def decrypt(self, id, mixs, msgs):
avcrypt = AVCrypt(bits=B)
if self.load_key(id, avcrypt):
k = avcrypt.k
me = mixs[0]
others = mixs[1:]
last = not others
msgs = [list(map(int, i.split(b','))) for i in msgs]
msgs = avcrypt.shuffle_decrypt(msgs, last)
if not last:
msgs = b' '.join(b'%d,%d' % (a, b) for a, b in msgs)
resp = self.mix_req(others[0], b'DECRYPT %s %s %s' %
(id, b','.join(others), msgs))
return resp
else:
return b' '.join(b'%d' % i for i in msgs)
def decrypt(self, id, mixs, msgs):
avcrypt = AVCrypt(bits=B)
if self.load_key(id, avcrypt):
k = avcrypt.k
me = mixs[0]
others = mixs[1:]
last = not others
msgs = [list(map(int, i.split(b','))) for i in msgs]
msgs = avcrypt.shuffle_decrypt(msgs, last)
if not last:
msgs = b' '.join(b'%d,%d' % (a, b) for a, b in msgs)
resp = self.mix_req(
others[0], b'DECRYPT %s %s %s' % (id, b','.join(others), msgs))
return resp
else:
return b' '.join(b'%d' % i for i in msgs)
def shuffle(self, id, mixs, msgs):
avcrypt = AVCrypt(bits=B)
pk = self.load_pk(id)
me = mixs[0]
others = mixs[1:]
last = not others
msgs = [list(map(int, i.split(b','))) for i in msgs]
msgs = avcrypt.shuffle(msgs, pk)
msgs = b' '.join(b'%d,%d' % (a, b) for a, b in msgs)
epk = b'%d,%d,%d' % pk
if not last:
resp = self.mix_req(others[0], b'SHUFFLE %s %s %s %s' %
(id, b','.join(others), epk, msgs))
return resp
else:
return msgs
def shuffle(self, id, mixs, msgs):
avcrypt = AVCrypt(bits=B)
pk = self.load_pk(id)
me = mixs[0]
others = mixs[1:]
last = not others
msgs = [list(map(int, i.split(b','))) for i in msgs]
msgs = avcrypt.shuffle(msgs, pk)
msgs = b' '.join(b'%d,%d' % (a, b) for a, b in msgs)
epk = b'%d,%d,%d' % pk
if not last:
resp = self.mix_req(
others[0],
b'SHUFFLE %s %s %s %s' % (id, b','.join(others), epk, msgs))
return resp
else:
return msgs
def gen_key(self, id, mixs, p, g):
avcrypt = AVCrypt(bits=B)
if self.load_key(id, avcrypt):
k = avcrypt.k
elif (not g or not p):
k = avcrypt.genk()
self.save_key(id, avcrypt)
else:
k = avcrypt.getk(int(p), int(g))
self.save_key(id, avcrypt)
me = mixs[0]
others = mixs[1:]
if others:
resp = self.mix_req(others[0], b'GEN_KEY %s %s %d,%d' %
(id, b','.join(others), k.p, k.g))
p, g, y = resp.split(b',')
y = (int(y) * k.y) % k.p
return b'%s,%s,%d' % (p, g, y)
else:
return b'%d,%d,%d' % (k.p, k.g, k.y)
def gen_key(self, id, mixs, p, g):
avcrypt = AVCrypt(bits=B)
if self.load_key(id, avcrypt):
k = avcrypt.k
elif (not g or not p):
k = avcrypt.genk()
self.save_key(id, avcrypt)
else:
k = avcrypt.getk(int(p), int(g))
self.save_key(id, avcrypt)
me = mixs[0]
others = mixs[1:]
if others:
resp = self.mix_req(
others[0],
b'GEN_KEY %s %s %d,%d' % (id, b','.join(others), k.p, k.g))
p, g, y = resp.split(b',')
y = (int(y) * k.y) % k.p
return b'%s,%s,%d' % (p, g, y)
else:
return b'%d,%d,%d' % (k.p, k.g, k.y)
import sys
from avcrypt import AVCrypt
from avcrypt import ElGamal
p, g, y = map(int, sys.argv[1].split(','))
k = AVCrypt(bits=8)
k.k = ElGamal.construct((p, g, y))
clears = [2, 3, 6, 4]
cipher = [','.join(map(str, k.encrypt(i))) for i in clears]
print(' '.join(cipher))
import sys
from avcrypt import AVCrypt
from avcrypt import ElGamal
p, g, y = map(int, sys.argv[1].split(','))
k = AVCrypt(bits=8)
k.k = ElGamal.construct((p, g, y))
clears = [2,3,6,4]
cipher = [','.join(map(str, k.encrypt(i))) for i in clears]
print(' '.join(cipher))