necessary.
IdleCloser	Close the POP3 connection after a certain idle time
IdnaTransformator
ImageParameters
ImageWorker
InboundEndpointProcessor	Receive the inbound tunnel message, removing all of the layers added by earlier hops to recover the preprocessed data sent by the gateway.
InboundEstablishState	NTCP 2.
InboundEstablishState	Data for a new connection being established, where the remote peer has initiated the connection with us.
InboundEstablishState.InboundState
InboundEstablishState2	Data for a new connection being established, where the remote peer has initiated the connection with us.
InboundGatewayProcessor	Override the hop processor to seed the message with a random IV.
InboundGatewayReceiver	Handle messages at the IBGW.
InboundMessageDistributor	When a message arrives at the inbound tunnel endpoint, this distributor honors the instructions (safely)
InboundMessageFragments	Organize the received data message fragments, feeding completed messages to the MessageReceiver and telling the PeerState to ACK.
InboundMessageFragments.ModifiableLong	Modifiable Long, no locking
InboundMessageState	Hold the raw data fragments of an inbound message.
InboundSender	Receive the preprocessed data for an inbound gateway, encrypt it, and forward it on to the first hop.
InclusiveByteRange	Byte range inclusive of end points.
IncomingConnectionFilter	Something that filters incoming streaming connections.
IndexBean	Simple accessor for exposing tunnel info, but also an ugly form handler Warning - This class is not part of the i2ptunnel API, it has been moved from the jar to the war.
InetAddressUtil
InetAddressUtils	A collection of utilities relating to InetAddresses.
InfoHash	A 20-byte SHA1 info hash
InNetMessagePool	Manage a pool of inbound InNetMessages.
InstallUpdate	If the i2pupdate.zip file is present, unzip it and JVM exit.
IntBytes
IntegrationCalculator	Determine how well integrated the peer is - how likely they will be useful to us if we are trying to get further connected.
IntelCPUInfo	An interface for classes that provide lowlevel information about Intel CPU's
IntelInfoImpl	Moved out of CPUID.java Ref: https://software.intel.com/en-us/articles/intel-architecture-and-processor-identification-with-cpuid-model-and-family-numbers Ref: http://en.wikipedia.org/wiki/List_of_Intel_CPU_microarchitectures
InternalClientManager	A manager for the in-JVM I2CP message interface
InternalServerSocket	A simple in-JVM ServerSocket using Piped Streams.
InternalSocket	A simple in-JVM Socket using Piped Streams.
InternalSocketRunner	Listen for in-JVM connections on the internal "socket"
InternalTrayManager	java -cp i2p.jar:router.jar:desktopgui.jar net.i2p.desktopgui.Main Full access to router context.
InternetAddressRR<IA extends InetAddress>	A resource record representing a internet address.
IntroductionManager	Keep track of inbound and outbound introductions.
InvalidAuthTokenException
InvalidBEncodingException	Exception thrown when a bencoded stream is corrupted.
InvalidDatabaseException	Signals that there was an issue reading from the MaxMind DB file due to unexpected data formatting.
InvalidDatabaseException	Signals that there was an issue reading from the database file due to unexpected data formatting.
InvalidDefinitionException	Exception thrown if the filter definition file cannot be parsed for some reason.
InvalidDescriptionException
InvalidDnsNameException
InvalidDnsNameException.DNSNameTooLongException
InvalidDnsNameException.LabelTooLongException
InvalidRrdException	An exception indicating a corrupted RRD.
InverseCapacityComparator	Order profiles by their capacity, but backwards (highest capacity / value first).
IPlottable	Interface to be used for custom datasources.
IPThrottler	Count IPs
IRandomStandalone	The basic visible methods of any pseudo-random number generator.
IRCFilter	Static methods to filter individual lines.
IrcInboundFilter	Thread to do inbound filtering.
IrcOutboundFilter	Thread to do outbound filtering.
IterativeFollowupJob	Ask a single peer for a single key.
IterativeLookupJob	Ask the peer who sent us the DSRM for the RouterInfos...
IterativeLookupSelector	Slightly modified version of FloodOnlyLookupSelector.
IterativeSearchJob	A traditional Kademlia search that continues to search when the initial lookup fails, by iteratively searching the closer-to-the-key peers returned by the query in a DSRM.
IterativeTimeoutJob	This is the timeout for a single lookup, not for the whole search.
IVValidator	Provide a generic interface for IV validation which may be implemented through something as simple as a hashtable or more a complicated bloom filter.
JApplet
JaxpParser
JButton
JCheckBox
JComboBox
JettyStart	Start Jetty where the args are one or more XML files.
JettyXmlConfigurationParser	Parses a Jetty XML configuration file.
JFrame
JLabel
Job	Defines an executable task For use by the router only.
JobImpl	Base implementation of a Job For use by the router only.
JobQueue	Manage the pending jobs according to whatever algorithm is appropriate, giving preference to earlier scheduled jobs.
JobQueueHelper
JobQueueRunner	a do run run run a do run run
JobStats	Glorified struct to contain basic job stats.
JobTiming	Define the timing requirements and statistics for a particular job For use by the router only.
JOptionPane
JPanel
JProgressBar
JScrollPane
JSONRPC2Error	Represents a JSON-RPC 2.0 error that occurred during the processing of a request.
JSONRPC2ExtendedError	Represents a JSON-RPC 2.0 error that occured during the processing of a request.
JSONRPC2Helper
JSONRPC2Message	The base abstract class for JSON-RPC 2.0 requests, notifications and responses.
JSONRPC2Notification	Represents a JSON-RPC 2.0 notification.
JSONRPC2ParamsType	Enumeration of the three parameter types in JSON-RPC 2.0 requests and notifications.
JSONRPC2ParseException	Thrown to indicate an exception during the parsing of a JSON-RPC 2.0 message string.
JSONRPC2Parser	Parses JSON-RPC 2.0 request, notification and response messages.
JSONRPC2Request	Represents a JSON-RPC 2.0 request.
JSONRPC2Response	Represents a JSON-RPC 2.0 response.
JSONRPC2Servlet	Provide an JSON-RPC 2.0 API for remote controlling of I2P
JSONUtils	Created by Sebastian Malecki on 13.05.14.
JspC	Simply call org.apache.jasper.JspC, then exit.
JSpinner
JTextArea
JTextPane
KademliaNetworkDatabaseFacade	Kademlia based version of the network database.
KBTrimmer	Removes an element older than 15 minutes, but only if the bucket hasn't changed in 5 minutes.
KBucket<T extends SimpleDataStructure>	Group, without inherent ordering, a set of keys a certain distance away from a local key, using XOR as the distance metric Refactored from net.i2p.router.networkdb.kademlia
KBucketImpl<T extends SimpleDataStructure>	A concurrent implementation using ConcurrentHashSet.
KBucketSet<T extends SimpleDataStructure>	In-memory storage of buckets sorted by the XOR metric from the base (us) passed in via the constructor.
KBucketTrimmer<K extends SimpleDataStructure>	Called when a kbucket can no longer be split and is too big
KeyCertificate	This certificate type gets its own class because it's going to be used a lot.
KeyFactory
KeyFactory	Modified from eddsa
KeyFactory	Make KeyPairs
KeyGenerator	Define a way of generating asymmetrical key pairs as well as symmetrical keys
KeyManager	Maintain all of the key pairs for the router.
KeyPair	Same as java.security.KeyPair, but with I2P keys
KeyPairGenerator	Default keysize is 256 (Ed25519)
KeyPairGenerator	Modified from eddsa Only supported strength is 2048
KeyRing	A backend for storing and retrieving SigningPublicKeys to be used for verifying signatures.
KeyRing	simple
KeysAndCert	KeysAndCert has a public key, a signing key, and a certificate.
KeySelector	Given a key, populates arrays determining word and bit offsets into a Bloom filter.
KeySelector.BitSelector
KeySelector.WordSelector
KeyStoreProvider
KeyStoreUtil	Keystore utilities, consolidated from various places.
KRPC	Standard BEP 5 Mods for I2P:
LdhLabel	A LDH (Letters, Digits, Hyphen) label, which is the classical label form.
LeadingOrTrailingHyphenLabel	A DNS label with a leading or trailing hyphen ('-').
Lease	Defines the proof that a particular router / tunnel is allowed to receive messages for a particular Destination during some period of time.
Lease2	Like Lease but with 4-byte timestamps.
LeaseRequestState	Bundle up the data points necessary when asynchronously requesting a lease from a client
LeaseSet	Defines the set of leases a destination currently has.
LeaseSet2	See proposal 123
LeaseSetKeys	Wrap up the keys given to the router when a destination connects to it.
LegendComposer
LegendText
LHMCache<K,V>	A LinkedHashMap with a maximum size, for use as an LRU cache.
LimitInputStream	Limit total reads and skips to a specified maximum, then return EOF
Line
LinearInterpolator	Class used to interpolate datasource values from the collection of (timestamp, values) points.
LinearInterpolator.Method	A enumeration of interpolation methods
ListenerList
LkupResult	The return value of I2PSession.lookupDest2()
LoadClientAppsJob	Run any client applications specified in clients.config.
LoadClientAppsJob.DelayedRunClient	Public for router console only, not for use by others, subject to change
LoadRouterInfoJob	Run once or twice at startup by StartupJob, and then runs BootCommSystemJob
LoadRouterInfoJob.KeyData
LocaleWebAppHandler	Convert foo.jsp to foo_xx.jsp for language xx.
LocalHash	Pull the caching used only by KBucketImpl out of Hash and put it here.
LocalHTTPServer	Very simple web server.
Location
Log	A simple log with automatic time stamping.
Log	Wrapper class for whatever logging system I2P uses.
LogConsoleBuffer	Offer a glimpse into the last few console messages generated.
Logging
LogLimit	Defines the log limit for a particular set of logs
LogManager	Manages the logging system, loading (and reloading) the configuration file, coordinating the log limits, and storing the set of log records pending.
LogRecord	Keep track of a log entry, unformatted.
LogRecordFormatter	Render a log record according to the log manager's settings
LogsHelper
LogWriter	Log writer thread that pulls log records from the LogManager and writes them to the log.
LookaheadInputStream	Simple lookahead buffer to keep the last K bytes in reserve, configured to easily be reused.
LookupDest	Connect via I2CP and ask the router to look up the lease of a hash, convert it to a Destination and return it.
LookupDestJob	Look up the lease of a hash, to convert it to a Destination for the client.
LookupResult	The return value of I2PSession.lookupDest2()
LookupService	Provides a lookup service for information based on an IP address.
LookupThrottler	Count how often we have recently received a lookup request with the reply specified to go to a peer/TunnelId pair.
MagnetState	Simple state for the download of the metainfo, shared between Peer and ExtensionHandler.
MagnetURI
Mail	data structure to hold a single message, mostly used with folder view and sorting
MailCache	There's one of these for each Folder.
MailCache.FetchMode
MailPart
Main	The main class of the application.
Main	Execute one of the other classes in this package.
MAN
Mapper
Markers
MarkLiveliness	Write a timestamp to the ping file where other routers trying to use the same configuration can see it
MaskedIPSet	Used for detection of routers with matching IPs or family.
MaskUtil
MatrixToImageConfig	Encapsulates custom configuration used in methods of MatrixToImageWriter.
MatrixToImageWriter	Writes a BitMatrix to BufferedImage, file or stream.
MatrixUtil
MemoryBuffer	Buffer backed by a byte array.
MenuCallback	The callback when a user clicks a MenuHandle.
MenuHandle	An opaque handle for the menu, returned from MenuService.addMenuHandle()
MenuService	A service to provide a menu to users.
Message	Class to define Message.
Message	Used to queue outgoing connections sendMessage() should be used to translate them to wire format.
MessageContext	Context information about JSON-RPC 2.0 request and notification messages.
MessageHandler	Receive raw information from the I2PSession and turn it into Packets, if we can.
MessageHistory	Simply act as a pen register of messages sent in and out of the router.
MessageId	Defines the message ID of a message delivered between a router and a client in a particular session.
MessageInputStream	Stream that can be given messages out of order yet present them in order.
MessageOutputStream	A stream that we can shove data into that fires off those bytes on flush or when the buffer is full.
MessageOutputStream.DataReceiver	Define a component to receive data flushed from this stream
MessageOutputStream.WriteStatus	Define a way to detect the status of a write
MessagePayloadMessage	Defines the payload message a router sends to the client
MessagePayloadMessageHandler	Handle I2CP MessagePayloadMessages from the router delivering the contents of a message by accepting it, decrypting the payload, adding it to the set of recieved messages, and telling the router that it has been recieved correctly.
MessageQueue	Base queue for messages not yet packetized
MessageReceivedJob	Async job to notify the client that a new message is available for them, or just send it directly if specified.
MessageReceiver	Pull fully completed fragments off the InboundMessageFragments queue, parse 'em into I2NPMessages, and stick them on the InNetMessagePool by way of the UDPTransport.
Messages	Translate strings for this package.
Messages	Translate strings for this package.
Messages	Translate strings for this package.
Messages	Translate strings for this package.
MessageSelector	Define a mechanism to select what messages are associated with a particular OutNetMessage.
MessageState	Contains the state of a payload message being sent to a peer.
MessageStatusMessage	Defines the message a router sends to a client about a single message.
MessageStatusMessageHandler	Handle I2CP MessageStatusMessages from the router.
MessageType
MessageValidator	Singleton to manage the logic (and historical data) to determine whether a message is valid or not (meaning it isn't expired and hasn't already been received).
MessageWrapper	Method and class for garlic encrypting outbound netdb traffic, and sending keys and tags for others to encrypt inbound netdb traffic, including management of the ElGamal/AES tags.
MessageWrapper.OneTimeSession	A single key and tag, for receiving a single message.
MessageWrapper.WrappedMessage	Wrapper so that we can keep track of the key and tags for later notification to the SKM
Metadata
MetaInfo	Note: this class is buggy, as it doesn't propogate custom meta fields into the bencoded info data, and from there to the info_hash.
MetaLease	Like a Lease, but points to another LeaseSet.
MetaLeaseSet	PRELIMINARY - Subject to change - see proposal 123
MetaNamingService	A naming service of multiple naming services.
MigrateJetty	Migrate the clients.config and jetty.xml files from Jetty 5/6 to Jetty 7/8.
MimeTypes	Based on MimeTypes from Jetty 6.1.26, heavily simplified and modified to remove all dependencies on Jetty libs.
MiniDnsIdna
MLabRunner	As modified from BiglyBT MLabPlugin
MLabRunner.ToolListener	The parameter for runNDT()
MLabRunner.ToolRun	Returned from runNDT
MLabRunner.ToolRunListener	The listener for ToolRun
Mode	See ISO 18004:2006, 6.4.1, Tables 2 and 3.
MouseAdapter
MouseEvent
MsgID	Used for both incoming and outgoing message IDs
MTU	Get the MTU for the network interface of an address.
MultiRouter	Fire up multiple routers in the same VM, all with their own RouterContext (and all that entails).
MultiSink<S extends Sink>	Sends to one of many Sinks based on the toPort
MultiSource	Sends to many Sinks
MultiSource.MSink
Mutex
MuxedEngine	Handles the actual decryption using the supplied keys and data.
MuxedSKM	Both.
MX	MX record payload (mail service pointer).
NamedParamsRetriever	Utility class for retrieving JSON-RPC 2.0 named parameters (key-value pairs packed into a JSON Object).
NamingService	Naming services create a subclass of this class.
NamingServiceBean	Talk to the NamingService API instead of modifying the hosts.txt files directly, except for the 'published' addressbook.
NamingServiceListener
NamingServiceUpdater
NativeBigInteger	BigInteger that takes advantage of the jbigi library for the modPow operation, which accounts for a massive segment of the processing cost of asymmetric crypto.
NavHelper
NavService	Service to put links on the console.
NDTConstants	Class to hold constants.
NDTUtils	Class that defines utility methods used by the NDT code
NegativeLookupCache	Track lookup fails
NetDbHelper	/netdb A FormHandler since 0.9.38.
NetDbRenderer
NetDbRenderer.RAComparator	Sort by style, then host
NetworkDatabaseFacade	Defines the mechanism for interacting with I2P's network database
NetworkSettingHandler
NewFrame	Utility class that creates a new "Frame" with a window closing functionality.
NewMailListener	Listen for indication of new mail, maybe
NewsEntry	One news item.
NewsFeedHelper	HTML-formatted full news entries
NewsFetcher	Task to fetch updates to the news.xml, and to keep track of whether that has an announcement for a new version.
NewsHandler	Task to periodically look for updates to the news.xml, and to keep track of whether that has an announcement for a new version.
NewsHelper	If news file does not exist, use file from the initialNews directory in $I2P
NewsManager	Manage current news.
NewsMetadata	The update metadata.
NewsMetadata.Release
NewsMetadata.Update
NewsTimerTask	Task to periodically look for updates to the news.xml, and to keep track of whether that has an announcement for a new version.
NewsXMLParser	Parse out the news.xml file which is in Atom format (RFC4287).
NewsXMLParser.XHTMLMode	The action taken when encountering a non-whitelisted XHTML element or blacklisted attribute in the feed content.
NextSessionKey	A X25519 key and key ID.
NID	A 20-byte peer ID, used as a Map key in lots of places.
NineBlockIdenticonRenderer2	9-block Identicon renderer.
NoCache	A no-op cache singleton.
Node
NodeCache
NodeCache.Loader
NodeData
NodeInfo
NodeInfoComparator	Closest to a InfoHash or NID key.
NodeList
Noise	Utility functions for the Noise protocol library.
NonLdhLabel	A DNS label which contains more than just letters, digits and a hyphen.
NonReservedLdhLabel	A Non-Reserved LDH label (NR-LDH label), which do not have "--" in the third and fourth position.
NonRrdSource
Normalizer
NotificationHandler	Interface for handling JSON-RPC 2.0 notifications.
NotificationService	A service to send messages to users.
NotifyListener
NotifyRequest
NS	Nameserver record.
NSEC	NSEC record payload.
NSEC3	NSEC3 record payload.
NSEC3.HashAlgorithm	DNSSEC NSEC3 Hash Algorithms.
NSEC3PARAM	NSEC3PARAM record payload.
Nsid
NT
NTCP2Options	NTCP2 Padding/Dummy/Delay configuration for data phase.
NTCP2Payload	NTCP2 Payload generation and parsing
NTCP2Payload.Block	Base class for blocks to be transmitted.
