import base64
import os
import gevent
from Plugin import PluginManager
from Crypt import CryptBitcoin, CryptHash
import lib.pybitcointools as btctools
from Config import config
from . import CryptMessage
@PluginManager.registerTo("UiWebsocket")
class UiWebsocketPlugin(object):
def eciesDecrypt(self, encrypted, privatekey):
back = CryptMessage.getEcc(privatekey).decrypt(encrypted)
return back.decode("utf8")
# - Actions -
# Returns user's public key unique to site
# Return: Public key
def actionUserPublickey(self, to, index=0):
publickey = self.user.getEncryptPublickey(self.site.address, index)
self.response(to, publickey)
# Encrypt a text using the publickey or user's sites unique publickey
# Return: Encrypted text using base64 encoding
def actionEciesEncrypt(self, to, text, publickey=0, return_aes_key=False):
if type(publickey) is int: # Encrypt using user's publickey
publickey = self.user.getEncryptPublickey(self.site.address, publickey)
aes_key, encrypted = CryptMessage.eciesEncrypt(text.encode("utf8"), publickey)
if return_aes_key:
self.response(to, [base64.b64encode(encrypted).decode("utf8"), base64.b64encode(aes_key).decode("utf8")])
else:
self.response(to, base64.b64encode(encrypted).decode("utf8"))
# Decrypt a text using privatekey or the user's site unique private key
# Return: Decrypted text or list of decrypted texts
def actionEciesDecrypt(self, to, param, privatekey=0):
if type(privatekey) is int: # Decrypt using user's privatekey
privatekey = self.user.getEncryptPrivatekey(self.site.address, privatekey)
if type(param) == list:
encrypted_texts = param
else:
encrypted_texts = [param]
texts = CryptMessage.eciesDecryptMulti(encrypted_texts, privatekey)
if type(param) == list:
self.response(to, texts)
else:
self.response(to, texts[0])
# Encrypt a text using AES
# Return: Iv, AES key, Encrypted text
def actionAesEncrypt(self, to, text, key=None, iv=None):
from lib import pyelliptic
if key:
key = base64.b64decode(key)
else:
key = os.urandom(32)
if iv: # Generate new AES key if not definied
iv = base64.b64decode(iv)
else:
iv = pyelliptic.Cipher.gen_IV('aes-256-cbc')
if text:
encrypted = pyelliptic.Cipher(key, iv, 1, ciphername='aes-256-cbc').ciphering(text.encode("utf8"))
else:
encrypted = b""
res = [base64.b64encode(item).decode("utf8") for item in [key, iv, encrypted]]
self.response(to, res)
# Decrypt a text using AES
# Return: Decrypted text
def actionAesDecrypt(self, to, *args):
from lib import pyelliptic
if len(args) == 3: # Single decrypt
encrypted_texts = [(args[0], args[1])]
keys = [args[2]]
else: # Batch decrypt
encrypted_texts, keys = args
texts = [] # Decoded texts
for iv, encrypted_text in encrypted_texts:
encrypted_text = base64.b64decode(encrypted_text)
iv = base64.b64decode(iv)
text = None
for key in keys:
ctx = pyelliptic.Cipher(base64.b64decode(key), iv, 0, ciphername='aes-256-cbc')
try:
decrypted = ctx.ciphering(encrypted_text)
if decrypted and decrypted.decode("utf8"): # Valid text decoded
text = decrypted.decode("utf8")
except Exception as err:
pass
texts.append(text)
if len(args) == 3:
self.response(to, texts[0])
else:
self.response(to, texts)
# Sign data using ECDSA
# Return: Signature
def actionEcdsaSign(self, to, data, privatekey=None):
if privatekey is None: # Sign using user's privatekey
privatekey = self.user.getAuthPrivatekey(self.site.address)
self.response(to, CryptBitcoin.sign(data, privatekey))
# Verify data using ECDSA (address is either a address or array of addresses)
# Return: bool
def actionEcdsaVerify(self, to, data, address, signature):
self.response(to, CryptBitcoin.verify(data, address, signature))
# Gets the publickey of a given privatekey
def actionEccPrivToPub(self, to, privatekey):
self.response(to, btctools.privtopub(privatekey))
# Gets the address of a given publickey
def actionEccPubToAddr(self, to, publickey):
address = btctools.pubtoaddr(btctools.decode_pubkey(publickey))
self.response(to, address)
@PluginManager.registerTo("User")
class UserPlugin(object):
def getEncryptPrivatekey(self, address, param_index=0):
if param_index < 0 or param_index > 1000:
raise Exception("Param_index out of range")
