Hello,

This is Kyung Hwang from Columbia University again. I have another question.

Does Viff always need at least 3 participants? It seems to me it does.

I modified "beginner.py" for two players because that file was
simplest to modify, but when I ran the two players, I got the
following errors:

kwhw...@kwhwang-sim1:~/viff-1.0/apps$ python beginner2.py player-2.ini
20 --no-ssl
Seeding random generator with random seed 3781
/home/kwhwang/opt/lib/python/viff/prss.py:43: DeprecationWarning: the
sha module is deprecated; use the hashlib module instead
  import sha
I am player 2 and will input 20
Not using SSL
Listening on port 9002
#### Starting reactor ###
----------------------------------------------------------------
Program started

Error: [Failure instance: Traceback: <type 'exceptions.KeyError'>: 3
/home/kwhwang/opt/lib/python/viff/runtime.py:317:stringReceived
/home/kwhwang/opt/lib/python/viff/runtime.py:456:identify_peer
/usr/lib/python2.6/dist-packages/twisted/internet/defer.py:280:callback
/usr/lib/python2.6/dist-packages/twisted/internet/defer.py:354:_startRunCallbacks
--- <exception caught here> ---
/usr/lib/python2.6/dist-packages/twisted/internet/defer.py:371:_runCallbacks
beginner2.py:69:protocol
/home/kwhwang/opt/lib/python/viff/passive.py:493:input
/home/kwhwang/opt/lib/python/viff/passive.py:550:shamir_share
/home/kwhwang/opt/lib/python/viff/runtime.py:785:_expect_share
/home/kwhwang/opt/lib/python/viff/runtime.py:749:_expect_data
/home/kwhwang/opt/lib/python/viff/runtime.py:754:_expect_data_with_pc


I also modified equality.py for two players to see if it works for
only two players because that file actually compared only two players'
inputs but not the third player's so that file essentially needs two
players. But it gaves errors too with two players.

I think Viff only works with at least three players. Am I correct?

Thank you.

Kyung
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