NTCP2Payload.DateTimeBlock
NTCP2Payload.I2NPBlock
NTCP2Payload.OptionsBlock
NTCP2Payload.PaddingBlock
NTCP2Payload.PayloadCallback	For all callbacks, recommend throwing exceptions only from the handshake.
NTCP2Payload.RIBlock
NTCP2Payload.TerminationBlock
NTCPConnection	Coordinate the connection to a single peer.
NTCPConnection.PrepBuffer
NTCPSendFinisher	Previously, NTCP was using SimpleTimer with a delay of 0, which was a real abuse.
NTCPTransport	The NIO TCP transport
NtpClient	NtpClient - an NTP client for Java.
NtpMessage	This class represents a NTP message, as specified in RFC 2030.
NTS
ObjectCounter<K>	Count things.
ObjectCounterUnsafe<K>	Count things.
OldConsoleHelper
OOMListener	Kaboom
OPENPGPKEY
OPT	OPT payload (see RFC 2671 for details).
OrderedProperties	Properties map that has its keySet ordered consistently (via the key's lexicographical ordering).
OsfwWorker	OsfwWorker creates a thread that listens for a message from the server.
OtherNonLdhLabel	A Non-LDH label which does not begin with an underscore ('_'), hyphen ('-') or ends with an hyphen.
OutboundCache	Helper for OCMOSJ This is the place where we make I2P go fast.
OutboundCache.HashPair	Key used to cache things with based on source + dest
OutboundClientMessageJobHelper	Static methods to create a Garlic Message with one or more cloves, as follows:
OutboundClientMessageOneShotJob	Send a client message out an outbound tunnel and into an inbound tunnel on the target leaseSet.
OutboundEstablishState	Data for a new connection being established, where we initiated the connection with a remote peer.
OutboundEstablishState.OutboundState
OutboundEstablishState2	Data for a new connection being established, where we initiated the connection with a remote peer.
OutboundEstablishState2.IntroState	Per-introducer introduction states
OutboundGatewayMessage	Stores all the state for an unsent or partially-sent message
OutboundGatewayProcessor	Turn the preprocessed tunnel data into something that can be delivered to the first hop in the tunnel.
OutboundMessageDistributor	When a message arrives at the outbound tunnel endpoint, this distributor honors the instructions.
OutboundMessageFragments	Coordinate the outbound fragments and select the next one to be built.
OutboundMessageFragments.ActiveThrottle	throttle
OutboundMessageRegistry	Tracks outbound messages.
OutboundMessageState	Maintain the outbound fragmentation for resending, for a single message.
OutboundNTCP2State	NTCP 2 only.
OutboundReceiver	We are the outbound gateway - we created this outbound tunnel.
OutboundRefiller	Blocking thread to grab new messages off the outbound queue and plopping them into our active pool.
OutboundSender	Receive the preprocessed data for an outbound gateway, encrypt all of the layers, and forward it on to the first hop.
OutboundTunnelBuildReplyMessage	Sent from the OBEP to the tunnel creator via an inbound tunnel.
OutboundTunnelEndpoint	We are the end of an outbound tunnel that we did not create.
OutNetMessage	Wrap up an outbound I2NP message, along with the information associated with its delivery and jobs to be fired off if particular events occur.
OutNetMessagePool	Maintain a pool of OutNetMessages destined for other routers, organized by priority, expiring messages as necessary.
Outproxy
OutputStreamBuffer	Output only.
Packet	This contains solely the data that goes out on the wire, including the local and remote port which is embedded in the I2CP overhead, not in the packet itself.
PacketBuilder	Big ol' class to do all our packet formatting.
PacketBuilder.Fragment	Class for passing multiple fragments to buildPacket()
PacketBuilder2	SSU2 only
PacketHandler	receive a packet and dispatch it correctly to the connection specified, the server socket, or queue a reply RST packet.
PacketHandler	Pull inbound packets from the inbound receiver's queue, figure out what peer session they belong to (if any), authenticate and decrypt them with the appropriate keys, and push them to the appropriate handler.
PacketLocal	This is the class used for outbound packets.
PacketPusher	Blocking thread to grab new packets off the outbound fragment pool and toss 'em onto the outbound packet queues.
PacketQueue	Queue out packets to be sent through the session.
Pair	A pair of routers and the distance between them.
Panel
Parameter
ParameterList
ParamsRetriever	The base abstract class for the JSON-RPC 2.0 parameter retrievers.
Parser
ParserException
PartialEepGet	Fetch exactly the first 'size' bytes into a stream Anything less or more will throw an IOException No retries, no min and max size options, no timeout option If the server does not return a Content-Length header of the correct size, the fetch will fail.
PartialPiece	Store the received data either on the heap or in a temp file.
ParticipatingThrottler	Count how often we have accepted a tunnel with the peer as the previous or next hop.
ParticipatingThrottler.Result
PasswordManager	Manage both plaintext and salted/hashed password storage in router.config.
PathIterator
Pattern	Information about all supported handshake patterns.
Payload	Defines the actual payload of a message being delivered, including the standard encryption wrapping, as defined by the I2P data structure spec.
PayloadGarlicConfig	Garlic config for a single clove, containing an I2NP message and no sub-cloves.
PcapWriter	Write a standard pcap file with a "TCP" packet that can be analyzed with standard tools such as wireshark.
PDef
PDef
PDPStatusBlock	Instances of this class model the primary data point status from an RRD file.
Peer	A single peer for a single torrent.
Peer
PeerAcceptor	Accepts incomming connections from peers.
PeerAcceptor.ProtocolException	A unique exception so we can tell the ConnectionAcceptor about non-BT connections
PeerCheckerTask	TimerTask that checks for good/bad up/downloader.
PeerConnectionIn
PeerConnectionOut
PeerCoordinator	Coordinates what peer does what.
PeerCoordinatorSet	Hmm, any guesses as to what this is? Used by the multitorrent functionality in the PeerAcceptor to pick the right PeerCoordinator to accept the con for.
PeerHelper
PeerID	Store the address information about a peer.
PeerListener	Listener for Peer events.
PeerManager	Manage the current state of the statistics Also maintain Sets for each of the capabilities in TRACKED_CAPS.
PeerManagerFacade	Manage peer references and keep them up to date so that when asked for peers, it can provide appropriate peers according to the criteria provided.
PeerManagerFacadeImpl	Base implementation that has simple algorithms and periodically saves state
PeerMonitorTask	Deprecated. unused, for command line client only, commented out in Snark.java
PeerProfile	Copied from http://www.i2p2.i2p/how_peerselection.html See also main() below for additional commentary by zzz.
Peers	All the peers for a single torrent
PeerSelectionCriteria	Defines the criteria for selecting a set of peers for use when searching the PeerManager Only used by PeerTestJob, which may not have a point.
PeerSelector	Mostly unused, see overrides in FloodfillPeerSelector
PeerState	Contain all of the state about a UDP connection to a peer.
PeerState
PeerState2	Contain all of the state about a UDP connection to a peer.
PeerStateDestroyed	Small, stub version of PeerState2, for handling destroy acks with possible tokens in them.
PeerTestEvent	Initiate a test (we are Alice)
PeerTestJob	Grab some peers that we want to test and probe them briefly to get some more accurate and up to date performance data.
PeerTestManager	Entry points are runTest() to start a new test as Alice, and receiveTest() for all received test packets.
PeerTestState	Track the state of a peer test.
PeerTestState.Role
PendingGatewayMessage	Stores all the state for an unsent or partially-sent message
PerfectStringHash	A "minimal perfect hash" for Strings.
PersistDHT	Retrieve / Store the local DHT in a file
PersistenceHelper	Output rate data.
PersistentDataStore	Write out keys to disk when we get them and periodically read ones we don't know about into memory, with newly read routers are also added to the routing table.
PersistentKeyRing	ConcurrentHashMap with backing in the router.config file.
PersistentMailCache	Manage the on-disk cache.
PersistNews	Store and retrieve news entries from disk.
PersistRouterInfoJob	Update the router.info file whenever its, er, updated
PersistSybil	Store and retrieve analysis files from disk.
Piece	This class is used solely by PeerCoordinator.
Pinger
PlotElement
Plottable	Deprecated. use implementations of IPlottable instead
PluginStarter	Start/stop/delete plugins that are already installed Get properties of installed plugins Get or change settings in plugins.config
PluginStopper	Stop all plugins that are installed and running
PluginUpdateChecker	Check for an updated version of a plugin.
PluginUpdateHandler	Check for or download an updated version of a plugin.
PluginUpdateRunner	Check for an updated version of a plugin.
Points	A total score and a List of reason Strings
PoisonI2CPMessage	For marking end-of-queues in a standard manner.
Poly1305	Simple implementation of the Poly1305 message authenticator.
PooledTunnelCreatorConfig	Data about a tunnel we created
POP3MailBox
POP3MailBox.FetchRequest
PortableWorkingDir	Get a relative working directory for i2p based upon properties by parent process.
PortMapper	Map services to internal or external application ports for this context.
PositionalParamsRetriever	Utility class for retrieving JSON-RPC 2.0 positional parameters (packed into a JSON Array).
PQEntry	For PriBlockingQueue
PresentationListener
PriBlockingQueue<E extends PQEntry>	Priority Blocking Queue using methods in the entries, as defined in PQEntry, to store priority and sequence number, ensuring FIFO order within a priority.
