def digest (password): """This method returns the LM hash of a password in a binary string. @param password The password to calculate the LM hash. @return A binary string with the LM value""" # Get the PASSWORD (uppercase) upperPass = password.upper() # Get a list with each character of upperPass in hex format mPass = map(hex,map(ord,upperPass)) # Pad with NULLs mPass.extend (['0x00']*(14-len(mPass))) # Split in 2 7-bytes parts and get the 2 related keys key1 = __getKey ( ['0x00'] + mPass[:7] ) key2 = __getKey ( ['0x00'] + mPass[7:14] ) # Get the LM hash BASESTRING = 'KGS!@#$%' des = pyDes.des ( key1, mode=pyDes.ECB, pad='\x00' ) lmhash = des.encrypt( BASESTRING ) des = pyDes.des ( key2, mode=pyDes.ECB, pad='\x00' ) lmhash += des.encrypt( BASESTRING ) # Return the LM hash return lmhash
def __desencrypt(self, data, key):
""" DES encrypt algorithm, to generate signature. """
ph = '--------'
key = (key + ph)[:8] # 8 digits
des = pyDes.des(key, pyDes.CBC, key, pad=None, padmode=pyDes.PAD_PKCS5)
d = des.encrypt(data)
return binascii.hexlify(d)
def get_sid_token(encrypt_string):
k=pyDes.des('e5571054', pyDes.ECB, "\0\0\0\0\0\0\0\0", pad='\32', padmode=pyDes.PAD_NORMAL)
enh=base64.decodestring(encrypt_string)
data = k.decrypt(enh)
data = data.split('\0')[0]
print data
return data
def get_ep(fileid, sid, token):
src = sid+'_'+fileid+'_'+token
k=pyDes.des('bf09f477', pyDes.ECB, "\0\0\0\0\0\0\0\0", pad='\0', padmode=pyDes.PAD_NORMAL)
print src
d = k.encrypt(str(src))
ep = base64.b64encode(d)
return urllib.quote_plus(ep)
def change_unix_pwd(self):
"""Change password at unix level after password expiration at website
Level.Uses secret passphrase, old password and new password while
changing password.Returns True on success and False on failure.Also,
logs the error message incase of failure.
"""
old_pwd = self.config['COMMON.OLD_PASSWORD']
new_pwd = self.config['COMMON.PASSWORD']
home = self.config['COMMON.DEFAULT_HOME']
enc_pwd_file = self.config['COMMON.ENC_PASS_FILE']
secret_pphrase = self.config['pass_phrase']
if old_pwd == new_pwd:
self.data['UNIX_MSG'] = "Password change failed : old pwd = new pwd"
return False
try:
key = pyDes.des(secret_pphrase, pad=None, padmode=PAD_PKCS5)
enc_pwd = key.encrypt(new_pwd)
enc_file_loc = home + '/' + enc_pwd_file
fhandle = open(enc_file_loc, "w")
fhandle.write(enc_pwd)
except IOError, err:
logger.error("Password change failed :ERROR: "+str(err))
return False
def encrypt(text): if isinstance(text, str) == False: raise TypeError key = generateKey() text = DecryptionIdentifier + text des = pyDes.des(key, padmode = pyDes.PAD_PKCS5) return des.encrypt(text)
def encode(str):
if type(str) == types.UnicodeType:
str = str.encode("utf-8")
key = pyDes.des("12312312", pyDes.CBC, "12312312", pad=None, padmode=pyDes.PAD_PKCS5)
des_data = key.encrypt(str)
b_data = base64.b64encode(des_data)
return b_data
def decrypt(cipherHex, db_system_id):
cipherText = binascii.unhexlify(cipherHex)
assert cipherText[0] == 5
key = cipherText[1:9]
cipher = pyDes.des(key, mode=pyDes.CBC, IV='\0' * 8, padmode=pyDes.PAD_PKCS5)
