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Java library for Javascript Object Signing and Encryption (JOSE) and JSON Web Tokens (JWT)

There is a newer version: 9.47

/*
 * nimbus-jose-jwt
 *
 * Copyright 2012-2016, Connect2id Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the
 * License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package com.nimbusds.jose;


import com.nimbusds.jose.util.Base64URL;


/**
 * JSON Web Signature (JWS) signer.
 *
 * @author Vladimir Dzhuvinov
 * @version 2015-04-21
 */
public interface JWSSigner extends JWSProvider {


	/**
	 * Signs the specified {@link JWSObject#getSigningInput input} of a 
	 * {@link JWSObject JWS object}.
	 *
	 * @param header       The JSON Web Signature (JWS) header. Must 
	 *                     specify a supported JWS algorithm and must not 
	 *                     be {@code null}.
	 * @param signingInput The input to sign. Must not be {@code null}.
	 *
	 * @return The resulting signature part (third part) of the JWS object.
	 *
	 * @throws JOSEException If the JWS algorithm is not supported, if a
	 *                       critical header parameter is not supported or
	 *                       marked for deferral to the application, or if
	 *                       signing failed for some other internal reason.
	 */
	Base64URL sign(final JWSHeader header, final byte[] signingInput)
		throws JOSEException;
}