PrimarySession	A session that does nothing, but implements interfaces for raw, datagram, and streaming for convenience.
PrintText
PrivateKey	Defines the PrivateKey as defined by the I2P data structure spec.
PrivateKeyFile	This helper class reads and writes files in the same "eepPriv.dat" format used by the client code.
ProfileManager
ProfileManagerImpl	Methods to update profiles.
ProfileOrganizer	Keep the peer profiles organized according to the tiered model.
ProfileOrganizer.Slice	Replaces integer subTierMode argument, for clarity
ProfileOrganizerRenderer	Helper class to refactor the HTML rendering from out of the ProfileOrganizer
ProfilePersistenceHelper	Write profiles to disk at shutdown, read at startup.
ProfilesHelper
Property
PropertyList
Protocol	Class aggregating operations that can be performed for sending/receiving/reading Protocol messages
PTR	A PTR record is handled like a CNAME.
PublicKey	Defines the PublicKey as defined by the I2P data structure spec.
PublicSuffixList	Public suffix is a set of DNS names or wildcards concatenated with dots.
PublicSuffixListParser	Parses the list from publicsuffix.org and configures a PublicSuffixFilter.
PublicSuffixMatcher	Utility class that can test if DNS names match the content of the Public Suffix List.
PublishLocalRouterInfoJob	Publish the local router's RouterInfo periodically.
PumpedTunnelGateway	This is used for all gateways with more than zero hops.
QRCode
QRCodeWriter	This object renders a QR Code as a BitMatrix 2D array of greyscale values.
QRServlet	This servlet generates QR code images.
QueryListener
QueryRequest
QueryResponse
Question	A DNS question (request).
QueuedClientConnectionRunner	Zero-copy in-JVM.
QueuedI2CPMessageReader	Get messages off an In-JVM queue, zero-copy.
QuotedPrintable	ref: https://en.wikipedia.org/wiki/Quoted-printable
RAIFile
RandomAccessInterface
RandomArt	Draw an ASCII-Art representing the fingerprint so human brain can profit from its built-in pattern recognition ability.
RandomArtServlet	This servlet generates random art (visual identifier) images.
RandomIfOldTrimmer<T extends SimpleDataStructure>	Removes a random element, but only if the bucket hasn't changed in 5 minutes.
RandomIterator<E>	This is some Java code I wrote for a school project to save some time when iterating in random order over a part of list (until some condition becomes true): Here is a sample on how to use the code:
RandomSource	Singleton for whatever PRNG i2p uses.
RandomTrimmer<T extends SimpleDataStructure>	Removes a random element.
RatchetEntry	Simple object with outbound tag, key, and nonce, and an optional next keys.
RatchetPayload	Ratchet payload generation and parsing
RatchetPayload.AckBlock
RatchetPayload.AckRequestBlock
RatchetPayload.Block	Base class for blocks to be transmitted.
RatchetPayload.DateTimeBlock
RatchetPayload.GarlicBlock
RatchetPayload.NextKeyBlock
RatchetPayload.OptionsBlock
RatchetPayload.PaddingBlock
RatchetPayload.PayloadCallback	For all callbacks, recommend throwing exceptions only from the handshake.
RatchetPayload.PNBlock
RatchetPayload.TerminationBlock
RatchetSessionTag	8 bytes of random data.
RatchetSKM
RatchetTagSet	A tagset class for one direction, either inbound or outbound.
Rate	Simple rate calculator for periodically sampled data points - determining an average value over a period, the number of events in that period, the maximum number of events (using the interval between events), and lifetime data.
RateAverages	Storage space for computations of various averages.
RateStat	coordinate a moving rate over various periods
RateSummaryListener	Receive the state of the rate when its coallesced
ReadBuffer	Input only for constant data, initialized from a byte array.
ReadConfigJob	Simply read the router config periodically, so that the user may make config changes externally.
ReadCounter	Count the bytes that have been read or skipped
Reader	Instances of this class provide a reader for the MaxMind DB format.
Reader	Pool of running threads which will process any read bytes on any of the NTCPConnections, including the decryption of the data read, connection handshaking, parsing bytes into I2NP messages, etc.
Reader.FileMode	The file mode to use when opening a MaxMind DB.
ReaderException	The general exception class throw when something goes wrong during decoding of a barcode.
ReadLine	Modified from I2PTunnelHTTPServer Handles UTF-8.
RebuildRouterInfoJob	This used be called from StartAcceptingClientsJob but is now disabled.
ReceiveMessageBeginMessage	Defines the message a client sends to a router when asking the router to start sending a message to it.
ReceiveMessageEndMessage	Defines the message a client sends to a router when asking the router to start sending a message to it.
ReconfigureSessionMessage	Defines the message a client sends to a router when updating the config on an existing session.
Record<D extends Data>	A generic DNS record.
Record.CLASS	The symbolic class of a DNS record (usually Record.CLASS.IN for Internet).
Record.TYPE	The resource record type.
Recorder	Definition of a recorder.
RedDSAEngine	Signing and verification for REdDSA using SHA-512 and the Ed25519 curve.
RedKeyPairGenerator	Default keysize is 256 (Ed25519)
ReedSolomonEncoder	Implements Reed-Solomon encoding, as the name implies.
RefreshRoutersJob	Go through all the routers once, after startup, and refetch their router infos.
Region
RejectTrimmer<T extends SimpleDataStructure>	Removes nothing and always rejects the add.
RemoteHostId	Unique ID for a peer - its IP + port, all bundled into a tidy obj.
RemovableSingletonSet<E>	Like Collections.singleton() but item is removable, clear() is supported, and the iterator supports remove().
RenewSubscriber
ReplyCallback	ECIES will call this back if an ack was requested and received.
ReplyJob	Defines an executable task that can be fired off in reply to a message
ReportAbuseJob	Async job to send an abuse message to the client
ReportAbuseMessage	Defines the message a client sends to a router when asking the router what its address visibility is
Republish	Periodically publish our RouterInfo to the netdb
RepublishLeaseSetJob	Run periodically for each locally created leaseSet to cause it to be republished if the client is still connected.
Request	Holds all information needed for a partial piece request.
RequestHandler	Interface for handling JSON-RPC 2.0 requests.
RequestLeaseSetJob	Async job to walk the client through generating a lease set.
RequestLeaseSetMessage	Defines the message a router sends to a client to request that a leaseset be created and signed.
RequestLeaseSetMessageHandler	Handle I2CP RequestLeaseSetMessage from the router by granting all leases, using the specified expiration time for each lease.
RequestThrottler	Like ParticipatingThrottler, but checked much earlier, cleaned more frequently, and with more than double the min and max limits.
RequestVariableLeaseSetMessage	Defines the message a router sends to a client to request that a leaseset be created and signed.
RequestVariableLeaseSetMessageHandler	Handle I2CP RequestVariableLeaseSetMessage from the router by granting all leases, retaining the individual expiration time for each lease.
RequestWrapper	Refactored in 0.9.33 to use Servlet 3.0 API and remove dependency on old Jetty 5 MultiPartRequest code.
ReseedBundler	Copy a random selection of 'count' router infos from configDir/netDb to 'toDir'.
ReseedChecker	Moved from RouterConsoleRunner.java Reseeding is not strictly a router function, it used to be in the routerconsole app, but this made it impossible to bootstrap an embedded router lacking a routerconsole, in iMule or android for example, without additional modifications.
Reseeder	Moved from ReseedHandler in routerconsole.
ReseedGenerator	Handler to create a i2preseed.zip file
ReseedHandler	Handler to deal with reseed requests.
ReservedLdhLabel	A reserved LDH label (R-LDH label), which have the property that they contain "--" in the third and fourth characters.
ResettableGZIPInputStream	GZIP implementation per RFC 1952, reusing java's standard CRC32 and Inflater and InflaterInputStream implementations.
ResettableGZIPOutputStream	GZIP implementation per RFC 1952, reusing java's standard CRC32 and Deflater implementations.
ResourceHelper
Restarter
ResultsTextPane
RetransmissionTimer	Per-destination timer
ReusableGZIPInputStream	Provide a cache of reusable GZIP unzipper streams.
ReusableGZIPOutputStream	Provide a cache of reusable GZIP streams, each handling up to 40 KB output without expansion.
RFC3339Date	Adapted from net.i2p.router.util.RFC822Date.
RFC822Date	Moved from NewsFetcher
Robin	Class to represent archive values for a single datasource.
RobinArray	Class to represent archive values for a single datasource.
RobinMatrix	Class to represent archive values for a single datasource.
RootDescription
Router	Main driver for the router.
RouterAddress	Defines a method of communicating with a router For efficiency, the options methods and structures here are unsynchronized.
RouterApp	If a class started via clients.config implements this interface, it will be used to manage the client, instead of starting with main() Clients implementing this interface MUST provide the following constructor: public MyClientApp(RouterContext context, ClientAppManager listener, String[] args) {...} All parameters are non-null.
RouterAppManager	Notify the router of events, and provide methods for client apps to find each other.
RouterClock	Alternate location for determining the time which takes into account an offset.
RouterClock.ClockShiftListener
RouterConsoleRunner	Start the router console.
RouterContext	Build off the core I2P context to provide a root for a router instance to coordinate its resources.
RouterDoSThrottle	Deprecated. unused
RouterFragmentHandler	Minor extension to allow message history integration
RouterIdentity	Defines the unique identifier of a router, including any certificate or public key.
