Lucas Catão Moraes

Create messages with expiration/limited views via the CryptNote.pro API without leaving WordPress.
<ul>
<li>Admin form to generate <code>share_url</code> and token via API.</li>
<li>Option to replace all sent emails (<code>wp_mail</code>) with a secure link (attachments are removed).</li>
<li>Customizable placeholders in the email body: <code>{share_url}</code>, <code>{token}</code>, <code>{max_views}</code>, <code>{expire_minutes}</code>.</li>
<li>Support for optional password, expiration in minutes, and Markdown/HTML flags.</li>
<li>Configurable endpoint (default <code>https://cryptnote.pro/api/v1</code>) and optional <code>X-API-Key</code> header.</li>
</ul>
<h3>Privacy</h3>
This plugin uses the external CryptNote service to generate and host the secure link and token. When creating a link, the protected content and metadata (views, expiration, optional password) are sent to <code>https://cryptnote.pro/api/v1</code>. See the service’s privacy policy at https://cryptnote.pro/privacy.php?lang=en.

CryptNote Secure Links

Integrates CryptNote.pro to generate encrypted links directly from the WordPress dashboard and replace emails with secure links.

palicao

This plugin adds a new permalink tag %hashed_id% which represents the encrypted 
version of your post ID. 
Uses hashids library (see http://www.hashids.org/php/).
With this plugin you can change your permalink structure into something like
<pre><code>/%hashed_id%/ 
</code></pre>
to obtain links like
<pre><code>http://www.example.com/B7j1rPk8
</code></pre>
or into something like
<pre><code>/%year%/%monthnum%/%hashed_id%/
</code></pre>
to obtain URLs like
<pre><code>http://www.example.com/2012/10/B7j1rPk8
</code></pre>
or
<pre><code>/%hashed_id%/%postname%/
</code></pre>
to obtain
<pre><code>http://www.example.com/B7j1rPk8/my-slug
</code></pre>
This plugin is useful when you want to obfuscate the number of posts or simply 
if you want an unusual and concise url schema. This is also useful if you want to have 
short URLs without using a third-party service.

WP Hashed IDs

This plugin adds a new permalink tag %hashed_id% which represents the encrypted

CryptNote Secure Links vs WP Hashed IDs