org.apache.milagro.amcl.RSA2048

Class FF

java.lang.Object

org.apache.milagro.amcl.RSA2048.FF

public final class FF
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	FF_BITS
static int	FFLEN
static int	HFLEN
static long	P_FEXCESS
static int	P_MBITS
static long	P_OMASK 64-bit specific
static int	P_TBITS

Constructor Summary

Constructors

Constructor and Description
FF(int n)

Method Summary

Modifier and Type	Method and Description
void	add(FF b)
boolean	cfactor(int s)
static int	comp(FF a, FF b)
void	copy(FF b)
void	dec(int m)
FF	dmod(FF b)
void	dscopy(FF b)
void	dsucopy(FF b)
static long	EXCESS(BIG a)
static void	fromBytes(FF x, byte[] b)
int	getlen()
void	inc(int m)
void	invmodp(FF p)
boolean	iszilch()
int	lastbits(int m)
void	lmul(FF y)
void	mod(FF c)
void	modmul(FF y, FF p, FF nd)
void	modsqr(FF p, FF nd)
static FF	mul(FF x, FF y)
void	norm()
void	nres(FF m)
void	one()
int	parity()
static boolean	pexceed(BIG a, BIG b)
void	pow(FF e, FF p)
void	pow2(BIG e, FF y, BIG f, FF p)
void	power(int e, FF p)
static boolean	prime(FF p, RAND rng)
void	radd(int vp, FF x, int xp, FF y, int yp, int n)
void	random(RAND rng)
void	randomnum(FF p, RAND rng)
void	rdec(int vp, FF y, int yp, int n)
void	redc(FF m, FF ND)
FF	reduce(FF N, FF ND)
void	revsub(FF b)
void	rinc(int vp, FF y, int yp, int n)
void	rsub(int vp, FF x, int xp, FF y, int yp, int n)
void	sducopy(FF b)
void	set(int m)
static boolean	sexceed(BIG a)
void	shl()
void	shlw(int n)
void	shr()
void	shrw(int n)
void	skpow(BIG e, FF p)
void	skpow(FF e, FF p)
static FF	sqr(FF x)
void	sub(FF b)
void	toBytes(byte[] b)
java.lang.String	toString()
void	zero()

Methods inherited from class java.lang.Object

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

Field Detail

FFLEN

public static final int FFLEN

See Also:

Constant Field Values

FF_BITS

public static final int FF_BITS

See Also:

Constant Field Values

HFLEN

public static final int HFLEN

See Also:

Constant Field Values

P_MBITS

public static final int P_MBITS

See Also:

Constant Field Values

P_TBITS

public static final int P_TBITS

See Also:

Constant Field Values

P_OMASK

public static final long P_OMASK

64-bit specific

See Also:

Constant Field Values

P_FEXCESS

public static final long P_FEXCESS

See Also:

Constant Field Values

Constructor Detail

FF

public FF(int n)

Method Detail

EXCESS

public static long EXCESS(BIG a)

pexceed

public static boolean pexceed(BIG a,
                              BIG b)

sexceed

public static boolean sexceed(BIG a)

getlen

public int getlen()

set

public void set(int m)

copy

public void copy(FF b)

dsucopy

public void dsucopy(FF b)

dscopy

public void dscopy(FF b)

sducopy

public void sducopy(FF b)

zero

public void zero()

one

public void one()

iszilch

public boolean iszilch()

shrw

public void shrw(int n)

shlw

public void shlw(int n)

parity

public int parity()

lastbits

public int lastbits(int m)

comp

public static int comp(FF a,
                       FF b)

radd

public void radd(int vp,
                 FF x,
                 int xp,
                 FF y,
                 int yp,
                 int n)

rinc

public void rinc(int vp,
                 FF y,
                 int yp,
                 int n)

rsub

public void rsub(int vp,
                 FF x,
                 int xp,
                 FF y,
                 int yp,
                 int n)

rdec

public void rdec(int vp,
                 FF y,
                 int yp,
                 int n)

add

public void add(FF b)

sub

public void sub(FF b)

revsub

public void revsub(FF b)

inc

public void inc(int m)

dec

public void dec(int m)

norm

public void norm()

shl

public void shl()

shr

public void shr()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toBytes

public void toBytes(byte[] b)

fromBytes

public static void fromBytes(FF x,
                             byte[] b)

mul

public static FF mul(FF x,
                     FF y)

sqr

public static FF sqr(FF x)

lmul

public void lmul(FF y)

mod

public void mod(FF c)

reduce

public FF reduce(FF N,
                 FF ND)

dmod

public FF dmod(FF b)

invmodp

public void invmodp(FF p)

nres

public void nres(FF m)

redc

public void redc(FF m,
                 FF ND)

random

public void random(RAND rng)

randomnum

public void randomnum(FF p,
                      RAND rng)

modmul

public void modmul(FF y,
                   FF p,
                   FF nd)

modsqr

public void modsqr(FF p,
                   FF nd)

skpow

public void skpow(FF e,
                  FF p)

skpow

public void skpow(BIG e,
                  FF p)

power

public void power(int e,
                  FF p)

pow

public void pow(FF e,
                FF p)

pow2

public void pow2(BIG e,
                 FF y,
                 BIG f,
                 FF p)

cfactor

public boolean cfactor(int s)

prime

public static boolean prime(FF p,
                            RAND rng)