RouterInfo	Defines the data that a router either publishes to the global routing table or provides to trusted peers.
RouterInfoHandler
RouterKeyGenerator	Component to manage the munging of hashes into routing keys - given a hash, perform some consistent transformation against it and return the result.
RouterLaunch	This is the class called by the runplain.sh script on linux and the i2p.exe launcher on Windows.
RouterManager	Handle communications with the router instance.
RouterManagerHandler
RouterManagerHandler.UpdateWrapperManagerTask
RouterPasswordManager	Manage both plaintext and salted/hashed password storage in router.config.
RouterPrivateKeyFile	Same format as super, simply adds a method to treat it as a RouterIdentity instead of a Destination.
RouterRestartException	An I2PException thrown from I2PServerSocket.accept() when the router is restarting.
RouterThrottle	Gatekeeper for deciding whether to throttle the further processing of messages through the router.
RouterThrottleImpl	Simple throttle that basically stops accepting messages or nontrivial requests if the jobQueue lag is too large.
RouterTimestamper	Periodically query a series of NTP servers and update any associated listeners.
RouterVersion	Expose a version string
RouterWatchdog	Periodically check to make sure things haven't gone totally haywire (and if they have, restart the JVM)
RoutingKeyGenerator	Component to manage the munging of hashes into routing keys - given a hash, perform some consistent transformation against it and return the result.
RpnCalculator
RrdAllocator	An internal usage class.
RRDatabase	Instances of this class model Round Robin Database (RRD) files.
RrdBackend	Base implementation class for all backend classes.
RrdBackendAnnotation	Description of a RrdBackendFactory
RrdBackendException	Wrap a exception generated by the backend store
RrdBackendFactory	Base (abstract) backend factory class which holds references to all concrete backend factories and defines abstract methods which must be implemented in all concrete factory implementations.
RrdByteArrayBackend	Abstract byte array based backend.
RrdDb	Main class used to create and manipulate round robin databases (RRDs).
RrdDb.Builder	Builder for RrdDb instances.
RrdDbPool	This class should be used to synchronize access to RRD files in a multithreaded environment.
RrdDef	Class to represent definition of new Round Robin Database (RRD).
RrdDefTemplate	Class used to create an arbitrary number of RrdDef (RRD definition) objects from a single XML template.
RrdDouble<U extends RrdUpdater<U>>
RrdDoubleArray<U extends RrdUpdater<U>>
RrdDoubleMatrix<U extends RrdUpdater<U>>
RrdEnum<U extends RrdUpdater<U>,E extends Enum<E>>
RrdException	A general purpose RRD4J exception.
RRDFile	This class is used read information from an RRD file.
RrdFileBackend	An abstract backend which is used to store RRD data to ordinary files on the disk.
RrdFileBackendFactory	An abstract backend factory which is used to store RRD data to ordinary files on the disk.
RrdGraph	Class which actually creates Rrd4j graphs (does the hard work).
RrdGraphConstants	Class to represent various constants used for graphing.
RrdGraphConstants.FontConstructor	Font constructor, to use embedded fonts.
RrdGraphConstants.FontTag	Allowed font tag names which can be used in RrdGraphDef.setFont(org.rrd4j.graph.RrdGraphConstants.FontTag, java.awt.Font) method
RrdGraphDef	Class which should be used to define new Rrd4j graph.
RrdGraphDef.ImageSource	Implementations of this class can be used to generate image than can be layered on graph.
RrdGraphInfo	Class to represent successfully created Rrd4j graph.
RrdInt<U extends RrdUpdater<U>>
RrdLong<U extends RrdUpdater<U>>
RrdMemoryBackend	Backend to be used to store all RRD bytes in memory.
RrdMemoryBackendFactory	Factory class which creates actual RrdMemoryBackend objects.
RrdNioBackend	Backend which is used to store RRD data to ordinary disk files using java.nio.* package.
RrdNioBackendFactory	Factory class which creates actual RrdNioBackend objects.
RrdPrimitive<U extends RrdUpdater<U>>
RrdRandomAccessFileBackend	Backend which is used to store RRD data to ordinary files on the disk.
RrdRandomAccessFileBackendFactory	Factory class which creates actual RrdRandomAccessFileBackend objects.
RrdSafeFileBackend	Backend which is used to store RRD data to ordinary files on the disk, using locking.
RrdSafeFileBackend.Counters
RrdSafeFileBackendFactory	Factory class which creates actual RrdSafeFileBackend objects.
RrdString<U extends RrdUpdater<U>>
RrdSyncThreadPool	Thread pool used by RrdNioBackend instances to periodically sync the mapped file to disk.
RrdSyncThreadPool.DaemonThreadFactory	Daemon thread factory used by the monitor executors.
RrdToolkit	Class used to perform various complex operations on RRD files.
RrdToolReader
RrdUpdater<T extends RrdUpdater<T>>
RRSIG	RRSIG record payload.
RRWithTarget	A resource record pointing to a target.
RSAConstants	Constants for RSA
RSASigningPrivateCrtKey	A SigningPrivateKey that retains the Chinese Remainder Theorem parameters, so it can be converted back to a Java CRT key.
Rule
RunStandalone
SAMBridge	SAM bridge implementation.
SAMClientEventListenerImpl	Basic noop client event listener
SAMDatagramReceiver	Interface for sending raw data to a SAM client
SAMDatagramSession	SAM DATAGRAM session class.
SAMEventHandler	Simple helper implementation of a the SAMClientEventListener
SAMException	Exception thrown by SAM methods
SAMHandler	Base class for SAM protocol handlers.
SAMHandlerFactory	SAM handler factory class.
SAMInvalidDirectionException	Exception thrown by SAM methods when an application tries to create outgoing connections through a receive-only SAM session.
SAMMessageSess	Base interface for SAMMessageSession, which is the base for v1/v3 datagram and raw sessions.
SAMMessageSession	Base abstract class for SAM message-based sessions.
Sample	Class to represent data source values for the given timestamp.
SAMRawReceiver	Interface for sending raw data to a SAM client
SAMRawSession	SAM RAW session class.
SAMReader	Read from a socket, producing events for any SAM message read
SAMReader.SAMClientEventListener	Async event notification interface for SAM clients
SAMSecureSession	This is the "default" implementation of the SAMSecureSession @interface that behaves exactly like SAM without interactive authentication.
SAMSecureSessionInterface	SAMSecureSessionInterface is used for implementing interactive authentication to SAM applications.
SAMStreamReceiver	Interface for sending streaming data to a SAM client
SAMStreamSend	Swiss army knife tester.
SAMStreamSession	SAM STREAM session class.
SAMStreamSession.StreamSender	Lets us push data through the stream without blocking, (even after exceeding the I2PSocket's buffer)
SAMStreamSink	Swiss army knife tester.
SAMUtils	Miscellaneous utility methods used by SAM protocol handlers.
SAMv1Handler	Class able to handle a SAM version 1 client connections.
SAMv2Handler	Class able to handle a SAM version 2 client connection.
SAMv2StreamSession	SAMv2 STREAM session class.
SAMv3DatagramServer	This is the thread listening on 127.0.0.1:7655 or as specified by sam.udp.host and sam.udp.port properties.
SAMv3DatagramSession
SAMv3Handler	Class able to handle a SAM version 3 client connection.
SAMv3RawSession
SAMv3StreamSession	SAMv3 STREAM session class.
ScalarOps
SchedulerChooser	Examine a connection's state and pick the right scheduler for it.
SchedulerClosed	Scheduler used for after both sides have had their close packets ACKed, but the final timeout hasn't passed.
SchedulerClosing	Scheduler used for after both SYNs have been ACKed and both sides have closed the stream, but either we haven't ACKed their close or they haven't ACKed ours.
SchedulerConnectedBulk	Scheduler used for after our SYN has been sent and ACKed but one (or more) sides haven't closed the stream yet.
SchedulerConnecting	Scheduler used once we've sent our SYN but it hasn't been ACKed yet.
SchedulerDead	Scheduler used for after the final timeout has passed or the connection was reset.
SchedulerHardDisconnected	Scheduler used after we've locally done a hard disconnect, but the final timeout hasn't passed.
SchedulerImpl	Base scheduler
SchedulerPreconnect	Scheduler used for locally created connections where we have not yet sent the initial SYN packet.
SchedulerReceived	Scheduler used after receiving an inbound connection but before we have sent our own SYN.
SDSCache<V extends SimpleDataStructure>	A least recently used cache with a max size, for SimpleDataStructures.
SearchHelper	Helper for searches.
SearchJob	Search for a particular key iteratively until we either find a value or we run out of peers Note that this is rarely if ever used directly, and is primary used by the ExploreJob extension.
SearchListener
SearchMessageSelector	Check to see the message is a reply from the peer regarding the current search
SearchReplyJob
SearchResponseListener
SearchState	Data related to a particular search
SearchUpdateReplyFoundJob	Called after a match to a db search is found Used only by SearchJob which is only used by ExploreJob
SecureDirectory	Same as File but sets the file mode after mkdir() so it can be read and written by the owner only (i.e.
SecureFile	Same as SecureDirectory but sets the file mode after createNewFile() and createTempFile() also.
SecureFileOutputStream	Same as FileOutputStream but sets the file mode so it can only be read and written by the owner only (i.e.
SecurityManager	Manage the password storing for I2PControl.