site_data = self.getSiteData(address)
if site_data.get("cert"): # Different privatekey for different cert provider
index = param_index + self.getAddressAuthIndex(site_data["cert"])
else:
index = param_index
if "encrypt_privatekey_%s" % index not in site_data:
address_index = self.getAddressAuthIndex(address)
crypt_index = address_index + 1000 + index
site_data["encrypt_privatekey_%s" % index] = CryptBitcoin.hdPrivatekey(self.master_seed, crypt_index)
self.log.debug("New encrypt privatekey generated for %s:%s" % (address, index))
return site_data["encrypt_privatekey_%s" % index]
def getEncryptPublickey(self, address, param_index=0):
if param_index < 0 or param_index > 1000:
raise Exception("Param_index out of range")
site_data = self.getSiteData(address)
if site_data.get("cert"): # Different privatekey for different cert provider
index = param_index + self.getAddressAuthIndex(site_data["cert"])
else:
index = param_index
if "encrypt_publickey_%s" % index not in site_data:
privatekey = self.getEncryptPrivatekey(address, param_index)
publickey = btctools.encode_pubkey(btctools.privtopub(privatekey), "bin_compressed")
site_data["encrypt_publickey_%s" % index] = base64.b64encode(publickey).decode("utf8")
return site_data["encrypt_publickey_%s" % index]
@PluginManager.registerTo("Actions")
class ActionsPlugin:
publickey = "A3HatibU4S6eZfIQhVs2u7GLN5G9wXa9WwlkyYIfwYaj"
privatekey = "5JBiKFYBm94EUdbxtnuLi6cvNcPzcKymCUHBDf2B6aq19vvG3rL"
utf8_text = '\xc1rv\xedzt\xfbr\xf5t\xfck\xf6rf\xfar\xf3g\xe9p'
def getBenchmarkTests(self, online=False):
if hasattr(super(), "getBenchmarkTests"):
tests = super().getBenchmarkTests(online)
else:
tests = []
aes_key, encrypted = CryptMessage.eciesEncrypt(self.utf8_text.encode("utf8"), self.publickey) # Warm-up
tests.extend([
{"func": self.testCryptEciesEncrypt, "kwargs": {}, "num": 100, "time_standard": 1.2},
{"func": self.testCryptEciesDecrypt, "kwargs": {}, "num": 500, "time_standard": 1.3},
{"func": self.testCryptEciesDecryptMulti, "kwargs": {}, "num": 5, "time_standard": 0.68},
{"func": self.testCryptAesEncrypt, "kwargs": {}, "num": 10000, "time_standard": 0.27},
{"func": self.testCryptAesDecrypt, "kwargs": {}, "num": 10000, "time_standard": 0.25}
])
return tests
def testCryptEciesEncrypt(self, num_run=1):
for i in range(num_run):
aes_key, encrypted = CryptMessage.eciesEncrypt(self.utf8_text.encode("utf8"), self.publickey)
assert len(aes_key) == 32
yield "."
def testCryptEciesDecrypt(self, num_run=1):
aes_key, encrypted = CryptMessage.eciesEncrypt(self.utf8_text.encode("utf8"), self.publickey)
for i in range(num_run):
assert len(aes_key) == 32
ecc = CryptMessage.getEcc(self.privatekey)
assert ecc.decrypt(encrypted) == self.utf8_text.encode("utf8"), "%s != %s" % (ecc.decrypt(encrypted), self.utf8_text.encode("utf8"))
yield "."
def testCryptEciesDecryptMulti(self, num_run=1):
yield "x 100 (%s threads) " % config.threads_crypt
aes_key, encrypted = CryptMessage.eciesEncrypt(self.utf8_text.encode("utf8"), self.publickey)
threads = []
for i in range(num_run):
assert len(aes_key) == 32
threads.append(gevent.spawn(
CryptMessage.eciesDecryptMulti, [base64.b64encode(encrypted)] * 100, self.privatekey
))
for thread in threads:
res = thread.get()
assert res[0] == self.utf8_text, "%s != %s" % (res[0], self.utf8_text)
assert res[0] == res[-1], "%s != %s" % (res[0], res[-1])
yield "."
gevent.joinall(threads)
def testCryptAesEncrypt(self, num_run=1):
from lib import pyelliptic
for i in range(num_run):
key = os.urandom(32)
iv = pyelliptic.Cipher.gen_IV('aes-256-cbc')
encrypted = pyelliptic.Cipher(key, iv, 1, ciphername='aes-256-cbc').ciphering(self.utf8_text.encode("utf8"))
yield "."
def testCryptAesDecrypt(self, num_run=1):
from lib import pyelliptic
key = os.urandom(32)
iv = pyelliptic.Cipher.gen_IV('aes-256-cbc')
encrypted_text = pyelliptic.Cipher(key, iv, 1, ciphername='aes-256-cbc').ciphering(self.utf8_text.encode("utf8"))
for i in range(num_run):
ctx = pyelliptic.Cipher(key, iv, 0, ciphername='aes-256-cbc')
decrypted = ctx.ciphering(encrypted_text).decode("utf8")
assert decrypted == self.utf8_text
yield "."