cn.orionsec.kit.lang.utils.hash

Class Hashes

java.lang.Object

cn.orionsec.kit.lang.utils.hash.Hashes

public class Hashes
extends Object

hash 工具类

Since:

2020/10/31 16:53

Version:

1.0.0

Author:

Jiahang Li

Method Summary

Modifier and Type	Method and Description
static int	additiveHash(String s, int prime) 加法hash
static int	apHash(String s) AP hash
static int	bernstein(String s) Bernstein's hash
static int	bkdrHash(String s) BKDR hash
static long[]	cityHash128(byte[] data) CityHash 128-bit
static long[]	cityHash128(byte[] data, Number128 seed) CityHash 128-bit
static int	cityHash32(byte[] data) CityHash 32-bit
static long	cityHash64(byte[] data) CityHash 64-bit
static long	cityHash64(byte[] data, long seed) CityHash 64-bit
static long	cityHash64(byte[] data, long seed0, long seed1) CityHash 64-bit
static int	dekHash(String s) DEK hash
static int	djbHash(String s) DJB hash
static int	elfHash(String s) ELF hash
static int	fnvHash(byte[] data) 改进的32位FNV 1
static int	fnvHash(String data) 改进的32位FNV 1
static int	hash(String str) java 默认hash
static int	hashCode(Object obj) 获取对象的hash值
static int	identityHashCode(Object obj) 根据对象的内存地址生成相应的Hash值
static int	intHash(int key) Thomas Wang 整数hash
static int	jsHash(String s) JS hash
static long	mixHash(String str) 混合hash 输出64位的值
static long[]	murmur128(byte[] data) MurmurHash 128-bit
static int	murmur32(byte[] data) MurmurHash 32-bit
static long	murmur64(byte[] data) MurmurHash 64-bit
static int	oneByOneHash(String s) 一次一个hash
static int	pjwHash(String s) PJW hash
static int	rotatingHash(String s, int prime) 旋转hash
static int	rsHash(String s) RS hash
static int	sdbmHash(String s) SDBM hash
static long	tianlHash(String s) TianL Hash
static int	universal(char[] key, int mask, int[] tab) Universal Hash
static int	zobrist(char[] key, int mask, int[][] tab) Zobrist Hash

Methods inherited from class java.lang.Object

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

Method Detail

hashCode

public static int hashCode(Object obj)

获取对象的hash值

Parameters:

obj - obj

Returns:

hashCode

identityHashCode

public static int identityHashCode(Object obj)

根据对象的内存地址生成相应的Hash值

Parameters:

obj - 对象

Returns:

hash值

hash

public static int hash(String str)

java 默认hash

Parameters:

str - 字符串

Returns:

hash值

additiveHash

public static int additiveHash(String s,
                               int prime)

加法hash

Parameters:

s - s

prime - 质数

Returns:

hash

rotatingHash

public static int rotatingHash(String s,
                               int prime)

旋转hash

Parameters:

s - s

prime - 质数

Returns:

hash值

oneByOneHash

public static int oneByOneHash(String s)

一次一个hash

Parameters:

s - s

Returns:

hash

bernstein

public static int bernstein(String s)

Bernstein's hash

Parameters:

s - s

Returns:

hash

universal

public static int universal(char[] key,
                            int mask,
                            int[] tab)

Universal Hash

Parameters:

key - 字节数组

mask - 掩码

tab - tab

Returns:

hash

zobrist

public static int zobrist(char[] key,
                          int mask,
                          int[][] tab)

Zobrist Hash

Parameters:

key - 字节数组

mask - 掩码

tab - tab

Returns:

hash

fnvHash

public static int fnvHash(byte[] data)

改进的32位FNV 1

Parameters:

data - 数组

Returns:

hash

fnvHash

public static int fnvHash(String data)

改进的32位FNV 1

Parameters:

data - 字符串

Returns:

hash

intHash

public static int intHash(int key)

Thomas Wang 整数hash

Parameters:

key - 整数

Returns:

hash

rsHash

public static int rsHash(String s)

RS hash

Parameters:

s - s

Returns:

hash

jsHash

public static int jsHash(String s)

JS hash

Parameters:

s - s

Returns:

hash

pjwHash

public static int pjwHash(String s)

PJW hash

Parameters:

s - s

Returns:

hash

elfHash

public static int elfHash(String s)

ELF hash

Parameters:

s - s

Returns:

hash

bkdrHash

public static int bkdrHash(String s)

BKDR hash

Parameters:

s - s

Returns:

hash

sdbmHash

public static int sdbmHash(String s)

SDBM hash

Parameters:

s - s

Returns:

hash

djbHash

public static int djbHash(String s)

DJB hash

Parameters:

s - s

Returns:

hash

dekHash

public static int dekHash(String s)

DEK hash

Parameters:

s - s

Returns:

hash

apHash

public static int apHash(String s)

AP hash

Parameters:

s - s

Returns:

hash

tianlHash

public static long tianlHash(String s)

TianL Hash

Parameters:

s - s

Returns:

hash

mixHash

public static long mixHash(String str)

混合hash 输出64位的值

Parameters:

str - 字符串

Returns:

hash值

murmur32

public static int murmur32(byte[] data)

MurmurHash 32-bit

Parameters:

data - 数据

Returns:

hash值

murmur64

public static long murmur64(byte[] data)

MurmurHash 64-bit

Parameters:

data - 数据

Returns:

hash值

murmur128

public static long[] murmur128(byte[] data)

MurmurHash 128-bit

Parameters:

data - 数据

Returns:

hash值

cityHash32

public static int cityHash32(byte[] data)

CityHash 32-bit

Parameters:

data - 数据

Returns:

hash值

cityHash64

public static long cityHash64(byte[] data,
                              long seed)

CityHash 64-bit

Parameters:

data - 数据

seed - 种子

Returns:

hash值

cityHash64

public static long cityHash64(byte[] data,
                              long seed0,
                              long seed1)

CityHash 64-bit

Parameters:

data - 数据

seed0 - 种子1

seed1 - 种子2

Returns:

hash值

cityHash64

public static long cityHash64(byte[] data)

CityHash 64-bit

Parameters:

data - 数据

Returns:

hash值

cityHash128

public static long[] cityHash128(byte[] data)

CityHash 128-bit

Parameters:

data - 数据

Returns:

hash值

cityHash128

public static long[] cityHash128(byte[] data,
                                 Number128 seed)

CityHash 128-bit

Parameters:

data - 数据

seed - 种子

Returns:

long[0]低位 long[1]高位