|-
| '''Example'''
|'''Returns the Return message authentication code (MAC) for a given string.''':
'''Query:'''
<pre class="brush:xquery">
|-
| '''Example'''
|'''Encrypts Encrypt input data.''' '''Query:'''
<pre class="brush:xquery">
crypto:encrypt('message', 'symmetric', 'keykeyke', 'DES')
|-
| '''Example'''
|'''Decrypts Decrypt input data and returns the return original string.''':
'''Query:'''
<pre class="brush:xquery">