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| <a href="/docs/2.9.1/services/services" class='' >Using Ignite Services</a> |
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| <a href="/docs/2.9.1/messaging" class='' >Using Ignite Messaging</a> |
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| <div class="left-nav__overlay"></div> |
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| <article data-swiftype-index='true'> |
| <a class='edit-link' href="https://github.com/apache/ignite/tree/IGNITE-7595/docs/_docs/security/tde.adoc" target="_blank">Edit</a> |
| |
| <h1>Transparent Data Encryption</h1> |
| |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="admonitionblock warning"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <div class="title">Warning</div> |
| </td> |
| <td class="content"> |
| This feature is in beta and not recommended for use in production environments. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="overview">Overview</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Transparent data encryption (TDE) allows users to encrypt their data at rest.</p> |
| </div> |
| <div class="paragraph"> |
| <p>When <a href="/docs/2.9.1/persistence/native-persistence">Ignite persistence</a> is turned on, encryption can be enabled per cache/table, in which case the following data will be encrypted:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Data on disk</p> |
| </li> |
| <li> |
| <p>WAL records</p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>If you enable cache/table encryption, Ignite will generate a key (called <em>cache encryption key</em>) and will use this key to encrypt/decrypt the data in the cache. |
| The cache encryption key is held in the system cache and cannot be accessed by users. |
| When the cache encryption key is sent to other nodes or saved to disk (when the node goes down), it is encrypted using the <em>master key</em>. |
| The master key must be specified by the user in the configuration.</p> |
| </div> |
| <div class="paragraph"> |
| <p>The <em>same</em> master key must be specified via the configuration in every server node. One way to ensure you’re using the same key is to copy the JKS file from one node to the other nodes. If you try to enable TDE using different keys, the nodes with the different key will not be able to join the cluster (will be rejected based on differing digests).</p> |
| </div> |
| <div class="paragraph"> |
| <p>Ignite uses JDK-provided encryption algorithms: "AES/CBC/PKCS5Padding" to encrypt WAL records and "AES/CBC/NoPadding" to encrypt data pages on disk. To learn more about implementation
|