This class is a transparent representation of a DESede (triple-DES) key. The key is 24 bytes long.

Figure 17-15. javax.crypto.spec.DESedeKeySpec

public class DESedeKeySpec implements java.security.spec.KeySpec {
// Public Constructors
     public DESedeKeySpec(byte[ ] key) throws java.security.InvalidKeyException;  
     public DESedeKeySpec(byte[ ] key, int offset) throws java.security.InvalidKeyException;  
// Public Constants
     public static final int DES_EDE_KEY_LEN;                            =24
// Public Class Methods
     public static boolean isParityAdjusted(byte[ ] key, int offset) 
        throws java.security.InvalidKeyException;  
// Public Instance Methods
     public byte[ ] getKey( );  
}