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authpass.py
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authpass.py
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import os
from Crypto.Cipher import AES
key1 = 'ἀλήθεια,καὶἡζωή' # 32 bytes in utf-8
key2 = 'Ἰησοῦς88' # 16 bytes in utf-8
key1 = key1.encode('utf-8')
key2 = key2.encode('utf-8')
def clearScreen():
if os.name == 'posix':
os.system('clear') # clear the terminal window
else:
os.system('cls')
# The function os.name() returns the OS-dependent module (e.g., posix, doc, mac,...)
# posix: module provides access to operating system functionality that is standardized
# by the C Standard and the POSIX standard (a thinly disguised Unix interface).
def createPass():
print('One time setup user and password\n')
email = str(input('Enter your e-mail address: '))
print(email, '\n')
password = str(input('Enter your Coursera password: '))
print('*' * len(password), '\n')
strInput = email + ':' + password
encryptedText = encrypt(strInput, key1, key2)
fileCreate('coursera.pass', encryptedText)
return email, password
def decrypt(strInput, key1, key2):
""" decrypt an encrypted string with key1 and key2
"""
obj2 = AES.new(key1, AES.MODE_CBC, key2)
decryptedText = obj2.decrypt(strInput)
return decryptedText
def encrypt(strInput, key1, key2):
""" encrypt a string input with key1 and key2
"""
key1 = key1.decode('utf-8')
key1 = key1.encode('utf-8')
obj = AES.new(key1, AES.MODE_CBC, key2)
strInput = pad(strInput)
encryptedText = obj.encrypt(strInput)
return encryptedText
def fileCreate(strNamaFile, strData):
"""
Create a text file
"""
f = open(strNamaFile, 'wb')
f.write(strData)
f.close()
def getUserPass(strPasswordFile):
f = open(strPasswordFile, 'rb')
strText = f.read()
f.close()
decryptedText = decrypt(strText, key1, key2).decode()
decryptedText = decryptedText.strip()
email = decryptedText.split(":")[0]
password = decryptedText.split(":")[1]
return email, password
def pad(s):
""" pad the strings to b`e multiples of 16 for AES use
"""
if len(s) % 16 == 0:
return s
else:
return s + ((16 - len(s) % 16) * ' ')
def readTextFile(strNamaFile):
""" read from a text file
"""
fText = open(strNamaFile, 'rb')
strText = ''
for baris in fText.readlines():
strText += baris
fText.close()
return strText