plainText = cipher.decrypt(cipherText[9:]).decode('utf-8')
return plainText
def crypt(key, data, method):
cipher = pyDes.des(key, padmode=pyDes.PAD_PKCS5)
if method == 'e':
value = cipher.encrypt(data).encode('hex')
if method == 'd':
value = cipher.decrypt(data.decode('hex'))
return value
def decryptFile(inputFilePath, outputFilePath):
file = open(inputFilePath)
data = file.read()
k = pyDes.des("DESCRYPT", pyDes.CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=pyDes.PAD_PKCS5)
decrypted_content = k.decrypt(data)
with open(outputFilePath, 'w') as file_handle:
file_handle.write(decrypted_content)
def tweet(request):
import base64
import pyDes
import re
import json
api = create_api(request)
tweet = request.GET["tweet"]
tweetbin = base64.b64decode(tweet)
k = pyDes.des(request.session.session_key[:8], pyDes.ECB)
tweetdec = k.decrypt(tweetbin)
tweetrep = re.compile("\x05*$").sub("", tweetdec)
content_type = "application/json;charset=UTF-8"
try:
api.status_update(tweetrep)
pass
except:
result = {"result": "fail"}
response = django.http.HttpResponseServerError(content=json.dumps(result), content_type=content_type)
else:
result = {"result": "success"}
response = django.http.HttpResponse(content=json.dumps(result), content_type=content_type)
return response
def read_pm25():
service = RemotingService(config.AMF_GATEWAY).getService('FlashRemotingServiceLibrary.Sample.getSurvyValue')
extract = lambda s: int(s[8: s.find(u'微克')]) if s[9] != u'—' else None
key = pyDes.des(config.DES_KEY, pyDes.CBC, config.DES_IV)
return map(extract,
[key.decrypt(b64decode(service("PM25", scode))).decode("UTF-8")
for scode in config.STATION.iterkeys()]
) # I'm too lazy...
def acctDecrypt(AcctArray, pwkey):
#decrypt accounts
d = pyDes.des(pwkey)
for acct in AcctArray:
acct[1] = d.decrypt(acct[1],' ')
acct[3] = d.decrypt(acct[3],' ')
acct[4] = d.decrypt(acct[4],' ')
return AcctArray
def encrypt(self, data):
k = pyDes.des(self.key, pyDes.CBC, self.iv, pad=None, padmode=pyDes.PAD_PKCS5)
d = k.encrypt(data)
print("xxxxoriginxxxxxxxxxx")
print(d)
print('...............................')
print "Encrypt00000000000000000ed:%r" % binascii.hexlify(d)
#d = base64.encodestring(d)
return d
def CalcMac3DES(data,initdata,key):
datalen = len(data)
k = pyDes.des(key[:8],pad=None, padmode=pyDes.PAD_NORMAL)
for i in range(datalen/8):
m = ""
for j in range(len(initdata)):
m = m + chr(ord(initdata[j]) ^ ord(data[i*8+j]))
initdata = m
x = k.encrypt(initdata)
initdata = x
k1 = pyDes.des(key[8:],pad=None, padmode=pyDes.PAD_NORMAL)
n = k1.decrypt(initdata)
initdata = k.encrypt(n)
return initdata
def decrypt(cipher): key = generateKey() des = pyDes.des(key) dcyIDLen = len(DecryptionIdentifier) text = des.decrypt(cipher, padmode = pyDes.PAD_PKCS5) if len(text) < dcyIDLen or text[0:dcyIDLen] != DecryptionIdentifier: raise DecryptionError else: text = text[dcyIDLen:] return text
def __init__(self, IV):
'''
:param IV: initial value, length must be 8 bytes
'''
assert isinstance(IV, str)
assert len(IV) == 8
self.IV = IV
self.des = pyDes.des("DESCRYPT", pyDes.CBC, self.IV, pad=None, padmode=pyDes.PAD_PKCS5)
