This class is a transparent representation of a DES key. The key is eight bytes long.

Figure 17-16. javax.crypto.spec.DESKeySpec

public class DESKeySpec implements java.security.spec.KeySpec {
// Public Constructors
     public DESKeySpec(byte[ ] key) throws java.security.InvalidKeyException;  
     public DESKeySpec(byte[ ] key, int offset) throws java.security.InvalidKeyException;  
// Public Constants
     public static final int DES_KEY_LEN;                                =8
// Public Class Methods
     public static boolean isParityAdjusted(byte[ ] key, int offset) 
        throws java.security.InvalidKeyException;  
     public static boolean isWeak(byte[ ] key, int offset) 
        throws java.security.InvalidKeyException;  
// Public Instance Methods
     public byte[ ] getKey( );  
}