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27 lines
812 B
Python
27 lines
812 B
Python
import binascii
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from Cryptodome.Cipher import Blowfish, AES
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from Cryptodome.Hash import MD5
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def _md5(data):
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h = MD5.new()
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h.update(data.encode() if isinstance(data, str) else data)
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return h.hexdigest()
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def _ecbCrypt(key, data):
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return binascii.hexlify(AES.new(key.encode(), AES.MODE_ECB).encrypt(data))
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def _ecbDecrypt(key, data):
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return AES.new(key.encode(), AES.MODE_ECB).decrypt(binascii.unhexlify(data.encode("utf-8")))
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def generateBlowfishKey(trackId):
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SECRET = 'g4el58wc0zvf9na1'
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idMd5 = _md5(trackId)
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bfKey = ""
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for i in range(16):
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bfKey += chr(ord(idMd5[i]) ^ ord(idMd5[i + 16]) ^ ord(SECRET[i]))
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return str.encode(bfKey)
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def decryptChunk(key, data):
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return Blowfish.new(key, Blowfish.MODE_CBC, b"\x00\x01\x02\x03\x04\x05\x06\x07").decrypt(data)
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