cz.ues.platform.security.uutoken.internal

Class RSASignedTokenCreator

java.lang.Object

cz.ues.platform.security.uutoken.internal.RSASignedTokenCreator

All Implemented Interfaces:

TokenCreator

public class RSASignedTokenCreator
extends java.lang.Object
implements TokenCreator

Creates a JWT token signed with RSA algorithm.

Since:

UES7-10

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	ALGORITHM_RSA Cryptographic algorithm name.
private static java.lang.String	KEYSTORAGE_PASSWORD Key store password.
private static java.lang.String	KEYSTORAGE_PATH Path to key storage with RSA keys.
private static java.lang.String	KEYSTORE_TYPE Keystore type.
private static java.lang.String	PREFIX Prefix for parameters configured in a properties file.
private static java.lang.String	PRIVATE_KEY_ALIAS Alias for private RSA key.
private static java.lang.String	PRIVATE_KEY_PASSWORD Password for private RSA key.
private java.security.interfaces.RSAPrivateKey	privateKey Private key used for token creation.
private static java.lang.String	PUBLIC_KEY_ALIAS Alias for public RSA key.
private static java.lang.String	PUBLIC_KEY_PASSWORD Password for public RSA key.
private java.security.interfaces.RSAPublicKey	publicKey Public key used for token parsing.

Constructor Summary

Constructors

Constructor and Description
RSASignedTokenCreator()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	create(JWTClaimsSet claimsSet) Creates token value.
private java.security.KeyStore	getKeyStore(java.io.InputStream is, java.lang.String keyStorePassword) Obtains key store.
private static java.security.interfaces.RSAPublicKey	getRSAPublicKey(java.security.interfaces.RSAPrivateKey key) Try to generate RSA public key according a particular RSA private key.
void	init(java.util.Properties parameters) Initializes token verifier instance.
private void	initRSAPrivateKey(java.security.KeyStore ks, java.lang.String alias, java.lang.String password) Initialize RSA public key.
private void	initRSAPublicKey(java.security.KeyStore keyStorage, java.lang.String alias, java.lang.String password) Initialize RSA public key.
JWTClaimsSet	parse(java.lang.String token) Parse secured form of JWT token to JWTClaimsSet instance.

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_RSA

private static final ALGORITHM_RSA

Cryptographic algorithm name.

See Also:

Constant Field Values

PREFIX

private static final PREFIX

Prefix for parameters configured in a properties file.

See Also:

Constant Field Values

KEYSTORAGE_PATH

private static final KEYSTORAGE_PATH

Path to key storage with RSA keys.

See Also:

Constant Field Values

KEYSTORAGE_PASSWORD

private static final KEYSTORAGE_PASSWORD

Key store password.

See Also:

Constant Field Values

PUBLIC_KEY_ALIAS

private static final PUBLIC_KEY_ALIAS

Alias for public RSA key.

See Also:

Constant Field Values

PUBLIC_KEY_PASSWORD

private static final PUBLIC_KEY_PASSWORD

Password for public RSA key.

See Also:

Constant Field Values

PRIVATE_KEY_ALIAS

private static final PRIVATE_KEY_ALIAS

Alias for private RSA key.

See Also:

Constant Field Values

PRIVATE_KEY_PASSWORD

private static final PRIVATE_KEY_PASSWORD

Password for private RSA key.

See Also:

Constant Field Values

KEYSTORE_TYPE

private static final KEYSTORE_TYPE

Keystore type.

See Also:

Constant Field Values

publicKey

private publicKey

Public key used for token parsing.

privateKey

private privateKey

Private key used for token creation.

Constructor Detail

RSASignedTokenCreator

public RSASignedTokenCreator()

Method Detail

init

public void init(java.util.Properties parameters)

Initializes token verifier instance.

Specified by:

init in interface TokenCreator

Parameters:

parameters - Parameters for the token verifier instance.

Since:

UES7-10

See Also:

TokenCreator.init(java.util.Properties)

create

public java.lang.String create(JWTClaimsSet claimsSet)

Creates token value.

Specified by:

create in interface TokenCreator

Parameters:

claimsSet - Claims set to be used for token creation.

Returns:

Token value.

Since:

UES7-10

See Also:

cz.ues.platform.security.uutoken.internal.TokenCreator#create(com.nimbusds.jwt.JWTClaimsSet)

parse

public JWTClaimsSet parse(java.lang.String token)

Parse secured form of JWT token to JWTClaimsSet instance.

Specified by:

parse in interface TokenCreator

Parameters:

token - Value to be parsed.

Returns:

JWTClaimsSet instance.

Since:

UES7-10

See Also:

TokenCreator.parse(java.lang.String)

getKeyStore

private java.security.KeyStore getKeyStore(java.io.InputStream is,
java.lang.String keyStorePassword)

Obtains key store.

Parameters:

is - Input stream for the key store.

keyStorePassword - Key storage password.

Returns:

The key store instance.

Since:

UES7-10

initRSAPublicKey

private void initRSAPublicKey(java.security.KeyStore keyStorage,
java.lang.String alias,
java.lang.String password)

Initialize RSA public key.

Parameters:

keyStorage - Key storage.

alias - RSA public key alias.

password - Password for the RSA public key used in the key storage.

Since:

UES7-10

initRSAPrivateKey

private void initRSAPrivateKey(java.security.KeyStore ks,
java.lang.String alias,
java.lang.String password)

Initialize RSA public key.

Parameters:

keyStorage - Key storage.

alias - RSA public key alias.

password - Password for the RSA public key used in the key storage.

Since:

UES7-10

getRSAPublicKey

private static java.security.interfaces.RSAPublicKey getRSAPublicKey(java.security.interfaces.RSAPrivateKey key)

Try to generate RSA public key according a particular RSA private key.

Parameters:

key - RSA private key.

Returns:

The RSA public key if it is able to create a RSA public key according to the given RSA private key; the value null otherwise.

Since:

UES7-10