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  1. import base64
  2.  
  3. AKEY = 'rpa-creds'  # AES key must be either 16, 24, or 32 bytes long
  4.  
  5.  
  6. def encode(key, clear):
  7.     """
  8.     Encode username and passwords using the key available.
  9.     :param key:
  10.     :param clear:
  11.     :return:
  12.     """
  13.     enc = []
  14.     for i in range(len(clear)):
  15.         key_c = key[i % len(key)]
  16.         enc_c = (ord(clear[i]) + ord(key_c)) % 256
  17.         enc.append(enc_c)
  18.     return base64.urlsafe_b64encode(bytes(enc))
  19.  
  20.  
  21. def decode(key, enc):
  22.     """
  23.     Decode encrypted username and password values.
  24.     :param key:
  25.     :param enc:
  26.     :return:
  27.     """
  28.     dec = []
  29.     enc = base64.urlsafe_b64decode(enc)
  30.     for i in range(len(enc)):
  31.         key_c = key[i % len(key)]
  32.         dec_c = chr((256 + enc[i] - ord(key_c)) % 256)
  33.         dec.append(dec_c)
  34.     return "".join(dec)
  35.  
  36.  
  37. val1 = encode("rpa-client-keysssssss", "TYMravb_zfS8nHsw")
  38. print(val1)
  39. val2 = decode("rpa-creds", "xsmun8Tox8Ps1rRl0brY2w==")
  40. print(val2)
  41.  
Success #stdin #stdout 0.04s 9588KB
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Standard input is empty
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b'xsmun8Tiy8To2oCj08Hm6g=='
TYMravb_ydD¤Wfv
https://ideone.com/zK4voy
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
public

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