Package org.apache.any23.util

Class MathUtils

java.lang.Object

org.apache.any23.util.MathUtils

public class MathUtils
extends Object

Mathematical utility functions.

Author:

Michele Mostarda (mostarda@fbk.eu), Davide Palmisano (palmisano@fbk.eu)

Method Summary

Modifier and Type	Method	Description
static String	md5(String s)	Create a MD5 weak hash for a given string.

Methods inherited from class java.lang.Object

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

Method Detail

md5

public static final String md5(String s)

Create a MD5 weak hash for a given string.

N.B. This method MUST never be used in a sensitive context. Examples of such usage include (i) User-password storage, (ii) Security token generation (used to confirm e-mail when registering on a website, reset password, etc...), (iii) To compute some message integrity.

Current usage is limited to RDFUtils.getBNode(String) which is fine for the creation of blank node(s).

Parameters:

s - input string to create an MD5 hash for.

Returns:

a string representation of a MD5 MessageDigest