Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/8880#discussion_r40596221 --- Diff: core/src/main/scala/org/apache/spark/crypto/CipherSuite.scala --- @@ -0,0 +1,81 @@ +/* + * 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.spark.crypto + +/** + * Defines properties of a CipherSuite. Modeled after the ciphers in + * {@link javax.crypto.Cipher}. + * @param name name of cipher suite, as in {@link javax.crypto.Cipher} + * @param algoBlockSize size of an algorithm block in bytes + */ +case class CipherSuite(name: String, algoBlockSize: Int) { + var unknownValue: Integer = null + + def setUnknownValue(unknown: Integer) { + this.unknownValue = unknown + } + + def getUnknownValue(): Integer = unknownValue + + + override def toString(): String = { + var builder: StringBuilder = new StringBuilder("{") + builder.append("name: " + name) + builder.append(", algorithmBlockSize: " + algoBlockSize) + if (unknownValue != null) { + builder.append(", unknownValue: " + unknownValue) + } + builder.append("}") + builder.toString() + } + + /** + * Returns suffix of cipher suite configuration. + * @return String configuration suffix + */ + def getConfigSuffix(): String = { + val parts = name.split("/") + var suffix: StringBuilder = new StringBuilder() + parts.foreach(part => --- End diff -- nit: `.foreach { part =>`
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