JPS6462043A - Bus security system - Google Patents
Bus security systemInfo
- Publication number
- JPS6462043A JPS6462043A JP62218462A JP21846287A JPS6462043A JP S6462043 A JPS6462043 A JP S6462043A JP 62218462 A JP62218462 A JP 62218462A JP 21846287 A JP21846287 A JP 21846287A JP S6462043 A JPS6462043 A JP S6462043A
- Authority
- JP
- Japan
- Prior art keywords
- bus
- address
- processing unit
- cryptographic code
- transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
PURPOSE:To guarantee surely security in a short time by using a processor allowed to connect to a bus so as to add a cryptographic code to a part of the address, comparing the cryptographic code noticed to the response processing unit in advance with the cryptographic code in the address, discriminating whether or not the transfer is effective. CONSTITUTION:The titled system consists of a bus 20, processing units 21-0-21-n, and a master processing unit 22. Then a single or plural kinds of cryptographic codes are added to part of the address in the unit of job execution such as process or task by the processing unit allowed to be connected to the bus 20, the cryptographic code in the address is compared with the cryptographic code noticed to the response processing unit in advance in preceding over the transfer so as to discriminate whether or not the transfer is effective is discriminated. Thus, the security guarantee on the bus 20 is applied surely in a short time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62218462A JPS6462043A (en) | 1987-09-01 | 1987-09-01 | Bus security system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62218462A JPS6462043A (en) | 1987-09-01 | 1987-09-01 | Bus security system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6462043A true JPS6462043A (en) | 1989-03-08 |
Family
ID=16720282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62218462A Pending JPS6462043A (en) | 1987-09-01 | 1987-09-01 | Bus security system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6462043A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7747016B2 (en) | 1998-04-01 | 2010-06-29 | Panasonic Corporation | Data transmitting/receiving method, data transmission apparatus, data reception apparatus, data transmission/reception system, AV contents transmitting method, AV contents receiving method, AV contents transmission apparatus, AV contents reception apparatus, and program recording medium |
-
1987
- 1987-09-01 JP JP62218462A patent/JPS6462043A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7747016B2 (en) | 1998-04-01 | 2010-06-29 | Panasonic Corporation | Data transmitting/receiving method, data transmission apparatus, data reception apparatus, data transmission/reception system, AV contents transmitting method, AV contents receiving method, AV contents transmission apparatus, AV contents reception apparatus, and program recording medium |
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