com.bloxbean.cardano.client.crypto.bip32.util

Class BytesUtil

java.lang.Object

com.bloxbean.cardano.client.crypto.bip32.util.BytesUtil

public class BytesUtil
extends java.lang.Object

General Util class for defined functions.

Constructor Summary

Constructors

Constructor and Description
BytesUtil()

Method Summary

Modifier and Type	Method and Description
static byte[]	merge(byte[]... arrays) Merge byte arrays.
static byte[]	merge(byte[] a, byte[] b) Append two byte arrays
static java.math.BigInteger	parse256(byte[] p) parse256(p): interprets a 32-byte sequence as a 256-bit number, most significant byte first.
static byte[]	ser256(java.math.BigInteger p) ser256(p): serializes the integer p as a 32-byte sequence, most significant byte first.
static byte[]	ser32(long i) ser32(i): serialize a 32-bit unsigned integer i as a 4-byte sequence, most significant byte first.
static byte[]	ser32LE(long i) ser32(i): serialize a 32-bit unsigned integer i as a 4-byte sequence, least significant byte first.

Methods inherited from class java.lang.Object

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

Constructor Detail

BytesUtil

public BytesUtil()

Method Detail

ser32

public static byte[] ser32(long i)

ser32(i): serialize a 32-bit unsigned integer i as a 4-byte sequence, most significant byte first.

Prefer long type to hold unsigned ints.

Returns:

ser32(i)

ser32LE

public static byte[] ser32LE(long i)

ser32(i): serialize a 32-bit unsigned integer i as a 4-byte sequence, least significant byte first.

Prefer long type to hold unsigned ints.

Returns:

ser32LE(i)

ser256

public static byte[] ser256(java.math.BigInteger p)

ser256(p): serializes the integer p as a 32-byte sequence, most significant byte first.

Parameters:

p - big integer

Returns:

32 byte sequence

parse256

public static java.math.BigInteger parse256(byte[] p)

parse256(p): interprets a 32-byte sequence as a 256-bit number, most significant byte first.

Parameters:

p - bytes

Returns:

256 bit number

merge

public static byte[] merge(byte[] a,
                           byte[] b)

Append two byte arrays

Parameters:

a - first byte array

b - second byte array

Returns:

bytes appended

merge

public static byte[] merge(byte[]... arrays)

Merge byte arrays.

Parameters:

arrays -

Returns: