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<!DOCTYPE html><html lang="en"><head> <meta charset="utf-8"> <title>JSDoc: Class: PublicKeyPacket</title>
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<h1 class="page-title">Class: PublicKeyPacket</h1>




<section>
<header> <h2><span class="attribs"><span class="type-signature"></span></span>PublicKeyPacket<span class="signature">(date<span class="signature-attributes">opt</span>, config<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h2> <div class="class-description"><p>Implementation of the Key Material Packet (Tag 5,6,7,14)</p><p><a href="https://tools.ietf.org/html/rfc4880#section-5.5">RFC4480 5.5</a>:A key material packet contains all the information about a public orprivate key. There are four variants of this packet type, and twomajor versions.</p><p>A Public-Key packet starts a series of packets that forms an OpenPGPkey (sometimes called an OpenPGP certificate).</p></div> </header>
<article> <div class="container-overview">
<h2>Constructor</h2>
<h4 class="name" id="PublicKeyPacket"><span class="type-signature"></span>new PublicKeyPacket<span class="signature">(date<span class="signature-attributes">opt</span>, 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>date</code></td>
<td class="type"> <span class="param-type">Date</span>

</td>
<td class="attributes"> &lt;optional><br>

</td>

<td class="description last"><p>Creation date</p></td> </tr>

<tr> <td class="name"><code>config</code></td>
<td class="type"> <span class="param-type">Object</span>

</td>
<td class="attributes"> &lt;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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L45">line 45</a> </li></ul></dd>


</dl>



















</div>






<h3 class="subsection-title">Members</h3>
<h4 class="name" id="algorithm"><span class="type-signature"></span>algorithm<span class="type-signature"> :enums.publicKey</span></h4>



<div class="description"> <p>Public key algorithm.</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">enums.publicKey</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L60">line 60</a> </li></ul></dd>


</dl>





<h4 class="name" id="created"><span class="type-signature"></span>created<span class="type-signature"> :Date</span></h4>



<div class="description"> <p>Key creation date.</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">Date</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L55">line 55</a> </li></ul></dd>


</dl>





<h4 class="name" id="expirationTimeV3"><span class="type-signature"></span>expirationTimeV3<span class="type-signature"> :Integer</span></h4>



<div class="description"> <p>Time until expiration in days (V3 only)</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">Integer</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L70">line 70</a> </li></ul></dd>


</dl>





<h4 class="name" id="fingerprint"><span class="type-signature"></span>fingerprint<span class="type-signature"> :Uint8Array</span></h4>



<div class="description"> <p>Fingerprint bytes</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">Uint8Array</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L75">line 75</a> </li></ul></dd>


</dl>





<h4 class="name" id="keyID"><span class="type-signature"></span>keyID<span class="type-signature"> :<a href="module-type_keyid-KeyID.html">module:type/keyid~KeyID</a></span></h4>



<div class="description"> <p>KeyID</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type"><a href="module-type_keyid-KeyID.html">module:type/keyid~KeyID</a></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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L80">line 80</a> </li></ul></dd>


</dl>





<h4 class="name" id="publicParams"><span class="type-signature"></span>publicParams<span class="type-signature"> :Object</span></h4>



<div class="description"> <p>Algorithm specific public params</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">Object</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L65">line 65</a> </li></ul></dd>


</dl>





<h4 class="name" id="readPublicKey"><span class="type-signature"></span>readPublicKey<span class="type-signature"></span></h4>



<div class="description"> <p>Alias of read()</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L274">line 274</a> </li></ul></dd>

<dt class="tag-see">See:</dt> <dd class="tag-see"> <ul> <li><a href="PublicKeyPacket.html#read">PublicKeyPacket#read</a></li> </ul> </dd>
</dl>





<h4 class="name" id="version"><span class="type-signature"></span>version<span class="type-signature"> :Integer</span></h4>



<div class="description"> <p>Packet version</p></div>


<h5>Type:</h5> <ul> <li> <span class="param-type">Integer</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L50">line 50</a> </li></ul></dd>


</dl>





<h4 class="name" id="writePublicKey"><span class="type-signature"></span>writePublicKey<span class="type-signature"></span></h4>



<div class="description"> <p>Alias of write()</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L280">line 280</a> </li></ul></dd>

<dt class="tag-see">See:</dt> <dd class="tag-see"> <ul> <li><a href="PublicKeyPacket.html#write">PublicKeyPacket#write</a></li> </ul> </dd>
</dl>






<h3 class="subsection-title">Methods</h3>


<h4 class="name" id=".fromSecretKeyPacket"><span class="type-signature">(static) </span>fromSecretKeyPacket<span class="signature">(secretKeyPacket)</span><span class="type-signature"> &rarr; {<a href="PublicKeyPacket.html">PublicKeyPacket</a>}</span></h4>



<div class="description"> <p>Create a PublicKeyPacket from a SecretKeyPacket</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>secretKeyPacket</code></td>
<td class="type"> <span class="param-type"><a href="SecretKeyPacket.html">SecretKeyPacket</a></span>

</td>


<td class="description last"><p>key packet to convert</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L89">line 89</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>public key packet</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type"><a href="PublicKeyPacket.html">PublicKeyPacket</a></span>

