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bzrtp is an opensource implementation of ZRTP keys exchange protocol. 
The library written in C 89 is fully portable and can be executed  on many platforms including both ARM  processor and x86. 

Licensing: The source code is licensed under GPLv2.

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Dependencies:
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	- bctoolbox
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By default, the upstream package installs into /usr/local.  Please use
'./configure --prefix' to change it

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Compatibility with RFC6189 - ZRTP: Media Path Key Agreement for Unicast Secure RTP
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*** Mandatory but NOT implemented
  - Sas Relay mechanism (section 7.3)
  - Error message generation, emission or reception(which doesn't imply any security problem, they are mostly for debug purpose)

*** Optional and implementd
  - multistream mode
  - cacheless implementation
  - key agreement DH2048

*** Optional and NOT implemented
  - zrtp-hash attribute in SDP
  - Go Clear/Clear ACK messages
  - SAS signing