CH456205A - Verfahren und Einrichtung zum Schutz von gespeicherten Informationen gegen unerlaubten Zugriff - Google Patents
Verfahren und Einrichtung zum Schutz von gespeicherten Informationen gegen unerlaubten ZugriffInfo
- Publication number
- CH456205A CH456205A CH691966A CH691966A CH456205A CH 456205 A CH456205 A CH 456205A CH 691966 A CH691966 A CH 691966A CH 691966 A CH691966 A CH 691966A CH 456205 A CH456205 A CH 456205A
- Authority
- CH
- Switzerland
- Prior art keywords
- stored information
- unauthorized access
- against unauthorized
- information against
- protecting stored
- Prior art date
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
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
- G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/50—Adding; Subtracting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US455058A US3368207A (en) | 1965-05-12 | 1965-05-12 | File protection to i/o storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH456205A true CH456205A (de) | 1968-05-15 |
Family
ID=23807213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH691966A CH456205A (de) | 1965-05-12 | 1966-05-12 | Verfahren und Einrichtung zum Schutz von gespeicherten Informationen gegen unerlaubten Zugriff |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3368207A (de) |
| CH (1) | CH456205A (de) |
| DE (1) | DE1499687B2 (de) |
| GB (1) | GB1142465A (de) |
| NL (1) | NL6606475A (de) |
| SE (1) | SE341935B (de) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3447135A (en) * | 1966-08-18 | 1969-05-27 | Ibm | Peripheral data exchange |
| US3581287A (en) * | 1969-02-10 | 1971-05-25 | Sanders Associates Inc | Apparatus for altering computer memory by bit, byte or word |
| US3689893A (en) * | 1969-05-09 | 1972-09-05 | Olivetti & Co Spa | Accounting machine processor |
| US3670309A (en) * | 1969-12-23 | 1972-06-13 | Ibm | Storage control system |
| GB1414126A (en) * | 1971-11-22 | 1975-11-19 | Key Tronic Ltd | Secutity for computer systems |
| US3931504A (en) * | 1972-02-07 | 1976-01-06 | Basic Computing Arts, Inc. | Electronic data processing security system and method |
| US3818456A (en) * | 1972-10-06 | 1974-06-18 | Vidar Corp | Message metering system |
| US4135240A (en) * | 1973-07-09 | 1979-01-16 | Bell Telephone Laboratories, Incorporated | Protection of data file contents |
| US3890601A (en) * | 1974-03-11 | 1975-06-17 | Philco Ford Corp | Password operated system for preventing unauthorized or accidental computer memory alteration |
| FR2266222B1 (de) * | 1974-03-25 | 1980-03-21 | Moreno Roland | |
| US4045781A (en) * | 1976-02-13 | 1977-08-30 | Digital Equipment Corporation | Memory module with selectable byte addressing for digital data processing system |
| JPS5362945A (en) * | 1976-11-17 | 1978-06-05 | Toshiba Corp | Disc address system |
| US4158227A (en) * | 1977-10-12 | 1979-06-12 | Bunker Ramo Corporation | Paged memory mapping with elimination of recurrent decoding |
| US4296466A (en) * | 1978-01-23 | 1981-10-20 | Data General Corporation | Data processing system including a separate input/output processor with micro-interrupt request apparatus |
| US4262332A (en) * | 1978-12-28 | 1981-04-14 | International Business Machines Corporation | Command pair to improve performance and device independence |
| DE2926013C2 (de) * | 1979-06-27 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Ausgabe von binärkodierten Nachrichten an einen empfangsbefugten Personenkreis |
| US4471457A (en) * | 1980-08-21 | 1984-09-11 | International Business Machines Corporation | Supervisory control of peripheral subsystems |
| FR2528196B1 (fr) * | 1982-06-07 | 1988-05-27 | Fortune Systems Corp | Appareil de protection de programmes d'ordinateur |
| US4633388A (en) * | 1984-01-18 | 1986-12-30 | Siemens Corporate Research & Support, Inc. | On-chip microprocessor instruction decoder having hardware for selectively bypassing on-chip circuitry used to decipher encrypted instruction codes |
| GB8524455D0 (en) * | 1985-10-03 | 1985-11-06 | Isolation Systems Ltd | Monitoring activity of peripheral devices |
| US4757533A (en) * | 1985-09-11 | 1988-07-12 | Computer Security Corporation | Security system for microcomputers |
| GB2181281B (en) * | 1985-10-03 | 1989-09-13 | Isolation Systems Limited | Device for controlling access to computer peripherals |
| FR2591008B1 (fr) * | 1985-11-30 | 1991-05-17 | Toshiba Kk | Dispositif electronique portatif |
| US4809218A (en) * | 1986-01-29 | 1989-02-28 | Digital Equipment Corporation | Apparatus and method for increased system bus utilization in a data processing system |
| EP0470163A1 (de) * | 1989-04-28 | 1992-02-12 | COWSLEY, Christopher William | Sicherheit für maschinenschreibbare datenspeichersysteme |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL233967A (de) * | 1957-12-09 | |||
| US3264615A (en) * | 1962-12-11 | 1966-08-02 | Ibm | Memory protection system |
| US3283308A (en) * | 1963-06-10 | 1966-11-01 | Beckman Instruments Inc | Data processing system with autonomous input-output control |
| US3298001A (en) * | 1964-05-04 | 1967-01-10 | Gen Electric | Data processing unit for providing selective memory addressing by external apparatus |
-
1965
- 1965-05-12 US US455058A patent/US3368207A/en not_active Expired - Lifetime
-
1966
- 1966-05-02 GB GB19173/66A patent/GB1142465A/en not_active Expired
- 1966-05-05 DE DE1966J0030752 patent/DE1499687B2/de active Granted
- 1966-05-10 SE SE6364/66A patent/SE341935B/xx unknown
- 1966-05-11 NL NL6606475A patent/NL6606475A/xx unknown
- 1966-05-12 CH CH691966A patent/CH456205A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE341935B (de) | 1972-01-17 |
| DE1499687B2 (de) | 1973-06-20 |
| GB1142465A (en) | 1969-02-05 |
| NL6606475A (de) | 1966-11-14 |
| DE1499687A1 (de) | 1970-04-30 |
| US3368207A (en) | 1968-02-06 |
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