Title:
DATA PROCESSOR AND DATA PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2001265659
Kind Code:
A
Abstract:
To perform application to a personal computer and the reproducing unit of audio data, etc., for instance and to prevent the abnormal operation of a processor.
In the case of using the processor 34 incorporating a cipher processing function, the deciphered result of a work key 5 is checked and it is used.
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Inventors:
SUEMATSU TOSHINARI
Application Number:
JP2000081772A
Publication Date:
September 28, 2001
Filing Date:
March 17, 2000
Export Citation:
Assignee:
SONY CORP
International Classes:
G06F12/14; G06F21/60; G06F21/62; G09C1/00; G10K15/02; G11B20/10; H04L9/08; (IPC1-7): G06F12/14; G09C1/00; G11B20/10; H04L9/08
Attorney, Agent or Firm:
Shigenori Tada