blob: 7f2e1eb152086ea69bd667e1d0e6492ffa9832b1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
def alphabetEncrypt():
inp = input("Enter a message: ")
key = input("Enter key: ")
output = ""
for i in range(len(inp)):
output = output + chr((ord(inp[i])+ord(key[i])-194)%26 + 97)
print(output)
def alphabetDecrypt():
inp = input("Enter a ciphertext: ")
key = input("Enter the key: ")
output = ""
for i in range(len(inp)):
working = ord(inp[i])-ord(key[i])
if working < 0:
working += 26
else:
working %= 26
working += 97
output = output + chr(working)
print(output)
def xorEncryptDecrypt(inp):
key = input("Enter a key: ")
inpb = ""
for char in inp:
inpb = inpb + format(ord(char), "08b")
keyb = ""
for char in key:
keyb = keyb + format(ord(char), "08b")
xor = int(inpb, 2) ^ int(keyb, 2)
result = bin(xor)[2:].zfill(len(inpb))
chunks = []
for i in range(0, len(result), 8):
chunks.append(result[i:i+8])
print(chunks)
output = ""
for chunk in chunks:
output = output + (chr(int(chunk,2)))
return output
alphabetEncrypt()
alphabetDecrypt()
output = xorEncryptDecrypt("Hello")
print(output)
print("\n\n",xorEncryptDecrypt(output))
|
