Application security authentication method, terminal and storage medium

A computer equipment, comprising a memory and a processor, and the memory is configured to store a computer readable instruction, wherein when the computer readable instruction is executed by the processor, the processor is configured to perform the following steps:

• acquiring an application file to be downloaded and extracting signature information in the application file;
• acquiring public key information contained in a multilevel key hierarchy and acquiring public key information of the currently highest priority according to a priority order of the public key information;
• authenticating the signature information with the acquired public key information of the currently highest priority;
• and
• allowing the application file to be downloaded if an authentication of the signature information is passed.

One or a plurality of non-volatile computer readable storage medium storing a computer executable instruction, wherein when the computer executable instruction is executed by one or a plurality of processors, the one or a plurality of processors are configured to perform following steps of:

• acquiring an application file to be downloaded and extracting signature information in the application file;
• acquiring public key information contained in a multilevel key hierarchy and acquiring public key information of the currently highest priority according to a priority order of the public key information;
• authenticating the signature information with the acquired public key information of the currently highest priority;
• and
• allowing the application file to be downloaded if an authentication of the signature information is passed.