Title:
SYSTEM, MODIFICATION DEVICE, METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/049217
Kind Code:
A1
Abstract:
Provided is a system that contributes to robust prevention of data leaks. This system includes a modification device and an execution device. The modification device modifies a program including a conditional branch such that, after first processing corresponding to processing of the conditional branch is executed, it is determined on the basis of a conditional expression in the conditional branch whether or not the result of the first processing is selected to be reflected in a variable used in the program as the processing result of the execution processing. The execution device executes the modified program in an execution environment that is protected by hardware.
Inventors:
TERANISHI ISAMU (JP)
Application Number:
PCT/JP2017/032001
Publication Date:
March 14, 2019
Filing Date:
September 05, 2017
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G06F21/55; G06F21/14
Foreign References:
| JP2016126211A | 2016-07-11 |
Other References:
SAKAI, YASUYUKI: "Pitfalls of equipment design: Threats to realization, "Side-Channel Analysis" (non-official translation)", NIKKEI ELECTRONICS, vol. 906, 15 August 2005 (2005-08-15), pages 131 - 139
BART COPPENS: "Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors", 30TH IEEE SYMPOSIUM SECURITY AND PRIVACY, 17 May 2009 (2009-05-17), pages 45 - 60, XP031515096
BART COPPENS: "Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors", 30TH IEEE SYMPOSIUM SECURITY AND PRIVACY, 17 May 2009 (2009-05-17), pages 45 - 60, XP031515096
Attorney, Agent or Firm:
KATO, Asamichi (JP)
Download PDF: