34 lines
995 B
Python
34 lines
995 B
Python
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def encrypt_text(cleartext: str = 'Bitcoin', incrementation: int = 13):
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encrypted_text = ''
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for char in cleartext:
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encrypted_text += increment_char(char, incrementation)
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return encrypted_text
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def increment_char(char, incrementation: int = 1):
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# converting character to byte
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char_in_bytes = bytes(char, 'utf-8')[0]
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if char_in_bytes + incrementation >= 91 and char_in_bytes < 91 \
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or char_in_bytes + incrementation >= 123: # z -> 122 | 90 -> Z so go backwards
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new_char_in_bytes = bytes([char_in_bytes - (26 - incrementation)])
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else:
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new_char_in_bytes = bytes([char_in_bytes + incrementation])
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return str(new_char_in_bytes)[2]
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def decrypt_text(encrypted_text: str = 'Ovgpbva', incrementation: int = 13):
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cleartext = ''
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for char in encrypted_text:
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cleartext += increment_char(char, 26 - incrementation)
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return cleartext
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if __name__ == '__main__':
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print(encrypt_text())
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print(decrypt_text())
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