ciphers/base32.py · python/Python

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Python

ciphers

base32.py

base32.py 1.17 KB

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)

一键复制编辑原始数据按行查看历史

QuartzAl 提交于 2021年10月22日 19:14 +08:00 . split into usable functions and added docstrings for base32 cipher (#5466)

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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)