/hack/blockfs/cfs/encrwfs.py

https://bitbucket.org/arigo/arigo/ · Python · 18 lines · 13 code · 5 blank · 0 comment · 0 complexity · 53510fd1c194ae79d4fe6d9ab8442605 MD5 · raw file 

    

  1. import md5
    2. 

  2. from Crypto.Cipher import Blowfish
    3. 

  3. from blockrwfs import BlockRWFS
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  4. 

  5. 

  6. class EncryptedBlockRWFS(BlockRWFS):
    7. 

  7.     SECRETKEYSIZE = md5.digest_size
    8. 

  8. 

  9.     def set_secret_key(self, secretkey):
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  10.         self.secretkey = secretkey
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  11. 

  12.     def encrypt(self, data, salt=''):
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  13.         return Blowfish.new(self.secretkey,
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  14.                             Blowfish.MODE_CBC, salt[:8]).encrypt(data)
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  15. 

  16.     def decrypt(self, data, salt=''):
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  17.         return Blowfish.new(self.secretkey,
    18. 

  18.                             Blowfish.MODE_CBC, salt[:8]).decrypt(data)
    19.