Method for safely transmitting sensitive data in cloud service environment

Provided is a method for safely transmitting sensitive data in a cloud service environment. The method comprises the following steps that a timestamp authentication server Stca is established, sequence number Sn is generated by an SHA128 algorithm, Sns is generated after encryption, data D is encrypted, an encrypted data package is sent to a service node or a compute server PCb, an own private keyKey PCb Private decrypts the encrypted data package, the Sn is separated after decryption, a server private key Kste is sent to the server node or the compute server PCb, and the content of the dataD is separated after decryption. 种云服务环境中对敏感数据进行安全传输的方法，包括如下步骤：建立台时间戳认证服务器Stca、通过SHA128算法产生序号Sn、加密后生成Sns、对数据D进行加密、加密后的数据包发送至服务节点或计算服务器PCb、利用自身的私钥Key PCb Private对加密后的数据包进行解密、解密后分离出Sn、将服务器私钥Kste发送至服务节点或计算服务器PCb、解密后分离出数据D的内容。