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package javax.crypto.spec;
import java.security.spec.KeySpec;
public class DESedeKeySpec implements KeySpec {
public static int DES_EDE_KEY_LEN = 24;
private byte [] keyBytes;
public DESedeKeySpec(byte[] key) throws java.security.InvalidKeyException{
this(key,0);
}
public DESedeKeySpec(byte[] key, int offset)throws java.security.InvalidKeyException {
if((key.length - offset - DES_EDE_KEY_LEN) < 0){
throw new java.security.InvalidKeyException();
}
keyBytes = new byte[DES_EDE_KEY_LEN];
System.arraycopy(key,offset,keyBytes,0,DES_EDE_KEY_LEN);
}
public byte[] getKey() {
return (byte[])keyBytes.clone();
}
public static boolean isParityAdjusted(byte[] key, int offset) throws java.security.InvalidKeyException{
if((key.length - offset - DES_EDE_KEY_LEN) < 0){
throw new java.security.InvalidKeyException();
}
//TODO ...
return false;
}
}