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25 lines
861 B
Python
25 lines
861 B
Python
with open("3/withkey/caesarkey.txt", "r") as caesar_key_file, open(
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"3/withkey/ciphertext.txt", "r"
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) as caesar_cipher_file:
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caesar_key_content = caesar_key_file.read()
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caesar_cipher_content = caesar_cipher_file.read()
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key_shift = int(caesar_key_content.split()[-1])
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print("key shift", key_shift)
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caesar_plaintext_content_left_shift = ""
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caesar_plaintext_content_right_shift = ""
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for char in caesar_cipher_content:
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caesar_plaintext_content_left_shift += chr(
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(ord(char) - ord("A") - key_shift) % 26 + ord("A")
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)
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caesar_plaintext_content_right_shift += chr(
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(ord(char) - ord("A") + key_shift) % 26 + ord("A")
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)
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print("left shift")
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print(caesar_plaintext_content_left_shift)
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print()
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print("right shift")
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print(caesar_plaintext_content_right_shift)
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