Raihan dssstr
dssstr
/ vigenere.py
Last active
August 18, 2024 00:10
Simple Vigenere Cipher written in Python 3.5.
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| def encrypt(plaintext, key): | |
| key_length = len(key) | |
| key_as_int = [ord(i) for i in key] | |
| plaintext_int = [ord(i) for i in plaintext] | |
| ciphertext = '' | |
| for i in range(len(plaintext_int)): | |
| value = (plaintext_int[i] + key_as_int[i % key_length]) % 26 | |
| ciphertext += chr(value + 65) | |
| return ciphertext |