anon.crypto.tinytls.keyexchange

Class DHE_DSS_Key_Exchange

java.lang.Object

anon.crypto.tinytls.keyexchange.Key_Exchange

anon.crypto.tinytls.keyexchange.DHE_DSS_Key_Exchange

public class DHE_DSS_Key_Exchange
extends Key_Exchange

Constructor Summary

Constructors

Constructor and Description
DHE_DSS_Key_Exchange()

Method Summary

Modifier and Type	Method and Description
byte[]	calculateClientFinished(byte[] handshakemessages) generate the client finished message (see RFC2246)
byte[]	calculateClientKeyExchange() generates the client key exchange message (see RFC2246)
byte[]	calculateKeys() calculates the key material (see RFC2246 TLS Record Protocoll)
byte[]	calculateServerFinished(byte[] handshakemessages) calculates server finished message
byte[]	generateServerKeyExchange(IMyPrivateKey key, byte[] clientrandom, byte[] serverrandom)
void	processClientFinished(byte[] verify_data, byte[] handshakemessages) checks the client finished message
void	processClientKeyExchange(java.math.BigInteger dh_y) processes the client key exchange
void	processServerFinished(byte[] b, int len, byte[] handshakemessages) checks the server finished message
void	processServerKeyExchange(byte[] bytes, int bytes_offset, int bytes_len, byte[] clientrandom, byte[] serverrandom, JAPCertificate servercertificate) Decode the server keys and check the certificate

Methods inherited from class java.lang.Object

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

Constructor Detail

DHE_DSS_Key_Exchange

public DHE_DSS_Key_Exchange()

Method Detail

generateServerKeyExchange

public byte[] generateServerKeyExchange(IMyPrivateKey key,
                                        byte[] clientrandom,
                                        byte[] serverrandom)
                                 throws TLSException

Specified by:

generateServerKeyExchange in class Key_Exchange

Throws:

TLSException

processServerKeyExchange

public void processServerKeyExchange(byte[] bytes,
                                     int bytes_offset,
                                     int bytes_len,
                                     byte[] clientrandom,
                                     byte[] serverrandom,
                                     JAPCertificate servercertificate)
                              throws TLSException

Description copied from class: Key_Exchange

Decode the server keys and check the certificate

Specified by:

processServerKeyExchange in class Key_Exchange

clientrandom - clientrandom

serverrandom - serverrandom

Throws:

TLSException

calculateServerFinished

public byte[] calculateServerFinished(byte[] handshakemessages)

Description copied from class: Key_Exchange

calculates server finished message

Specified by:

calculateServerFinished in class Key_Exchange

Parameters:

handshakemessages - handshakemessages

Returns:

server finished message

processServerFinished

public void processServerFinished(byte[] b,
                                  int len,
                                  byte[] handshakemessages)
                           throws TLSException

Description copied from class: Key_Exchange

checks the server finished message

Specified by:

processServerFinished in class Key_Exchange

Parameters:

b - server finished message

Throws:

TLSException

processClientKeyExchange

public void processClientKeyExchange(java.math.BigInteger dh_y)

Description copied from class: Key_Exchange

processes the client key exchange

Specified by:

processClientKeyExchange in class Key_Exchange

Parameters:

dh_y - diffie hellman parameter

calculateClientKeyExchange

public byte[] calculateClientKeyExchange()
                                  throws TLSException

Description copied from class: Key_Exchange

generates the client key exchange message (see RFC2246)

Specified by:

calculateClientKeyExchange in class Key_Exchange

Returns:

client key exchange message

Throws:

TLSException

processClientFinished

public void processClientFinished(byte[] verify_data,
                                  byte[] handshakemessages)
                           throws TLSException

Description copied from class: Key_Exchange

checks the client finished message

Specified by:

processClientFinished in class Key_Exchange

Parameters:

verify_data - verify data

handshakemessages - handshakemessages

Throws:

TLSException

calculateClientFinished

public byte[] calculateClientFinished(byte[] handshakemessages)
                               throws TLSException

Description copied from class: Key_Exchange

generate the client finished message (see RFC2246)

Specified by:

calculateClientFinished in class Key_Exchange

Parameters:

handshakemessages - all handshakemessages that have been send before this

Returns:

client finished message

Throws:

TLSException

calculateKeys

public byte[] calculateKeys()

Description copied from class: Key_Exchange

calculates the key material (see RFC2246 TLS Record Protocoll)

Specified by:

calculateKeys in class Key_Exchange

Returns:

key material