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https://issues.apache.org/jira/browse/PARQUET-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17416393#comment-17416393
]
ASF GitHub Bot commented on PARQUET-2081:
-----------------------------------------
shangxinli commented on a change in pull request #928:
URL: https://github.com/apache/parquet-mr/pull/928#discussion_r710671931
##########
File path:
parquet-hadoop/src/main/java/org/apache/parquet/hadoop/util/ColumnEncryptor.java
##########
@@ -0,0 +1,351 @@
+/*
+ * 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.parquet.hadoop.util;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.parquet.HadoopReadOptions;
+import org.apache.parquet.bytes.BytesInput;
+import org.apache.parquet.column.ColumnDescriptor;
+import org.apache.parquet.column.ParquetProperties;
+import org.apache.parquet.column.page.DictionaryPage;
+import org.apache.parquet.column.page.PageReadStore;
+import org.apache.parquet.column.values.bloomfilter.BloomFilter;
+import org.apache.parquet.crypto.AesCipher;
+import org.apache.parquet.crypto.FileEncryptionProperties;
+import org.apache.parquet.crypto.InternalColumnEncryptionSetup;
+import org.apache.parquet.crypto.InternalFileEncryptor;
+import org.apache.parquet.format.BlockCipher;
+import org.apache.parquet.format.DataPageHeader;
+import org.apache.parquet.format.DataPageHeaderV2;
+import org.apache.parquet.format.DictionaryPageHeader;
+import org.apache.parquet.format.PageHeader;
+import org.apache.parquet.format.converter.ParquetMetadataConverter;
+import org.apache.parquet.hadoop.ParquetFileReader;
+import org.apache.parquet.hadoop.ParquetFileWriter;
+import org.apache.parquet.hadoop.metadata.ColumnChunkMetaData;
+import org.apache.parquet.hadoop.metadata.ColumnPath;
+import org.apache.parquet.hadoop.metadata.ParquetMetadata;
+import org.apache.parquet.internal.column.columnindex.ColumnIndex;
+import org.apache.parquet.internal.column.columnindex.OffsetIndex;
+import org.apache.parquet.io.ParquetEncodingException;
+import org.apache.parquet.schema.MessageType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static
org.apache.parquet.column.ParquetProperties.DEFAULT_COLUMN_INDEX_TRUNCATE_LENGTH;
+import static
org.apache.parquet.column.ParquetProperties.DEFAULT_STATISTICS_TRUNCATE_LENGTH;
+import static org.apache.parquet.crypto.ModuleCipherFactory.ModuleType;
+import static
org.apache.parquet.format.converter.ParquetMetadataConverter.NO_FILTER;
+import static org.apache.parquet.hadoop.ParquetWriter.DEFAULT_BLOCK_SIZE;
+import static org.apache.parquet.hadoop.ParquetWriter.MAX_PADDING_SIZE_DEFAULT;
+
+public class ColumnEncryptor {
Review comment:
sure
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> Encryption translation tool - Parquet-hadoop
> --------------------------------------------
>
> Key: PARQUET-2081
> URL: https://issues.apache.org/jira/browse/PARQUET-2081
> Project: Parquet
> Issue Type: Task
> Components: parquet-mr
> Reporter: Xinli Shang
> Priority: Major
> Fix For: 1.13.0
>
>
> This is the implement the core part of the Encryption translation tool in
> parquet-hadoop. After this, we will have another Jira/PR for parquet-cli to
> integrate with key tools for encryption properties..
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