March 2005
Intermediate to advanced
1254 pages
104h 21m
English
DESKeySpec
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( ); }