com.nimbusds.jose.crypto.impl

Class ECDSAProvider

java.lang.Object

com.nimbusds.jose.crypto.impl.BaseJWSProvider

com.nimbusds.jose.crypto.impl.ECDSAProvider

All Implemented Interfaces:

JCAAware<JCAContext>, JOSEProvider, JWSProvider

Direct Known Subclasses:

ECDSASigner, ECDSAVerifier

public abstract class ECDSAProvider
extends BaseJWSProvider

The base abstract class for Elliptic Curve Digital Signature Algorithm (ECDSA) signers and validators of JWS objects.

Supports the following algorithms:

• JWSAlgorithm.ES256
• JWSAlgorithm.ES256K
• JWSAlgorithm.ES384
• JWSAlgorithm.ES512

Version:

2017-05-13

Author:

Axel Nennker, Vladimir Dzhuvinov

Field Summary

Fields

Modifier and Type	Field and Description
static Set<JWSAlgorithm>	SUPPORTED_ALGORITHMS The supported JWS algorithms by the EC-DSA provider class.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ECDSAProvider(JWSAlgorithm alg) Creates a new Elliptic Curve Digital Signature Algorithm (ECDSA) provider.

Method Summary

Modifier and Type	Method and Description
JWSAlgorithm	supportedECDSAAlgorithm() Returns the supported ECDSA algorithm.

Methods inherited from class com.nimbusds.jose.crypto.impl.BaseJWSProvider

getJCAContext, supportedJWSAlgorithms

Methods inherited from class java.lang.Object

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

Field Detail

SUPPORTED_ALGORITHMS

public static final Set<JWSAlgorithm> SUPPORTED_ALGORITHMS

The supported JWS algorithms by the EC-DSA provider class.

Constructor Detail

ECDSAProvider

protected ECDSAProvider(JWSAlgorithm alg)
                 throws JOSEException

Creates a new Elliptic Curve Digital Signature Algorithm (ECDSA) provider.

Parameters:

alg - The EC-DSA algorithm. Must be supported and not null.

Throws:

JOSEException - If JWS algorithm is not supported.

Method Detail

supportedECDSAAlgorithm

public JWSAlgorithm supportedECDSAAlgorithm()

Returns the supported ECDSA algorithm.

Returns:

The supported ECDSA algorithm.

See Also:

BaseJWSProvider.supportedJWSAlgorithms()