</dd></dl>







<h4 class="name" id="computeFingerprint"><span class="type-signature">(async) </span>computeFingerprint<span class="signature">()</span><span class="type-signature"></span></h4>



<div class="description"> <p>Computes and set the fingerprint of the key</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L216">line 216</a> </li></ul></dd>


</dl>





















<h4 class="name" id="computeFingerprintAndKeyID"><span class="type-signature">(async) </span>computeFingerprintAndKeyID<span class="signature">()</span><span class="type-signature"></span></h4>



<div class="description"> <p>Computes and set the key ID and fingerprint of the key</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L200">line 200</a> </li></ul></dd>


</dl>





















<h4 class="name" id="getAlgorithmInfo"><span class="type-signature"></span>getAlgorithmInfo<span class="signature">()</span><span class="type-signature"> &rarr; {Object}</span></h4>



<div class="description"> <p>Returns algorithm information</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L256">line 256</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>An object of the form {algorithm: String, bits:int, curve:String}.</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">Object</span>

</dd></dl>







<h4 class="name" id="getCreationTime"><span class="type-signature"></span>getCreationTime<span class="signature">()</span><span class="type-signature"> &rarr; {Date}</span></h4>



<div class="description"> <p>Returns the creation time of the key</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L184">line 184</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>


<dl> <dt> Type </dt> <dd> <span class="param-type">Date</span>

</dd></dl>







<h4 class="name" id="getFingerprint"><span class="type-signature"></span>getFingerprint<span class="signature">()</span><span class="type-signature"> &rarr; {String}</span></h4>



<div class="description"> <p>Calculates and returns the fingerprint of the key, as a string</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L240">line 240</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>A string containing the fingerprint in lowercase hex</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">String</span>

</dd></dl>







<h4 class="name" id="getFingerprintBytes"><span class="type-signature"></span>getFingerprintBytes<span class="signature">()</span><span class="type-signature"> &rarr; {Uint8Array}</span></h4>



<div class="description"> <p>Returns the fingerprint of the key, as an array of bytes</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L232">line 232</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>A Uint8Array containing the fingerprint</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">Uint8Array</span>

</dd></dl>







<h4 class="name" id="getKeyID"><span class="type-signature"></span>getKeyID<span class="signature">()</span><span class="type-signature"> &rarr; {<a href="module-type_keyid-KeyID.html">module:type/keyid~KeyID</a>}</span></h4>



<div class="description"> <p>Return the key ID of the key</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L192">line 192</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>The 8-byte key ID</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type"><a href="module-type_keyid-KeyID.html">module:type/keyid~KeyID</a></span>

</dd></dl>







<h4 class="name" id="hasSameFingerprintAs"><span class="type-signature"></span>hasSameFingerprintAs<span class="signature">()</span><span class="type-signature"> &rarr; {Boolean}</span></h4>



<div class="description"> <p>Calculates whether two keys have the same fingerprint without actually calculating the fingerprint</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L248">line 248</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>Whether the two keys have the same version and public key data.</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">Boolean</span>

</dd></dl>







<h4 class="name" id="isDecrypted"><span class="type-signature"></span>isDecrypted<span class="signature">()</span><span class="type-signature"> &rarr; {Boolean|null}</span></h4>



<div class="description"> <p>Check whether secret-key data is available in decrypted form. Returns null for public keys.</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L176">line 176</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>


<dl> <dt> Type </dt> <dd> <span class="param-type">Boolean</span>|
<span class="param-type">null</span>

</dd></dl>







<h4 class="name" id="read"><span class="type-signature">(async) </span>read<span class="signature">(bytes)</span><span class="type-signature"> &rarr; {Object}</span></h4>



<div class="description"> <p>Internal Parser for public keys as specified in <a href="https://tools.ietf.org/html/rfc4880#section-5.5.2">RFC 4880 section 5.5.2 Public-Key Packet Formats</a></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>Input array to read the packet from</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L107">line 107</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>This object with attributes set by the parser</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">Object</span>

</dd></dl>







<h4 class="name" id="write"><span class="type-signature"></span>write<span class="signature">()</span><span class="type-signature"> &rarr; {Uint8Array}</span></h4>



<div class="description"> <p>Creates an OpenPGP public key packet for the given key.</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L141">line 141</a> </li></ul></dd>


</dl>














<h5>Returns:</h5>
<div class="param-desc"> <p>Bytes encoding the public key OpenPGP packet.</p></div>


<dl> <dt> Type </dt> <dd> <span class="param-type">Uint8Array</span>

</dd></dl>







<h4 class="name" id="writeForHash"><span class="type-signature"></span>writeForHash<span class="signature">(version)</span><span class="type-signature"></span></h4>



<div class="description"> <p>Write packet in order to be hashed; either for a signature or a fingerprint</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>version</code></td>
<td class="type"> <span class="param-type">Integer</span>

</td>


<td class="description last"><p>target version of signature or key</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/public_key.js">packet/public_key.js</a>, <a href="https://github.com/openpgpjs/openpgpjs/blob/v5.4.0/src/packet/public_key.js#L163">line 163</a> </li></ul></dd>


</dl>





















</article>
</section>



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