def _gk_decrypt(self, key, cipher_link):
try:
key += (24 - len(key)) * '\0'
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationECB(key))
plain_text = decrypter.feed(cipher_link.decode('hex'))
plain_text += decrypter.feed()
plain_text = plain_text.split('\0', 1)[0]
except Exception as e:
log_utils.log('Exception (%s) during %s gk decrypt: cipher_link: %s' % (e, self.get_name(), cipher_link), log_utils.LOGWARNING)
plain_text = ''
return plain_text
def __encrypt(self, key, text):
encrypter = pyaes.Encrypter(pyaes.AESModeOfOperationECB(key))
ct = encrypter.feed(text)
ct += encrypter.feed()
return ct
def __decrypt(self, key, cipher_text):
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationECB(key))
plain_text = decrypter.feed(cipher_text)
plain_text += decrypter.feed()
return plain_text