Python/ciphers/base32.py
QuartzAl d82cf5292f
split into usable functions and added docstrings for base32 cipher ()
* split into usable functions and added docstrings

* Simplified code

Co-authored-by: Christian Clauss <cclauss@me.com>

* Simplified code

Co-authored-by: Christian Clauss <cclauss@me.com>

Co-authored-by: Christian Clauss <cclauss@me.com>
2021-10-22 13:14:35 +02:00

43 lines
1.2 KiB
Python

import base64
def base32_encode(string: str) -> bytes:
"""
Encodes a given string to base32, returning a bytes-like object
>>> base32_encode("Hello World!")
b'JBSWY3DPEBLW64TMMQQQ===='
>>> base32_encode("123456")
b'GEZDGNBVGY======'
>>> base32_encode("some long complex string")
b'ONXW2ZJANRXW4ZZAMNXW24DMMV4CA43UOJUW4ZY='
"""
# encoded the input (we need a bytes like object)
# then, b32encoded the bytes-like object
return base64.b32encode(string.encode("utf-8"))
def base32_decode(encoded_bytes: bytes) -> str:
"""
Decodes a given bytes-like object to a string, returning a string
>>> base32_decode(b'JBSWY3DPEBLW64TMMQQQ====')
'Hello World!'
>>> base32_decode(b'GEZDGNBVGY======')
'123456'
>>> base32_decode(b'ONXW2ZJANRXW4ZZAMNXW24DMMV4CA43UOJUW4ZY=')
'some long complex string'
"""
# decode the bytes from base32
# then, decode the bytes-like object to return as a string
return base64.b32decode(encoded_bytes).decode("utf-8")
if __name__ == "__main__":
test = "Hello World!"
encoded = base32_encode(test)
print(encoded)
decoded = base32_decode(encoded)
print(decoded)