import rsaimport base64# ######### 1. 生成公钥私钥 #########pub_key_obj, priv_key_obj = rsa.newkeys(256)pub_key_str = pub_key_obj.save_pkcs1()pub_key_code = base64.standard_b64encode(pub_key_str)priv_key_str = priv_key_obj.save_pkcs1()priv_key_code = base64.standard_b64encode(priv_key_str)print('公:', pub_key_code)print('私:', priv_key_code)# ######### 2. 加密 #########def encrypt(value):    key_str = base64.standard_b64decode(pub_key_code)    pk = rsa.PublicKey.load_pkcs1(key_str)    val = rsa.encrypt(value.encode('utf-8'), pk)    return val# ######### 3. 解密 #########def decrypt(value):    key_str = base64.standard_b64decode(priv_key_code)    pk = rsa.PrivateKey.load_pkcs1(key_str)    val = rsa.decrypt(value, pk)    return val# ######### 基本使用 #########if __name__ == '__main__':    v = 'bender'    v1 = encrypt(v)    # 将V加密    print('v1:',v1)    v2 = decrypt(v1)   # 将V解密    print('v2:',v2)