Package org.web3j.crypto

Class Bip32ECKeyPair

java.lang.Object

org.web3j.crypto.ECKeyPair

org.web3j.crypto.Bip32ECKeyPair

public class Bip32ECKeyPair
extends ECKeyPair

BIP-32 key pair.

Adapted from: https://github.com/bitcoinj/bitcoinj/blob/master/core/src/main/java/org/bitcoinj/crypto/DeterministicKey.java

Field Summary

Fields

Modifier and Type	Field	Description
static final int	HARDENED_BIT

Constructor Summary

Constructors

Constructor	Description
Bip32ECKeyPair(BigInteger privateKey, BigInteger publicKey, int childNumber, byte[] chainCode, Bip32ECKeyPair parent)

Method Summary

Modifier and Type	Method	Description
static Bip32ECKeyPair	create(byte[] privateKey, byte[] chainCode)
static Bip32ECKeyPair	create(BigInteger privateKey, byte[] chainCode)
static Bip32ECKeyPair	deriveKeyPair(Bip32ECKeyPair master, int[] path)
static Bip32ECKeyPair	generateKeyPair(byte[] seed)
byte[]	getChainCode()
int	getChildNumber()
int	getDepth()
int	getParentFingerprint()
byte[]	getPrivateKeyBytes33()
org.bouncycastle.math.ec.ECPoint	getPublicKeyPoint()

Methods inherited from class org.web3j.crypto.ECKeyPair

create, create, create, equals, getPrivateKey, getPublicKey, hashCode, sign

Methods inherited from class java.lang.Object

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

Field Details

HARDENED_BIT

public static final int HARDENED_BIT

See Also:

• Constant Field Values

Constructor Details

Bip32ECKeyPair

public Bip32ECKeyPair(BigInteger privateKey,
 BigInteger publicKey,
 int childNumber,
 byte[] chainCode,
 Bip32ECKeyPair parent)

Method Details

create

public static Bip32ECKeyPair create(BigInteger privateKey,
 byte[] chainCode)

create

public static Bip32ECKeyPair create(byte[] privateKey,
 byte[] chainCode)

generateKeyPair

public static Bip32ECKeyPair generateKeyPair(byte[] seed)

deriveKeyPair

public static Bip32ECKeyPair deriveKeyPair(Bip32ECKeyPair master,
 int[] path)

getDepth

public int getDepth()

getParentFingerprint

public int getParentFingerprint()

getChainCode

public byte[] getChainCode()

getChildNumber

public int getChildNumber()

getPublicKeyPoint

public org.bouncycastle.math.ec.ECPoint getPublicKeyPoint()

getPrivateKeyBytes33

public byte[] getPrivateKeyBytes33()