14. Using Encryption
14.1. Introduction
To secure all communication between the WCAP and
the wireless delegate units, all information that is
passed over the radio link is encrypted by default,
using a default encryption key. This key is identical
for all Confidea wireless equipment.
To this default key, a custom encryption key can be
added. This further enhances the confidentiality, but
can also be used to control access in an environment
where multiple adjacent rooms are using a Confidea
wireless conference system. In this way, access can
be restricted to a single room or a selection of
rooms. The custom key as it were adds a unique
relationship between a wireless unit and a given
access point.
14.2. Default encryption
By default the system uses an encryption mechanism
that is known by each unit in the wireless conference
configuration.
By using this setting it is possible to add new units in
the conference configuration or using the delegate
units with other WCAP’s at any time
14.3. Setting the default
encryption
The default encryption mechanism can be set by
following these steps:
1. Select the “Key assignment” sub tab in the
“Encryption” menu from the web server.
Figure 14.1: Web server key assignment page selection
The following screen will appear:
Figure 14.2: Key assignment page
2. Select the “Use default key” option to return
to the default encryption mechanism
Figure 14.3: Default key selection
14.4. Custom encryption
Note:
The advanced encryption mechanism
used in the Confidea wireless system
makes decryption by third party
equipment practically impossible.
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