Microcontroller and authentication method between the...

Details Microcontroller and authentication method between the... Microcontroller and authentication method between the...

2007-01-03

2010-12-21

Song, Hosuk (Department: 2435)

Cryptography

Key management

Having particular key generator

C380S046000, C713S189000

Reexamination Certificate

active

07856103

ABSTRACT:
A microcontroller includes a program memory configured to store a program group and a first encryption key; a CPU; and an identification (ID) storage section configured to store an identification data peculiar to a user of the microcontroller. The CPU executes the program group to generate a second encryption key based on the identification data and the first encryption key and to encrypt a random number with the second encryption key.

REFERENCES:
patent: 7421742 (2008-09-01), Kitani et al.
patent: 7590865 (2009-09-01), Han et al.
patent: 1692599 (2005-11-01), None
patent: 2003-318894 (2003-11-01), None
Chinese Office Action dated Aug. 9, 2010 with an English translation.

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