Authentication system and authentication code convertor

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United States of America Patent

PATENT NO 9407439
APP PUB NO 20140205095A1
SERIAL NO

14156625

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Importance

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Abstract

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The authentication system includes a to-be-authenticated device for generating a first authentication data; an authentication code convertor for converting the first authentication data generated by the to-be-authenticated device into a second authentication data; and an authentication device for performing authentication of the to-be-authenticated device based on the second authentication data. The first authentication data includes an authentication code obtained by encrypting challenge data output from the authentication device and input to the to-be-authenticated device through the authentication code convertor and predetermined data included in the to-be-authenticated device in accordance with an encryption method using a first encryption key; and the predetermined data included in the to-be-authenticated device. The second authentication data includes an authentication code obtained by encrypting the challenge data output from the authentication device and input to the authentication code convertor and the predetermined data included in the to-be-authenticated device.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ittogi, Hirotaka Susono, JP 14 60

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