Class ClientHelloPreSharedKeyExtension

java.lang.Object

tech.kwik.agent15.extension.PreSharedKeyExtension

tech.kwik.agent15.extension.ClientHelloPreSharedKeyExtension

All Implemented Interfaces:

Extension

public class ClientHelloPreSharedKeyExtension
extends PreSharedKeyExtension

TLS Pre-Shared Key Extension, ClientHello variant. see https://datatracker.ietf.org/doc/html/rfc8446#section-4.2.11

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ClientHelloPreSharedKeyExtension.PskBinderEntry
static class	ClientHelloPreSharedKeyExtension.PskIdentity

Constructor Summary

Constructors

Constructor	Description
ClientHelloPreSharedKeyExtension(NewSessionTicket newSessionTicket)

Method Summary

Modifier and Type	Method	Description
void	calculateBinder(byte[] clientHello, int pskExtensionStartPosition, byte[] transcriptPrefix, BinderCalculator calculator)	Computes the binder for the given client hello.
int	getBinderPosition()
List<ClientHelloPreSharedKeyExtension.PskBinderEntry>	getBinders()
byte[]	getBytes()	Serializes the extension to a byte array, including the extension type and length.
List<ClientHelloPreSharedKeyExtension.PskIdentity>	getIdentities()
int	getType()
static ClientHelloPreSharedKeyExtension	parse(ByteBuffer buffer)	Parses a pre-shared key extension (ClientHello variant) from a byte stream.

Methods inherited from class Object

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

Constructor Details

ClientHelloPreSharedKeyExtension

public ClientHelloPreSharedKeyExtension(NewSessionTicket newSessionTicket)

Method Details

parse

public static ClientHelloPreSharedKeyExtension parse(ByteBuffer buffer)
                                              throws DecodeErrorException

Parses a pre-shared key extension (ClientHello variant) from a byte stream.

Parameters:

buffer -

Throws:

DecodeErrorException

getBytes

public byte[] getBytes()

Description copied from interface: Extension

Serializes the extension to a byte array, including the extension type and length.

Returns:

calculateBinder

public void calculateBinder(byte[] clientHello,
 int pskExtensionStartPosition,
 byte[] transcriptPrefix,
 BinderCalculator calculator)

Computes the binder for the given client hello.

Parameters:

clientHello - the serialized client hello

pskExtensionStartPosition - the position of this extension in the serialized client hello

transcriptPrefix - the transcript that precedes the client hello; empty for a first client hello, see https://datatracker.ietf.org/doc/html/rfc8446#section-4.2.11.2

calculator - computes the binder value

getIdentities

public List<ClientHelloPreSharedKeyExtension.PskIdentity> getIdentities()

getBinders

public List<ClientHelloPreSharedKeyExtension.PskBinderEntry> getBinders()

getBinderPosition

public int getBinderPosition()

getType

public int getType()

Returns:

the extension type, as defined in https://www.rfc-editor.org/rfc/rfc8446.html#section-4.2