Package 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	Description
Nfold()

Method Summary

Modifier and Type	Method	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 Details

Nfold

public Nfold()

Method Details

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