Python/ciphers/base16.py
Rohan R Bharadwaj 6fcefc0453
Add decode function to base16.py (#5575)
* Add decode function

* Update base16.py

* Update base16.py

* Update base16.py

* Made the line shorter

* Made another line shorter
2021-10-26 15:23:38 +02:00

38 lines
919 B
Python

import base64
def encode_to_b16(inp: str) -> bytes:
"""
Encodes a given utf-8 string into base-16.
>>> encode_to_b16('Hello World!')
b'48656C6C6F20576F726C6421'
>>> encode_to_b16('HELLO WORLD!')
b'48454C4C4F20574F524C4421'
>>> encode_to_b16('')
b''
"""
# encode the input into a bytes-like object and then encode b16encode that
return base64.b16encode(inp.encode("utf-8"))
def decode_from_b16(b16encoded: bytes) -> str:
"""
Decodes from base-16 to a utf-8 string.
>>> decode_from_b16(b'48656C6C6F20576F726C6421')
'Hello World!'
>>> decode_from_b16(b'48454C4C4F20574F524C4421')
'HELLO WORLD!'
>>> decode_from_b16(b'')
''
"""
# b16decode the input into bytes and decode that into a human readable string
return base64.b16decode(b16encoded).decode("utf-8")
if __name__ == "__main__":
import doctest
doctest.testmod()