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<h1 class="page-title">Class: SymEncryptedSessionKeyPacket</h1>
<section>
<header> <h2><span class="attribs"><span class="type-signature"></span></span>SymEncryptedSessionKeyPacket<span class="signature">(config<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h2> <div class="class-description"><p>Symmetric-Key Encrypted Session Key Packets (Tag 3)</p><p><a href="https://tools.ietf.org/html/rfc4880#section-5.3">RFC4880 5.3</a>:The Symmetric-Key Encrypted Session Key packet holds thesymmetric-key encryption of a session key used to encrypt a message.Zero or more Public-Key Encrypted Session Key packets and/orSymmetric-Key Encrypted Session Key packets may precede aSymmetrically Encrypted Data packet that holds an encrypted message.The message is encrypted with a session key, and the session key isitself encrypted and stored in the Encrypted Session Key packet orthe Symmetric-Key Encrypted Session Key packet.</p></div> </header>
<article> <div class="container-overview">
<h2>Constructor</h2>
<h4 class="name" id="SymEncryptedSessionKeyPacket"><span class="type-signature"></span>new SymEncryptedSessionKeyPacket<span class="signature">(config<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
<h5>Parameters:</h5>
<table class="params"> <thead> <tr> <th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th> </tr> </thead>
<tbody>
<tr> <td class="name"><code>config</code></td>
<td class="type"> <span class="param-type">Object</span>
</td>
<td class="attributes"> <optional><br>
</td>
<td class="description last"><p>Full configuration, defaults to openpgp.config</p></td> </tr>
</tbody></table>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L46">line 46</a> </li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<h4 class="name" id="aeadAlgorithm"><span class="type-signature"></span>aeadAlgorithm<span class="type-signature"> :enums.aead</span></h4>
<div class="description"> <p>AEAD mode to encrypt the session key with (if AEAD protection is enabled)</p></div>
<h5>Type:</h5> <ul> <li> <span class="param-type">enums.aead</span>
</li> </ul>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L63">line 63</a> </li></ul></dd>
</dl>
<h4 class="name" id="sessionKeyAlgorithm"><span class="type-signature"></span>sessionKeyAlgorithm<span class="type-signature"> :enums.symmetric</span></h4>
<div class="description"> <p>Algorithm to encrypt the message with</p></div>
<h5>Type:</h5> <ul> <li> <span class="param-type">enums.symmetric</span>
</li> </ul>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L58">line 58</a> </li></ul></dd>
</dl>
<h4 class="name" id="sessionKeyEncryptionAlgorithm"><span class="type-signature"></span>sessionKeyEncryptionAlgorithm<span class="type-signature"> :enums.symmetric</span></h4>
<div class="description"> <p>Algorithm to encrypt the session key with</p></div>
<h5>Type:</h5> <ul> <li> <span class="param-type">enums.symmetric</span>
</li> </ul>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L53">line 53</a> </li></ul></dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="decrypt"><span class="type-signature">(async) </span>decrypt<span class="signature">(passphrase)</span><span class="type-signature"></span></h4>
<div class="description"> <p>Decrypts the session key with the given passphrase</p></div>
<h5>Parameters:</h5>
<table class="params"> <thead> <tr> <th>Name</th>
<th>Type</th>
<th class="last">Description</th> </tr> </thead>
<tbody>
<tr> <td class="name"><code>passphrase</code></td>
<td class="type"> <span class="param-type">String</span>
</td>
<td class="description last"><p>The passphrase in string form</p></td> </tr>
</tbody></table>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L144">line 144</a> </li></ul></dd>
</dl>
<h5>Throws:</h5>
<dl> <dt> <div class="param-desc"> <p>if decryption was not successful</p> </div> </dt> <dd></dd> <dt> <dl> <dt> Type </dt> <dd> <span class="param-type">Error</span>
</dd> </dl> </dt> <dd></dd></dl>
<h4 class="name" id="encrypt"><span class="type-signature">(async) </span>encrypt<span class="signature">(passphrase, config<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
<div class="description"> <p>Encrypts the session key with the given passphrase</p></div>
<h5>Parameters:</h5>
<table class="params"> <thead> <tr> <th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th> </tr> </thead>
<tbody>
<tr> <td class="name"><code>passphrase</code></td>
<td class="type"> <span class="param-type">String</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The passphrase in string form</p></td> </tr>
<tr> <td class="name"><code>config</code></td>
<td class="type"> <span class="param-type">Object</span>
</td>
<td class="attributes"> <optional><br>
</td>
<td class="description last"><p>Full configuration, defaults to openpgp.config</p></td> </tr>
</tbody></table>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L174">line 174</a> </li></ul></dd>
</dl>
<h5>Throws:</h5>
<dl> <dt> <div class="param-desc"> <p>if encryption was not successful</p> </div> </dt> <dd></dd> <dt> <dl> <dt> Type </dt> <dd> <span class="param-type">Error</span>
</dd> </dl> </dt> <dd></dd></dl>
<h4 class="name" id="read"><span class="type-signature"></span>read<span class="signature">(bytes)</span><span class="type-signature"></span></h4>
<div class="description"> <p>Parsing function for a symmetric encrypted session key packet (tag 3).</p></div>
<h5>Parameters:</h5>
<table class="params"> <thead> <tr> <th>Name</th>
<th>Type</th>
<th class="last">Description</th> </tr> </thead>
<tbody>
<tr> <td class="name"><code>bytes</code></td>
<td class="type"> <span class="param-type">Uint8Array</span>
</td>
<td class="description last"><p>Payload of a tag 3 packet</p></td> </tr>
</tbody></table>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L74">line 74</a> </li></ul></dd>
</dl>
<h4 class="name" id="write"><span class="type-signature"></span>write<span class="signature">()</span><span class="type-signature"> → {Uint8Array}</span></h4>
<div class="description"> <p>Create a binary representation of a tag 3 packet</p></div>
<dl class="details">
<dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js">packet/sym_encrypted_session_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/sym_encrypted_session_key.js#L118">line 118</a> </li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc"> <p>The Uint8Array representation.</p></div>
<dl> <dt> Type </dt> <dd> <span class="param-type">Uint8Array</span>
</dd></dl>
</article>
</section>
</div>
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