Package pl.edu.icm.unity.stdext.credential.pass

Class StrengthChecker

java.lang.Object

pl.edu.icm.unity.stdext.credential.pass.StrengthChecker

public class StrengthChecker
extends java.lang.Object

Checks strength of the password using zxcvbn derivative library and provide other simple quality measurements of passwords. The returned result is normalized to 0-1 range, 1 (max score) corresponds to currently very hard not normalized value of 14 or minimum acceptable value whichever is greater.

Author:

K. Benedyczak

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StrengthChecker.StrengthInfo

Constructor Summary

Constructors

Constructor	Description
StrengthChecker()

Method Summary

Modifier and Type	Method	Description
static int	getCharacterClasses(java.lang.String password)
static boolean	hasNoTrivialSequences(java.lang.String password)
static StrengthChecker.StrengthInfo	measure(java.lang.String password, int minAcceptable, pl.edu.icm.unity.MessageSource msg)

Methods inherited from class java.lang.Object

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

Constructor Detail

StrengthChecker

public StrengthChecker()

Method Detail

measure

public static StrengthChecker.StrengthInfo measure(java.lang.String password,
                                                   int minAcceptable,
                                                   pl.edu.icm.unity.MessageSource msg)

getCharacterClasses

public static int getCharacterClasses(java.lang.String password)

hasNoTrivialSequences

public static boolean hasNoTrivialSequences(java.lang.String password)