DHE_RSA_Key_Exchange (anonlib 00.21.029-SNAPSHOT API)

java.lang.Object
- anon.crypto.tinytls.keyexchange.Key_Exchange
- - anon.crypto.tinytls.keyexchange.DHE_RSA_Key_Exchange

```
public class DHE_RSA_Key_Exchange
extends Key_Exchange
```
Author:

stefan Diffie Hellman Key Exchange with a RSA signed Certificate

Field Summary

Fields
Modifier and Type	Field and Description
`private static byte[]`	`CLIENTFINISHEDLABEL`
`private static mybouncycastle.org.bouncycastle.crypto.params.DHParameters`	`DH_PARAMS`
`private static byte[]`	`KEYEXPANSION`
`private byte[]`	`m_clientrandom`
`private mybouncycastle.org.bouncycastle.crypto.agreement.DHBasicAgreement`	`m_dhe`
`private mybouncycastle.org.bouncycastle.crypto.params.DHParameters`	`m_dhparams`
`private mybouncycastle.org.bouncycastle.crypto.params.DHPublicKeyParameters`	`m_dhserverpub`
`private byte[]`	`m_mastersecret`
`private byte[]`	`m_premastersecret`
`private byte[]`	`m_serverrandom`
`private static byte[]`	`MASTERSECRET`
`private static int`	`MAXKEYMATERIALLENGTH`
`private static java.math.BigInteger`	`SAFEPRIME`
`private static byte[]`	`SERVERFINISHEDLABEL`

Constructor Summary

Constructors
Constructor and Description

DHE_RSA_Key_Exchange()

Constructors
Constructor and Description
`DHE_RSA_Key_Exchange()`

Method Summary

All Methods Instance Methods Concrete Methods
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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MAXKEYMATERIALLENGTH
```
private static final int MAXKEYMATERIALLENGTH
```
    See Also:
    
    Constant Field Values
  - CLIENTFINISHEDLABEL
```
private static final byte[] CLIENTFINISHEDLABEL
```
  - SERVERFINISHEDLABEL
```
private static final byte[] SERVERFINISHEDLABEL
```
  - KEYEXPANSION
```
private static final byte[] KEYEXPANSION
```
  - MASTERSECRET
```
private static final byte[] MASTERSECRET
```
  - SAFEPRIME
```
private static final java.math.BigInteger SAFEPRIME
```
  - DH_PARAMS
```
private static final mybouncycastle.org.bouncycastle.crypto.params.DHParameters DH_PARAMS
```
  - m_dhparams
```
private mybouncycastle.org.bouncycastle.crypto.params.DHParameters m_dhparams
```
  - m_dhserverpub
```
private mybouncycastle.org.bouncycastle.crypto.params.DHPublicKeyParameters m_dhserverpub
```
  - m_premastersecret
```
private byte[] m_premastersecret
```
  - m_mastersecret
```
private byte[] m_mastersecret
```
  - m_clientrandom
```
private byte[] m_clientrandom
```
  - m_serverrandom
```
private byte[] m_serverrandom
```
  - m_dhe
```
private mybouncycastle.org.bouncycastle.crypto.agreement.DHBasicAgreement m_dhe
```
- Constructor Detail
  - DHE_RSA_Key_Exchange
```
public DHE_RSA_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

Class DHE_RSA_Key_Exchange

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MAXKEYMATERIALLENGTH

CLIENTFINISHEDLABEL

SERVERFINISHEDLABEL

KEYEXPANSION

MASTERSECRET

SAFEPRIME

DH_PARAMS

m_dhparams

m_dhserverpub

m_premastersecret

m_mastersecret

m_clientrandom

m_serverrandom

m_dhe

Constructor Detail

DHE_RSA_Key_Exchange

Method Detail

generateServerKeyExchange

processServerKeyExchange

calculateServerFinished

processServerFinished

processClientKeyExchange

calculateClientKeyExchange

processClientFinished

calculateClientFinished

calculateKeys