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https://issues.apache.org/jira/browse/KNOX-2579?focusedWorklogId=586731&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-586731
]
ASF GitHub Bot logged work on KNOX-2579:
----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Apr/21 16:39
Start Date: 21/Apr/21 16:39
Worklog Time Spent: 10m
Work Description: smolnar82 commented on a change in pull request #437:
URL: https://github.com/apache/knox/pull/437#discussion_r617711538
##########
File path:
gateway-server/src/main/java/org/apache/knox/gateway/services/token/impl/TokenMAC.java
##########
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.knox.gateway.services.token.impl;
+
+import java.nio.charset.StandardCharsets;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.Mac;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.apache.knox.gateway.config.GatewayConfig;
+import org.apache.knox.gateway.services.ServiceLifecycleException;
+import org.apache.knox.gateway.services.security.AliasService;
+import org.apache.knox.gateway.services.security.AliasServiceException;
+
+public class TokenMAC {
+ static final String KNOX_TOKEN_HASH_KEY_ALIAS_NAME = "knox.token.hash.key";
+
+ private final Mac tokedMac;
+
+ TokenMAC(GatewayConfig config, AliasService aliasService) throws
ServiceLifecycleException {
+ if (aliasService == null) {
+ throw new ServiceLifecycleException("Missing alias service while
configuring Knox Token MAC.");
+ }
+
+ try {
+ final String algorithm = config.getKnoxTokenHashAlgorithm();
+ final char[] knoxTokenHashKey =
aliasService.getPasswordFromAliasForGateway(KNOX_TOKEN_HASH_KEY_ALIAS_NAME);
+ if (knoxTokenHashKey != null) {
+ final SecretKey key = new SecretKeySpec(new
String(knoxTokenHashKey).getBytes(StandardCharsets.UTF_8), algorithm);
+ tokedMac = Mac.getInstance(algorithm);
+ tokedMac.init(key);
+ } else {
+ throw new ServiceLifecycleException("Missing " +
KNOX_TOKEN_HASH_KEY_ALIAS_NAME + " alias from Gateway's credential store");
Review comment:
The master secret cannot be used as key length matters.
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Issue Time Tracking
-------------------
Worklog Id: (was: 586731)
Time Spent: 40m (was: 0.5h)
> Make token passcode secure in DB token state backend
> ----------------------------------------------------
>
> Key: KNOX-2579
> URL: https://issues.apache.org/jira/browse/KNOX-2579
> Project: Apache Knox
> Issue Type: New Feature
> Components: Server
> Affects Versions: 1.6.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 1.6.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> With KNOX-2554, we now have the ability to store passcode tokens in
> relational databases. However, it indicates poor security practice if
> sensitive data is stored in plain text format. Since the {{token_id}} JWT
> claim can be used as a passcode, we need to make sure it's saved in a hashed
> format. To be able to do this, the following is going to be implemented:
> * add a new column called {{id}} which will serve as the primary key of the
> {{KNOX_TOKENS}} table (this is also going to be a UUID)
> * keep the current {{token_id}} column as is, and store the {{token.id}}
> claim in a hashed form in this column
> By default, {{HS256}} is going to be used as a hash algorithm, but end-users
> can configure it via the {{gateway.database.hash.alg}} gateway level
> configuration. A new pre-defined alias name is to be introduced too:
> {{gateway_database_hash_key}}. End-users must save the desired key using this
> alias if they use the new {{JDBCTokenStateService}} as the token management
> backend. Please note that key size it's very important for hash-based
> algorithms so using the {{master secret}} is not an option here.
> The token verification logic has to be changed too (need to hash {{token.id}}
> before getting expiration from the database).
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