org.bouncycastle.util

Class Pack

java.lang.Object

org.bouncycastle.util.Pack

public abstract class Pack
extends java.lang.Object

Utility methods for converting byte arrays into ints and longs, and back again.

Constructor Summary

Constructors

Constructor and Description
Pack()

Method Summary

Modifier and Type	Method and Description
static int	bigEndianToInt(byte[] bs, int off)
static void	bigEndianToInt(byte[] bs, int off, int[] ns)
static long	bigEndianToLong(byte[] bs, int off)
static void	bigEndianToLong(byte[] bs, int off, long[] ns)
static short	bigEndianToShort(byte[] bs, int off)
static byte[]	intToBigEndian(int n)
static byte[]	intToBigEndian(int[] ns)
static void	intToBigEndian(int[] ns, byte[] bs, int off)
static void	intToBigEndian(int n, byte[] bs, int off)
static byte[]	intToLittleEndian(int n)
static byte[]	intToLittleEndian(int[] ns)
static void	intToLittleEndian(int[] ns, byte[] bs, int off)
static void	intToLittleEndian(int n, byte[] bs, int off)
static int	littleEndianToInt(byte[] bs, int off)
static int[]	littleEndianToInt(byte[] bs, int off, int count)
static void	littleEndianToInt(byte[] bs, int off, int[] ns)
static void	littleEndianToInt(byte[] bs, int bOff, int[] ns, int nOff, int count)
static long	littleEndianToLong(byte[] bs, int off)
static void	littleEndianToLong(byte[] bs, int off, long[] ns)
static void	littleEndianToLong(byte[] bs, int bsOff, long[] ns, int nsOff, int nsLen)
static short	littleEndianToShort(byte[] bs, int off)
static byte[]	longToBigEndian(long n)
static byte[]	longToBigEndian(long[] ns)
static void	longToBigEndian(long[] ns, byte[] bs, int off)
static void	longToBigEndian(long n, byte[] bs, int off)
static void	longToBigEndian(long value, byte[] bs, int off, int bytes)
static byte[]	longToLittleEndian(long n)
static byte[]	longToLittleEndian(long[] ns)
static void	longToLittleEndian(long[] ns, byte[] bs, int off)
static void	longToLittleEndian(long[] ns, int nsOff, int nsLen, byte[] bs, int bsOff)
static void	longToLittleEndian(long n, byte[] bs, int off)
static byte[]	shortToBigEndian(short n)
static void	shortToBigEndian(short n, byte[] bs, int off)
static byte[]	shortToLittleEndian(short n)
static void	shortToLittleEndian(short n, byte[] bs, int off)

Methods inherited from class java.lang.Object

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

Constructor Detail

Pack

public Pack()

Method Detail

bigEndianToShort

public static short bigEndianToShort(byte[] bs,
                                     int off)

bigEndianToInt

public static int bigEndianToInt(byte[] bs,
                                 int off)

bigEndianToInt

public static void bigEndianToInt(byte[] bs,
                                  int off,
                                  int[] ns)

intToBigEndian

public static byte[] intToBigEndian(int n)

intToBigEndian

public static void intToBigEndian(int n,
                                  byte[] bs,
                                  int off)

intToBigEndian

public static byte[] intToBigEndian(int[] ns)

intToBigEndian

public static void intToBigEndian(int[] ns,
                                  byte[] bs,
                                  int off)

bigEndianToLong

public static long bigEndianToLong(byte[] bs,
                                   int off)

bigEndianToLong

public static void bigEndianToLong(byte[] bs,
                                   int off,
                                   long[] ns)

longToBigEndian

public static byte[] longToBigEndian(long n)

longToBigEndian

public static void longToBigEndian(long n,
                                   byte[] bs,
                                   int off)

longToBigEndian

public static byte[] longToBigEndian(long[] ns)

longToBigEndian

public static void longToBigEndian(long[] ns,
                                   byte[] bs,
                                   int off)

longToBigEndian

public static void longToBigEndian(long value,
                                   byte[] bs,
                                   int off,
                                   int bytes)

Parameters:

value - The number

bs - The target.

off - Position in target to start.

bytes - number of bytes to write.

littleEndianToShort

public static short littleEndianToShort(byte[] bs,
                                        int off)

littleEndianToInt

public static int littleEndianToInt(byte[] bs,
                                    int off)

littleEndianToInt

public static void littleEndianToInt(byte[] bs,
                                     int off,
                                     int[] ns)

littleEndianToInt

public static void littleEndianToInt(byte[] bs,
                                     int bOff,
                                     int[] ns,
                                     int nOff,
                                     int count)

littleEndianToInt

public static int[] littleEndianToInt(byte[] bs,
                                      int off,
                                      int count)

shortToLittleEndian

public static byte[] shortToLittleEndian(short n)

shortToLittleEndian

public static void shortToLittleEndian(short n,
                                       byte[] bs,
                                       int off)

shortToBigEndian

public static byte[] shortToBigEndian(short n)

shortToBigEndian

public static void shortToBigEndian(short n,
                                    byte[] bs,
                                    int off)

intToLittleEndian

public static byte[] intToLittleEndian(int n)

intToLittleEndian

public static void intToLittleEndian(int n,
                                     byte[] bs,
                                     int off)

intToLittleEndian

public static byte[] intToLittleEndian(int[] ns)

intToLittleEndian

public static void intToLittleEndian(int[] ns,
                                     byte[] bs,
                                     int off)

littleEndianToLong

public static long littleEndianToLong(byte[] bs,
                                      int off)

littleEndianToLong

public static void littleEndianToLong(byte[] bs,
                                      int off,
                                      long[] ns)

littleEndianToLong

public static void littleEndianToLong(byte[] bs,
                                      int bsOff,
                                      long[] ns,
                                      int nsOff,
                                      int nsLen)

longToLittleEndian

public static byte[] longToLittleEndian(long n)

longToLittleEndian

public static void longToLittleEndian(long n,
                                      byte[] bs,
                                      int off)

longToLittleEndian

public static byte[] longToLittleEndian(long[] ns)

longToLittleEndian

public static void longToLittleEndian(long[] ns,
                                      byte[] bs,
                                      int off)

longToLittleEndian

public static void longToLittleEndian(long[] ns,
                                      int nsOff,
                                      int nsLen,
                                      byte[] bs,
                                      int bsOff)