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small improvements!

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Harshil 2018-05-28 23:25:48 +02:00 committed by GitHub
parent f1fe458356
commit 13617225ca
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 14 deletions
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27
ciphers/caesar_cipher.py
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@ -1,3 +1,4 @@
import sys
def encrypt(strng, key):
encrypted = ''
for x in strng:
@ -20,50 +21,48 @@ def decrypt(strng, key):
def brute_force(strng):
key = 1
decrypted = ''
while key != 96:
while key <= 94:
for x in strng:
indx = (ord(x) - key) % 256
if indx < 32:
indx = indx + 95
decrypted = decrypted + chr(indx)
print(decrypted)
print("Key: {}\t| Message: {}".format(key, decrypted))
decrypted = ''
key += 1
return None
def main():
print("**Menu**")
print('-' * 10 + "\n**Menu**\n" + '-' * 10)
print("1.Encrpyt")
print("2.Decrypt")
print("3.BruteForce")
print("4.Quit")
while True:
choice = input("what would you like to do")
choice = input("What would you like to do?: ")
if choice not in ['1', '2', '3', '4']:
print ("Invalid choice")
elif choice == '1':
strng = input("Please enter the string to be ecrypted:")
strng = input("Please enter the string to be ecrypted: ")
while True:
key = int(input("Please enter off-set between 1-94"))
if key > 0 and key <= 94:
key = int(input("Please enter off-set between 1-94: "))
if key in range(1, 95):
print (encrypt(strng, key))
main()
elif choice == '2':
strng = input("Please enter the string to be decrypted:")
strng = input("Please enter the string to be decrypted: ")
while True:
key = int(input("Please enter off-set between 1-94"))
key = int(input("Please enter off-set between 1-94: "))
if key > 0 and key <= 94:
print(decrypt(strng, key))
main()
elif choice == '3':
strng = input("Please enter the string to be decrypted:")
strng = input("Please enter the string to be decrypted: ")
brute_force(strng)
main()
elif choice == '4':
print ("GoodBye.")
break
print ("Goodbye.")
sys.exit()
main()