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| <link rel="stylesheet" href="https://at-ui.github.io/feather-font/css/iconfont.css"><title data-react-helmet="true">Encryption | Apache Hudi</title><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"><meta data-react-helmet="true" property="og:url" content="https://hudi.apache.org/cn/docs/0.13.0/encryption"><meta data-react-helmet="true" name="docsearch:language" content="cn"><meta data-react-helmet="true" name="docsearch:version" content="0.13.0"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="docs-default-0.13.0"><meta data-react-helmet="true" property="og:title" content="Encryption | Apache Hudi"><meta data-react-helmet="true" name="description" content="Since Hudi 0.11.0, Spark 3.2 support has been added and accompanying that, Parquet 1.12 has been included, which brings encryption feature to Hudi. In this section, we will show a guide on how to enable encryption in Hudi tables."><meta data-react-helmet="true" property="og:description" content="Since Hudi 0.11.0, Spark 3.2 support has been added and accompanying that, Parquet 1.12 has been included, which brings encryption feature to Hudi. In this section, we will show a guide on how to enable encryption in Hudi tables."><meta data-react-helmet="true" name="keywords" content="hudi,security"><link data-react-helmet="true" rel="icon" href="/cn/assets/images/favicon.ico"><link data-react-helmet="true" rel="canonical" href="https://hudi.apache.org/cn/docs/0.13.0/encryption"><link data-react-helmet="true" rel="alternate" href="https://hudi.apache.org/docs/0.13.0/encryption" hreflang="en"><link data-react-helmet="true" rel="alternate" href="https://hudi.apache.org/cn/docs/0.13.0/encryption" hreflang="cn"><link data-react-helmet="true" rel="alternate" href="https://hudi.apache.org/docs/0.13.0/encryption" hreflang="x-default"><link data-react-helmet="true" rel="preconnect" href="https://BH4D9OD16A-dsn.algolia.net" crossorigin="anonymous"><link rel="stylesheet" href="/cn/assets/css/styles.ea681a30.css"> |
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theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.13.0/use_cases">Use Cases</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.13.0/faq">FAQs</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/cn/docs/0.13.0/privacy">Privacy Policy</a></li></ul></nav></div></aside><main class="docMainContainer_Q970"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_zHA2"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is documentation for <!-- -->Apache Hudi<!-- --> <b>0.13.0</b>, which is no longer actively maintained.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/cn/docs/encryption">latest version</a></b> (<!-- -->0.14.1<!-- -->).</div></div><div class="docItemContainer_oiyr"><article><span class="theme-doc-version-badge badge badge--secondary">Version: <!-- -->0.13.0</span><div class="tocCollapsible_aw-L theme-doc-toc-mobile tocMobile_Tx6Y"><button type="button" class="clean-btn tocCollapsibleButton_zr6a">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Encryption</h1></header><p>Since Hudi 0.11.0, Spark 3.2 support has been added and accompanying that, Parquet 1.12 has been included, which brings encryption feature to Hudi. In this section, we will show a guide on how to enable encryption in Hudi tables.</p><h2 class="anchor anchorWithStickyNavbar_y2LR" id="encrypt-copy-on-write-tables">Encrypt Copy-on-Write tables<a class="hash-link" href="#encrypt-copy-on-write-tables" title="Direct link to heading"></a></h2><p>First, make sure Hudi Spark 3.2 bundle jar is used.</p><p>Then, set the following Parquet configurations to make data written to Hudi COW tables encrypted.</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><div class="codeBlockContent_csEI java"><pre tabindex="0" class="prism-code language-java codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Activate Parquet encryption, driven by Hadoop properties</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.crypto.factory.class", "org.apache.parquet.crypto.keytools.PropertiesDrivenCryptoFactory")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Explicit master keys (base64 encoded) - required only for mock InMemoryKMS</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.kms.client.class" , "org.apache.parquet.crypto.keytools.mocks.InMemoryKMS")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.key.list", "k1:AAECAwQFBgcICQoLDA0ODw==, k2:AAECAAECAAECAAECAAECAA==")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Write encrypted dataframe files. </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Column "rider" will be protected with master key "key2".</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Parquet file footers will be protected with master key "key1"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.footer.key", "k1")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.column.keys", "k2:rider")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">spark.read().format("org.apache.hudi").load("path").show();</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Here is an example.</p><div class="codeBlockContainer_J+bg language-java theme-code-block"><div class="codeBlockContent_csEI java"><pre tabindex="0" class="prism-code language-java codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain">JavaSparkContext jsc = new JavaSparkContext(spark.sparkContext());</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.crypto.factory.class", "org.apache.parquet.crypto.keytools.PropertiesDrivenCryptoFactory");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.kms.client.class" , "org.apache.parquet.crypto.keytools.mocks.InMemoryKMS");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.footer.key", "k1");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.column.keys", "k2:rider");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">jsc.hadoopConfiguration().set("parquet.encryption.key.list", "k1:AAECAwQFBgcICQoLDA0ODw==, k2:AAECAAECAAECAAECAAECAA==");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">QuickstartUtils.DataGenerator dataGen = new QuickstartUtils.DataGenerator();</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">List<String> inserts = convertToStringList(dataGen.generateInserts(3));</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Dataset<Row> inputDF1 = spark.read().json(jsc.parallelize(inserts, 1));</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">inputDF1.write().format("org.apache.hudi")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .option("hoodie.table.name", "encryption_table")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .option("hoodie.upsert.shuffle.parallelism","2")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .option("hoodie.insert.shuffle.parallelism","2")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .option("hoodie.delete.shuffle.parallelism","2")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .option("hoodie.bulkinsert.shuffle.parallelism","2")</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .mode(SaveMode.Overwrite)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> .save("path");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">spark.read().format("org.apache.hudi").load("path").select("rider").show();</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Reading the table works if configured correctly</p><div class="codeBlockContainer_J+bg theme-code-block"><div class="codeBlockContent_csEI"><pre tabindex="0" class="prism-code language-undefined codeBlock_rtdJ thin-scrollbar" style="color:#F8F8F2;background-color:#282A36"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#F8F8F2"><span class="token plain">+---------+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">|rider |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+---------+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">|rider-213|</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">|rider-213|</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">|rider-213|</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+---------+</span><br></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p>Read more from <a href="https://spark.apache.org/docs/latest/sql-data-sources-parquet.html#columnar-encryption" target="_blank" rel="noopener noreferrer">Spark docs</a> and <a href="https://github.com/apache/parquet-format/blob/master/Encryption.md" target="_blank" rel="noopener noreferrer">Parquet docs</a>.</p><h3 class="anchor anchorWithStickyNavbar_y2LR" id="note">Note<a class="hash-link" href="#note" title="Direct link to heading"></a></h3><p>This feature is currently only available for COW tables due to only Parquet base files present there.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/hudi/tree/asf-site/website/versioned_docs/version-0.13.0/encryption.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_mt2f"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" 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