DK591286A - Fremgangsmaade til sikrede kommunikationer i et telekommunikationsanlaeg - Google Patents
Fremgangsmaade til sikrede kommunikationer i et telekommunikationsanlaegInfo
- Publication number
- DK591286A DK591286A DK591286A DK591286A DK591286A DK 591286 A DK591286 A DK 591286A DK 591286 A DK591286 A DK 591286A DK 591286 A DK591286 A DK 591286A DK 591286 A DK591286 A DK 591286A
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- telecommunication system
- secured communications
- communications
- secured
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13209—ISDN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1333—Random systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13339—Ciphering, encryption, security
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8530485A GB2191661B (en) | 1985-12-11 | 1985-12-11 | Method of secured communications in a telecommunications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK591286D0 DK591286D0 (da) | 1986-12-09 |
| DK591286A true DK591286A (da) | 1987-06-12 |
Family
ID=10589579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK591286A DK591286A (da) | 1985-12-11 | 1986-12-09 | Fremgangsmaade til sikrede kommunikationer i et telekommunikationsanlaeg |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4794644A (da) |
| EP (1) | EP0225756B1 (da) |
| JP (1) | JPS62140532A (da) |
| KR (1) | KR870006743A (da) |
| CN (1) | CN1007573B (da) |
| BG (1) | BG45710A3 (da) |
| CA (1) | CA1256610A (da) |
| DE (1) | DE3688423T2 (da) |
| DK (1) | DK591286A (da) |
| ES (1) | ES2040700T3 (da) |
| FI (1) | FI865023A7 (da) |
| GB (1) | GB2191661B (da) |
| IN (1) | IN169111B (da) |
| PT (1) | PT83901B (da) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0257585B1 (en) * | 1986-08-22 | 1992-11-25 | Nec Corporation | Key distribution method |
| GB8704920D0 (en) * | 1987-03-03 | 1987-04-08 | Hewlett Packard Co | Secure messaging system |
| US4897874A (en) * | 1988-03-31 | 1990-01-30 | American Telephone And Telegraph Company At&T Bell Laboratories | Metropolitan area network arrangement for serving virtual data networks |
| US4930159A (en) * | 1989-01-18 | 1990-05-29 | International Business Machines Corporation | Netbios name authentication |
| US5247576A (en) * | 1991-02-27 | 1993-09-21 | Motorola, Inc. | Key variable identification method |
| US7028187B1 (en) | 1991-11-15 | 2006-04-11 | Citibank, N.A. | Electronic transaction apparatus for electronic commerce |
| US5557518A (en) * | 1994-04-28 | 1996-09-17 | Citibank, N.A. | Trusted agents for open electronic commerce |
| US5455861A (en) * | 1991-12-09 | 1995-10-03 | At&T Corp. | Secure telecommunications |
| US5392357A (en) * | 1991-12-09 | 1995-02-21 | At&T Corp. | Secure telecommunications |
| US5434920A (en) * | 1991-12-09 | 1995-07-18 | At&T Corp. | Secure telecommunications |
| TW242206B (da) * | 1993-08-27 | 1995-03-01 | At & T Corp | |
| US6088797A (en) * | 1994-04-28 | 2000-07-11 | Rosen; Sholom S. | Tamper-proof electronic processing device |
| DE4421615C1 (de) * | 1994-06-21 | 1996-12-05 | Matthias Dipl Ing Viehmann | Schaltungsanordnung zum Fremdeingriffschutz für das drahtgebundene Telefonnetz |
| US5659684A (en) * | 1995-02-03 | 1997-08-19 | Isdn Systems Corporation | Methods and apparatus for interconnecting personal computers (PCs) and local area networks (LANs) using packet protocols transmitted over a digital data service (DDS) |
| US6373946B1 (en) * | 1996-05-31 | 2002-04-16 | Ico Services Ltd. | Communication security |
| US5889860A (en) * | 1996-11-08 | 1999-03-30 | Sunhawk Corporation, Inc. | Encryption system with transaction coded decryption key |
| WO2000025476A1 (en) | 1998-10-28 | 2000-05-04 | L-3 Communications Corporation | Apparatus and methods for cryptographic synchronization in packet based communications |
| DE10117930B4 (de) * | 2001-04-10 | 2015-03-05 | Deutsche Telekom Ag | Verfahren zur Verschlüsselung von zu übertragenden Daten und Schaltungsanordnung zur Durchführung des Verfahrens |
| US7280658B2 (en) * | 2001-06-01 | 2007-10-09 | International Business Machines Corporation | Systems, methods, and computer program products for accelerated dynamic protection of data |
| JP2008035438A (ja) * | 2006-07-31 | 2008-02-14 | Fujitsu Ltd | データ中継装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369443A (en) * | 1979-12-26 | 1983-01-18 | Meta Systems, Inc. | Message communication system with message storage |
| US4578530A (en) * | 1981-06-26 | 1986-03-25 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
| US4500750A (en) * | 1981-12-30 | 1985-02-19 | International Business Machines Corporation | Cryptographic application for interbank verification |
| US4458109A (en) * | 1982-02-05 | 1984-07-03 | Siemens Corporation | Method and apparatus providing registered mail features in an electronic communication system |
| US4578531A (en) * | 1982-06-09 | 1986-03-25 | At&T Bell Laboratories | Encryption system key distribution method and apparatus |
| US4549308A (en) * | 1982-07-12 | 1985-10-22 | At&T Bell Laboratories | Secure mobile radio telephony |
-
1985
- 1985-12-11 GB GB8530485A patent/GB2191661B/en not_active Expired
-
1986
- 1986-11-20 EP EP86309084A patent/EP0225756B1/en not_active Expired - Lifetime
- 1986-11-20 ES ES198686309084T patent/ES2040700T3/es not_active Expired - Lifetime
- 1986-11-20 DE DE8686309084T patent/DE3688423T2/de not_active Expired - Fee Related
- 1986-11-25 IN IN903/MAS/86A patent/IN169111B/en unknown
- 1986-11-25 KR KR860009944A patent/KR870006743A/ko not_active Abandoned
- 1986-12-09 DK DK591286A patent/DK591286A/da not_active Application Discontinuation
- 1986-12-10 BG BG077452A patent/BG45710A3/xx unknown
- 1986-12-10 FI FI865023A patent/FI865023A7/fi not_active IP Right Cessation
- 1986-12-10 CA CA000524999A patent/CA1256610A/en not_active Expired
- 1986-12-10 JP JP61294593A patent/JPS62140532A/ja active Pending
- 1986-12-10 PT PT83901A patent/PT83901B/pt not_active IP Right Cessation
- 1986-12-11 US US06/940,365 patent/US4794644A/en not_active Expired - Lifetime
- 1986-12-11 CN CN86108509A patent/CN1007573B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1256610A (en) | 1989-06-27 |
| DK591286D0 (da) | 1986-12-09 |
| DE3688423T2 (de) | 1993-08-19 |
| JPS62140532A (ja) | 1987-06-24 |
| ES2040700T3 (es) | 1993-11-01 |
| EP0225756B1 (en) | 1993-05-12 |
| PT83901B (pt) | 1989-06-30 |
| EP0225756A2 (en) | 1987-06-16 |
| GB2191661A (en) | 1987-12-16 |
| FI865023A7 (fi) | 1987-06-12 |
| US4794644A (en) | 1988-12-27 |
| CN1007573B (zh) | 1990-04-11 |
| CN86108509A (zh) | 1987-09-16 |
| IN169111B (da) | 1991-09-07 |
| DE3688423D1 (de) | 1993-06-17 |
| GB8530485D0 (en) | 1986-01-22 |
| GB2191661B (en) | 1989-03-30 |
| FI865023A0 (fi) | 1986-12-10 |
| KR870006743A (ko) | 1987-07-14 |
| EP0225756A3 (en) | 1989-04-05 |
| PT83901A (en) | 1987-01-01 |
| BG45710A3 (bg) | 1989-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR860007785A (ko) | 전화 시스템용 변복조장치 | |
| DK403886D0 (da) | Kommunikationsanlaeg | |
| GB8531138D0 (en) | Telecommunications network | |
| DK591286A (da) | Fremgangsmaade til sikrede kommunikationer i et telekommunikationsanlaeg | |
| NO843080L (no) | Kommunikasjonssystem | |
| DE68926995D1 (de) | Kommunikationssystem | |
| DK370389A (da) | Kommunikationssystem | |
| BR8502146A (pt) | Sistema de telecomunicacoes,em particular um sistema telefonico | |
| DK198889A (da) | Kommunikationssystem | |
| DK166187C (da) | Digitalt kommunikationssystem | |
| FI862576A0 (fi) | Telekommunikationssystem. | |
| GB8525413D0 (en) | Optical communications system | |
| GB2171877B (en) | Telephone system | |
| FI892942A7 (fi) | Tietoliikennejärjestelmä | |
| GB8523583D0 (en) | Telecommunication switching system | |
| NO173080C (no) | Kommunikasjonssystem | |
| NO171939C (no) | Kommunikasjonssystem | |
| GB2174270B (en) | Telecommunication system | |
| DK162688A (da) | Sikkerhedsarrangement til et telekommunikationscentralsystem | |
| GB2175403B (en) | Telecommunication systems | |
| DK413085A (da) | Digital kommunikationssystem | |
| GB8521182D0 (en) | Telephone system | |
| SE8403390D0 (sv) | Submarint kommunikationssystem | |
| YU16586A (en) | Module for telecommunication assemblies | |
| GB8515500D0 (en) | Optical communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |