Github user cjjnjust commented on a diff in the pull request:
https://github.com/apache/spark/pull/15172#discussion_r81060550
--- Diff:
common/network-common/src/main/java/org/apache/spark/network/sasl/aes/SparkAesCipher.java
---
@@ -0,0 +1,270 @@
+/*
+ * 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.network.sasl.aes;
+
+import java.io.IOException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+import java.util.Properties;
+import javax.crypto.Cipher;
+import javax.crypto.Mac;
+import javax.crypto.SecretKey;
+import javax.crypto.ShortBufferException;
+import javax.crypto.spec.SecretKeySpec;
+import javax.crypto.spec.IvParameterSpec;
+import javax.security.sasl.SaslException;
+
+import org.apache.commons.crypto.cipher.CryptoCipher;
+import org.apache.commons.crypto.utils.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * AES cipher for encryption and decryption.
+ */
+public class SparkAesCipher {
--- End diff --
I have removed the integrity check code it looks a bit simple now.
Also I am seeking for your advice to setup netty channel handler for AES
path and found SaslEncryption implement channel handler with lazy encryption
and also it breaks incomming msg to chunks for transfer. So I'm concerning
about whether we need to do same mechanism with Sasl encryption for netty
channel handler, or just a simple implement that encrypt and decrypt the
incoming msg. Could you please help to give some advice?
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