Bouncy Castle Provider (FIPS Distribution) 1.0.2.5 · org.bouncycastle.math.ec.rfc8032.Ed25519

Modifier and Type	Class and Description
public class	Ed25519.Algorithm
private static class	Ed25519.PointAccum
private static class	Ed25519.PointExt
private static class	Ed25519.PointPrecomp

Field Summary

Modifier and Type	Field and Description
private static final int[]	B_x
private static final int[]	B_y
private static final int[]	C_d
private static final int[]	C_d2
private static final int[]	C_d4
private static final byte[]	DOM2_PREFIX
private static final int[]	L
private static final int	L0
private static final int	L1
private static final int	L2
private static final int	L3
private static final int	L4
private static final long	M28L
private static final long	M32L
private static final int[]	P
private static final int	POINT_BYTES
private static final int	PRECOMP_BLOCKS
private static final int	PRECOMP_MASK
private static final int	PRECOMP_POINTS
private static final int	PRECOMP_SPACING
private static final int	PRECOMP_TEETH
private static int[]	precompBase
private static Ed25519.PointExt[]	precompBaseTable
public static final int	PREHASH_SIZE
public static final int	PUBLIC_KEY_SIZE
private static final int	SCALAR_BYTES
private static final int	SCALAR_INTS
public static final int	SECRET_KEY_SIZE
public static final int	SIGNATURE_SIZE
private static final int	WNAF_WIDTH_BASE

Constructor Summary

Access	Constructor and Description
public	Ed25519()

Method Summary

Modifier and Type	Method and Description
private static byte[]	calculateS(byte[] r, byte[] k, byte[] s)
private static boolean	checkContextVar(byte[] ctx, byte phflag)
private static boolean	checkPointVar(byte[] p)
private static boolean	checkScalarVar(byte[] s)
protected abstract Digest	createDigest()
public Digest	createPrehash()
private static int	decode24(byte[] bs, int off)
private static int	decode32(byte[] bs, int off)
private static void	decode32(byte[] bs, int bsOff, int[] n, int nOff, int nLen)
private static boolean	decodePointVar(byte[] p, int pOff, boolean negate, Ed25519.PointExt r)
private static void	decodeScalar(byte[] k, int kOff, int[] n)
private static void	dom2(Digest d, byte phflag, byte[] ctx)
private static void	encode24(int n, byte[] bs, int off)
private static void	encode32(int n, byte[] bs, int off)
private static void	encode56(long n, byte[] bs, int off)
private static void	encodePoint(Ed25519.PointAccum p, byte[] r, int rOff)
public void	generatePrivateKey(SecureRandom random, byte[] k)
public void	generatePublicKey(byte[] sk, int skOff, byte[] pk, int pkOff)
private static byte[]	getWNAF(int[] n, int width)
private static void	implSign(Digest d, byte[] h, byte[] s, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
private void	implSign(byte[] sk, int skOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
private void	implSign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
private boolean	implVerify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen)
private static void	pointAddPrecomp(Ed25519.PointPrecomp p, Ed25519.PointAccum r)
private static void	pointAddVar(boolean negate, Ed25519.PointExt p, Ed25519.PointAccum r)
private static void	pointAddVar(boolean negate, Ed25519.PointExt p, Ed25519.PointExt q, Ed25519.PointExt r)
private static Ed25519.PointExt	pointCopy(Ed25519.PointAccum p)
private static Ed25519.PointExt	pointCopy(Ed25519.PointExt p)
private static void	pointDouble(Ed25519.PointAccum r)
private static void	pointExtendXY(Ed25519.PointAccum p)
private static void	pointExtendXY(Ed25519.PointExt p)
private static void	pointLookup(int block, int index, Ed25519.PointPrecomp p)
private static Ed25519.PointExt[]	pointPrecompVar(Ed25519.PointExt p, int count)
private static void	pointSetNeutral(Ed25519.PointAccum p)
private static void	pointSetNeutral(Ed25519.PointExt p)
public static synchronized void	precompute()
private static void	pruneScalar(byte[] n, int nOff, byte[] r)
private static byte[]	reduceScalar(byte[] n)
private static void	scalarMultBase(byte[] k, Ed25519.PointAccum r)
private static void	scalarMultBaseEncoded(byte[] k, byte[] r, int rOff)
private static void	scalarMultStraussVar(int[] nb, int[] np, Ed25519.PointExt p, Ed25519.PointAccum r)
public void	sign(byte[] sk, int skOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
public void	sign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
public void	sign(byte[] sk, int skOff, byte[] ctx, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
public void	sign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
public void	signPrehash(byte[] sk, int skOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)
public void	signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)
public void	signPrehash(byte[] sk, int skOff, byte[] ctx, Digest ph, byte[] sig, int sigOff)
public void	signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, Digest ph, byte[] sig, int sigOff)
public boolean	verify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] m, int mOff, int mLen)
public boolean	verify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] m, int mOff, int mLen)
public boolean	verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff)
public boolean	verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, Digest ph)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

