Title:
SOFTWARE ENCRYPTION TERMINAL, PAYMENT TERMINAL, AND SOFTWARE PACKAGE ENCRYPTION AND DECRYPTION METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/136736
Kind Code:
A1
Abstract:
Provided are a software encryption terminal, a payment terminal, and a software package encryption and decryption method and system. The method comprises: acquiring a symmetric key; encrypting a pre-set software package according to the symmetric key so as to obtain an encrypted software package; uploading the encrypted software package to a server; and the fourth processor implementing the following steps when executing the program: downloading the encrypted software package from the server, and according to the symmetric key imported to a payment terminal, the payment terminal decrypting the encrypted software package so as to obtain a software package. In the present invention, by means of the method, a software package is not vulnerable during the transmission process, a key used for encrypting a software package complies with a key security management regulation, and there is no risk of key leakage. The present invention improves the security of transmitting a software package to a payment terminal, and avoids the problem of huge loss due to a user installing a software package that has been maliciously attacked.
Inventors:
WANG WENCHAO (CN)
HONG YIXUAN (CN)
HONG YIXUAN (CN)
Application Number:
PCT/CN2018/072556
Publication Date:
July 18, 2019
Filing Date:
January 15, 2018
Export Citation:
Assignee:
FUJIAN LANDI COMMERCIAL EQUIP (CN)
International Classes:
H04L29/06; G06F21/62; H04L9/06
Foreign References:
| CN105656859A | 2016-06-08 | |||
| CN102546607A | 2012-07-04 | |||
| US20150121070A1 | 2015-04-30 | |||
| CN107026830A | 2017-08-08 |
Attorney, Agent or Firm:
BORSAM INTELLECTUAL PROPERTY(FUZHOU) (CN)
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