SelectionCollector<T extends SimpleDataStructure>	Visit kbuckets, gathering matches
SelfSignedGenerator	Generate keys and a selfsigned certificate, suitable for storing in a Keystore with KeyStoreUtil.storePrivateKey().
SendMessageDirectJob	Send a message directly to another router, i.e.
SendMessageExpiresMessage	Same as SendMessageMessage, but with an expiration to be passed to the router As of 0.8.4, retrofitted to use DateAndFlags.
SendMessageMessage	Defines the message a client sends to a router to ask it to deliver a new message
SendMessageOptions	Advanced options attached to a single outgoing I2CP message.
SendMessageOptions.GzipOption	Overrides i2cp.gzip session option and size threshold for this message only.
SendMessageOptions.Reliability	Reliability bits 9-10
SendMessageStatusListener	Asynchronously notify the client of the status of a sent message.
Serializer<T>
Service	Define the manageable service interface for the subsystems in the I2P router
Service
ServiceData
ServiceList
ServiceStateTable
Servlet	A wrapper for addressbook to allow it to be started as a web application.
ServletUtil	Simple utilities for servlets.
Session	A V3 session.
SessionConfig	Defines the information a client must provide to create a session
SessionId	Defines the token passed between the router and client to associate messages with a particular session.
SessionIdleTimer	Reduce tunnels or shutdown the session on idle if so configured
SessionKey	Defines the SessionKey as defined by the I2P data structure spec.
SessionKeyAndNonce	A session key is 32 bytes of data.
SessionKeyManager	Manage the session keys and session tags used for encryption and decryption.
SessionRecord	The values in the SessionsDB
SessionsDB	basically a HashMap from String to SessionRecord
SessionsDB.ExistingDestException
SessionsDB.ExistingIdException
SessionStatusMessage	Defines the message a router sends to a client indicating the status of the session.
SessionStatusMessageHandler	Handle I2CP SessionStatusMessagese from the router, updating the session as necssary.
SessionTag	32 bytes, usually of random data.
SessionTagListener	Something that looks for SessionTags.
SetDateMessage	Tell the other side what time it is.
SetDateMessageHandler	Handle I2CP time messages from the router
SevenBit	Decode only.
SHA1	NOTE: As of 0.8.7, use getInstance() instead of new SHA1(), which will return the JVM's MessageDigest if it is faster.
SHA1Hash	Because DSAEngine was abusing Hash for 20-byte hashes
SHA256Generator	Defines a wrapper for SHA-256 operation.
ShellCommand	Passes a command to the OS shell for execution and manages the input and output.
ShellService	Alternative to ShellCommand for plugins based on ProcessBuilder, which manages a process and keeps track of it's state by maintaining a Process object.
ShortEncryptedBuildRecord	Small records.
ShortTunnelBuildMessage	Variable size, small records.
ShortTunnelBuildReplyMessage	Internal use only, to convert an inbound STBM to a reply.
ShutdownHook	Just for failsafe.
ShutdownListener	Callback for end of shutdown sequence.
SigAlgo	Base signature algorithm type
SigContext	Defines the context for signing with personalized hashes.
SigContext.SigContextSpec	The AlgorithmParameterSpec.
Signature	Defines the signature as defined by the I2P data structure spec.
SigningPrivateKey	Defines the SigningPrivateKey as defined by the I2P data structure spec.
SigningPublicKey	Defines the SigningPublicKey as defined by the I2P data structure spec.
SigType	Defines the properties for various signature types that I2P supports or may someday support.
SigUtil	Utilities for Signing keys and Signatures
SimpleBandwidthEstimator	A Westwood+ bandwidth estimator with a first stage anti-aliasing low pass filter based on RTT, and the time-varying Westwood filter based on inter-arrival time.
SimpleBandwidthEstimator	A Westwood+ bandwidth estimator with a first stage anti-aliasing low pass filter based on RTT, and the time-varying Westwood filter based on inter-arrival time.
SimpleByteCache	Like ByteCache but works directly with byte arrays, not ByteArrays.
SimpleDataStructure	A SimpleDataStructure contains only a single fixed-length byte array.
SimpleScheduler	Deprecated. in 0.9.20, use SimpleTimer2 instead
SimpleStore	Deprecated - used only by SimpleTimer
SimpleTimeLabelFormat	Simple time label using a format similar to strftime.
SimpleTimer	Simple event scheduler - toss an event on the queue and it gets fired at the appropriate time.
SimpleTimer.TimedEvent	Simple interface for events to be queued up and notified on expiration
SimpleTimer2	Simple event scheduler - toss an event on the queue and it gets fired at the appropriate time.
SimpleTimer2.TimedEvent	Similar to SimpleTimer.TimedEvent but users must extend instead of implement, and all schedule and cancel methods are through this class rather than SimpleTimer2.
SingleFileNamingService	A naming service based on a single file using the "hosts.txt" format.
SingleLookupJob	Ask the peer who sent us the DSRM for the RouterInfos...
SingleSearchJob	Ask a single peer for a single key.
SingleTagSet	Inbound ES tagset with a single tag and key.
Sink
SipHash	Wrapper around SipHashInline with constant per-JVM keys
SipHashInline	SipHash implementation with hand inlining the SIPROUND.
SkipIterator<K extends Comparable<? super K>,V>	A basic iterator for a skip list.
SkipLevels<K extends Comparable<? super K>,V>
SkipList<K extends Comparable<? super K>,V>
SkipSpan<K extends Comparable<? super K>,V>
SMTPClient
Snark	Main Snark program startup class.
Snark.RouterException	A unique exception class to blame the router that can be caught by SnarkManager
SnarkManager	Manage multiple snarks
SnarkShutdown	Deprecated. unused
SOA	SOA (start of authority) record payload.
SOAP
SOAPRequest
SOAPResponse
SocketController	This handles the starting and stopping of a ServerSocket from a single static class so it can be called via clients.config.
SocketListener
SocketTimeout	Implements one or two timers; one for inactivity, that is reset by resetTimer(), and optionally, a total time since instantiation, that is configured by setTotalTimeoutPeriod().
SocketWrapper	Wrapper around the Socket obtained from the Outproxy, which is a wrapper around the Orchid Stream.
SOCKS4aServer
SOCKS4Client	A simple SOCKS 4/4a client.
SOCKS4Constants
SOCKS4Constants.Command
SOCKS4Constants.Reply
SOCKS5Client	A simple SOCKS 5 client.
SOCKS5Constants
SOCKS5Constants.AddressType
SOCKS5Constants.Command
SOCKS5Constants.Method
SOCKS5Constants.Reply
SOCKS5Server
SOCKSException	Exception thrown by socket methods
SOCKSHeader	Save the SOCKS header from a datagram Ref: RFC 1928
SOCKSServer	Abstract base class used by all SOCKS servers.
SOCKSServerFactory	Factory class for creating SOCKS forwarders through I2P
SOCKSUDPPort	Implements a UDP port and Socks encapsulation / decapsulation.
SOCKSUDPTunnel	A Datagram Tunnel that can have multiple bidirectional ports on the UDP side.
SOCKSUDPUnwrapper	Strip a SOCKS header off a datagram, convert it to a Destination and port Ref: RFC 1928
SOCKSUDPWrapper	Put a SOCKS header on a datagram Ref: RFC 1928
Sorters	Sorters
Sorters	Comparators for various columns
Sorters.DateSorter	sorts Mail objects by date field
Sorters.FileAndIndex	Class to precompute and efficiently sort data on a torrent file entry.
Sorters.SenderSorter	sorts Mail objects by sender field
Sorters.SizeSorter	sorts Mail objects by message size
Sorters.SubjectSorter	sorts Mail objects by subject field
Sorters.ToSorter	sorts Mail objects by to: fields
SortHelper	The sorting of addresses in RIs
Source
Source
Source
SourcedPlotElement
Span
SparseArray<E>	SparseArray maps integers to Objects and, unlike a normal array of Objects, its indices can contain gaps.
SpeedCalculator	Quantify how fast the peer is - how fast they respond to our requests, how fast they pass messages on, etc.
SpeedComparator	Order profiles by their speed (lowest first).
Spinner	A non-daemon thread to let the shutdown task get all the way to the end
SpinnerNumberModel
SplitKeys	Standard Noise split().
SRV	SRV record payload (service pointer).
SSDP	This class defines constant value related to SSDP. All the values defined here are complaint to the UPnP Standard
SSDPNotifyRequest
SSDPNotifySocket	This class identifies a SSDP socket only for notifing packet.
SSDPNotifySocketList
SSDPPacket
SSDPRequest
SSDPResponse
SSDPSearchRequest
SSDPSearchResponse
SSDPSearchResponseSocket
SSDPSearchResponseSocketList
SSDPSearchSocket
SSDPSearchSocketList
SSLClientListenerRunner	SSL version of ClientListenerRunner
SSLClientUtil	Utilities for I2PTunnel client SSL server sockets.
SSLEepGet	HTTPS only, no retries, no min and max size options, no timeout option As of 0.9.45, supports redirect to https (redirect to http will still fail).
SSLEepGet.ProxyType	Not all may be supported.
SSLEepGet.SSLState	An opaque class for the caller to pass to repeated instantiations of SSLEepGet.
SSLHelper	Helper class for ssl.jsp
SSLServerSocketChannel	Simple wrapper for a SSLServerSocket.
SSLSocketChannel	Simple wrapper for a SSLSocket.
SSLUtil	Utilities for SAM SSL server sockets.
SSLUtil	Utilities for SAM SSL server sockets.
SSU2Bitfield	Container of a long array representing set and unset bits.
SSU2Bitfield.Callback
SSU2Header	Encrypt/decrypt headers
SSU2Header.Header	A temporary structure returned from trial decrypt, with methods to access the fields.
SSU2Payload	SSU2 Payload generation and parsing
SSU2Payload.AckBlock
SSU2Payload.AddressBlock
SSU2Payload.Block	Base class for blocks to be transmitted.
SSU2Payload.DateTimeBlock
SSU2Payload.FirstFragBlock	Same format as I2NPBlock
SSU2Payload.FollowFragBlock
SSU2Payload.I2NPBlock
SSU2Payload.NewTokenBlock
SSU2Payload.OptionsBlock
SSU2Payload.PaddingBlock
SSU2Payload.PathChallengeBlock
SSU2Payload.PathResponseBlock
SSU2Payload.PayloadCallback	For all callbacks, recommend throwing exceptions only from the handshake.
SSU2Payload.PeerTestBlock
SSU2Payload.RelayIntroBlock
SSU2Payload.RelayRequestBlock
SSU2Payload.RelayResponseBlock
SSU2Payload.RelayTagBlock
SSU2Payload.RelayTagRequestBlock
SSU2Payload.RIBlock
SSU2Payload.TerminationBlock
SSU2Sender	Basic interface over top of PeerState2 and PeerStateDestroyed, so we can pass them both to PacketBuilder2 to send packets.
SSU2Util	SSU2 Utils and constants
SSUHMACGenerator	Calculate the HMAC-MD5-128 of a key+message.
ST
Stack
StandardServerSocket	Bridge to I2PServerSocket.
StandardSocket	Bridge to I2PSocket.
StartAcceptingClientsJob	start I2CP interface
StartExplorersJob	Fire off search jobs for random keys from the explore pool, up to MAX_PER_RUN at a time.
StartupJob	The StartupJob should be run once on router startup to initialize the system and set things in motion.
StatefulConnectionFilter	A ConnectionFilter that may hold state, can be started and stopped
StateVariable
StateVariableData
StatHelper	Dump the peer profile data if given a full B64 peer string or prefix.
StaticSnark	Main snark startup class for staticly linking with gcj.
StatisticsManager	Publishes some statistics about the router in the netDB.
StatLog	Component to be notified when a particular event occurs
StatManager	Coordinate the management of various frequencies and rates within I2P components, both allowing central update and retrieval, as well as distributed creation and use.
StatsGenerator	Dump the stats to the web admin interface
StatSummarizer	A thread started by RouterConsoleRunner that checks the configuration for stats to be tracked via jrobin, and adds or deletes RRDs as necessary.
StatusPanel	Class that displays status of tests being run.
Storage	Maintains pieces on disk.
StorageListener	Callback used when Storage changes.
StoreJob	Stores through this always request a reply.
StoreMessageSelector	Check to see the message is a reply from the peer regarding the current store
StoreState	Tracks the state of a StoreJob
Stream
StreamrConsumer	Compared to a standard I2PTunnel, this acts like a client on the I2P side (no privkey file) but a server on the UDP side (sends to a configured host/port)
StreamrProducer	Compared to a standard I2PTunnel, this acts like a server on the I2P side (persistent privkey file) but a client on the UDP side (receives on a configured port)
StrictCountries	Maintain a list of countries that may have tight restrictions on applications like ours.
StringBuilderWriter	StringBuilder version of StringWriter
StringBytes
StringSelection
StringUtil
StyledDocument
SU3File	Succesor to the ".sud" format used in TrustedUpdate.
Subscriber	server-mode
Subscriber
SubscriberList
Subscription	A subscription to a remote address book.
Subscription
SubscriptionIterator	An iterator over the subscriptions in a SubscriptionList.
SubscriptionList	A list of Subscriptions loaded from a file.
SubscriptionRequest
SubscriptionResponse
SubscriptionsBean
SubSession	An additional session using another session's connection.
SummaryBarRenderer	Refactored from summarynoframe.jsp to save ~100KB
SummaryHelper	Simple helper to query the appropriate router for data necessary to render the summary sections on the router console.
SummaryHelper.NetworkState
SummaryHelper.NetworkStateMessage	State message to be displayed to the user in the summary bar.
SummaryListener	Creates and updates the in-memory or on-disk RRD database, and provides methods to generate graphs of the data
SummaryRenderer	Generate the RRD graph png images, including the combined rate graph.
SybilRenderer	For debugging only.
SymmetricState	Symmetric state for helping manage a Noise handshake.
SyntheticREDQueue	A "synthetic" queue in that it doesn't actually queue anything.
SystemVersion	Methods to find out what system we are running on
TagSetHandle	An opaque handle to a TagSet returned by the SessionKeyManager, so that OCMOSJ can report that the tags were later acked, or not.
TaskScheduler	Coordinates what we do 'next'.
TCBShare	Share important TCP Control Block parameters across Connections to the same remote peer.
Tcpbw100	Main Applet class that creates UI, defines tests and interprets results from the tests.
TDef
TestJob	Repeatedly test a single tunnel for its entire lifetime, or until the pool is shut down or removed from the client manager.
ThreadCore
ThreadDump	Only works with wrapper on non-windows platforms
Threshold	Definition of a Threshold.
ThrottledPumpedTunnelGateway	Same as PTG, but check to see if a message should be dropped before queueing it.
TimeAxis
TimeAxisSetting
TimedWeightedPriorityMessageQueue	Weighted priority queue implementation for the outbound messages, coupled with code to fail messages that expire.
TimedWeightedPriorityMessageQueue.FailedListener
TimeLabelFormat	Simplified version of DateFormat for just defining how to map a timestamp into a label for presentation.
TimeoutPipedInputStream	Adds setReadTimeout().
TimeoutPipedOutputStream	Helper for TimeoutPipedInputStream.
TimeParser	Class which parses at-style time specification (described in detail on the rrdfetch man page), used in all RRDTool commands.
TimerUtil
TimeScanner
TimeSpec	Simple class to represent time obtained by parsing at-style date specification (described in detail on the rrdfetch man page.
Timestamper	Dummy.
Timestamper.UpdateListener	Interface to receive update notifications for when we query the time Only used by Clock.
TimeToken
TLSA
TLSA.CertUsage
TLSA.MatchingType
TLSA.Selector
Token	Used for Both outgoing and incoming tokens
TokenKey	Used to index incoming Tokens
Toolkit
TooManyStreamsException	We attempted to have more open streams than we are willing to put up with
Torrents	All the torrents
Tracker	A structure for known trackers
TrackerClient	Informs metainfo tracker of events and gets new peers for peer coordinator.
TrackerInfo	The data structure for the tracker response.
TransientDataStore	Stores in-memory only.
TransientSessionKeyManager	Implement the session key management, but keep everything in memory (don't write to disk).
Translate	Translate strings efficiently.
TranslateReader	Translate.
TranslateSVGServlet	Translate a svg file on-the-fly.
Transport	Defines a way to send a message to another peer and start listening for messages.
Transport.AddressSource
TransportBid	Provide a bid for how much it would "cost" to transfer a message of a particular peer
TransportEventListener
TransportImpl	Defines a way to send a message to another peer and start listening for messages
TransportManager	Keeps track of the enabled transports.
TransportManager.Port
TransportUtil
TransportUtil.IPv6Config
TrayManager	Manages the tray icon life.
TrivialPreprocessor	Do the simplest thing possible for preprocessing - for each message available, turn it into the minimum number of fragmented preprocessed blocks, sending each of those out.
TrivialRouterPreprocessor	Deprecated. unused
TrustedPluginKeys	Plugin keys we know about.
TrustedUpdate	Handles DSA signing and verification of update files.
TryCache<T>	An object cache which is safe to use by multiple threads without blocking.
TryCache.ObjectFactory<T>	Something that creates objects of the type cached by this cache
TunnelBuildMessage	The basic build message with 8 records.
TunnelBuildMessageBase	Base for TBM, TBRM, VTBM, VTBRM Retrofitted over them.
TunnelBuildReplyMessage	The basic build reply message with 8 records.
TunnelConfig	Helper class to generate a valid TunnelController configuration from provided settings.
TunnelController	Coordinate the runtime operation and configuration of a single I2PTunnel.
TunnelControllerGroup	Coordinate a set of tunnels within the JVM, loading and storing their config to disk, and building new ones as requested.
TunnelControllerGroup.CustomThreadPoolExecutor	Not really needed for now but in case we want to add some hooks like afterExecute().
TunnelCreatorConfig	Coordinate the info that the tunnel creator keeps track of, including what peers are in the tunnel and what their configuration is See PooledTunnelCreatorConfig for the non-abstract class
TunnelDataMessage	Defines the message sent between routers as part of the tunnel delivery The tunnel ID is changed in-place by TunnelParticipant.send(), so we can't reuse the checksum on output, but we still subclass FastI2NPMessageImpl so we don't verify the checksum on input...
TunnelDispatcher	Handle the actual processing and forwarding of messages through the various tunnels.
