Package 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:

2024-05-07

Author:

Axel Nennker, Vladimir Dzhuvinov

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Details

SUPPORTED_ALGORITHMS

public static final Set<JWSAlgorithm> SUPPORTED_ALGORITHMS

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

SUPPORTED_CURVES

public static final Set<Curve> SUPPORTED_CURVES

The supported curves by the EC-DSA provider class.

Constructor Details

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 Details

supportedECDSAAlgorithm

public JWSAlgorithm supportedECDSAAlgorithm()

Returns the supported ECDSA algorithm.

Returns:

The supported ECDSA algorithm.

See Also:

• BaseJWSProvider.supportedJWSAlgorithms()