proguard.util

Class HashUtil

java.lang.Object

proguard.util.HashUtil

public class HashUtil
extends java.lang.Object

Hashing functions.

Field Summary

Fields

Modifier and Type	Field and Description
static int	FNV_HASH_INIT
static int	FNV_HASH_PRIME

Method Summary

Modifier and Type	Method and Description
static int	hash(byte[] data, int init) Computes a hash of the given bytes, using the FNV-1a hashing function, but with a custom inital hash value.
static int	hash(java.lang.String string, int init) Convience method for computing the FNV-1a hash on the UTF-8 encoded byte representation of the given String, using the given initial hash value.
static int	hashFnv1a32_UTF8(java.lang.String string) Convience method for computing the FNV-1a hash on the UTF-8 encoded byte representation of the given String.
static int	hashFnv1a32(byte[] data) FNV-1a hashing function.

Methods inherited from class java.lang.Object

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

Field Detail

FNV_HASH_INIT

public static final int FNV_HASH_INIT

See Also:

Constant Field Values

FNV_HASH_PRIME

public static final int FNV_HASH_PRIME

See Also:

Constant Field Values

Method Detail

hashFnv1a32_UTF8

public static int hashFnv1a32_UTF8(java.lang.String string)

Convience method for computing the FNV-1a hash on the UTF-8 encoded byte representation of the given String.

hash

public static int hash(java.lang.String string,
                       int init)

Convience method for computing the FNV-1a hash on the UTF-8 encoded byte representation of the given String, using the given initial hash value.

hashFnv1a32

public static int hashFnv1a32(byte[] data)

FNV-1a hashing function.

https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function

hash

public static int hash(byte[] data,
                       int init)

Computes a hash of the given bytes, using the FNV-1a hashing function, but with a custom inital hash value.