def decryptKey():
key='1122334455667788'
data='5B4A94494D94CCAEB823A0302D789E5DA0EE5C28AF05D1354EFF59C3C3EDD44A'
data2='3CF5F19CFE622E70D1BBF719A6D29CCE229A3AB5C502C90C37EC16E8C7962B53'
k = pyDes.des(codecs.decode(key,'hex'), pad=None, padmode=pyDes.PAD_NORMAL)
e = k.decrypt(codecs.decode(data,'hex'))
print 'load key[%s]' % codecs.encode(e,'hex')
e = k.decrypt(codecs.decode(data2,'hex'))
print 'main key[%s]' % codecs.encode(e,'hex')
def encrypt(encrypt_str):
'''加密字符串'''
key="llgmgpyw"
k=pyDes.des(key,pyDes.CBC,"\0\0\0\0\0\0\0\0",pad=None,padmode=pyDes.PAD_PKCS5)
encrypt_str=encrypt_str.encode("base64")
ret=k.encrypt(encrypt_str)
ret=ret.encode("base64")
if ret[-1:]=="\n":
ret=ret[:-1]
return ret
def decipher_bloomberg_file(key_as_str, in_filename, out_filename):
# Instanciate the DES decryptor
decrypt = des(str(des_string_to_key(key_as_str)),CBC,BLOOMBERG_PADDING, pad=None, padmode=PAD_NORMAL)
in_file = open(in_filename,'rb')
uubuffer = in_file.read()
in_file.close()
out_file = open(out_filename,'wb')
uudecode = codecs.getdecoder('uu')
payload, size = uudecode(uubuffer)
out_file.write(decrypt.decrypt(payload))
out_file.close()
def iproxy(url):
if isinstance(url, unicode):
url = url.encode('utf-8')
try:
url = urlparse(url)
except Exception:
return url
src = url.netloc + url.path
cipher = pyDes.des(URL_CRYPT_KEY, padmode=pyDes.PAD_PKCS5)
dst = cipher.encrypt(src, padmode=pyDes.PAD_PKCS5)
return 'http://img{}.zhinsta.com:8000/{}'.format(random.choice([1, 2]), base64.urlsafe_b64encode(dst).strip())
def des_decryption_module(key_data,config_data):
try:
des_decryption = des(key_data)
decrypted_data = des_decryption.decrypt(config_data)
return decrypted_data
except Exception as e:
print e
pass
def calcmac(key,data,random): p = codecs.decode(data,'hex') datalen = len(p) keytext = codecs.decode(key,'hex') k = pyDes.des(keytext[:8],pad=None, padmode=pyDes.PAD_NORMAL) initdata = codecs.decode(random,'hex') for i in range(datalen/8): #print "calc mac [%d] " % i m = "" for j in range(len(initdata)): m = m + chr(ord(initdata[j]) ^ ord(p[i*8+j])) initdata = m x = k.encrypt(initdata) initdata = x k1 = pyDes.des(keytext[8:],pad=None, padmode=pyDes.PAD_NORMAL) n = k1.decrypt(initdata) initdata = k.encrypt(n) return initdata
def desencriptaFichero(self, contrasena, ruta, nombreArchivo): # abrimos el arhivo, lo guardamos en memoria y cerramos. f = open(ruta+nombreArchivo, 'rb') d = f.read() f.close() # convertimos la clave string en objeto clave k = des(contrasena) #desencriptamos el fichero-objeto en memoria con el #objeto clave y lo grabamos en memoria d = k.decrypt(d, ' ') return d
def test_des_encrypt(self):
import pyDes
key = '_abcdef_'
ivec = key
sinput = 'testtes'
k = pyDes.des(key, pyDes.CBC, ivec, pad=None, padmode=pyDes.PAD_PKCS5)
expected = bin2hex(k.encrypt(sinput))
from ctypes_des import des_encrypt
real = des_encrypt(sinput, key, ivec)
self.assertEqual(real, expected)
def calc_resp(password_hash, server_challenge):
"""calc_resp generates the LM response given a 16-byte password hash and the
challenge from the Type-2 message.
