org.apache.kerby.kerberos.kerb.crypto.util

Class Nfold

java.lang.Object

org.apache.kerby.kerberos.kerb.crypto.util.Nfold

public class Nfold
extends Object

Based on RFC3961, with ref. MIT krb5 nfold.c

Constructor Summary

Constructors

Constructor and Description
Nfold()

Method Summary

Modifier and Type	Method and Description
static byte[]	nfold(byte[] inBytes, int size) representation: msb first, assume n and k are multiples of 8, and that k>=16.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Nfold

public Nfold()

Method Detail

nfold

public static byte[] nfold(byte[] inBytes,
                           int size)

representation: msb first, assume n and k are multiples of 8, and that k>=16. this is the case of all the cryptosystems which are likely to be used. this function can be replaced if that assumption ever fails.

Parameters:

inBytes - The input bytes

size - The size

Returns:

The output byte