Title:
DEVICE AUTHENTICITY DETERMINATION SYSTEM AND DEVICE AUTHENTICITY DETERMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/184899
Kind Code:
A1
Abstract:
A system using printed information (103) that is visible from the exterior of a device (101) or part having a semiconductor chip (102) with a PUF and an encryption function and includes secret information and auxiliary information for generating difficult-to-copy secret information using the PUF, wherein a control terminal (108) is provided that reads the printed information and sends the printed information to the semiconductor chip, and the semiconductor chip uses the encryption function and PUF function to use the auxiliary data included in the printed information acquired from the control terminal to temporarily reproduce the difficult-to-copy secret information and additionally has a counterfeiting determination function in which the secret information included in the printed information and the temporarily reproduced difficult-to-copy secret information are compared and if the information does not match, a determination is made that counterfeiting has occurred.
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Inventors:
SUZUKI DAISUKE (JP)
Application Number:
PCT/JP2013/063560
Publication Date:
November 20, 2014
Filing Date:
May 15, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04L9/10; H04L9/32
Foreign References:
| JP2011198317A | 2011-10-06 | |||
| JP2009508430A | 2009-02-26 | |||
| JP2006102364A | 2006-04-20 | |||
| JP2006040190A | 2006-02-09 | |||
| JP2009524998A | 2009-07-02 | |||
| JP2009533741A | 2009-09-17 |
Other References:
See also references of EP 2999156A4
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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