Title:
DATA RECORDING AND REPRODUCING SYSTEM
Document Type and Number:
Japanese Patent JPH103432
Kind Code:
A
Abstract:
To provide a data recording/reproducing system which can improve the secrecy of data without executing the processing of remodeling, extension and substitution on a recording device and a medium itself, which are operated at present.
The system is applied to a computer system 10 to which the recording device 20 recording and reproducing data into/from the recording medium. At the time of recording and reproducing data into/from the recording medium by the recording device 20, a password corresponding to the recording device 20 itself is combined with identification information of the computer system 10 itself and they are used. Then, data is ciphered and decoded.
Inventors:
SATO YASUSHI
Application Number:
JP15781696A
Publication Date:
January 06, 1998
Filing Date:
June 19, 1996
Export Citation:
Assignee:
NEC CORP
International Classes:
G06F12/14; G06F3/06; G06F21/10; G06F21/60; G06F21/62; G06F21/64; G11B7/00; G11B7/003; G11B7/005; G11B20/10; (IPC1-7): G06F12/14; G06F3/06; G11B7/00; G11B20/10
Attorney, Agent or Firm:
Yosuke Goto (2 outside)
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