@param password_hash
16-byte password hash
@param server_challenge
8-byte challenge from Type-2 message
returns
24-byte buffer to contain the LM response upon return
"""
# padding with zeros to make the hash 21 bytes long
password_hash = password_hash + b'\0' * (21 - len(password_hash))
res = b''
dobj = pyDes.des(key56_to_key64(password_hash[0:7]))
res = res + dobj.encrypt(server_challenge[0:8])
dobj = pyDes.des(key56_to_key64(password_hash[7:14]))
res = res + dobj.encrypt(server_challenge[0:8])
dobj = pyDes.des(key56_to_key64(password_hash[14:21]))
res = res + dobj.encrypt(server_challenge[0:8])
return res
def calcmac(key,data,seedkey,random):
""" 使用过程密钥计算 MAC """
p = codecs.decode(data,'hex')
datalen = len(p)
#keytext = codecs.decode(key,'hex')
keytext = codecs.decode(calc_mid_key(key,seedkey),'hex')
k = pyDes.des(keytext[:8],pad=None, padmode=pyDes.PAD_NORMAL)
initdata = codecs.decode(random,'hex')
for i in range(datalen/8):
m = ""
for j in range(len(initdata)):
m = m + chr(ord(initdata[j]) ^ ord(p[i*8+j]))
initdata = m
x = k.encrypt(initdata)
initdata = x
k1 = pyDes.des(keytext[8:],pad=None, padmode=pyDes.PAD_NORMAL)
n = k1.decrypt(initdata)
initdata = k.encrypt(n)
return initdata
def des_cbc_checksum(str_key, bytes_key, bytes_IV):
padded_data = bytearray(((len(str_key)+7)/ 8)*8)
for index in range(0,len(str_key)):
padded_data[index] = str_key[index]
# CBC encryption of the key
cypher = des(str(bytes_key),CBC,str(bytes_IV), pad=None, padmode=PAD_NORMAL)
key = cypher.encrypt(str_key)
key = binary.to_bytes(key)
checksum = bytearray(8)
start_at = len(key) - 8
for index in range(0,8):
checksum[index] = key[start_at + index]
return checksum
def decrypt_pw(pwkey):
#validate password if pwkey isn't null
if pwkey <> '':
#file encrypted... need password
pw = pyDes.getDESpw() #ask for password
k = pyDes.des(pw) #create encryption object using key
pws = k.decrypt(pwkey,' ') #decrypt
if pws <> pw: #comp to saved password
print 'Invalid password. Exiting.'
sys.exit()
else:
#decrypt the encrypted fields
pwkey = pws
return pwkey
def create_LM_hashed_password_v1(passwd):
"setup LanManager password"
"create LanManager hashed password"
# if the passwd provided is already a hash, we just return the first half
if re.match(r'^[\w]{32}:[\w]{32}$', passwd):
return binascii.unhexlify(passwd.split(':')[0])
# fix the password length to 14 bytes
passwd = passwd.upper().encode('ascii')
lm_pw = passwd + b'\0' * (14 - len(passwd))
lm_pw = lm_pw[0:14]
# do hash
magic_str = b"KGS!@#$%" # page 57 in [MS-NLMP]
res = b''
dobj = pyDes.des(key56_to_key64(lm_pw[0:7]))
res = res + dobj.encrypt(magic_str)
dobj = pyDes.des(key56_to_key64(lm_pw[7:14]))
res = res + dobj.encrypt(magic_str)
return res
def encryptDES_ECB(data, key):
data = data.encode()
k = pyDes.des(key, pyDes.ECB, IV=None, pad=None, padmode=pyDes.PAD_PKCS5)
d = k.encrypt(data)
assert k.decrypt(d, padmode=pyDes.PAD_PKCS5) == data
return d
#!/usr/bin/python
# Last modified: J. Montalvo-Urquizo (20210210)
import pyDes
# Punto 1
data = b"This is a small test for the DES Algorithm Implementation to be used at MA2002B"
print("\n\nOriginal Data: %r" % data)
# Punto 2
kAlice = pyDes.des("MONTALVO",
pyDes.CBC,
"\0\0\0\0\0\0\0\0",
pad=None,
padmode=pyDes.PAD_PKCS5)
print("Alice's key is: %r" % kAlice.getKey())
# Punto 3
dataTransfered = kAlice.encrypt(data)
print("Alice's Encrypted Message: %r\n" % dataTransfered)
# Punto 4
kBob = pyDes.des("MONTALVO",
pyDes.CBC,
"\0\0\0\0\0\0\0\0",
pad=None,
padmode=pyDes.PAD_PKCS5)
print("Bob's key is: %r" % kBob.getKey())
# Punto 5
def DESEncrypt(s, Key=DESKEY):
iv = b"\x01\x02\x03\x04\x05\x06\x07\x08"
k = des(Key, CBC, iv, pad=None, padmode=PAD_PKCS5)
encrypt_str = k.encrypt(s)
return base64.b64encode(encrypt_str).decode()
import pyDes import rsa (pubkey, privkey) = rsa.newkeys(512) crypto = rsa.encrypt(b"DESCRYPT", pubkey) #расшифровываем rsakey = rsa.decrypt(crypto, privkey) k = pyDes.des(rsakey, pyDes.CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=pyDes.PAD_PKCS5)
def des_encrypt(s, KEY):
secret_key = KEY
iv = secret_key
k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
en = k.encrypt(s, padmode=PAD_PKCS5)
return binascii.b2a_hex(en)
def DES_encrypt(string): #数据库加密函数
k = pyDes.des(KEY, pyDes.CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=pyDes.PAD_PKCS5)
return base64.b64encode(k.encrypt(string))
# install the pyDes package with pip install
# e.g.
# pip install pyDes
import pyDes
import binascii
data = "Pleaseencrypt my data"
k = pyDes.des("12345678", pyDes.CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=pyDes.PAD_PKCS5)
d = k.encrypt(data)
print "Encrypted: %r" % binascii.hexlify(d)
print "Decrypted: %r" % k.decrypt(d)
assert k.decrypt(d) == data
import pyDes
data = "DES Algorithm Implementation"
k = pyDes.des("DESCRYPT",
pyDes.CBC,
"\0\0\0\0\0\0\0\0",
pad=None,
padmode=pyDes.PAD_PKCS5)
d = k.encrypt(data)
print "Encrypted: %r" % d
print "Decrypted: %r" % k.decrypt(d)
assert k.decrypt(d) == data
def pydes_test():
import pyDes
pyDes.des('ChangeIt') # Noncompliant
import pyDes
Rta = int(input("Bienvenido\n\n1. Cifrar\n2. Descifrar\n\nRta: "))
if Rta == 1:
archivo = input("Ingrese el nombre del archivo a cifrar: ")
with open(archivo, "rb") as img_file:
b64image = base64.b64encode(img_file.read())
key = input("Ingrese la clave (8 carácteres): ")
print("Archivo en base64: ", b64image)
#key = "DESCRYPT"
k = pyDes.des(key.encode(),
pyDes.CBC,
b"\0\1\0\1\0\1\0\0",
pad=None,
padmode=pyDes.PAD_PKCS5)
encriptada = k.encrypt(b64image)
print("Archivo cifrado: ", encriptada)
encriptada64 = base64.b64encode(encriptada)
print("Archivo cifrado en base64: ", encriptada64)
image = open("" + archivo, "wb")
image.write(base64.b64decode(encriptada64))
image.close()
print("Guardado como ", "" + archivo)
else:
archivo = input("Ingrese el nombre del archivo a descifrar: ")
key = input("Ingrese la clave (8 carácteres): ")
import pyDes
import os
import time
key = "my_key12"
# Create an instance of a DES encryption object
des = pyDes.des(key=key, mode=pyDes.ECB, pad=b'\0')
# ---------------text encryption-----------------
# Encrypt a text using DES
text = "this is some text\nI'm trying to show that text encryption\nis available in DES"
encrypted_text = des.encrypt(text)
# Decrypt the text using DES
decrypted_text = des.decrypt(encrypted_text).strip(b'\0')
print("\n\n---------------text encryption-----------------\n\n")
print(f"Original Text:\n\n{text}\n")
print(f"Encrypted Text:\n\n{encrypted_text}\n")
print(f"Decrypted Text:\n\n{decrypted_text.decode()}\n")
print("-----------------------------------------------\n\n")
# -----------------------------------------------
# ---------------image encryption----------------
print("---------------image encryption----------------\n\n")
# Create folder for the results
if not os.path.exists("results"):
os.mkdir("results")
def DESEncrypt(s, key='ST83=@XV'):
key = key
iv = b"\x01\x02\x03\x04\x05\x06\x07\x08"
k = des(key, CBC, iv, pad=None, padmode=PAD_PKCS5)
encrypt_str = k.encrypt(s)
return base64.b64encode(encrypt_str).decode()
def play(ch_id):
# 31.220.41.86
key = b"98221122"
r = s.post(list_url,
headers={"app-token": "9120163167c05aed85f30bf88495bd89"},
data={"username": "******"},
timeout=15)
ch = r.json()
for c in ch["msg"]["channels"]:
if c["pk_id"] == ch_id:
selected_channel = c
break
title = selected_channel.get("channel_name")
image = "http://taptube.net/tvtap1/{0}|User-Agent={1}".format(
quote(c.get("img"), "/"), quote(user_agent))
with s.cache_disabled():
r = s.post(token_url,
