com.firestack.laksaj.crypto

Class KeyTools

java.lang.Object

com.firestack.laksaj.crypto.KeyTools

public class KeyTools
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static org.bouncycastle.crypto.params.ECDomainParameters	CURVE The parameters of the secp256k1 curve that Bitcoin uses.

Constructor Summary

Constructors

Constructor and Description
KeyTools()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	decryptPrivateKey(java.lang.String file, java.lang.String passphrase)
static java.lang.String	encryptPrivateKey(java.lang.String privateKey, java.lang.String passphrase, KDFType type)
static org.web3j.crypto.ECKeyPair	generateKeyPair() Deprecated.
static java.lang.String	generatePrivateKey()
static byte[]	generateRandomBytes(int size)
static java.lang.String	getAddressFromPrivateKey(java.lang.String privateKey)
static byte[]	getAddressFromPublicKey(byte[] publicKey)
static java.lang.String	getAddressFromPublicKey(java.lang.String publicKey)
static java.lang.String	getPublicKeyFromPrivateKey(java.lang.String privateKey, boolean compressed)
static boolean	isByteString(java.lang.String address)

Methods inherited from class java.lang.Object

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

Field Detail

CURVE

public static final org.bouncycastle.crypto.params.ECDomainParameters CURVE

The parameters of the secp256k1 curve that Bitcoin uses.

Constructor Detail

KeyTools

public KeyTools()

Method Detail

generatePrivateKey

public static java.lang.String generatePrivateKey()
                                           throws java.security.InvalidAlgorithmParameterException,
                                                  java.security.NoSuchAlgorithmException,
                                                  java.security.NoSuchProviderException

Throws:

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

generateKeyPair

@Deprecated
public static org.web3j.crypto.ECKeyPair generateKeyPair()
                                                              throws java.security.InvalidAlgorithmParameterException,
                                                                     java.security.NoSuchAlgorithmException,
                                                                     java.security.NoSuchProviderException

Deprecated.

Throws:

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

getAddressFromPrivateKey

public static java.lang.String getAddressFromPrivateKey(java.lang.String privateKey)

isByteString

public static boolean isByteString(java.lang.String address)

getPublicKeyFromPrivateKey

public static java.lang.String getPublicKeyFromPrivateKey(java.lang.String privateKey,
                                                          boolean compressed)

Parameters:

privateKey - hex string without 0x

Returns:

getAddressFromPublicKey

public static java.lang.String getAddressFromPublicKey(java.lang.String publicKey)

getAddressFromPublicKey

public static byte[] getAddressFromPublicKey(byte[] publicKey)

generateRandomBytes

public static byte[] generateRandomBytes(int size)

decryptPrivateKey

public static java.lang.String decryptPrivateKey(java.lang.String file,
                                                 java.lang.String passphrase)
                                          throws java.lang.Exception

Throws:

java.lang.Exception

encryptPrivateKey

public static java.lang.String encryptPrivateKey(java.lang.String privateKey,
                                                 java.lang.String passphrase,
                                                 KDFType type)
                                          throws java.lang.Exception

Throws:

java.lang.Exception