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| 1 | import getpass | |
| 2 | import time | |
| 3 | import sys | |
| 4 | class bin2ascii: | |
| 5 | def cal(self, asd): | |
| 6 | asd = asd.replace('0b', '')
| |
| 7 | num = asd[::-1] | |
| 8 | MultOfTwo= [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072] | |
| 9 | value= '' | |
| 10 | for i in range(len(num)): | |
| 11 | additives = int(num[i])* int(MultOfTwo[i]) | |
| 12 | value += str(additives) + '+' | |
| 13 | else: | |
| 14 | value += '0' | |
| 15 | return eval(value) | |
| 16 | b2a = bin2ascii() | |
| 17 | class crypter: | |
| 18 | def __passys__(self): | |
| 19 | pas = getpass.getpass('')
| |
| 20 | if pas != '1': | |
| 21 | print'Access Denied!' | |
| 22 | time.sleep(2) | |
| 23 | sys.exit() | |
| 24 | else: | |
| 25 | pass | |
| 26 | def __init__(self): | |
| 27 | print'Please enter the passcode:' | |
| 28 | self.__passys__() | |
| 29 | while True: | |
| 30 | print'What do you want to do: E = Encrypt / D = Decrypt / Q = Quit' | |
| 31 | choice = raw_input() | |
| 32 | if choice.startswith('e'):
| |
| 33 | self.encrypt() | |
| 34 | elif choice.startswith('d'):
| |
| 35 | self.decrypt() | |
| 36 | elif choice.startswith('q'):
| |
| 37 | sys.exit() | |
| 38 | else: | |
| 39 | print'E = Encrypt / D = Decrypt / Q = Quit' | |
| 40 | def encrypt(self): | |
| 41 | OEtext = '' | |
| 42 | key = raw_input('Please input the key for the Encryprion: ')
| |
| 43 | print'please input the text you wish to encrypt:' | |
| 44 | PText = raw_input() | |
| 45 | for letter in PText: | |
| 46 | FakeAsciiVal = ord(letter) + int(key) | |
| 47 | while FakeAsciiVal > 126: | |
| 48 | FakeAsciiVal -= 96 | |
| 49 | BiVal = bin(FakeAsciiVal) | |
| 50 | BiVal = BiVal.replace('0b', '')
| |
| 51 | OELetter = BiVal | |
| 52 | OELetter = OELetter.replace('1', '\'')
| |
| 53 | OELetter = OELetter.replace('0', ',')
| |
| 54 | OELetter += '`' | |
| 55 | OEtext += OELetter | |
| 56 | print'Your crypter text is :', OEtext | |
| 57 | def decrypt(self): | |
| 58 | key = raw_input('Please input the key for the Decryption: ')
| |
| 59 | print'please input the text you wish to decrypt:' | |
| 60 | EText = raw_input() | |
| 61 | EText = EText.replace('\'', '1')
| |
| 62 | EText = EText.replace(',', '0')
| |
| 63 | EText = EText.replace(' ', '')
| |
| 64 | ELetter = '' | |
| 65 | DText = '' | |
| 66 | for EByte in EText: | |
| 67 | if EByte != '`': | |
| 68 | ELetter += EByte | |
| 69 | else: | |
| 70 | EWord = ELetter[:] | |
| 71 | b2a = bin2ascii() | |
| 72 | code = int(b2a.cal(EWord)) - int(key) | |
| 73 | while code < 32: | |
| 74 | code += 96 | |
| 75 | DText += chr(code) | |
| 76 | EWord = '' | |
| 77 | ELetter = '' | |
| 78 | print DText | |
| 79 | ||
| 80 | ||
| 81 | ||
| 82 | ||
| 83 | ||
| 84 | if __name__ == '__main__': | |
| 85 | crypter() | |
| 86 | else: | |
| 87 | pass |