headers={"app-token": "9120163167c05aed85f30bf88495bd89"},
data={
"channel_id": ch_id,
"username": "******"
},
timeout=15)
links = []
for stream in r.json()["msg"]["channel"][0].keys():
if "stream" in stream or "chrome_cast" in stream:
d = des(key)
link = d.decrypt(b64decode(r.json()["msg"]["channel"][0][stream]),
padmode=PAD_PKCS5)
if link:
link = link.decode("utf-8")
if not link == "dummytext" and link not in links:
links.append(link)
if addon.getSetting("autoplay") == "true":
link = links[0]
else:
dialog = xbmcgui.Dialog()
ret = dialog.select("Choose Stream", links)
link = links[ret]
if link.startswith("http"):
media_url = "{0}|User-Agent={1}".format(link, quote(player_user_agent))
else:
media_url = link
media_url = media_url.replace("stream.tvtap.net", "31.220.41.86")
if "playlist.m3u8" in media_url:
if addon.getSetting("inputstream") == "true":
li = ListItem(title, path=media_url)
li.setArt({"thumb": image, "icon": image})
li.setMimeType("application/vnd.apple.mpegurl")
li.setProperty("inputstreamaddon", "inputstream.adaptive")
li.setProperty("inputstream.adaptive.manifest_type", "hls")
li.setProperty("inputstream.adaptive.stream_headers",
media_url.split("|")[-1])
elif addon.getSetting("livestreamer") == "true":
serverPath = os.path.join(
xbmc.translatePath(addon.getAddonInfo("path")),
"livestreamerXBMCLocalProxy.py")
runs = 0
while not runs > 10:
try:
requests.get("http://127.0.0.1:19001/version")
break
except Exception:
xbmc.executebuiltin("RunScript(" + serverPath + ")")
runs += 1
xbmc.sleep(600)
livestreamer_url = "http://127.0.0.1:19001/livestreamer/" + urlsafe_b64encode(
"hlsvariant://" + media_url)
li = ListItem(title, path=livestreamer_url)
li.setArt({"thumb": image, "icon": image})
li.setMimeType("video/x-mpegts")
else:
li = ListItem(title, path=media_url)
li.setArt({"thumb": image, "icon": image})
li.setMimeType("application/vnd.apple.mpegurl")
else:
li = ListItem(title, path=media_url)
li.setArt({"thumb": image, "icon": image})
try:
li.setContentLookup(False)
except AttributeError:
pass
xbmcplugin.setResolvedUrl(plugin.handle, True, li)
import pyDes
data = b'Please encrypt my data'
k = pyDes.des(b'DESCRYPT',
pyDes.CBC,
b'\0\0\0\0\0\0\0\0',
pad=None,
padmode=pyDes.PAD_PKCS5)
d = k.encrypt(data)
print(d)
e = k.decrypt(d).decode()
print(e)
# class DES(object):
#
# def __init__(self):
# pass
#
# def encrypto(self):
# pass
#
#
# if __name__ == '__main__':
# des = DES()
# des.encrypto()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pyDes
if __name__ == '__main__':
r = "\x95\x06\x0B\xD5\x4E\x0A\xA8\x2E\x2D\x78\x42\xE1\x36\xAA\x9B\xEA\x41\x4F\xA7\x1A\xF2\xA2\x82\x24"
key = "XOFOOBAM"
d = pyDes.des(key, pyDes.CBC, "\x00" * 8)
print d.decrypt(r)
def DESDecrypt(s, key='XCE927=='):
s = base64.b64decode(s)
iv = b"\x01\x02\x03\x04\x05\x06\x07\x08"
k = des(key, CBC, iv, pad=None, padmode=PAD_PKCS5)
return k.decrypt(s)
def DES_decrypt(string): #数据库解密函数
k = pyDes.des(KEY, pyDes.CBC, "\0\0\0\0\0\0\0\0", pad=None, padmode=pyDes.PAD_PKCS5)
return k.decrypt(base64.b64decode(string))
def decrypt(self, data):
des = pyDes.des(self.key, mode=pyDes.CBC, IV=self.iv, pad=None, padmode=pyDes.PAD_PKCS5)
if isinstance(data, six.string_types):
