org.primeframework.jwt.rsa

Class RSASigner

java.lang.Object

org.primeframework.jwt.rsa.RSASigner

All Implemented Interfaces:

Signer

public class RSASigner
extends Object
implements Signer

This class can sign a JWT using an RSA Private key.

Author:

Daniel DeGroff

Method Summary

Modifier and Type	Method and Description
Algorithm	getAlgorithm() Return the algorithm supported by this signer.
static RSASigner	newSHA256Signer(String privateKey) Build a new RSA signer using a SHA-256 hash.
static RSASigner	newSHA384Signer(String privateKey) Build a new RSA signer using a SHA-384 hash.
static RSASigner	newSHA512Signer(String privateKey) Build a new RSA signer using a SHA-512 hash.
byte[]	sign(String message) Sign the provided message and return the signature.

Methods inherited from class java.lang.Object

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

Method Detail

newSHA256Signer

public static RSASigner newSHA256Signer(String privateKey)

Build a new RSA signer using a SHA-256 hash.

Parameters:

privateKey - The private key PEM expected to be in PKCS#1 or PKCS#8 format.

Returns:

a new RSA signer.

newSHA384Signer

public static RSASigner newSHA384Signer(String privateKey)

Build a new RSA signer using a SHA-384 hash.

Parameters:

privateKey - The private key PEM expected to be in PKCS#1 or PKCS#8 format.

Returns:

a new RSA signer.

newSHA512Signer

public static RSASigner newSHA512Signer(String privateKey)

Build a new RSA signer using a SHA-512 hash.

Parameters:

privateKey - The private key PEM expected to be in PKCS#1 or PKCS#8 format.

Returns:

a new RSA signer.

getAlgorithm

public Algorithm getAlgorithm()

Description copied from interface: Signer

Return the algorithm supported by this signer.

Specified by:

getAlgorithm in interface Signer

Returns:

the algorithm.

sign

public byte[] sign(String message)

Description copied from interface: Signer

Sign the provided message and return the signature.

Specified by:

sign in interface Signer

Parameters:

message - The JWT payload to sign.

Returns:

The message signature in a byte array.