fr.arakne.utils.encoding

Class Checksum

java.lang.Object

fr.arakne.utils.encoding.Checksum

public final class Checksum
extends Object

Implementation of the Dofus network checksum https://github.com/Emudofus/Dofus/blob/1.29/dofus/aks/Aks.as#L248

Method Summary

Modifier and Type	Method and Description
static String	hexadecimal(String value) Compute the checksum as hexadecimal string The return value is a single hexadecimal char string
static @IntRange(from=0L,to=15L) int	integer(String value) Compute the checksum as integer The returned value is in interval [0-16]
static boolean	verify(String input, int expectedChecksum) Verify the checksum of the input value
static boolean	verify(String input, String expectedChecksum) Verify the checksum of the input value

Methods inherited from class java.lang.Object

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

Method Detail

integer

@Pure
public static @IntRange(from=0L,to=15L) int integer(String value)

Compute the checksum as integer The returned value is in interval [0-16]

Parameters:

value - Value to compute

Returns:

The checksum of value

hexadecimal

@SideEffectFree
public static String hexadecimal(String value)

Compute the checksum as hexadecimal string The return value is a single hexadecimal char string

Parameters:

value - Value to compute

Returns:

The checksum of value

verify

@Pure
public static boolean verify(String input,
                                   int expectedChecksum)

Verify the checksum of the input value

Parameters:

input - The input value to check

expectedChecksum - The expected checksum as int

Returns:

true if checksum match

verify

@Pure
public static boolean verify(String input,
                                   String expectedChecksum)

Verify the checksum of the input value

Parameters:

input - The input value to check

expectedChecksum - The expected checksum as hexadecimal string

Returns:

true if checksum match