Python/ciphers/brute_force_caesar_cipher.py
Caeden c6582b35bf
refactor: Move constants outside of variable scope ()
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
2022-10-16 15:03:29 +05:30

59 lines
1.9 KiB
Python

import string
def decrypt(message: str) -> None:
"""
>>> decrypt('TMDETUX PMDVU')
Decryption using Key #0: TMDETUX PMDVU
Decryption using Key #1: SLCDSTW OLCUT
Decryption using Key #2: RKBCRSV NKBTS
Decryption using Key #3: QJABQRU MJASR
Decryption using Key #4: PIZAPQT LIZRQ
Decryption using Key #5: OHYZOPS KHYQP
Decryption using Key #6: NGXYNOR JGXPO
Decryption using Key #7: MFWXMNQ IFWON
Decryption using Key #8: LEVWLMP HEVNM
Decryption using Key #9: KDUVKLO GDUML
Decryption using Key #10: JCTUJKN FCTLK
Decryption using Key #11: IBSTIJM EBSKJ
Decryption using Key #12: HARSHIL DARJI
Decryption using Key #13: GZQRGHK CZQIH
Decryption using Key #14: FYPQFGJ BYPHG
Decryption using Key #15: EXOPEFI AXOGF
Decryption using Key #16: DWNODEH ZWNFE
Decryption using Key #17: CVMNCDG YVMED
Decryption using Key #18: BULMBCF XULDC
Decryption using Key #19: ATKLABE WTKCB
Decryption using Key #20: ZSJKZAD VSJBA
Decryption using Key #21: YRIJYZC URIAZ
Decryption using Key #22: XQHIXYB TQHZY
Decryption using Key #23: WPGHWXA SPGYX
Decryption using Key #24: VOFGVWZ ROFXW
Decryption using Key #25: UNEFUVY QNEWV
"""
for key in range(len(string.ascii_uppercase)):
translated = ""
for symbol in message:
if symbol in string.ascii_uppercase:
num = string.ascii_uppercase.find(symbol)
num = num - key
if num < 0:
num = num + len(string.ascii_uppercase)
translated = translated + string.ascii_uppercase[num]
else:
translated = translated + symbol
print(f"Decryption using Key #{key}: {translated}")
def main() -> None:
message = input("Encrypted message: ")
message = message.upper()
decrypt(message)
if __name__ == "__main__":
import doctest
doctest.testmod()
main()