47 lines
1.8 KiB
Java
47 lines
1.8 KiB
Java
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/*
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* Copyright 2020 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.keycloak.crypto;
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import java.nio.charset.StandardCharsets;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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import org.keycloak.common.VerificationException;
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import org.keycloak.models.ClientModel;
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import org.keycloak.models.KeycloakSession;
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public class ClientMacSignatureVerifierContext extends MacSignatureVerifierContext {
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public ClientMacSignatureVerifierContext(KeycloakSession session, ClientModel client, String algorithm) throws VerificationException {
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super(getKey(session, client, algorithm));
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}
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private static KeyWrapper getKey(KeycloakSession session, ClientModel client, String algorithm) throws VerificationException {
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if (algorithm == null) algorithm = Algorithm.HS256;
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String clientSecretString = client.getSecret();
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SecretKey clientSecret = new SecretKeySpec(clientSecretString.getBytes(StandardCharsets.UTF_8), JavaAlgorithm.getJavaAlgorithm(algorithm));
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KeyWrapper key = new KeyWrapper();
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key.setSecretKey(clientSecret);
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key.setUse(KeyUse.SIG);
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key.setType(KeyType.OCT);
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key.setAlgorithm(algorithm);
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return key;
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}
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}
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