import javax.security.auth.kerberos.KerberosKey;

/**
 * Utility class for calculating and verifying PAC (Privilege Attribute Certificate) message authentication codes.
 * This class provides methods for computing MACs using various Kerberos encryption types including
 * ARCFOUR-HMAC-MD5 and AES-based HMAC algorithms.
 */
public class PacMac {

    /**
     * Private constructor to prevent instantiation of utility class.

     * is an ArrayList of SIDs represents the local groups that the account is
     * a member of.
     *
     * This method is designed to assist with computing access control for a
     * given user when the target object's ACL has local groups. Local groups
     * are not listed in a user's group membership (e.g. as represented by the

     * the root URL <code>smb://</code> is also <code>smb://</code>. If this
     * <code>SmbFile</code> refers to a workgroup, server, share, or directory,
     * the name will include a trailing slash '/' so that composing new
     * <code>SmbFile</code>s will maintain the trailing slash requirement.
     *
     * @return The last component of the URL associated with this SMB

     * is an ArrayList of SIDs represents the local groups that the account is
     * a member of.
     *
     * This method is designed to assist with computing access control for a
     * given user when the target object's ACL has local groups. Local groups
     * are not listed in a user's group membership (e.g. as represented by the

     * the root URL <code>smb://</code> is also <code>smb://</code>. If this
     * <code>SmbResource</code> refers to a workgroup, server, share, or directory,
     * the name will include a trailing slash '/' so that composing new
     * <code>SmbResource</code>s will maintain the trailing slash requirement.
     *
     * @return The last component of the URL associated with this SMB

  We call this license the "Lesser" General Public License because it
does Less to protect the user's freedom than the ordinary General
Public License.  It also provides other free software developers Less
of an advantage over competing non-free programs.  These disadvantages
are the reason we use the ordinary General Public License for many
libraries.  However, the Lesser license provides advantages in certain
special circumstances.