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org.bouncycastle.math.ec.rfc8032

public abstract Class Ed448

extends Object
Class Inheritance
Imports
java.security.SecureRandom, org.bouncycastle.crypto.internal.Xof, org.bouncycastle.math.ec.rfc7748.X448Field, org.bouncycastle.math.raw.Nat, org.bouncycastle.util.Arrays, .Strings

Nested and Inner Type Summary

Modifier and TypeClass and Description
public class
Ed448.Algorithm

private static class
Ed448.PointExt

private static class
Ed448.PointPrecomp

Field Summary

Modifier and TypeField and Description
private static final int[]
B_x

private static final int[]
B_y

private static final int
C_d

private static final byte[]
DOM4_PREFIX

private static final int[]
L

private static final int
L4_0

private static final int
L4_1

private static final int
L4_2

private static final int
L4_3

private static final int
L4_4

private static final int
L4_5

private static final int
L4_6

private static final int
L4_7

private static final int
L_0

private static final int
L_1

private static final int
L_2

private static final int
L_3

private static final int
L_4

private static final int
L_5

private static final int
L_6

private static final int
L_7

private static final long
M26L

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 Ed448.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

AccessConstructor and Description
public
Ed448()

Method Summary

Modifier and TypeMethod and Description
private static byte[]
calculateS(byte[] r, byte[] k, byte[] s)

private static boolean
checkContextVar(byte[] ctx)

private static boolean
checkPointVar(byte[] p)

private static boolean
checkScalarVar(byte[] s)

public Xof
createPrehash()

protected abstract Xof
createXof()

private static int
decode16(byte[] bs, int off)

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, Ed448.PointExt r)

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

private static void
dom4(Xof d, byte x, byte[] y)

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(Ed448.PointExt 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(Xof 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(Ed448.PointPrecomp p, Ed448.PointExt r)

private static void
pointAddVar(boolean negate, Ed448.PointExt p, Ed448.PointExt r)

private static Ed448.PointExt
pointCopy(Ed448.PointExt p)

private static void
pointDouble(Ed448.PointExt r)

private static void
pointExtendXY(Ed448.PointExt p)

private static void
pointLookup(int block, int index, Ed448.PointPrecomp p)

private static Ed448.PointExt[]
pointPrecompVar(Ed448.PointExt p, int count)

private static void
pointSetNeutral(Ed448.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, Ed448.PointExt r)

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

private static void
scalarMultStraussVar(int[] nb, int[] np, Ed448.PointExt p, Ed448.PointExt r)

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, Xof ph, byte[] sig, int sigOff)

public void
signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, Xof ph, byte[] sig, int sigOff)

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, Xof ph)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

B_xback to summary
private static final int[] B_x
B_yback to summary
private static final int[] B_y
C_dback to summary
private static final int C_d
DOM4_PREFIXback to summary
private static final byte[] DOM4_PREFIX
Lback to summary
private static final int[] L
L4_0back to summary
private static final int L4_0
L4_1back to summary
private static final int L4_1
L4_2back to summary
private static final int L4_2
L4_3back to summary
private static final int L4_3
L4_4back to summary
private static final int L4_4
L4_5back to summary
private static final int L4_5
L4_6back to summary
private static final int L4_6
L4_7back to summary
private static final int L4_7
L_0back to summary
private static final int L_0
L_1back to summary
private static final int L_1
L_2back to summary
private static final int L_2
L_3back to summary
private static final int L_3
L_4back to summary
private static final int L_4
L_5back to summary
private static final int L_5
L_6back to summary
private static final int L_6
L_7back to summary
private static final int L_7
M26Lback to summary
private static final long M26L
M28Lback to summary
private static final long M28L
M32Lback to summary
private static final long M32L
Pback to summary
private static final int[] P
POINT_BYTESback to summary
private static final int POINT_BYTES
PRECOMP_BLOCKSback to summary
private static final int PRECOMP_BLOCKS
PRECOMP_MASKback to summary
private static final int PRECOMP_MASK
PRECOMP_POINTSback to summary
private static final int PRECOMP_POINTS
PRECOMP_SPACINGback to summary
private static final int PRECOMP_SPACING
PRECOMP_TEETHback to summary
private static final int PRECOMP_TEETH
precompBaseback to summary
private static int[] precompBase
precompBaseTableback to summary
private static Ed448.PointExt[] precompBaseTable
PREHASH_SIZEback to summary
public static final int PREHASH_SIZE
PUBLIC_KEY_SIZEback to summary
public static final int PUBLIC_KEY_SIZE
SCALAR_BYTESback to summary
private static final int SCALAR_BYTES
SCALAR_INTSback to summary
private static final int SCALAR_INTS
SECRET_KEY_SIZEback to summary
public static final int SECRET_KEY_SIZE
SIGNATURE_SIZEback to summary
public static final int SIGNATURE_SIZE
WNAF_WIDTH_BASEback to summary
private static final int WNAF_WIDTH_BASE

Constructor Detail

Ed448back to summary
public Ed448()

