1 /*

     2  * otr4j, the open source java otr library.

     3  *

     4  * Distributable under LGPL license.

     5  * See terms of license at gnu.org.

     6  */

     7 package net.java.otr4j.session;

     8 

     9 import java.math.BigInteger;

    10 import java.security.KeyPair;

    11 import java.security.PublicKey;

    12 

    13 import javax.crypto.interfaces.DHPublicKey;

    14 

    15 import net.java.otr4j.OtrException;

    16 import net.java.otr4j.io.messages.AbstractMessage;

    17 

    18 /**

    19  * 

    20  * @author George Politis

    21  */

    22 interface AuthContext {

    23 

    24 	public static final int NONE = 0;

    25 	public static final int AWAITING_DHKEY = 1;

    26 	public static final int AWAITING_REVEALSIG = 2;

    27 	public static final int AWAITING_SIG = 3;

    28 	public static final int V1_SETUP = 4;

    29 	public static final byte C_START = (byte) 0x01;

    30 	public static final byte M1_START = (byte) 0x02;

    31 	public static final byte M2_START = (byte) 0x03;

    32 	public static final byte M1p_START = (byte) 0x04;

    33 	public static final byte M2p_START = (byte) 0x05;

    34 

    35 	public abstract void reset();

    36 

    37 	public abstract boolean getIsSecure();

    38 

    39 	public abstract DHPublicKey getRemoteDHPublicKey();

    40 

    41 	public abstract KeyPair getLocalDHKeyPair() throws OtrException;

    42 

    43 	public abstract BigInteger getS() throws OtrException;

    44 

    45 	public abstract void handleReceivingMessage(AbstractMessage m)

    46 			throws OtrException;

    47 

    48 	public abstract void startV2Auth() throws OtrException;

    49 

    50 	public abstract void respondV2Auth() throws OtrException;

    51 

    52 	public abstract PublicKey getRemoteLongTermPublicKey();

    53 

    54 	public abstract KeyPair getLocalLongTermKeyPair();

    55 }