Method and device for upgrading module firmware of pos machine
AssigneePax Computer Technology (Shenzhen) Co., Ltd.
InventorsChuan LIU, Xin LI, Yanfei WANG, Ruzhen HUANG
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Abstract
The present disclosure relates to the technical field of payment terminals and provides a method and a device for upgrading a module firmware of a POS machine in order to improve safety of the POS machine when upgrading the module firmware. The method comprises: downloading a module firmware upgrade package; verifying a signature of the module firmware upgrade package; and decompressing the module firmware upgrade package to perform subsequent upgrading of a module firmware if a verification of the signature of the module firmware upgrade package is successful, or otherwise, returning information that the verification fails.
Claims18
A method for upgrading a module firmware of a point of sale (POS) machine, comprising:
- downloading a module firmware upgrade package;
- verifying a signature of the module firmware upgrade package;
- and
- decompressing the module firmware upgrade package to perform subsequent upgrading of a module firmware if a verification of the signature of the module firmware upgrade package is successful;
- or otherwise, returning information showing that the verification fails.
A device for upgrading a module firmware of a POS machine, comprising:
- a download module configured to download a module firmware upgrade package;
- a first verification module configured to verify a signature of the module firmware upgrade package;
- and
- a decompression module configured to decompress the module firmware upgrade package to perform subsequent upgrading of a module firmware if a verification of the signature of the module firmware upgrade package is successful;
- or otherwise, to return information showing that the verification fails.
Dependencies are inferred from the claim text.