B_x	back to summary
private static final int[] B_x

B_y	back to summary
private static final int[] B_y

C_d	back to summary
private static final int[] C_d

C_d2	back to summary
private static final int[] C_d2

C_d4	back to summary
private static final int[] C_d4

DOM2_PREFIX	back to summary
private static final byte[] DOM2_PREFIX

L	back to summary
private static final int[] L

L0	back to summary
private static final int L0

L1	back to summary
private static final int L1

L2	back to summary
private static final int L2

L3	back to summary
private static final int L3

L4	back to summary
private static final int L4

M28L	back to summary
private static final long M28L

M32L	back to summary
private static final long M32L

P	back to summary
private static final int[] P

POINT_BYTES	back to summary
private static final int POINT_BYTES

PRECOMP_BLOCKS	back to summary
private static final int PRECOMP_BLOCKS

PRECOMP_MASK	back to summary
private static final int PRECOMP_MASK

PRECOMP_POINTS	back to summary
private static final int PRECOMP_POINTS

PRECOMP_SPACING	back to summary
private static final int PRECOMP_SPACING

PRECOMP_TEETH	back to summary
private static final int PRECOMP_TEETH

precompBase	back to summary
private static int[] precompBase

precompBaseTable	back to summary
private static Ed25519.PointExt[] precompBaseTable

PREHASH_SIZE	back to summary
public static final int PREHASH_SIZE

PUBLIC_KEY_SIZE	back to summary
public static final int PUBLIC_KEY_SIZE

SCALAR_BYTES	back to summary
private static final int SCALAR_BYTES

SCALAR_INTS	back to summary
private static final int SCALAR_INTS

SECRET_KEY_SIZE	back to summary
public static final int SECRET_KEY_SIZE

SIGNATURE_SIZE	back to summary
public static final int SIGNATURE_SIZE

WNAF_WIDTH_BASE	back to summary
private static final int WNAF_WIDTH_BASE

Constructor Detail

Ed25519	back to summary
public Ed25519()

Method Detail

calculateS	back to summary
private static byte[] calculateS(byte[] r, byte[] k, byte[] s)

checkContextVar	back to summary
private static boolean checkContextVar(byte[] ctx, byte phflag)

checkPointVar	back to summary
private static boolean checkPointVar(byte[] p)

checkScalarVar	back to summary
private static boolean checkScalarVar(byte[] s)

createDigest	back to summary
protected abstract Digest createDigest()

createPrehash	back to summary
public Digest createPrehash()

decode24	back to summary
private static int decode24(byte[] bs, int off)

decode32	back to summary
private static int decode32(byte[] bs, int off)

decode32	back to summary
private static void decode32(byte[] bs, int bsOff, int[] n, int nOff, int nLen)

decodePointVar	back to summary
private static boolean decodePointVar(byte[] p, int pOff, boolean negate, Ed25519.PointExt r)

decodeScalar	back to summary
private static void decodeScalar(byte[] k, int kOff, int[] n)

dom2	back to summary
private static void dom2(Digest d, byte phflag, byte[] ctx)

encode24	back to summary
private static void encode24(int n, byte[] bs, int off)

encode32	back to summary
private static void encode32(int n, byte[] bs, int off)

encode56	back to summary
private static void encode56(long n, byte[] bs, int off)

encodePoint	back to summary
private static void encodePoint(Ed25519.PointAccum p, byte[] r, int rOff)

generatePrivateKey	back to summary
public void generatePrivateKey(SecureRandom random, byte[] k)

generatePublicKey	back to summary
public void generatePublicKey(byte[] sk, int skOff, byte[] pk, int pkOff)

getWNAF	back to summary
private static byte[] getWNAF(int[] n, int width)

implSign	back to summary
private static void implSign(Digest d, byte[] h, byte[] s, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

implSign	back to summary
private void implSign(byte[] sk, int skOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

implSign	back to summary
private void implSign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

implVerify	back to summary
private boolean implVerify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen)

pointAddPrecomp	back to summary
private static void pointAddPrecomp(Ed25519.PointPrecomp p, Ed25519.PointAccum r)

pointAddVar	back to summary
private static void pointAddVar(boolean negate, Ed25519.PointExt p, Ed25519.PointAccum r)

pointAddVar	back to summary
private static void pointAddVar(boolean negate, Ed25519.PointExt p, Ed25519.PointExt q, Ed25519.PointExt r)

pointCopy	back to summary
private static Ed25519.PointExt pointCopy(Ed25519.PointAccum p)

pointCopy	back to summary
private static Ed25519.PointExt pointCopy(Ed25519.PointExt p)

pointDouble	back to summary
private static void pointDouble(Ed25519.PointAccum r)

pointExtendXY	back to summary
private static void pointExtendXY(Ed25519.PointAccum p)

pointExtendXY	back to summary
private static void pointExtendXY(Ed25519.PointExt p)

pointLookup	back to summary
private static void pointLookup(int block, int index, Ed25519.PointPrecomp p)

pointPrecompVar	back to summary
private static Ed25519.PointExt[] pointPrecompVar(Ed25519.PointExt p, int count)

pointSetNeutral	back to summary
private static void pointSetNeutral(Ed25519.PointAccum p)

pointSetNeutral	back to summary
private static void pointSetNeutral(Ed25519.PointExt p)

precompute	back to summary
public static synchronized void precompute()

pruneScalar	back to summary
private static void pruneScalar(byte[] n, int nOff, byte[] r)

reduceScalar	back to summary
private static byte[] reduceScalar(byte[] n)

scalarMultBase	back to summary
private static void scalarMultBase(byte[] k, Ed25519.PointAccum r)

scalarMultBaseEncoded	back to summary
private static void scalarMultBaseEncoded(byte[] k, byte[] r, int rOff)

scalarMultStraussVar	back to summary
private static void scalarMultStraussVar(int[] nb, int[] np, Ed25519.PointExt p, Ed25519.PointAccum r)

sign	back to summary
public void sign(byte[] sk, int skOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

sign	back to summary
public void sign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

sign	back to summary
public void sign(byte[] sk, int skOff, byte[] ctx, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

sign	back to summary
public void sign(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)

signPrehash	back to summary
public void signPrehash(byte[] sk, int skOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)

signPrehash	back to summary
public void signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)

signPrehash	back to summary
public void signPrehash(byte[] sk, int skOff, byte[] ctx, Digest ph, byte[] sig, int sigOff)

signPrehash	back to summary
public void signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, Digest ph, byte[] sig, int sigOff)

verify	back to summary
public boolean verify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] m, int mOff, int mLen)

verify	back to summary
public boolean verify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] m, int mOff, int mLen)

verifyPrehash	back to summary
public boolean verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff)

verifyPrehash	back to summary
public boolean verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, Digest ph)

Modifier and Type	Field and Description
pack-priv int[]	u
pack-priv int[]	v
pack-priv int[]	x
pack-priv int[]	y
pack-priv int[]	z

Modifier and Type	Field and Description
pack-priv int[]	t
pack-priv int[]	x
pack-priv int[]	y
pack-priv int[]	z

Modifier and Type	Field and Description
pack-priv int[]	xyd
pack-priv int[]	ymx_h
pack-priv int[]	ypx_h

public abstract Class Ed25519

Nested and Inner Type Summary

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public final Class Ed25519.Algorithm

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private Class Ed25519.PointAccum

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private Class Ed25519.PointExt

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private Class Ed25519.PointPrecomp

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