842 lines
16 KiB
HTML
842 lines
16 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>JSDoc: Module: packet/public_key_encrypted_session_key</title>
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<script src="scripts/prettify/prettify.js"> </script>
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<script src="scripts/prettify/lang-css.js"> </script>
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<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
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<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
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</head>
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<body>
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<div id="main">
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<h1 class="page-title">Module: packet/public_key_encrypted_session_key</h1>
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<section>
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<header>
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<h2>
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packet/public_key_encrypted_session_key
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</h2>
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</header>
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<article>
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<div class="container-overview">
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<div class="description">Public-Key Encrypted Session Key Packets (Tag 1)<br/>
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<br/>
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RFC4880 5.1: A Public-Key Encrypted Session Key packet holds the session key
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used to encrypt a message. Zero or more Public-Key Encrypted Session Key
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packets and/or Symmetric-Key Encrypted Session Key packets may precede a
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Symmetrically Encrypted Data Packet, which holds an encrypted message. The
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message is encrypted with the session key, and the session key is itself
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encrypted and stored in the Encrypted Session Key packet(s). The
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Symmetrically Encrypted Data Packet is preceded by one Public-Key Encrypted
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Session Key packet for each OpenPGP key to which the message is encrypted.
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The recipient of the message finds a session key that is encrypted to their
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public key, decrypts the session key, and then uses the session key to
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decrypt the message.</div>
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<dt>
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<h4 class="name" id="module:packet/public_key_encrypted_session_key"><span class="type-signature"></span>new (require("packet/public_key_encrypted_session_key"))<span class="signature">()</span><span class="type-signature"></span></h4>
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</dt>
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<dd>
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line49">line 49</a>
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</li></ul></dd>
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</dd>
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<dl class="details">
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line18">line 18</a>
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</li></ul></dd>
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</dl>
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</div>
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<h3 class="subsection-title">Requires</h3>
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<ul>
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<li><a href="module-crypto.html">module:crypto</a></li>
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<li><a href="module-enums.html">module:enums</a></li>
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<li><a href="keyid.html">module:type/keyid</a></li>
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<li><a href="mpi.html">module:type/mpi</a></li>
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<li><a href="module-util.html">module:util</a></li>
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</ul>
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<h3 class="subsection-title">Members</h3>
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<dl>
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<dt>
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<h4 class="name" id="encrypted"><span class="type-signature"></span>encrypted<span class="type-signature"> :Array.<<a href="mpi.html">module:type/mpi</a>></span></h4>
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</dt>
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<dd>
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<h5>Type:</h5>
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<ul>
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<li>
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<span class="param-type">Array.<<a href="mpi.html">module:type/mpi</a>></span>
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</li>
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</ul>
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<dl class="details">
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line59">line 59</a>
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</li></ul></dd>
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</dl>
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</dd>
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</dl>
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<h3 class="subsection-title">Methods</h3>
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<dl>
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<dt>
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<h4 class="name" id="decrypt"><span class="type-signature"></span>decrypt<span class="signature">(key)</span><span class="type-signature"> → {String}</span></h4>
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</dt>
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<dd>
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<div class="description">
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Decrypts the session key (only for public key encrypted session key
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packets (tag 1)
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</div>
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<h5>Parameters:</h5>
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<table class="params">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>key</code></td>
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<td class="type">
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<span class="param-type"><a href="secret_key.html">module:packet/secret_key</a></span>
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</td>
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<td class="description last">Private key with secMPIs unlocked</td>
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</tr>
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</tbody>
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</table>
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<dl class="details">
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line160">line 160</a>
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</li></ul></dd>
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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The unencrypted session key
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type">String</span>
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</dd>
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</dl>
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</dd>
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<dt>
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<h4 class="name" id="read"><span class="type-signature"></span>read<span class="signature">(input, position, len)</span><span class="type-signature"> → {<a href="public_key_encrypted_session_key.html">module:packet/public_key_encrypted_session_key</a>}</span></h4>
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</dt>
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<dd>
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<div class="description">
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Parsing function for a publickey encrypted session key packet (tag 1).
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</div>
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<h5>Parameters:</h5>
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<table class="params">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>input</code></td>
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<td class="type">
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<span class="param-type">String</span>
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</td>
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<td class="description last">Payload of a tag 1 packet</td>
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</tr>
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<tr>
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<td class="name"><code>position</code></td>
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<td class="type">
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<span class="param-type">Integer</span>
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</td>
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<td class="description last">Position to start reading from the input string</td>
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</tr>
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<tr>
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<td class="name"><code>len</code></td>
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<td class="type">
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<span class="param-type">Integer</span>
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</td>
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<td class="description last">Length of the packet or the remaining length of
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input at position</td>
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</tr>
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</tbody>
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</table>
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<dl class="details">
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line70">line 70</a>
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</li></ul></dd>
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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Object representation
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type"><a href="public_key_encrypted_session_key.html">module:packet/public_key_encrypted_session_key</a></span>
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</dd>
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</dl>
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</dd>
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<dt>
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<h4 class="name" id="write"><span class="type-signature"></span>write<span class="signature">(publicKeyId, publicMPIs, pubalgo, symmalgo, sessionkey)</span><span class="type-signature"> → {String}</span></h4>
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</dt>
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<dd>
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<div class="description">
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Create a string representation of a tag 1 packet
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</div>
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<h5>Parameters:</h5>
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<table class="params">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>publicKeyId</code></td>
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<td class="type">
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<span class="param-type">String</span>
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</td>
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<td class="description last">The public key id corresponding to publicMPIs key as string</td>
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</tr>
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<tr>
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<td class="name"><code>publicMPIs</code></td>
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<td class="type">
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<span class="param-type">Array.<<a href="mpi.html">module:type/mpi</a>></span>
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</td>
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<td class="description last">Multiprecision integer objects describing the public key</td>
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</tr>
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<tr>
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<td class="name"><code>pubalgo</code></td>
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<td class="type">
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<span class="param-type">Integer</span>
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</td>
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<td class="description last">The corresponding public key algorithm // See RFC4880 9.1</td>
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</tr>
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<tr>
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<td class="name"><code>symmalgo</code></td>
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<td class="type">
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<span class="param-type">Integer</span>
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</td>
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<td class="description last">The symmetric cipher algorithm used to encrypt the data
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within an encrypteddatapacket or encryptedintegrity-
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protecteddatapacket
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following this packet //See RFC4880 9.2</td>
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</tr>
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<tr>
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<td class="name"><code>sessionkey</code></td>
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<td class="type">
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<span class="param-type">String</span>
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</td>
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<td class="description last">A string of randombytes representing the session key</td>
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</tr>
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</tbody>
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</table>
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<dl class="details">
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<dt class="tag-source">Source:</dt>
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<dd class="tag-source"><ul class="dummy"><li>
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<a href="public_key_encrypted_session_key.js.html">packet/public_key_encrypted_session_key.js</a>, <a href="public_key_encrypted_session_key.js.html#line119">line 119</a>
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</li></ul></dd>
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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The string representation
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type">String</span>
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</dd>
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</dl>
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</dd>
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</dl>
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