org.picketlink.json.util

Class JOSEUtil

java.lang.Object

org.picketlink.json.util.JOSEUtil

public class JOSEUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
JOSEUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	constantTimeAreEqual(byte[] a, byte[] b) Checks the specified arrays for equality in constant time.
static String[]	split(String s) Splits a serialized JOSE object into its Base64URL-encoded parts.

Methods inherited from class java.lang.Object

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

Constructor Detail

JOSEUtil

public JOSEUtil()

Method Detail

constantTimeAreEqual

public static boolean constantTimeAreEqual(byte[] a,
                                           byte[] b)

Checks the specified arrays for equality in constant time. Intended to mitigate timing attacks.

Parameters:

a - The first array. Must not be null.

b - The second array. Must not be null.

Returns:

true if the two arrays are equal, else false.

split

public static String[] split(String s)
                      throws ParseException

Splits a serialized JOSE object into its Base64URL-encoded parts.

Parameters:

s - The serialized JOSE object to split. Must not be null.

Returns:

The JOSE Base64URL-encoded parts (three for plain text and JWS objects, five for JWE objects).

Throws:

ParseException - If the specified string couldn't be split into three or five Base64URL-encoded parts.