/**
     * Server's time zone offset in minutes from UTC.
     */
    public int serverTimeZone;
    /**
     * Length of the encryption key.
     */
    public int encryptionKeyLength;
    /**
     * Encryption key for password encryption.
     */
    public byte[] encryptionKey;
    /**
     * Server's globally unique identifier.
     */
    public byte[] guid;

 */
package jcifs.smb;

import java.security.GeneralSecurityException;
import java.security.MessageDigest;

import javax.crypto.Cipher;
import javax.crypto.ShortBufferException;

import jcifs.CIFSContext;
import jcifs.util.Crypto;
import jcifs.util.Encdec;
import jcifs.util.Strings;

/**
 * Internal use only
 *
 * @author mbechler
 *

            final byte t = s[i];
            s[i] = s[j];
            s[j] = t;
        }

        i = j = 0;
    }

    /**
     * Encrypts or decrypts data using the RC4 stream cipher.
     * Since RC4 is a stream cipher, the same operation is used for both encryption and decryption.
     *
     * @param src the source data array
     * @param soff the offset in the source array
     * @param slen the length of data to process

        ByteBuffer buffer = ByteBuffer.allocate(34);
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        buffer.putShort((short) 0); // dialectIndex
        buffer.put((byte) 0x0F); // securityMode (user, encrypted, sigs enabled, sigs required)
        buffer.putShort((short) 50); // maxMpxCount
        buffer.putShort((short) 10); // maxNumberVcs
        buffer.putInt(8192); // maxBufferSize
        buffer.putInt(65536); // maxRawSize

 */
package jcifs.internal.smb2;

import java.nio.charset.StandardCharsets;

import org.bouncycastle.crypto.DerivationParameters;
import org.bouncycastle.crypto.digests.SHA256Digest;
import org.bouncycastle.crypto.generators.KDFCounterBytesGenerator;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.crypto.params.KDFCounterParameters;

/**
 * SMB3 SP800-108 Counter Mode Key Derivation
 *
 * @author mbechler
 *

    int NTLMSSP_NEGOTIATE_VERSION = 0x2000000;

    /**
     * Indicates that 128-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Request explicit key exchange
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**
     * Indicates that 56-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_56 = 0x80000000;

    }

    /**
     * Stores a web authentication configuration.
     * Parameters are encrypted before storage.
     *
     * @param webAuthentication The web authentication configuration to store
     */
    public void store(final WebAuthentication webAuthentication) {
        webAuthentication.setParameters(ParameterUtil.encrypt(webAuthentication.getParameters()));
        webAuthenticationBhv.insertOrUpdate(webAuthentication, op -> {

    /**
    * Indicates that 128-bit encryption is supported.
    */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Indicates that key exchange is supported for session security.
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**
    * Indicates that 56-bit encryption is supported.
    */
    int NTLMSSP_NEGOTIATE_56 = 0x80000000;

     * The real session key if the regular session key is actually
     * the encrypted version used for key exchange.
     *
     * @return A <code>byte[]</code> containing the session key.
     */
    public byte[] getMasterKey() {
        return this.masterKey;
    }

    /**
     * Returns the session key.
     *
     * This is the encrypted session key included in the message,

    /**
     * Stores a file authentication configuration.
     * The parameters are encrypted before storage for security.
     *
     * @param fileAuthentication the file authentication configuration to store
     */
    public void store(final FileAuthentication fileAuthentication) {
        fileAuthentication.setParameters(ParameterUtil.encrypt(fileAuthentication.getParameters()));