ES494252A0 - Procedimiento y dispositivo para codificar y descodificar informacion - Google Patents
Procedimiento y dispositivo para codificar y descodificar informacionInfo
- Publication number
- ES494252A0 ES494252A0 ES494252A ES494252A ES494252A0 ES 494252 A0 ES494252 A0 ES 494252A0 ES 494252 A ES494252 A ES 494252A ES 494252 A ES494252 A ES 494252A ES 494252 A0 ES494252 A0 ES 494252A0
- Authority
- ES
- Spain
- Prior art keywords
- coding
- procedure
- decoding information
- decoding
- information
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Communication Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH755179 | 1979-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8104684A1 ES8104684A1 (es) | 1981-04-01 |
ES494252A0 true ES494252A0 (es) | 1981-04-01 |
Family
ID=4326923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES494252A Granted ES494252A0 (es) | 1979-08-17 | 1980-08-14 | Procedimiento y dispositivo para codificar y descodificar informacion |
Country Status (7)
Country | Link |
---|---|
US (1) | US4369333A (es) |
EP (1) | EP0024308A1 (es) |
JP (1) | JPS5631251A (es) |
BR (1) | BR8005177A (es) |
ES (1) | ES494252A0 (es) |
NO (1) | NO802422L (es) |
ZA (1) | ZA804976B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
DE3207040A1 (de) * | 1982-02-26 | 1983-09-08 | Siemens AG, 1000 Berlin und 8000 München | Vefahren und anordnung zum uebertragen von zeichen |
US4897880A (en) * | 1987-02-17 | 1990-01-30 | Soricon Corporation | Data acquisition control method and system for a hand held reader |
JP3792002B2 (ja) | 1997-04-17 | 2006-06-28 | ローム株式会社 | データ通信装置、データ通信システムおよびデータ通信方法 |
GB0620855D0 (en) * | 2006-10-19 | 2006-11-29 | Dovetail Software Corp Ltd | Data processing apparatus and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036156A (en) * | 1946-03-13 | 1962-05-22 | Charles N Gillespie | Secret telegraph system |
US4168395A (en) * | 1961-05-19 | 1979-09-18 | American Standard Inc. | Start/stop teleprinter scrambler |
DE978043C (de) * | 1962-08-27 | 1977-04-21 | Siemens Ag | Verfahren und Einrichtung zur verschluesselten UEbertragung von Fernschreibnachrichten |
CH411983A (de) * | 1963-10-18 | 1966-04-30 | Gretag Ag | Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten |
US4169212A (en) * | 1975-04-14 | 1979-09-25 | Datotek, Inc. | Multi-mode digital enciphering system |
CH604432A5 (es) * | 1977-03-16 | 1978-09-15 | Europ Handelsges Anst |
-
1980
- 1980-07-21 EP EP80104281A patent/EP0024308A1/de not_active Withdrawn
- 1980-08-05 US US06/175,370 patent/US4369333A/en not_active Expired - Lifetime
- 1980-08-13 NO NO802422A patent/NO802422L/no unknown
- 1980-08-14 ZA ZA00804976A patent/ZA804976B/xx unknown
- 1980-08-14 ES ES494252A patent/ES494252A0/es active Granted
- 1980-08-15 JP JP11187680A patent/JPS5631251A/ja active Pending
- 1980-08-15 BR BR8005177A patent/BR8005177A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
BR8005177A (pt) | 1981-03-04 |
ZA804976B (en) | 1981-08-26 |
ES8104684A1 (es) | 1981-04-01 |
JPS5631251A (en) | 1981-03-30 |
NO802422L (no) | 1981-02-18 |
EP0024308A1 (de) | 1981-03-04 |
US4369333A (en) | 1983-01-18 |
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