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lock application Lock phone applications: Find it: s >wSettings > Security > Lock Application When prompted, enter the unlock code and press Ok. Then scroll to the application you wish to lock and press Change. change unlock and security codes Find it: s >wSettings > Security > New Passwords > Unlock Code or Security Code control access to location function Set up a location code to control access to the Location function (see “AGPS & your location” on page 59): Find it: s >wSettings > Security > New Passwords > Location Code
Because of limited server and network capacities for streaming
applications, multimedia proxies are commonly used to cache multimedia
objects such that, by accessing nearby proxies, clients can enjoy a
smaller start-up latency and receive a better quality-of-service (QoS)
guarantee-for example, reduced packet loss and delay jitters for their
requests. However, the use of multimedia proxies increases the risk
that multimedia data are exposed to unauthorized access by intruders.
In this paper, we present a framework for implementing a secure
multimedia proxy system for audio and video streaming applications. The
framework employs a notion of asymmetric reversible parametric sequence
(ARPS) to provide the following security properties: i) data
confidentiality during transmission, ii) end-to-end data
confidentiality, iii) data confidentiality against proxy intruders, and
iv) data confidentiality against member collusion. Our framework is
grounded on a multikey RSA technique such that system resilience
against attacks is provably strong given standard computability
assumptions. One important feature of our proposed scheme is that
clients only need to perform a single decryption operation to recover
the original data even though the data packets may have been encrypted
by multiple proxies along the delivery path. We also propose the use of
a set of encryption configuration parameters (ECP) to trade off proxy
encryption throughput against the presentation quality of audio/video
obtained by unauthorized parties. Implementation results show that we
can simultaneously achieve high encryption throughput and extremely low
video quality (in terms of peak signal-to-noise ratio and visual
quality of decoded video frames) for unauthorized access.
Easy do you remember the security code for ur mobile if u remember it than i 100% can help u solve the problem!!!u just press message and it want u take the unlock code!! than u press the menu button and it change to insert the security code than u can get in!!!! (default security code:0000 or 00000)
did u change the security code as well? if not then all u need to do is press the menu button when the cell ask u for the lock code and it will ask for security code, enter 000000 (6 zeros)... that shud work if u only changed the lock code.