Github user omalley commented on a diff in the pull request: https://github.com/apache/orc/pull/278#discussion_r202433617 --- 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 -- oops. Removed.
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