data = bytes(data, 'utf-8')
data = base64.decodebytes(data)
return des.decrypt(data).decode('utf-8')
def des_descrypt(s, KEY):
secret_key = KEY
iv = secret_key
k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
de = k.decrypt(binascii.a2b_hex(s), padmode=PAD_PKCS5)
return de
def des_encrypt(string, key):
secret_key = key
iv = secret_key
k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
en = k.encrypt(string, padmode=PAD_PKCS5)
return binascii.b2a_hex(en)
name = "Client"
print(" Connected to chat server")
# Send server the client's name and get the server's name.
client_socket.send(name.encode())
s_name = client_socket.recv(1024)
s_name = s_name.decode()
print("")
print(s_name, "has joined the chat room ")
# Open the text file containing the shared DES Key and store as a string variable.
with open("des_key.txt", "r") as f:
des_key = f.read()
# Make sure that the key has 8 characters and store it to variable 'k'
des = pyDes.des(des_key,
pyDes.CBC,
"\0\0\0\0\0\0\0\0",
pad=None,
padmode=pyDes.PAD_PKCS5)
# Open the text file containing the shared HMAC key and store it as a string variable
with open("hmac_key.txt", "r") as f:
hmac_key = f.read()
hmac_key_byte = hmac_key.encode("utf-8")
connection = True
# While connection is True.
while connection:
# Enter a message to be encrypted and sent to server
message = input(str("Please enter your message: "))
str_message = message
def des_decrypt(string, key):
secret_key = key
iv = secret_key
k = des(secret_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
de = k.decrypt(binascii.a2b_hex(string), padmode=PAD_PKCS5)
return de
def desencrypt(key, data):
k = pyDes.des(codecs.decode(key, 'hex'),
pad=None,
padmode=pyDes.PAD_NORMAL)
return k.encrypt(codecs.decode(data, 'hex'))
def des_decrypt(s):
encrypt_key = SA_ENCRYPT_KEY
iv = encrypt_key
k = des(encrypt_key, CBC, iv, pad=None, padmode=PAD_PKCS5)
de = k.decrypt(base64.b64decode(s), padmode=PAD_PKCS5)
return de
def decryptDES_ECB(data, key):
data = data.decode('base-64')
k = pyDes.des(key, pyDes.ECB, IV=None, pad=None, padmode=pyDes.PAD_PKCS5)
return k.decrypt(data, padmode=pyDes.PAD_PKCS5)
def des_decrypt(key, cipher_text):
IV = "33333333"
key_handler = pyDes.des(key, pyDes.CBC, IV, pad=None, padmode=pyDes.PAD_PKCS5)
plain_text = key_handler.decrypt(cipher_text)
# print("decrpted: {}".format(plain_text))
return plain_text
def twodes(plain, keyOne, keyTwo):
cipherOne = des(binascii.unhexlify(keyOne), CBC, "5edcc504", pad=None)
cipherTwo = des(binascii.unhexlify(keyTwo), CBC, "5edcc504", pad=None)
return cipherTwo.encrypt(cipherOne.encrypt(plain))
import pyDes
KEY = [232, 74, 214, 96, 196, 114, 26, 224]
CRYPT = pyDes.des(KEY)
def obfuscate_password(password):
padded_raw = (password + '\0' * 8)[:8]
return CRYPT.encrypt(padded_raw)
def decrypt_passwd(obfuscated):
decrypted_bytes = CRYPT.decrypt(obfuscated)
return decrypted_bytes.decode("ascii").rstrip('\0')
def vncpasswd(passwd_path, password=None):
if password is None:
obfuscated = read_password()
else:
obfuscated = obfuscate_password(password)
with open(passwd_path, "wb") as passwd:
passwd.write(obfuscated)
return obfuscated
def vncpasswd2plain(passwd_path):
