DD98383A1 - - Google Patents
Info
- Publication number
- DD98383A1 DD98383A1 DD16385172A DD16385172A DD98383A1 DD 98383 A1 DD98383 A1 DD 98383A1 DD 16385172 A DD16385172 A DD 16385172A DD 16385172 A DD16385172 A DD 16385172A DD 98383 A1 DD98383 A1 DD 98383A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
- G06F12/1466—Key-lock mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16385172A DD98383A1 (en) | 1972-06-21 | 1972-06-21 | |
| DE19732318173 DE2318173A1 (en) | 1972-06-21 | 1973-04-11 | PROCEDURE AND CIRCUIT ARRANGEMENT FOR PROTECTING MEMORY FROM UNAUTHORIZED READING |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16385172A DD98383A1 (en) | 1972-06-21 | 1972-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD98383A1 true DD98383A1 (en) | 1973-06-12 |
Family
ID=5487116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16385172A DD98383A1 (en) | 1972-06-21 | 1972-06-21 |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD98383A1 (en) |
| DE (1) | DE2318173A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008355A1 (en) * | 1978-08-25 | 1980-03-05 | Siemens Aktiengesellschaft | Device for the protection of data stored in computers against unauthorized access |
| EP0011136A1 (en) * | 1978-11-13 | 1980-05-28 | International Business Machines Corporation | Integrity protection circuitry for read-/write control storage |
| DE3625077A1 (en) * | 1985-07-25 | 1987-02-05 | Sharp Kk | Electronic notebook |
| US5224067A (en) * | 1985-07-25 | 1993-06-29 | Sharp Kabushiki Kaisha | Electronic memo/retrieval apparatus with confidential storage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093987A (en) * | 1977-03-24 | 1978-06-06 | International Business Machines Corporation | Hardware control storage area protection method and means |
-
1972
- 1972-06-21 DD DD16385172A patent/DD98383A1/xx unknown
-
1973
- 1973-04-11 DE DE19732318173 patent/DE2318173A1/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008355A1 (en) * | 1978-08-25 | 1980-03-05 | Siemens Aktiengesellschaft | Device for the protection of data stored in computers against unauthorized access |
| EP0011136A1 (en) * | 1978-11-13 | 1980-05-28 | International Business Machines Corporation | Integrity protection circuitry for read-/write control storage |
| DE3625077A1 (en) * | 1985-07-25 | 1987-02-05 | Sharp Kk | Electronic notebook |
| US5224067A (en) * | 1985-07-25 | 1993-06-29 | Sharp Kabushiki Kaisha | Electronic memo/retrieval apparatus with confidential storage |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2318173A1 (en) | 1974-01-24 |