from Crypto.Cipher import AES from util import hash, random def getEncodeParams(plaintext, password): encodeParams = {} hashedPassword = hash.hash(password, 'sha256') encodeParams['password'] = hashedPassword randomIV = random.getRandomIV() encodeParams['iv'] = randomIV encodeParams['text'] = plaintext return getEncodeParams def getCipherText(encodeParams): encodeObject = AES.new(encodeParams['password'], AES.MODE_CBC, encodeParams['iv']) encodeParams['cipher'] = encodeObject.encrypt(encodeParams['text']) return encodeParams def encodeText(plaintext, password): encodeParams = getEncodeParams(plaintext, password) cipherText = getCipherText(encodeParams) return cipherText