com.github.iotexproject.antenna.crypto

Class Bip39

java.lang.Object

com.github.iotexproject.antenna.crypto.Bip39

public class Bip39
extends Object

bip39 utils.

Author:

Yang XuePing

Constructor Summary

Constructors

Constructor and Description
Bip39()

Method Summary

Modifier and Type	Method and Description
static byte	calculateChecksum(byte[] initialEntropy)
static byte[]	generateEntropy(String mnemonic)
static String	generateMnemonic(byte[] initialEntropy) generate mnemonic by entropy.
static String	generateMnemonic(int ent) generate mnemonic by int ent.
static byte[]	generateSeed(String mnemonic, String passphrase) generate key seed by mnemonic and passphrase.
static boolean	validateMnemonic(String mnemonic)

Methods inherited from class java.lang.Object

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

Constructor Detail

Bip39

public Bip39()

Method Detail

generateSeed

public static byte[] generateSeed(String mnemonic,
                                  String passphrase)

generate key seed by mnemonic and passphrase.

Parameters:

mnemonic - mnemonic

passphrase - passphrase

Returns:

key seed.

generateMnemonic

public static String generateMnemonic(int ent)

generate mnemonic by int ent.

Parameters:

ent -

Returns:

generateMnemonic

public static String generateMnemonic(byte[] initialEntropy)

generate mnemonic by entropy.

Parameters:

initialEntropy -

Returns:

validateMnemonic

public static boolean validateMnemonic(String mnemonic)

generateEntropy

public static byte[] generateEntropy(String mnemonic)

calculateChecksum

public static byte calculateChecksum(byte[] initialEntropy)