DE60011604D1 - Digitales funksystem - Google Patents
Digitales funksystemInfo
- Publication number
- DE60011604D1 DE60011604D1 DE60011604T DE60011604T DE60011604D1 DE 60011604 D1 DE60011604 D1 DE 60011604D1 DE 60011604 T DE60011604 T DE 60011604T DE 60011604 T DE60011604 T DE 60011604T DE 60011604 D1 DE60011604 D1 DE 60011604D1
- Authority
- DE
- Germany
- Prior art keywords
- digital
- digital signal
- pseudo
- signal
- random
- 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.)
- Expired - Fee Related
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
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- 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
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9908959A GB2349311A (en) | 1999-04-20 | 1999-04-20 | Digital radio signal encryption/decryption |
GB9908959 | 1999-04-20 | ||
PCT/EP2000/003744 WO2000064064A1 (en) | 1999-04-20 | 2000-04-20 | Digital radio system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60011604D1 true DE60011604D1 (de) | 2004-07-22 |
DE60011604T2 DE60011604T2 (de) | 2004-11-04 |
Family
ID=10851841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60011604T Expired - Fee Related DE60011604T2 (de) | 1999-04-20 | 2000-04-20 | Digitales funksystem |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1173934B1 (de) |
AT (1) | ATE269608T1 (de) |
AU (1) | AU5063200A (de) |
DE (1) | DE60011604T2 (de) |
DK (1) | DK1173934T3 (de) |
ES (1) | ES2220465T3 (de) |
GB (1) | GB2349311A (de) |
WO (1) | WO2000064064A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090285402A1 (en) * | 2008-05-16 | 2009-11-19 | Stuart Owen Goldman | Service induced privacy with synchronized noise insertion |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5177766A (en) * | 1991-06-03 | 1993-01-05 | Spectralink Corporation | Digital clock timing generation in a spread-spectrum digital communication system |
SE506619C2 (sv) * | 1995-09-27 | 1998-01-19 | Ericsson Telefon Ab L M | Metod för kryptering av information |
US5706348A (en) * | 1996-01-29 | 1998-01-06 | International Business Machines Corporation | Use of marker packets for synchronization of encryption/decryption keys in a data communication network |
-
1999
- 1999-04-20 GB GB9908959A patent/GB2349311A/en not_active Withdrawn
-
2000
- 2000-04-20 AT AT00934965T patent/ATE269608T1/de not_active IP Right Cessation
- 2000-04-20 EP EP00934965A patent/EP1173934B1/de not_active Expired - Lifetime
- 2000-04-20 WO PCT/EP2000/003744 patent/WO2000064064A1/en active IP Right Grant
- 2000-04-20 DE DE60011604T patent/DE60011604T2/de not_active Expired - Fee Related
- 2000-04-20 AU AU50632/00A patent/AU5063200A/en not_active Abandoned
- 2000-04-20 ES ES00934965T patent/ES2220465T3/es not_active Expired - Lifetime
- 2000-04-20 DK DK00934965T patent/DK1173934T3/da active
Also Published As
Publication number | Publication date |
---|---|
DK1173934T3 (da) | 2004-10-25 |
DE60011604T2 (de) | 2004-11-04 |
WO2000064064A1 (en) | 2000-10-26 |
GB2349311A (en) | 2000-10-25 |
ES2220465T3 (es) | 2004-12-16 |
ATE269608T1 (de) | 2004-07-15 |
AU5063200A (en) | 2000-11-02 |
EP1173934B1 (de) | 2004-06-16 |
GB9908959D0 (en) | 1999-06-16 |
EP1173934A1 (de) | 2002-01-23 |
WO2000064064A9 (en) | 2002-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |