# HG changeset patch
# User Martin Geisler <[EMAIL PROTECTED]>
# Date 1214046177 -7200
# Node ID b1cc35477e6cb28b797710c4d1df0eb51bab3201
# Parent 60df8261ccb39eeafa2055d9159e6bf261f905e8
Generate and load Paillier keys.
The names "pubkey" and "seckey" are not perfect since we might want
other types of public and secret keys in the future.
diff --git a/viff/config.py b/viff/config.py
--- a/viff/config.py
+++ b/viff/config.py
@@ -35,16 +35,19 @@
from viff.prss import generate_subsets, PRF
from viff.util import rand
+from viff import paillier
class Player:
"""Wrapper for information about a player in the protocol."""
- def __init__(self, id, host, port, keys=None, dealer_keys=None):
+ def __init__(self, id, host, port, pubkey, seckey=None, keys=None,
dealer_keys=None):
"""Initialize a player."""
self.id = id
self.host = host
self.port = port
+ self.pubkey = pubkey
+ self.seckey = seckey
self.keys = keys
self.dealer_keys = dealer_keys
@@ -123,8 +126,10 @@
id = p_unstr(player)
host = config[player]['host']
port = int(config[player]['port'])
+ pubkey = tuple(map(int, config[player]['pubkey']))
if 'prss_keys' in config[player]:
+ seckey = tuple(map(int, config[player]['seckey']))
keys = {}
for subset in config[player]['prss_keys']:
keys[s_unstr(subset)] = config[player]['prss_keys'][subset]
@@ -138,12 +143,12 @@
for subset in config[player]['prss_dealer_keys'][dealer]:
dealer_keys[d][s_unstr(subset)] =
config[player]['prss_dealer_keys'][dealer][subset]
- players[id] = Player(id, host, port, keys, dealer_keys)
+ players[id] = Player(id, host, port, pubkey, seckey, keys,
dealer_keys)
# ID of player for which this config file was made
owner_id = id
else:
- players[id] = Player(id, host, port)
+ players[id] = Player(id, host, port, pubkey)
return owner_id, players
@@ -183,6 +188,9 @@
"""Convert a dealer ID to a string."""
return "Dealer " + str(dealer)
+ # TODO: remove hard-coded key size.
+ key_pairs = dict([(p, paillier.generate_keys(1024)) for p in players])
+
configs = {}
for p in players:
config = ConfigObj(indent_type=' ')
@@ -203,7 +211,11 @@
# in the configuration file, making it slightly easier to read
config.comments[p_str(p)] = ['']
+ config[p_str(p)]['pubkey'] = key_pairs[p][0]
+
if player == p:
+ config[p_str(p)]['seckey'] = key_pairs[p][1]
+
# Prepare the config file for the keys
config[p_str(p)]['prss_keys'] = {}
config[p_str(p)]['prss_dealer_keys'] = {}
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