Package io.jans.as.model.util

Class JwtUtil

java.lang.Object

io.jans.as.model.util.JwtUtil

public class JwtUtil
extends Object

Utility class (can't be instantiated), that provides suite of additional functions, which can be used, during JWT/JWE processing.

Version:

December 5, 2021

Author:

Javier Rojas Blum, Yuriy Movchan, Sergey Manoylo

Method Summary

Modifier and Type	Method	Description
static String	bytesToHex(byte[] bytes)
static org.json.JSONObject	fromJson(String json)
static org.json.JSONObject	getJsonKey(String jwksUri, String jwks, String keyId)
static org.json.JSONObject	getJSONWebKeys(String jwksUri)
static org.json.JSONObject	getJSONWebKeys(String jwksUri, org.jboss.resteasy.client.jaxrs.ClientHttpEngine engine)
static byte[]	getMessageDigest(String data, String algorithm)
static byte[]	getMessageDigestSHA256(String data)
static byte[]	getMessageDigestSHA384(String data)
static byte[]	getMessageDigestSHA512(String data)
static PublicKey	getPublicKey(String jwksUri, String jwks, SignatureAlgorithm signatureAlgorithm, String keyId)
static void	printAlgorithms(String algorithmType)
static void	printAlgorithmsAndProviders()
static void	transferIntoJwtClaims(org.json.JSONObject jsonObject, Jwt jwt)

Methods inherited from class java.lang.Object

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

Method Details

printAlgorithmsAndProviders

public static void printAlgorithmsAndProviders()

printAlgorithms

public static void printAlgorithms(String algorithmType)

bytesToHex

public static String bytesToHex(byte[] bytes)

getMessageDigestSHA256

public static byte[] getMessageDigestSHA256(String data)
                                     throws NoSuchProviderException,
NoSuchAlgorithmException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

getMessageDigestSHA384

public static byte[] getMessageDigestSHA384(String data)
                                     throws NoSuchProviderException,
NoSuchAlgorithmException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

getMessageDigestSHA512

public static byte[] getMessageDigestSHA512(String data)
                                     throws NoSuchProviderException,
NoSuchAlgorithmException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

getMessageDigest

public static byte[] getMessageDigest(String data,
 String algorithm)
                               throws NoSuchProviderException,
NoSuchAlgorithmException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

getPublicKey

public static PublicKey getPublicKey(String jwksUri,
 String jwks,
 SignatureAlgorithm signatureAlgorithm,
 String keyId)

getJsonKey

public static org.json.JSONObject getJsonKey(String jwksUri,
 String jwks,
 String keyId)

getJSONWebKeys

public static org.json.JSONObject getJSONWebKeys(String jwksUri)

getJSONWebKeys

public static org.json.JSONObject getJSONWebKeys(String jwksUri,
 org.jboss.resteasy.client.jaxrs.ClientHttpEngine engine)

fromJson

public static org.json.JSONObject fromJson(String json)
                                    throws IOException

Throws:

IOException

transferIntoJwtClaims

public static void transferIntoJwtClaims(org.json.JSONObject jsonObject,
 Jwt jwt)