A software security device that creates a check sum using a confidential algorithm attached to the message. It is tested to ensure no changed have been made to any message components in transit.
软件保安装置，将保密算法附于信息，形成供核实的数目，经检测以确保信息内容在传输过程中不被更改。
A software security device that creates a check sum using a confidential algorithm attached to the message. It is tested to ensure no changed have been made to any message components in transit.
软件保安装置，将保密算法附于信息，形成供核实的数目，经检测以确保信息内容在传输过程中不被更改。
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