Title:
PROGRAM PROTECTION DEVICE, PROGRAM PROTECTION METHOD, AND PROGRAM PROTECTION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/074837
Kind Code:
A1
Abstract:
A program protection device (100) comprises an encoding unit (133) and an output unit (135). The encoding unit (133) encodes a program to be protected according to a specific encoding algorithm, and stores information used to decode the encoded program in a relocation table of the encoded program. The output unit (135) outputs the program encoded by the encoding unit (133) as a protected program.
Inventors:
KAWAKOYA YUHEI (JP)
IWAMURA MAKOTO (JP)
MIYOSHI JUN (JP)
IWAMURA MAKOTO (JP)
MIYOSHI JUN (JP)
Application Number:
PCT/JP2020/038353
Publication Date:
April 14, 2022
Filing Date:
October 09, 2020
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F21/60; G06F21/14
Foreign References:
| JP3033562B2 | 2000-04-17 | |||
| JP2009512087A | 2009-03-19 | |||
| US20070006137A1 | 2007-01-04 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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