package org.bouncycastle.crypto.tls;
import java.security.SecureRandom;
import org.bouncycastle.crypto.prng.RandomGenerator;
public interface TlsContext
{
RandomGenerator getNonceRandomGenerator();
SecureRandom getSecureRandom();
SecurityParameters getSecurityParameters();
boolean isServer();
ProtocolVersion getClientVersion();
ProtocolVersion getServerVersion();
/**
* Used to get the resumable session, if any, used by this connection. Only available after the
* handshake has successfully completed.
*
* @return A {@link TlsSession} representing the resumable session used by this connection, or
* null if no resumable session available.
* @see TlsPeer#notifyHandshakeComplete()
*/
TlsSession getResumableSession();
Object getUserObject();
void setUserObject(Object userObject);
/**
* Export keying material according to RFC 5705: "Keying Material Exporters for TLS".
*
* @param asciiLabel indicates which application will use the exported keys.
* @param context_value allows the application using the exporter to mix its own data with the TLS PRF for
* the exporter output.
* @param length the number of bytes to generate
* @return a pseudorandom bit string of 'length' bytes generated from the master_secret.
*/
byte[] exportKeyingMaterial(String asciiLabel, byte[] context_value, int length);
}