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- def decrypt(key, filename):
- chunksize = 64*1024
- outputFile = filename[11:]
-
- with open(filename, 'rb') as infile:
- filesize = long(infile.read(16))
- IV = infile.read(16)
- decryptor = AES.new(key, AES.MODE_CBC, IV)
- with open(outputFile, 'wb') as outfile:
- while True:
- chunk = infile.read(chunksize)
- if len(chunk) == 0:
- break
- outfile.write(decryptor.decrypt(chunk))
- outfile.truncate(filesize)
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