SessionKeys.java

package net.java.otr4j.session;

import java.math.BigInteger;
import java.security.KeyPair;

import javax.crypto.interfaces.DHPublicKey;

import net.java.otr4j.OtrException;

public interface SessionKeys {

    public static final int Previous = 0;
    public static final int Current = 1;
    public static final byte HIGH_SEND_BYTE = (byte) 0x01;
    public static final byte HIGH_RECEIVE_BYTE = (byte) 0x02;
    public static final byte LOW_SEND_BYTE = (byte) 0x02;
    public static final byte LOW_RECEIVE_BYTE = (byte) 0x01;

    public abstract void setLocalPair(KeyPair keyPair, int localPairKeyID);

    public abstract void setRemoteDHPublicKey(DHPublicKey pubKey, int remoteKeyID);

    public abstract void incrementSendingCtr();

    public abstract byte[] getSendingCtr();

    public abstract byte[] getReceivingCtr();

    public abstract void setReceivingCtr(byte[] ctr);

    public abstract byte[] getSendingAESKey() throws OtrException;

    public abstract byte[] getReceivingAESKey() throws OtrException;

    public abstract byte[] getSendingMACKey() throws OtrException;

    public abstract byte[] getReceivingMACKey() throws OtrException;

    public abstract void setS(BigInteger s);

    public abstract void setIsUsedReceivingMACKey(Boolean isUsedReceivingMACKey);

    public abstract Boolean getIsUsedReceivingMACKey();

    public abstract int getLocalKeyID();

    public abstract int getRemoteKeyID();

    public abstract DHPublicKey getRemoteKey();

    public abstract KeyPair getLocalPair();

}