Package com.sshtools.client.components

Class Curve25519SHA256Client

java.lang.Object

com.sshtools.client.SshKeyExchangeClient

com.sshtools.client.components.Curve25519SHA256Client

All Implemented Interfaces:

Component, SshComponent, SecureComponent, SshKeyExchange<SshClientContext>

Direct Known Subclasses:

Curve25519SHA256LibSshClient

public class Curve25519SHA256Client
extends SshKeyExchangeClient

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Curve25519SHA256Client.Curve25519SHA256ClientFactory

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CURVE25519_SHA2
final String	name
static final int	SSH_MSG_KEX_ECDH_INIT
static final int	SSH_MSG_KEX_ECDH_REPLY

Fields inherited from class com.sshtools.client.SshKeyExchangeClient

exchangeHash, firstPacketFollows, hostKey, key, secret, signature, transport, useFirstPacket

Constructor Summary

Constructors

Modifier	Constructor	Description
	Curve25519SHA256Client()
protected	Curve25519SHA256Client(String name)

Method Summary

Modifier and Type	Method	Description
protected void	calculateExchangeHash()	Calculates the exchange hash as an SHA1 hash of the following data.
String	getAlgorithm()
String	getProvider()
void	init(SshTransport<SshClientContext> transport, String clientId, String serverId, byte[] clientKexInit, byte[] serverKexInit, SshPrivateKey prvkey, SshPublicKey pubkey, boolean firstPacketFollows, boolean useFirstPacket)
boolean	processMessage(byte[] resp)	Process a key exchange message
void	test()

Methods inherited from class com.sshtools.client.SshKeyExchangeClient

getExchangeHash, getHashAlgorithm, getHostKey, getPriority, getSecret, getSecurityLevel, getSignature, hasReceivedNewKeys, hasSentNewKeys, isComplete, reset, setReceivedNewKeys, setSentNewKeys

Methods inherited from class java.lang.Object

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

Field Details

SSH_MSG_KEX_ECDH_INIT

public static final int SSH_MSG_KEX_ECDH_INIT

See Also:

• Constant Field Values

SSH_MSG_KEX_ECDH_REPLY

public static final int SSH_MSG_KEX_ECDH_REPLY

See Also:

• Constant Field Values

CURVE25519_SHA2

public static final String CURVE25519_SHA2

See Also:

• Constant Field Values

name

public final String name

Constructor Details

Curve25519SHA256Client

public Curve25519SHA256Client()

Curve25519SHA256Client

protected Curve25519SHA256Client(String name)

Method Details

getAlgorithm

public String getAlgorithm()

test

public void test()

init

public void init(SshTransport<SshClientContext> transport,
 String clientId,
 String serverId,
 byte[] clientKexInit,
 byte[] serverKexInit,
 SshPrivateKey prvkey,
 SshPublicKey pubkey,
 boolean firstPacketFollows,
 boolean useFirstPacket)
          throws IOException,
SshException

Throws:

IOException

SshException

processMessage

public boolean processMessage(byte[] resp)
                       throws SshException,
IOException

Description copied from class: SshKeyExchangeClient

Process a key exchange message

Specified by:

processMessage in interface SshKeyExchange<SshClientContext>

Specified by:

processMessage in class SshKeyExchangeClient

Returns:

boolean, indicating whether it has processed the message or not

Throws:

SshException

IOException

calculateExchangeHash

protected void calculateExchangeHash()
                              throws SshException

Description copied from class: SshKeyExchangeClient

Calculates the exchange hash as an SHA1 hash of the following data.

  String         the client's version string (CR and NL excluded)
  String         the server's version string (CR and NL excluded)
  String         the payload of the client's SSH_MSG_KEXINIT
  String         the payload of the server's SSH_MSG_KEXINIT
  String         the host key
  BigInteger     e, exchange value sent by the client
  BigInteger     f, exchange value sent by the server
  BigInteger     K, the shared secret
 

Overrides:

calculateExchangeHash in class SshKeyExchangeClient

Throws:

SshException

getProvider

public String getProvider()