Class ClientHello

java.lang.Object

tech.kwik.agent15.handshake.HandshakeMessage

tech.kwik.agent15.handshake.ClientHello

public class ClientHello
extends HandshakeMessage

https://datatracker.ietf.org/doc/html/rfc8446#section-4.1.2

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ClientHello.PskKeyEstablishmentMode

Field Summary

Fields

Modifier and Type	Field	Description
static final List<TlsConstants.CipherSuite>	SUPPORTED_CIPHERS

Constructor Summary

Constructors

Constructor	Description
ClientHello(String serverName, ECPublicKey publicKey)
ClientHello(String serverName, ECPublicKey publicKey, boolean compatibilityMode, List<Extension> extraExtensions)
ClientHello(String serverName, PublicKey publicKey, boolean compatibilityMode, List<TlsConstants.CipherSuite> supportedCiphers, List<TlsConstants.SignatureScheme> supportedSignatures, TlsConstants.NamedGroup ecCurve, List<Extension> extraExtensions, BinderCalculator binderCalculator, ClientHello.PskKeyEstablishmentMode pskKeyEstablishmentMode)
ClientHello(ByteBuffer buffer, ExtensionParser customExtensionParser)	Parses a ClientHello message from a byte stream.

Method Summary

Modifier and Type	Method	Description
byte[]	getBytes()
List<TlsConstants.CipherSuite>	getCipherSuites()
byte[]	getClientRandom()
List<Extension>	getExtensions()
int	getPskExtensionStartPosition()	Returns the start position of the PreSharedKeyExtension in the serialized ClientHello.
byte[]	getSessionId()
TlsConstants.HandshakeType	getType()
String	toString()

Methods inherited from class HandshakeMessage

checkForDuplicateExtensions, findPositionLastExtension, parseHandshakeHeader

Methods inherited from class Object

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

Field Details

SUPPORTED_CIPHERS

public static final List<TlsConstants.CipherSuite> SUPPORTED_CIPHERS

Constructor Details

ClientHello

public ClientHello(ByteBuffer buffer,
 ExtensionParser customExtensionParser)
            throws TlsProtocolException,
IllegalParameterAlert

Parses a ClientHello message from a byte stream.

Parameters:

buffer -

Throws:

TlsProtocolException

IllegalParameterAlert

ClientHello

public ClientHello(String serverName,
 ECPublicKey publicKey)

ClientHello

public ClientHello(String serverName,
 ECPublicKey publicKey,
 boolean compatibilityMode,
 List<Extension> extraExtensions)

ClientHello

public ClientHello(String serverName,
 PublicKey publicKey,
 boolean compatibilityMode,
 List<TlsConstants.CipherSuite> supportedCiphers,
 List<TlsConstants.SignatureScheme> supportedSignatures,
 TlsConstants.NamedGroup ecCurve,
 List<Extension> extraExtensions,
 BinderCalculator binderCalculator,
 ClientHello.PskKeyEstablishmentMode pskKeyEstablishmentMode)

Parameters:

serverName -

publicKey -

compatibilityMode -

supportedCiphers -

supportedSignatures -

ecCurve -

extraExtensions -

binderCalculator - can be null when no ClientHelloPreSharedKeyExtension is present, must be non-null when ClientHelloPreSharedKeyExtension is present.

pskKeyEstablishmentMode -

Method Details

getType

public TlsConstants.HandshakeType getType()

Specified by:

getType in class HandshakeMessage

getBytes

public byte[] getBytes()

Specified by:

getBytes in class HandshakeMessage

getClientRandom

public byte[] getClientRandom()

getSessionId

public byte[] getSessionId()

getCipherSuites

public List<TlsConstants.CipherSuite> getCipherSuites()

getExtensions

public List<Extension> getExtensions()

getPskExtensionStartPosition

public int getPskExtensionStartPosition()

Returns the start position of the PreSharedKeyExtension in the serialized ClientHello. This is needed for computing binders.

Returns:

the start position or -1 if not present.

toString

public String toString()

Overrides:

toString in class Object