Method Detail

calculateSback to summary
private static byte[] calculateS(byte[] r, byte[] k, byte[] s)
checkContextVarback to summary
private static boolean checkContextVar(byte[] ctx)
checkPointVarback to summary
private static boolean checkPointVar(byte[] p)
checkScalarVarback to summary
private static boolean checkScalarVar(byte[] s)
createPrehashback to summary
public Xof createPrehash()
createXofback to summary
protected abstract Xof createXof()
decode16back to summary
private static int decode16(byte[] bs, int off)
decode24back to summary
private static int decode24(byte[] bs, int off)
decode32back to summary
private static int decode32(byte[] bs, int off)
decode32back to summary
private static void decode32(byte[] bs, int bsOff, int[] n, int nOff, int nLen)
decodePointVarback to summary
private static boolean decodePointVar(byte[] p, int pOff, boolean negate, Ed448.PointExt r)
decodeScalarback to summary
private static void decodeScalar(byte[] k, int kOff, int[] n)
dom4back to summary
private static void dom4(Xof d, byte x, byte[] y)
encode24back to summary
private static void encode24(int n, byte[] bs, int off)
encode32back to summary
private static void encode32(int n, byte[] bs, int off)
encode56back to summary
private static void encode56(long n, byte[] bs, int off)
encodePointback to summary
private static void encodePoint(Ed448.PointExt p, byte[] r, int rOff)
generatePrivateKeyback to summary
public void generatePrivateKey(SecureRandom random, byte[] k)
generatePublicKeyback to summary
public void generatePublicKey(byte[] sk, int skOff, byte[] pk, int pkOff)
getWNAFback to summary
private static byte[] getWNAF(int[] n, int width)
implSignback to summary
private static void implSign(Xof d, byte[] h, byte[] s, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
implSignback to summary
private void implSign(byte[] sk, int skOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
implSignback 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)
implVerifyback to summary
private boolean implVerify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte phflag, byte[] m, int mOff, int mLen)
pointAddPrecompback to summary
private static void pointAddPrecomp(Ed448.PointPrecomp p, Ed448.PointExt r)
pointAddVarback to summary
private static void pointAddVar(boolean negate, Ed448.PointExt p, Ed448.PointExt r)
pointCopyback to summary
private static Ed448.PointExt pointCopy(Ed448.PointExt p)
pointDoubleback to summary
private static void pointDouble(Ed448.PointExt r)
pointExtendXYback to summary
private static void pointExtendXY(Ed448.PointExt p)
pointLookupback to summary
private static void pointLookup(int block, int index, Ed448.PointPrecomp p)
pointPrecompVarback to summary
private static Ed448.PointExt[] pointPrecompVar(Ed448.PointExt p, int count)
pointSetNeutralback to summary
private static void pointSetNeutral(Ed448.PointExt p)
precomputeback to summary
public static synchronized void precompute()
pruneScalarback to summary
private static void pruneScalar(byte[] n, int nOff, byte[] r)
reduceScalarback to summary
private static byte[] reduceScalar(byte[] n)
scalarMultBaseback to summary
private static void scalarMultBase(byte[] k, Ed448.PointExt r)
scalarMultBaseEncodedback to summary
private static void scalarMultBaseEncoded(byte[] k, byte[] r, int rOff)
scalarMultStraussVarback to summary
private static void scalarMultStraussVar(int[] nb, int[] np, Ed448.PointExt p, Ed448.PointExt r)
signback to summary
public void sign(byte[] sk, int skOff, byte[] ctx, byte[] m, int mOff, int mLen, byte[] sig, int sigOff)
signback 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)
signPrehashback to summary
public void signPrehash(byte[] sk, int skOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)
signPrehashback to summary
public void signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff, byte[] sig, int sigOff)
signPrehashback to summary
public void signPrehash(byte[] sk, int skOff, byte[] ctx, Xof ph, byte[] sig, int sigOff)
signPrehashback to summary
public void signPrehash(byte[] sk, int skOff, byte[] pk, int pkOff, byte[] ctx, Xof ph, byte[] sig, int sigOff)
verifyback to summary
public boolean verify(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] m, int mOff, int mLen)
verifyPrehashback to summary
public boolean verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, byte[] ph, int phOff)
verifyPrehashback to summary
public boolean verifyPrehash(byte[] sig, int sigOff, byte[] pk, int pkOff, byte[] ctx, Xof ph)
org.bouncycastle.math.ec.rfc8032 back to summary

public final Class Ed448.Algorithm

extends Object
Class Inheritance

Field Summary

Modifier and TypeField and Description
public static final int
Ed448

public static final int
Ed448ph

Constructor Summary

AccessConstructor and Description
public
Algorithm()

Method Summary

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

Ed448back to summary
public static final int Ed448
Ed448phback to summary
public static final int Ed448ph

Constructor Detail

Algorithmback to summary
public Algorithm()
org.bouncycastle.math.ec.rfc8032 back to summary

private Class Ed448.PointExt

extends Object
Class Inheritance

Field Summary

Modifier and TypeField and Description
pack-priv int[]
x

pack-priv int[]
y

pack-priv int[]
z

Constructor Summary

AccessConstructor and Description
private
PointExt()

Method Summary

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

xback to summary
pack-priv int[] x
yback to summary
pack-priv int[] y
zback to summary
pack-priv int[] z

Constructor Detail

PointExtback to summary
private PointExt()
org.bouncycastle.math.ec.rfc8032 back to summary

private Class Ed448.PointPrecomp

extends Object
Class Inheritance

Field Summary

Modifier and TypeField and Description
pack-priv int[]
x

pack-priv int[]
y

Constructor Summary

AccessConstructor and Description
private
PointPrecomp()

Method Summary

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

xback to summary
pack-priv int[] x
yback to summary
pack-priv int[] y

Constructor Detail

PointPrecompback to summary
private PointPrecomp()