Module it.auties.whatsapp4j

Package it.auties.whatsapp.crypto

Class LTHash

java.lang.Object

it.auties.whatsapp.crypto.LTHash

public class LTHash
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	LTHash.Result

Field Summary

Fields

Modifier and Type	Field	Description
private final @NonNull List<byte[]>	add
private static final int	EXPAND_SIZE
private final byte @NonNull []	hash
private final @NonNull Map<String,byte[]>	indexValueMap
private final byte @NonNull []	salt
private final @NonNull List<byte[]>	subtract

Constructor Summary

Constructors

Constructor	Description
LTHash(LTHashState hash)

Method Summary

Modifier and Type	Method	Description
LTHash.Result	finish()
void	mix(byte[] indexMac, byte[] valueMac, RecordSync.Operation operation)
private byte[]	perform(byte[] input, boolean sum)
private byte[]	perform(byte[] input, byte[] buffer, boolean sum)

Methods inherited from class java.lang.Object

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

Field Details

EXPAND_SIZE

private static final int EXPAND_SIZE

See Also:

• Constant Field Values

salt

private final byte @NonNull [] salt

hash

private final byte @NonNull [] hash

indexValueMap

@NonNull
private final @NonNull Map<String,byte[]> indexValueMap

add

@NonNull
private final @NonNull List<byte[]> add

subtract

@NonNull
private final @NonNull List<byte[]> subtract

Constructor Details

LTHash

public LTHash(LTHashState hash)

Method Details

mix

public void mix(byte[] indexMac,
 byte[] valueMac,
 RecordSync.Operation operation)

finish

public LTHash.Result finish()

perform

private byte[] perform(byte[] input,
 boolean sum)

perform

private byte[] perform(byte[] input,
 byte[] buffer,
 boolean sum)