sse_client.py 文件源码

def __init__(self):

        # TODO: placeholder for password. Will eventually take
        # as an arg of some sort
        self.password = b"password"

        # TODO: need to sort out use of salt. Previously, salt was
        # randomly generated in initKeys, but the resulting pass-
        # words k & kPrime were different on each execution, and 
        # decryption was impossible. Hardcoding salt makes dectyption
        # possible but may be a bad short cut
        self.iv = None
        self.salt = "$2b$12$ddTuco8zWXF2.kTqtOZa9O"

        # Two keys, generated/Initialized by KDF
        (self.k, self.kPrime) = self.initKeys()

        # Two K's: generated/initialized by PRF
        self.k1 = None
        self.k2 = None

        # client's cipher (AES w/ CBC)
        self.cipher = self.initCipher()

        # Stemming tool (cuts words to their roots/stems)
        self.stemmer = PorterStemmer()