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Add decode function to base16.py #5575

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Merged
merged 6 commits into from
Oct 26, 2021
Merged

Add decode function to base16.py #5575

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7e6c9c4
Add decode function
Rohanrbharadwaj Oct 24, 2021
5ecf28c
Update base16.py
Rohanrbharadwaj Oct 24, 2021
1c648b5
Update base16.py
Rohanrbharadwaj Oct 24, 2021
2447bd6
Update base16.py
Rohanrbharadwaj Oct 26, 2021
84b4956
Made the line shorter
Rohanrbharadwaj Oct 26, 2021
e232bb3
Made another line shorter
Rohanrbharadwaj Oct 26, 2021
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16 changes: 16 additions & 0 deletions ciphers/base16.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
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!')
Expand All @@ -16,6 +17,21 @@ def encode_to_b16(inp: str) -> bytes:
return b16encoded


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'')
''
"""
encoded = base64.b16decode(b16encoded) # b16decoded the input
return encoded.decode("utf-8") # decoded the bytes like object to a string


if __name__ == "__main__":
import doctest

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