python加密解密之AES
def encrypt(self, params: str, key: str, iv: str) -> str: """加密""" generator = AES.new(key.encode("utf8"), AES.MODE_CBC, iv.encode("utf8")) bs = AES.block_size pad = lambda s: s + (self.bs - len(s) % self.bs) * chr(self.bs - len(s) % self.bs) data = bytes(pad(params), encoding="utf8") crypt = generator.encrypt(data) crypted_str = base64.b64encode(crypt) return crypted_str.decode()
def decrypt(self, params: str, key: str, iv: str) -> dict: """解密""" decode = base64.b64decode(params) cryptor = AES.new(key.encode("utf8"), AES.MODE_CBC, iv.encode("utf8")) plain_text = cryptor.decrypt(decode) unpad = lambda s: s[0:-ord(s[-1:])] return unpad(plain_text)
pip install pycryptodome