The main purpose of the digital certificate is to ensure that the application belongs to the entity to which the certificate was issued. The Beijing Jiangmin New Sci.&Tec. Co. Ltd. digital certificate does not guarantee that a signed application is safe to run, but rather informs the user that the software was digitally signed by Beijing Jiangmin New Sci.&Tec. Co. Ltd. and verified by a trusted Certificate Authority (CA).