TunnelDispatcher.Location	for shouldDropParticipatingMessage()
TunnelGateway	Serve as the gatekeeper for a tunnel, accepting messages, coallescing and/or fragmenting them before wrapping them up for tunnel delivery.
TunnelGateway.QueuePreprocessor
TunnelGateway.Receiver
TunnelGateway.Sender
TunnelGatewayMessage	Defines the message sent between one tunnel's endpoint and another's gateway.
TunnelGatewayPumper	Run through the tunnel gateways that have had messages added to them and push those messages through the preprocessing and sending process.
TunnelGatewayZeroHop	Serve as the gatekeeper for a tunnel with no hops, either inbound or outbound.
TunnelHelper
TunnelHistory	Tunnel related history information
TunnelId	Defines the tunnel ID that messages are passed through on a set of routers.
TunnelInfo	Defines the information associated with a tunnel
TunnelManagerFacade	Build and maintain tunnels throughout the network.
TunnelParticipant	Participate in a tunnel at a location other than the gateway or outbound endpoint.
TunnelPeerSelector	Coordinate the selection of peers to go into a tunnel for one particular pool.
TunnelPool	A group of tunnels for the router or a particular client, in a single direction.
TunnelPoolManager	Manage all the exploratory and client tunnel pools.
TunnelPoolSettings	Wrap up the settings for a pool of tunnels.
TunnelRenderer	For /tunnels.jsp, used by TunnelHelper.
TXT	A TXT record.
UDPAddress	basic helper to parse out peer info from a udp address
UDPEndpoint	Coordinate the low-level datagram socket, creating and managing the UDPSender and UDPReceiver.
UDPPacket	Basic delivery unit containing the datagram.
UDPPacketReader	To read a packet, initialize this reader with the data and fetch out the appropriate fields.
UDPReceiver	Lowest level component to pull raw UDP datagrams off the wire as fast as possible, controlled by both the bandwidth limiter and the router's throttle.
UDPSender	Lowest level packet sender, pushes anything on its queue ASAP.
UDPSink
UDPSorters	Comparators for various columns
UDPSorters.AlphaComparator
UDPSorters.CwndComparator
UDPSorters.DupComparator
UDPSorters.IdleInComparator
UDPSorters.IdleOutComparator
UDPSorters.MTUComparator
UDPSorters.PeerComparator
UDPSorters.RateInComparator
UDPSorters.RateOutComparator
UDPSorters.RecvCountComparator
UDPSorters.ResendComparator
UDPSorters.RTOComparator
UDPSorters.RTTComparator
UDPSorters.SendCountComparator
UDPSorters.SkewComparator
UDPSorters.SsthreshComparator
UDPSorters.UptimeComparator
UDPSource
UDPTrackerClient	One of these for all trackers and info hashes.
UDPTrackerClient.TrackerResponse
UDPTransport	The SSU transport
UIMessages	A queue of messages, where each has an ID number.
UIMessages.Message
UnderscoreLabel	A DNS label which begins with an underscore ('_').
UnivalArray	This class is used to read a unival from a file unival is a rrdtool type, defined in rrd_format.h
UNKNOWN
UnknownCPUException
UnknownEdnsOption
UnknownI2NPMessage	This is similar to DataMessage or GarlicMessage but with a variable message type.
UnmodifiableSortedSet<E>	Efficient implementation of a SortedSet stored in a fixed-size array.
UnsignedUpdateChecker	Does a simple EepHead to get the last-modified header.
UnsignedUpdateHandler	Handles the request to update the router by firing off an EepGet call to download the latest unsigned zip file and displaying the status to anyone who asks.
UnsignedUpdateRunner	Eepget the .zip file to the temp dir, then notify.r Moved from UnsignedUpdateHandler and turned into an UpdateTask.
UnsupportedCryptoException	Signature verification failed because the sig type is unknown or unavailable.
UpdateHandler	Handles the request to update the router by firing one or more EepGet calls to download the latest signed update file and displaying the status to anyone who asks.
UpdateHandler	Handles the request to update the router by firing one or more EepGet calls to download the latest signed update file and displaying the status to anyone who asks.
UpdateHandler	Handles the request to update the router by firing up a magnet.
UpdateManager	The central resource coordinating updates.
UpdateMethod	Transport mechanism for getting something.
UpdatePostProcessor	An external class to handle complex processing of update files, where necessary instead of simply copying i2pupdate.zip to the config dir.
Updater	Controls one or more types of updates.
UpdateRoutingKeyModifierJob	Update the routing Key modifier every day at midnight (plus on startup).
UpdateRunner	The downloader for router signed updates, and the base class for all the other Checkers and Runners.
UpdateRunner	The downloader for router signed updates.
UpdateTask	A running check or download.
UpdateType	What to update
UPnP	This (and all in org/freenet, org/cybergarage, org/xmlpull) grabbed from freenet SVN, mid-February 2009 by zzz.
UPnP
UPnP.IPv6ForwardPort	Extended to store the requested IP to be forwarded.
UPnPManager	Bridge from the I2P RouterAddress data structure to the freenet data structures
UPnPScannerCallback	For Android MulticastLock.
UPnPStatus
URIUtil	URI Holder.
UrlLauncher	A quick and simple multi-platform URL launcher.
UserAgentTools
USN
UTF8Reader	An unbuffered version of InputStreamReader.
UTF8StringBytes	Added by I2P
Util	For NetDbRenderer and Sybil http://forums.sun.com/thread.jspa?threadID=597652
Util	Class defines various utility functions used in Rrd4j.
Util.Xml	Various DOM utility functions.
Utils	Basic utilities for EdDSA.
ValueAxis
ValueAxis.YLabel
ValueAxisLogarithmic
ValueAxisMrtg
ValueAxisSetting
ValueScaler
ValueScaler.Scaled
Variable	An abstract class to help extract single value from a set of value (VDEF in rrdtool) It can be used to add new fancy statistical calculation with rrd values
Variable.AVERAGE	Calculate the average of the data points.
Variable.ComparPercentElemen	The sort used by rrdtool for percent, where NaN < -INF < finite values < INF
Variable.FIRST	Find the first valid data point and it's timestamp
Variable.LAST	Find the first last valid point and it's timestamp
Variable.LSLCORREL	Calculate the correlation coefficient of the least squares line.
Variable.LSLINT	Calculate the y-intercept of the least squares line.
Variable.LSLSLOPE	Calculate the slop of the least squares line.
Variable.MAX	The biggest of the data points and it's time stamp (the first one) is stored.
Variable.MIN	The smallest of the data points and it's time stamp (the first one) is stored.
Variable.PercentElem	Store all the informations about a datasource point, for predictive and consistent sorting
Variable.PERCENTILE	Find the point at the n-th percentile.
Variable.PERCENTILENAN
Variable.STDDEV	Calculate the standard deviation for the data point.
Variable.TOTAL	Calculate the sum of the data points.
Variable.Value	This class store both the value and the time stamp It will be used by graph rendering legend
VariableTunnelBuildMessage	Variable number of records.
VariableTunnelBuildReplyMessage	Transmitted from the new outbound endpoint to the creator through a reply tunnel.
VDef
VDef
VerifiedDestination	Extend Destination with methods to verify its Certificate.
Version	See ISO 18004:2006 Annex D
Version.ECB	Encapsulates the parameters for one error-correction block in one symbol version.
Version.ECBlocks	Encapsulates a set of error-correction blocks in one symbol version.
VersionBean
VersionComparator	Compares versions.
VIACPUInfo	Moved out of CPUID.java
VIAInfoImpl	Moved out of CPUID.java
VMCommSystem	Hacked up in-VM comm system for talking between contexts within the same Java virtual machine.
VRule
VSpan
WebAppConfiguration	Add to the webapp classpath as specified in webapps.config.
WebAppProviderConfiguration	Work around the "No org.apache.tomcat.InstanceManager set in ServletContext" problem for eepsites with webapps.
WebAppProviderConfiguration.WAPConfiguration
WebAppStarter	Add, start or stop a webapp.
WebMail
WebPeer	BEP 19.
WindowAdapter
WindowEvent
WizardHandler	The new user wizard.
WizardHelper	The new user wizard.
WorkingDir	Get a working directory for i2p.
WrapperListener	Listen for events.
Writer	The base class for all objects which encode/generate a barcode image.
Writer	Pool of running threads which will transform the next I2NP message into something ready to be transferred over an NTCP connection, including the encryption of the data read.
WriterException	A base class which covers the range of exceptions which may occur when encoding a barcode using the Writer framework.
WriterOutputStream	Treat a writer as an output stream.
X25519DH	DH wrapper around Noise's Curve25519 with I2P types.
X25519KeyFactory	Try to keep DH pairs at the ready.
X25519Spec
XI2PLocationFilter	Adds a header, X-I2P-Location, to requests when they do **not** come in on an I2P hostname.
XML
XMLParser	Override so that XHTML is parsed correctly.
XmlReader
XmlTemplate	Class used as a base class for various XML template related classes.
XmlWriter	Extremely simple utility class used to create XML documents.
XnLabel	A label that begins with "xn--" and follows the LDH rule.
XORComparator<T extends SimpleDataStructure>	Help sort Hashes in relation to a base key using the XOR metric
XSSFilter
XSSRequestWrapper
YKGenerator	Precalculate the Y and K for ElGamal encryption operations.
ZipFileComment	Deprecated. scheduled for removal late 2017, not for external use
Zones	Country to continent mapping for NTP.