io.neow3j.devpack.neo

Class Crypto

java.lang.Object

io.neow3j.devpack.neo.Crypto

public class Crypto
extends java.lang.Object

Offers cryptographic functions for use in smart contracts.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Crypto.ECDSA

Constructor Summary

Constructors

Constructor and Description
Crypto()

Method Summary

Modifier and Type	Method and Description
static byte[]	hash160(byte[] value) First applies SHA-256 to the given byte array and then RIPEMD-160 to the intermediary hash.
static byte[]	hash256(byte[] value) Applies SHA-256 twice to the given byte array.
static byte[]	ripemd160(byte[] value) Applies the RIPEMD-160 hashing algorithm to the given byte array.
static byte[]	sha256(byte[] value) Applies the SHA-256 hashing algorithm to the given byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

Crypto

public Crypto()

Method Detail

sha256

public static byte[] sha256(byte[] value)

Applies the SHA-256 hashing algorithm to the given byte array.

Parameters:

value - The bytes to hash.

Returns:

the 256 bit long hash.

ripemd160

public static byte[] ripemd160(byte[] value)

Applies the RIPEMD-160 hashing algorithm to the given byte array.

Parameters:

value - The bytes to hash.

Returns:

the 160 bit long hash.

hash160

public static byte[] hash160(byte[] value)

First applies SHA-256 to the given byte array and then RIPEMD-160 to the intermediary hash.

Parameters:

value - The bytes to hash.

Returns:

the 160 bit long hash.

hash256

public static byte[] hash256(byte[] value)

Applies SHA-256 twice to the given byte array.

Parameters:

value - The bytes to hash.

Returns:

the 256 bit long hash.