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revision 1.1 by antont, Wed Mar 5 20:09:01 2003 UTC revision 1.2 by antont, Wed Mar 5 20:38:53 2003 UTC
# Line 51  Usability Line 51  Usability
51  Security  Security
52  --------  --------
53    
54  The wireless transfer protocols do not necessarily guarantee the security of the communication,  e.g. confidentiality or integrity of the data.  The wireless transfer protocols do not necessarily guarantee the security of
55    the communication, e.g. confidentiality or integrity of the data.
56    
57  Hence, it may be required that the  That is but one of the many reasons why security must be considered on
58    higher levels as well. Even application layer solutions are commonplace,
59    e.g. using cryptographical means to protect data have been integrated in
60    mail and chat clients (in tools such as pgp [], gpg [], silc [], ..).
61    
62    When considering mobile use, there may be different requirements for the
63    application layer software than in conventional stationary use. For example,
64    applications used in mobile phones must be cheap in terms of CPU to save
65    power and expense. Thus the solutions that have been developed for
66    stationary use (more powerful machines) must be additionally evaluated with
67    the small devices etc. in mind. Obviously, wireless connections can be used
68    for stationary devices as well (e.g. satellite stations are very
69    stationary), so there power distinction does not apply.
70    
71  ..  ..
72    

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