Patent ID: 9143487
Filing Date: 2015-09-22
Classification: G06F,H04L

Abstract:
1. A method for securely updating a firmware of a mail processing device from a remote data server, comprising the following steps the remote data server encrypting and splitting binary files corresponding to the firmware of the mail processing device to be updated and distributing the encrypted and split binary files from the remote data server to a plurality of download servers; and transferring from the remote data server to the mail processing device a personalized files catalogue including a list of said encrypted files with associated file addresses in said file download server and file decryption keys; the mail processing device retrieving each of said encrypted binary files from the file download servers, decrypting the binary files with said file decryption key and installing the associated decrypted binary files thereon; and once each of said encrypted files are decrypted with said file decryption keys and installed on the mail processing device, the mail processing device reporting the outcome of the updating to the remote data server to control the firmware of the mail processing device.