Class XXH3

java.lang.Object

org.infinispan.server.resp.commands.string.XXH3

public final class XXH3
extends Object

XXH3-64 hash function implementation.

This is a pure Java implementation of the XXH3-64 algorithm, compatible with the hash digests used by Redis 8.4.0+ for the DIGEST and DELEX commands.

Since:

16.2

Method Summary

Modifier and Type	Method	Description
static long	hash64(byte[] input)	Computes the XXH3-64 hash of the input bytes.
static String	hashToHex(byte[] input)	Computes the XXH3-64 hash and returns it as a 16-character hex string.
static long	parseHexDigest(String hex)	Parses a 16-character hexadecimal string to a long value.
static String	toHexString(long value)	Converts a long value to a 16-character lowercase hexadecimal string.

Methods inherited from class Object

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

Method Details

hash64

public static long hash64(byte[] input)

Computes the XXH3-64 hash of the input bytes.

Parameters:

input - the byte array to hash

Returns:

the 64-bit hash value

hashToHex

public static String hashToHex(byte[] input)

Computes the XXH3-64 hash and returns it as a 16-character hex string.

Parameters:

input - the byte array to hash

Returns:

the hash as a lowercase hexadecimal string

toHexString

public static String toHexString(long value)

Converts a long value to a 16-character lowercase hexadecimal string.

parseHexDigest

public static long parseHexDigest(String hex)

Parses a 16-character hexadecimal string to a long value.

Parameters:

hex - the hexadecimal string

Returns:

the parsed long value, or -1 if invalid