Title:
CONTROL PROCESSOR, ELECTRONIC EQUIPMENT, AND PROGRAM STARTING METHOD FOR ELECTRONIC EQUIPMENT, AND SYSTEM MODULE UPDATING METHOD FOR ELECTRONIC EQUIPMENT
Document Type and Number:
Japanese Patent JP2004280284
Kind Code:
A
Abstract:
To accurately carry out an authentication processing of a software in a secure status inside a control part by storing data and algorithms necessary for realizing processings independent of an OS in a secure status.
A hash value table is preliminarily written in a memory 14 for a hash value table inside a processor. Thus, the hash value for collation of a system module is present in the memory 14 for the hash value table inside the processor, so that it is possible to prevent a hash table form being altered or erased, and to maintain a reliable status as the hash value for collation.
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Inventors:
SAITO SHINYA
EZAKI RIKIYA
EZAKI RIKIYA
Application Number:
JP2003068582A
Publication Date:
October 07, 2004
Filing Date:
March 13, 2003
Export Citation:
Assignee:
SONY CORP
International Classes:
G06F21/12; G06F1/00; G06F21/14; G09C1/00; (IPC1-7): G06F1/00
Domestic Patent References:
| JP2002202720A | 2002-07-19 | |||
| JP2001524229A | 2001-11-27 | |||
| JP2002507307A | 2002-03-05 | |||
| JP2002351723A | 2002-12-06 | |||
| JP2002116838A | 2002-04-19 | |||
| JP2001527675A | 2001-12-25 | |||
| JP2000322253A | 2000-11-24 |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga