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<title>JSDoc: Module: encoding/armor</title>
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<h1 class="page-title">Module: encoding/armor</h1>
<section>
<header>
<h2>
encoding/armor
</h2>
</header>
<article>
<div class="container-overview">
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line18">line 18</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name" id="crc_table"><span class="type-signature"><inner> </span>crc_table<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
Internal function to calculate a CRC-24 checksum over a given string (data)
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line132">line 132</a>
</li></ul></dd>
</dl>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="armor"><span class="type-signature"><inner> </span>armor<span class="signature">(messagetype, body, partindex, parttotal)</span><span class="type-signature"> → {String}</span></h4>
</dt>
<dd>
<div class="description">
Armor an OpenPGP binary packet block
</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>messagetype</code></td>
<td class="type">
<span class="param-type">Integer</span>
</td>
<td class="description last">type of the message</td>
</tr>
<tr>
<td class="name"><code>body</code></td>
<td class="type">
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>partindex</code></td>
<td class="type">
<span class="param-type">Integer</span>
</td>
<td class="description last"></td>
</tr>
<tr>
<td class="name"><code>parttotal</code></td>
<td class="type">
<span class="param-type">Integer</span>
</td>
<td class="description last"></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line315">line 315</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
Armored text
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">String</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="armor_addheader"><span class="type-signature"><inner> </span>armor_addheader<span class="signature">()</span><span class="type-signature"> → {String}</span></h4>
</dt>
<dd>
<div class="description">
Add additional information to the armor version of an OpenPGP binary
packet block.
</div>
<dl class="details">
<dt class="tag-version">Version:</dt>
<dd class="tag-version"><ul class="dummy"><li>2011-12-16</li></ul></dd>
<dt class="tag-author">Author:</dt>
<dd class="tag-author">
<ul>
<li>Alex</li>
</ul>
</dd>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line88">line 88</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
The header information
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">String</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="dearmor"><span class="type-signature"><inner> </span>dearmor<span class="signature">(text)</span><span class="type-signature"> → {Object}</span></h4>
</dt>
<dd>
<div class="description">
DeArmor an OpenPGP armored message; verify the checksum and return
the encoded bytes
</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>text</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">OpenPGP armored message</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line248">line 248</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
An object with attribute "text" containing the message text,
an attribute "data" containing the bytes and "type" for the ASCII armor type
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Object</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="get_type"><span class="type-signature"><inner> </span>get_type<span class="signature">(text)</span><span class="type-signature"> → {Integer}</span></h4>
</dt>
<dd>
<div class="description">
Finds out which Ascii Armoring type is used. This is an internal function
</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>text</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">[String] ascii armored text</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line35">line 35</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
0 = MESSAGE PART n of m
1 = MESSAGE PART n
2 = SIGNED MESSAGE
3 = PGP MESSAGE
4 = PUBLIC KEY BLOCK
5 = PRIVATE KEY BLOCK
null = unknown
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Integer</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getCheckSum"><span class="type-signature"><inner> </span>getCheckSum<span class="signature">(data)</span><span class="type-signature"> → {String}</span></h4>
</dt>
<dd>
<div class="description">
Calculates a checksum over the given data and returns it base64 encoded
</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>data</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">Data to create a CRC-24 checksum for</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line107">line 107</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
Base64 encoded checksum
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">String</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="split_checksum"><span class="type-signature"><inner> </span>split_checksum<span class="signature">(text)</span><span class="type-signature"> → {Boolean|Object}</span></h4>
</dt>
<dd>
<div class="description">
Splits a message into two parts, the body and the checksum. This is an internal function
</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>text</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">OpenPGP armored message part</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line226">line 226</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
Either false in case of an error
or an object with attribute "body" containing the body
and an attribute "checksum" containing the checksum.
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Boolean</span>
|
<span class="param-type">Object</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="split_headers"><span class="type-signature"><inner> </span>split_headers<span class="signature">(text)</span><span class="type-signature"> → {Boolean|Object}</span></h4>
</dt>
<dd>
<div class="description">
Splits a message into two parts, the headers and the body. This is an internal function
</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>text</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">OpenPGP armored message part</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line204">line 204</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
Either false in case of an error
or an object with attribute "headers" containing the headers and
and an attribute "body" containing the body.
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Boolean</span>
|
<span class="param-type">Object</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="verifyCheckSum"><span class="type-signature"><inner> </span>verifyCheckSum<span class="signature">(data, checksum)</span><span class="type-signature"> → {Boolean}</span></h4>
</dt>
<dd>
<div class="description">
Calculates the checksum over the given data and compares it with the
given base64 encoded checksum
</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>data</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">Data to create a CRC-24 checksum for</td>
</tr>
<tr>
<td class="name"><code>checksum</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">Base64 encoded checksum</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="armor.js.html">encoding/armor.js</a>, <a href="armor.js.html#line122">line 122</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
True if the given checksum is correct; otherwise false
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Boolean</span>
</dd>
</dl>
</dd>
</dl>
</article>
</section>
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