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https://issues.apache.org/jira/browse/ORC-251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542233#comment-16542233
]
ASF GitHub Bot commented on ORC-251:
------------------------------------
Github user prasanthj commented on a diff in the pull request:
https://github.com/apache/orc/pull/278#discussion_r202181381
--- Diff: java/core/src/java/org/apache/orc/impl/CryptoUtils.java ---
@@ -0,0 +1,77 @@
+/*
+ * 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * 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.orc.impl;
+
+import org.apache.orc.EncryptionAlgorithm;
+import java.security.SecureRandom;
+
+/**
+ * This class has routines to work with encryption within ORC files.
+ */
+public class CryptoUtils {
+
+ private static final int COLUMN_ID_LENGTH = 3;
+ private static final int KIND_LENGTH = 2;
+ private static final int STRIPE_ID_LENGTH = 3;
+ private static final int MIN_COUNT_BYTES = 8;
+
+ private static final SecureRandom random = new SecureRandom();
--- End diff --
unused?
> Modify InStream and OutStream to optionally encrypt data
> --------------------------------------------------------
>
> Key: ORC-251
> URL: https://issues.apache.org/jira/browse/ORC-251
> Project: ORC
> Issue Type: Sub-task
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
>
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