async def join():
async with websockets.connect('ws://localhost:8765') as websocket:
print("> Ask to join")
# Prepare parameters
u = dict(Y)
# Commit
out = {'cmd': 'join', 'name': "Adam"}
out.update(join_0(u))
await websocket.send(jencode(out))
# Await and response
data = await websocket.recv()
frame = jdecode(data)
if frame["status"] != "OK":
print("JOIN ERROR")
return
u.update(frame)
out = join_2(u)
await websocket.send(jencode(out))
# Await
data = await websocket.recv()
if frame["status"] != "OK":
print("JOIN ERROR")
return
frame = jdecode(data)
u.update(frame)
if join_4(u):
global Key
Key = u
async def handler(websocket, path):
data = await websocket.recv()
frame = jdecode(data)
print("< {}".format(frame['cmd']))
import pdb
pdb.set_trace()
if frame['cmd'] == 'get_pk':
print("> Public Key")
out = dict(Y)
await websocket.send(jencode(out))
return
if frame['cmd'] == 'open':
print("> OPEN by", frame['name'])
gm = dict(Y)
gm.update(S)
gm.update(frame)
out = open(gm, gm['msg'], gm['sign'])
await websocket.send(jencode(out))
if frame['cmd'] == 'join':
# prepare values
try:
print("> JOIN by", frame['name'])
gm = dict(Y)
gm.update(S)
gm.update(frame)
# Answer to commit
out = join_1(gm)
await websocket.send(jencode(out))
# Await response
data = await websocket.recv()
frame = jdecode(data)
gm.update(frame)
# Generate key
out = join_3(gm)
await websocket.send(jencode(out))
# Add user to list
Users[gm['name']] = gm
print(gm['name'], "successfully added")
print("{} users on the list".format(len(Users)))
except Exception:
out = {"status": "ERROR"}
print("JOIN ERROR!!!")
await websocket.send(jencode(out))
return
async def get_pk():
async with websockets.connect('ws://localhost:8765') as websocket:
print("> Ask for Public Key")
# Construct and send requrest frame
frame = {"cmd": "get_pk"}
await websocket.send(jencode(frame))
# Await response
data = await websocket.recv()
frame = jdecode(data)
global Y
Y = frame
def test_sign():
Y, S = setup()
u = jdecode(jencode(Y))
gm = jdecode(jencode(Y))
gm.update(jdecode(jencode(S)))
gm.update(jdecode(jencode(join_0(u))))
u.update(jdecode(jencode(join_1(gm))))
gm.update(jdecode(jencode(join_2(u))))
u.update(jdecode(jencode(join_3(gm))))
join_4(u)
s = jdecode(jencode(sign(u, "Awsome message")))
verify(u, "Awsome message", s)
open(gm, "Awsome message", s)
async def open_msg():
async with websockets.connect('ws://localhost:8765') as websocket:
print("> SIGN")
msg = "Random message to sign"
u = dict(Key)
u.update(Y)
signature = sign(u, msg)
# Commit
out = {'cmd': 'open', 'name': "Adam", "msg": msg, "sign": signature}
await websocket.send(jencode(out))
# Await and response
data = await websocket.recv()
frame = jdecode(data)
print(frame)
#!/usr/bin/env python3
from charm.toolbox.pairinggroup import PairingGroup, ZR, G1, G2, GT, pair
from anon_creds import step_7 as challange
from anon_creds import step_9 as verify
from utils import jencode, jdecode
if __name__ == "__main__":
# Read {g, x, y, z, X, Y, Z}
v = jdecode(input("pk: "))
# Await commit
v.update(jdecode(input("commit: ")))
# Create challange
print(jencode(challange(v)))
# Await answer to challange
v.update(jdecode(input("anwser: ")))
# Issue credentials
print(verify(v))
#!/usr/bin/env python3
from charm.toolbox.pairinggroup import PairingGroup, ZR, G1, G2, GT, pair
from anon_creds import step_1 as challange
from anon_creds import step_3 as issue
from utils import jencode, jdecode
if __name__ == "__main__":
# Read {g, x, y, z, X, Y, Z}
i = jdecode(input("sk: "))
# Await commit
i.update(jdecode(input("commit: ")))
# Create challange
print(jencode(challange(i)))
# Await answer to challange
i.update(jdecode(input("anwser: ")))
# Issue credentials
print(jencode(issue(i)))
from utils import b64encode, jencode
import json
import base64
if __name__ == "__main__":
G = PairingGroup('SS512')
g = input("g: ")
g = G.random(G1) if g == "" else G.deserialize(base64.b64decode(g))
skey = G.random(ZR)
pkey = g**skey
m = G.random(ZR)
pk = {"g": g, "pk": pkey}
sk = {"g": g, "pk": pkey, "sk": skey}
mg = {"m": m}
print("Generated credentials: {}".format(
json.dumps(b64encode(sk), indent=4)))
with open("cred.pk", "w+") as f:
f.write(jencode(pk))
with open("cred.sk", "w+") as f:
f.write(jencode(sk))
with open("msg.mg", "w+") as f:
f.write(jencode(mg))
#!/usr/bin/env python3
from charm.toolbox.pairinggroup import PairingGroup, ZR, G1, G2, GT, pair
from anon_creds import step_0 as commit
from anon_creds import step_2 as answer
from anon_creds import step_4 as store
from utils import jencode, jdecode
if __name__ == "__main__":
# Read {g, X, Y, Z, m}
u = jdecode(input("pk: "))
u.update(jdecode(input("m: ")))
# Commit
print(jencode(commit(u)))
# Await challange
u.update(jdecode(input("c: ")))
# Answer challange
print(jencode(answer(u)))
# Await credentials
u.update(jdecode(input("store: ")))
# Store credentials
print(jencode(store(u)))
#!/usr/bin/env python3
from charm.toolbox.pairinggroup import PairingGroup, ZR, G1, G2, GT, pair
from schnorr import step_0 as commit
from schnorr import step_2 as answer
from utils import jencode, jdecode
if __name__ == "__main__":
# Read {g, sk [,pk]}
p = jdecode(input("priv: "))
# Commit X
print(jencode(commit(p)))
# Await challange x
p.update(jdecode(input("c: ")))
# Answer challange with p
print(jencode(answer(p)))
#!/usr/bin/env python3
from charm.toolbox.pairinggroup import PairingGroup, ZR, G1, G2, GT, pair
from schnorr import step_0 as sign
from utils import jencode, jdecode
if __name__ == "__main__":
# Read {g, sk [,pk]}
s = jdecode(input("priv: "))
s.update(jdecode(input("m: ")))
# Sign message m
print(jencode(sign(s)))
