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package sun.security.internal.spec;

import java.security.spec.KeySpec;

import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;

KeySpec class for SSL/TLS key material.
Instances of this class are returned by the generateKey()
method of KeyGenerators of the type "TlsKeyMaterial".
Instances of this class are immutable.
Author:
 Andreas Sterbenz
Since:
  1.6
Deprecated:
Sun JDK internal use only --- WILL BE REMOVED in a future
release./**
 * KeySpec class for SSL/TLS key material.
 *
 * <p>Instances of this class are returned by the <code>generateKey()</code>
 * method of KeyGenerators of the type "TlsKeyMaterial".
 * Instances of this class are immutable.
 *
 * @since   1.6
 * @author  Andreas Sterbenz
 * @deprecated Sun JDK internal use only --- WILL BE REMOVED in a future
 * release.
 */
@Deprecated
public class TlsKeyMaterialSpec implements KeySpec, SecretKey {

    static final long serialVersionUID = 812912859129525028L;

    private final SecretKey clientMacKey, serverMacKey;
    private final SecretKey clientCipherKey, serverCipherKey;
    private final IvParameterSpec clientIv, serverIv;

    
Constructs a new TlsKeymaterialSpec from the client and server MAC
keys.
This call is equivalent to
new TlsKeymaterialSpec(clientMacKey, serverMacKey,
null, null, null, null).
Params:
clientMacKey – the client MAC key
serverMacKey – the server MAC key
Throws:
NullPointerException – if clientMacKey or serverMacKey is null/**
     * Constructs a new TlsKeymaterialSpec from the client and server MAC
     * keys.
     * This call is equivalent to
     * <code>new TlsKeymaterialSpec(clientMacKey, serverMacKey,
     * null, null, null, null)</code>.
     *
     * @param clientMacKey the client MAC key
     * @param serverMacKey the server MAC key
     * @throws NullPointerException if clientMacKey or serverMacKey is null
     */
    public TlsKeyMaterialSpec(SecretKey clientMacKey, SecretKey serverMacKey) {
        this(clientMacKey, serverMacKey, null, null, null, null);
    }

    
Constructs a new TlsKeymaterialSpec from the client and server MAC
keys and client and server cipher keys.
This call is equivalent to
new TlsKeymaterialSpec(clientMacKey, serverMacKey,
clientCipherKey, serverCipherKey, null, null).
Params:
clientMacKey – the client MAC key
serverMacKey – the server MAC key
clientCipherKey – the client cipher key (or null)
serverCipherKey – the server cipher key (or null)
Throws:
NullPointerException – if clientMacKey or serverMacKey is null/**
     * Constructs a new TlsKeymaterialSpec from the client and server MAC
     * keys and client and server cipher keys.
     * This call is equivalent to
     * <code>new TlsKeymaterialSpec(clientMacKey, serverMacKey,
     * clientCipherKey, serverCipherKey, null, null)</code>.
     *
     * @param clientMacKey the client MAC key
     * @param serverMacKey the server MAC key
     * @param clientCipherKey the client cipher key (or null)
     * @param serverCipherKey the server cipher key (or null)
     * @throws NullPointerException if clientMacKey or serverMacKey is null
     */
    public TlsKeyMaterialSpec(SecretKey clientMacKey, SecretKey serverMacKey,
            SecretKey clientCipherKey, SecretKey serverCipherKey) {
        this(clientMacKey, serverMacKey, clientCipherKey, null,
            serverCipherKey, null);
    }

    
Constructs a new TlsKeymaterialSpec from the client and server MAC
keys, client and server cipher keys, and client and server
initialization vectors.
Params:
clientMacKey – the client MAC key
serverMacKey – the server MAC key
clientCipherKey – the client cipher key (or null)
clientIv – the client initialization vector (or null)
serverCipherKey – the server cipher key (or null)
serverIv – the server initialization vector (or null)
Throws:
NullPointerException – if clientMacKey or serverMacKey is null/**
     * Constructs a new TlsKeymaterialSpec from the client and server MAC
     * keys, client and server cipher keys, and client and server
     * initialization vectors.
     *
     * @param clientMacKey the client MAC key
     * @param serverMacKey the server MAC key
     * @param clientCipherKey the client cipher key (or null)
     * @param clientIv the client initialization vector (or null)
     * @param serverCipherKey the server cipher key (or null)
     * @param serverIv the server initialization vector (or null)
     *
     * @throws NullPointerException if clientMacKey or serverMacKey is null
     */
    public TlsKeyMaterialSpec(SecretKey clientMacKey, SecretKey serverMacKey,
            SecretKey clientCipherKey, IvParameterSpec clientIv,
            SecretKey serverCipherKey, IvParameterSpec serverIv) {
        if ((clientMacKey == null) || (serverMacKey == null)) {
            throw new NullPointerException("MAC keys must not be null");
        }
        this.clientMacKey = clientMacKey;
        this.serverMacKey = serverMacKey;
        this.clientCipherKey = clientCipherKey;
        this.serverCipherKey = serverCipherKey;
        this.clientIv = clientIv;
        this.serverIv = serverIv;
    }

    
Returns TlsKeyMaterial.
Returns:
TlsKeyMaterial./**
     * Returns <code>TlsKeyMaterial</code>.
     *
     * @return <code>TlsKeyMaterial</code>.
     */
    public String getAlgorithm() {
        return "TlsKeyMaterial";
    }

    
Returns null because keys of this type have no encoding.
Returns:
null because keys of this type have no encoding./**
     * Returns <code>null</code> because keys of this type have no encoding.
     *
     * @return <code>null</code> because keys of this type have no encoding.
     */
    public String getFormat() {
        return null;
    }

    
Returns null because keys of this type have no encoding.
Returns:
null because keys of this type have no encoding./**
     * Returns <code>null</code> because keys of this type have no encoding.
     *
     * @return <code>null</code> because keys of this type have no encoding.
     */
    public byte[] getEncoded() {
        return null;
    }

    
Returns the client MAC key.
Returns:
the client MAC key./**
     * Returns the client MAC key.
     *
     * @return the client MAC key.
     */
    public SecretKey getClientMacKey() {
        return clientMacKey;
    }

    
Return the server MAC key.
Returns:
the server MAC key./**
     * Return the server MAC key.
     *
     * @return the server MAC key.
     */
    public SecretKey getServerMacKey() {
        return serverMacKey;
    }

    
Return the client cipher key (or null).
Returns:
the client cipher key (or null)./**
     * Return the client cipher key (or null).
     *
     * @return the client cipher key (or null).
     */
    public SecretKey getClientCipherKey() {
        return clientCipherKey;
    }

    
Return the client initialization vector (or null).
Returns:
the client initialization vector (or null)./**
     * Return the client initialization vector (or null).
     *
     * @return the client initialization vector (or null).
     */
    public IvParameterSpec getClientIv() {
        return clientIv;
    }

    
Return the server cipher key (or null).
Returns:
the server cipher key (or null)./**
     * Return the server cipher key (or null).
     *
     * @return the server cipher key (or null).
     */
    public SecretKey getServerCipherKey() {
        return serverCipherKey;
    }

    
Return the server initialization vector (or null).
Returns:
the server initialization vector (or null)./**
     * Return the server initialization vector (or null).
     *
     * @return the server initialization vector (or null).
     */
    public IvParameterSpec getServerIv() {
        return serverIv;
    }

}