def _gkdecrypt(self, key, str):
try:
key += (24 - len(key)) * '\0'
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationECB(key))
str = decrypter.feed(str.decode('hex')) + decrypter.feed()
str = str.split('\0', 1)[0]
return str
except:
return
def evp_decode(cipher_text, passphrase, salt=None):
cipher_text = base64.b64decode(cipher_text)
if not salt:
salt = cipher_text[8:16]
cipher_text = cipher_text[16:]
data = evpKDF(passphrase, salt)
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationCBC(data['key'], data['iv']))
plain_text = decrypter.feed(cipher_text)
plain_text += decrypter.feed()
return plain_text
def _decrypt(self, url):
import base64
decrypter = pyaes.Decrypter(
pyaes.AESModeOfOperationCBC(
base64.urlsafe_b64decode(
'cXdlcnR5dWlvcGFzZGZnaGprbHp4YzEyMzQ1Njc4OTA='),
'\0' * 16))
url = base64.decodestring(url)
url = decrypter.feed(url) + decrypter.feed()
return url
def __decrypt(self, ciphertext):
try:
ciphertext = base64.b64decode(ciphertext)
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationECB(self.key))
plaintext = decrypter.feed(ciphertext)
plaintext += decrypter.feed()
return plaintext
except Exception:
return
def decrypt(self, js):
js = json.loads(js)
ciphertext = js["y"]
iv = js["fast"]
salt = js["bald"]
key = I11I1IIII1II11111II1I1I1II11I1I.I11I1IIII1II11111II1I1I1II11III(
salt)
iv = iv.decode('hex')
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationCBC(key, iv))
decrypted = decrypter.feed(
base64.b64decode(ciphertext)) + decrypter.feed()
return decrypted
def __decrypt(self, ciphertext):
try:
ciphertext = base64.b64decode(ciphertext)
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationECB(self.key))
plaintext = decrypter.feed(ciphertext)
plaintext += decrypter.feed()
return plaintext
except:
failure = traceback.format_exc()
log_utils.log('ShowBox - Exception: \n' + str(failure))
return
def __decrypt(self, encrypted):
try:
encrypted = base64.b64decode(encrypted)
salt = encrypted[8:16]
key_iv = self.__bytes_to_key(self.password, salt)
key = key_iv[:32]
iv = key_iv[32:]
decrypter = pyaes.Decrypter(pyaes.AESModeOfOperationCBC(key, iv = iv))
plaintext = decrypter.feed(encrypted[16:])
plaintext += decrypter.feed()
return plaintext
except Exception:
return
