2018-07-10 03:50:21 +00:00
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#!/usr/bin/python
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from __future__ import print_function, absolute_import, unicode_literals
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from http.server import BaseHTTPRequestHandler,HTTPServer
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from fido2.hid import CtapHidDevice, CTAPHID
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from fido2.client import Fido2Client, ClientError
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from fido2.ctap import CtapError
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from fido2.ctap1 import CTAP1
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from fido2.ctap2 import *
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from fido2.cose import *
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2018-07-15 05:23:38 +00:00
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from fido2.utils import Timeout, sha256
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2018-07-10 03:50:21 +00:00
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2018-07-15 05:23:38 +00:00
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from intelhex import IntelHex
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from ecdsa import SigningKey, NIST256p
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import socket,json,base64,ssl,array,binascii
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2018-07-10 03:50:21 +00:00
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2018-12-03 04:31:34 +00:00
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from sign_firmware import *
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2018-07-10 03:50:21 +00:00
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httpport = 8080
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udpport = 8111
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2018-07-15 03:03:25 +00:00
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HEX_FILE = '../efm32/GNU ARM v7.2.1 - Debug/EFM32.hex'
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2018-07-10 03:50:21 +00:00
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def ForceU2F(client,device):
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client.ctap = CTAP1(device)
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client.pin_protocol = None
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client._do_make_credential = client._ctap1_make_credential
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client._do_get_assertion = client._ctap1_get_assertion
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if __name__ == '__main__':
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2018-07-15 03:03:25 +00:00
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try:
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dev = next(CtapHidDevice.list_devices(), None)
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print(dev)
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if not dev:
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raise RuntimeError('No FIDO device found')
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client = Fido2Client(dev, 'https://example.com')
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ForceU2F(client, dev)
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ctap = client.ctap
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except Exception as e:
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print(e)
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2018-07-10 03:50:21 +00:00
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def write(data):
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msg = from_websafe(data)
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msg = base64.b64decode(msg)
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chal = b'A'*32
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appid = b'A'*32
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#print (msg)
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#print (msg.decode())
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#print (str(msg))
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#msg = msg.decode('ascii')
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#print('ascii:',repr(msg))
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#print('ascii:',(type(msg)))
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#print(msg + chal)
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#data = client_param + app_param + struct.pack('>B', len(key_handle)) + key_handle
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#msg = str(msg.decode())
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#print(msg.decode())
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s = ctap.authenticate(chal,appid,msg,)
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print(s)
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#sock.sendto(msg, ('127.0.0.1', udpport))
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def read():
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#msg = [0]*64
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pkt, _ = sock.recvfrom(1000)
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#for i,v in enumerate(pkt):
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#msg[i] = ord(v)
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msg = base64.b64encode(pkt)
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msg = to_websafe(pkt)
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return msg
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class UDPBridge(BaseHTTPRequestHandler):
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def end_headers (self):
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self.send_header('Access-Control-Allow-Origin', '*')
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BaseHTTPRequestHandler.end_headers(self)
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def do_POST(self):
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content_len = int(self.headers.get('Content-Length', 0))
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post_body = self.rfile.read(content_len)
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data = json.loads(post_body)['data']
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print(data)
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msg = from_websafe(data)
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msg = base64.b64decode(msg)
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2018-07-12 03:00:53 +00:00
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chal = b"\xf6\xa2\x3c\xa4\x0a\xf9\xda\xd4\x5f\xdc\xba\x7d\xc9\xde\xcb\xed\xb5\x84\x64\x3a\x4c\x9f\x44\xc2\x04\xb0\x17\xd7\xf4\x3e\xe0\x3f"
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2018-07-10 03:50:21 +00:00
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appid = b'A'*32
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s = ctap.authenticate(chal,appid,msg,)
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data = struct.pack('B',s.user_presence) + struct.pack('>L',s.counter) + s.signature
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data = base64.b64encode(data).decode('ascii')
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data = to_websafe(data)
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data = json.dumps({'data':data})
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data = data.encode('ascii')
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self.send_response(200)
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self.send_header('Content-type','text/json')
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self.end_headers()
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self.wfile.write(data)
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def do_GET(self):
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self.send_response(200)
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self.send_header('Content-type','text/json')
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2018-12-03 04:31:34 +00:00
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msg = get_firmware_object("signing_key.pem",HEX_FILE)
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2018-07-15 03:03:25 +00:00
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self.end_headers()
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2018-07-10 03:50:21 +00:00
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self.wfile.write(json.dumps(msg).encode())
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try:
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server = HTTPServer(('', httpport), UDPBridge)
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print('Started httpserver on port ' , httpport)
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server.socket = ssl.wrap_socket (server.socket,
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keyfile="../web/localhost.key",
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certfile='../web/localhost.crt', server_side=True)
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2018-09-04 23:27:27 +00:00
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print('Saving signed firmware to firmware.json')
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2018-12-03 04:31:34 +00:00
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msg = get_firmware_object("signing_key.pem",HEX_FILE)
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2018-09-04 23:27:27 +00:00
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wfile = open('firmware.json','wb+')
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wfile.write(json.dumps(msg).encode())
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wfile.close()
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2018-07-10 03:50:21 +00:00
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server.serve_forever()
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2018-09-04 23:27:27 +00:00
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2018-07-10 03:50:21 +00:00
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except KeyboardInterrupt:
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server.socket.close()
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