Title: Method for improving SOC chip security dedicated for financial tax control
Application Number: 200610069641 Application Date: 2006.08.01
Publication Number: 1928843 Publication Date: 2007.03.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G06F12/14;G06F21/00;G07G1/00
Applicant(s) Name: Shandong Langchao Electronic Equipment Co., Ltd. Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
    The provided method to improve SOC chip security comprises: setting data protective unit with encipher/decipher unit to isolate memory in SOC chip and the SOC chip bus; filtering unauthorized data read/write by the protective unit as firewall, and enciphering/deciphering data in chip by specific algorithm. This invention has well effect.
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