with open(passwd_path, "rb") as passwd:
return decrypt_passwd(passwd.readline())
test_quotes()
elif menu_option == 8:
#About
print("\n\n" + "*" * 70 + "\n")
print(AboutTitle)
print("-" * 70)
print(
"Retrieve online statements and stock quotes to Microsoft Money"
)
print("\tSource :", AboutSource)
print("\tVersion:", AboutVersion)
print("\n\n" + "*" * 70 + "\n")
input('Press Enter to continue')
#end_while (main menu)
if len(pwkey):
#encrypt the data
rlib1.acctEncrypt(AcctArray, pwkey)
#encrypt the passkey
k = pyDes.des(pwkey)
pwkey = k.encrypt(pwkey, ' ')
#write the data
f = open(cfgFile, 'wb')
pickle.dump(pwkey, f) #encrypted key (pw)
pickle.dump(c_getquotes, f) #get stock quotes?
pickle.dump(AcctArray, f) #account info
f.close()
def startTCPEncryptedChat(host, port, DES_key, clientserver):
socket_ = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_address = (host, port)
# "Client" Side
if clientserver == "client":
socket_.connect(server_address)
while True:
print("Waiting to receive message..")
received = socket_.recv(CONNECTION_BUFFER_SIZE)
print("Ciphertext: " + repr(received))
key = pydes.des("DESCRYPT",
pydes.CBC,
DES_key,
pad=None,
padmode=pydes.PAD_PKCS5)
received = key.decrypt(received, padmode=pydes.PAD_PKCS5)
plaintext = received.decode("utf-8").split("|||||")[0]
hash_check = received.decode("utf-8").split("|||||")[1]
hash_computed = hashlib.sha224(plaintext.encode()).hexdigest()
print("Received hash: " + str(hash_check))
print("Computed hash: " + str(hash_computed))
if hash_check == hash_computed:
print("Match!")
else:
print("No match.")
print("Plaintext: " + str(plaintext))
message = input("Message to send: ").strip("\r\n")
print("Plaintext: " + message)
key = pydes.des("DESCRYPT",
pydes.CBC,
DES_key,
pad=None,
padmode=pydes.PAD_PKCS5)
hmac = hashlib.sha224(message.encode()).hexdigest()
print("Hash of plaintext is " + str(hmac))
message = message + "|||||" + str(hmac)
message = key.encrypt(message)
print("Ciphertext: " + repr(message))
socket_.send(message)
# "Server" side
else:
socket_.bind(server_address)
socket_.listen()
connection, client_address = socket_.accept()
while True:
message = input("Message to send: ").strip("\r\n")
print("Plaintext: " + message)
key = pydes.des("DESCRYPT",
pydes.CBC,
DES_key,
pad=None,
padmode=pydes.PAD_PKCS5)
hmac = hashlib.sha224(message.encode()).hexdigest()
print("Hash of plaintext is " + str(hmac))
message = message + "|||||" + str(hmac)
message = key.encrypt(message)
print("Ciphertext: " + repr(message))
connection.send(message)
print("Waiting to receive message..")
received = connection.recv(CONNECTION_BUFFER_SIZE)
print("Ciphertext: " + repr(received))
key = pydes.des("DESCRYPT",
pydes.CBC,
DES_key,
pad=None,
padmode=pydes.PAD_PKCS5)
received = key.decrypt(received, padmode=pydes.PAD_PKCS5)
plaintext = received.decode("utf-8").split("|||||")[0]
hash_check = received.decode("utf-8").split("|||||")[1]
hash_computed = hashlib.sha224(plaintext.encode()).hexdigest()
print("Received hash: " + str(hash_check))
print("Computed hash: " + str(hash_computed))
if hash_check == hash_computed:
print("Match!")
else:
print("No match.")
print("Plaintext: " + str(plaintext))
return
