title: Encrypting a string using AES 128 Bit encryption and a key
body: <p>Imagine I have this key (base 64):</p>
  
  <pre><code>Jdn1jJsD5hFrip4jzHODyA==
  </code></pre>
  
  <p>If I want to encrypt a string using AES 128 bit and the above key, what facilities does the .NET framework provide for this case?</p>
  
  <p>I've tried searching on MSDN, but haven't found anything useful I could use. </p>
  
  <p>Any guidance?</p>