GB2261348B - Encryption system for digital cellular communications - Google Patents
Encryption system for digital cellular communicationsInfo
- Publication number
- GB2261348B GB2261348B GB9226395A GB9226395A GB2261348B GB 2261348 B GB2261348 B GB 2261348B GB 9226395 A GB9226395 A GB 9226395A GB 9226395 A GB9226395 A GB 9226395A GB 2261348 B GB2261348 B GB 2261348B
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellular communications
- encryption system
- digital cellular
- encryption
- digital
- 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 - Lifetime
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
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
-
- 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
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/122—Hardware reduction or efficient architectures
-
- 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
- H04L2209/805—Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor
-
- 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
- H04L63/0457—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 wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Storage Device Security (AREA)
- Communication Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55635890A | 1990-07-20 | 1990-07-20 | |
PCT/US1991/005087 WO1992002089A1 (en) | 1990-07-20 | 1991-07-18 | Encryption system for digital cellular communications |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9226395D0 GB9226395D0 (en) | 1993-02-24 |
GB2261348A GB2261348A (en) | 1993-05-12 |
GB2261348B true GB2261348B (en) | 1994-10-19 |
Family
ID=24221021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9226395A Expired - Lifetime GB2261348B (en) | 1990-07-20 | 1992-12-18 | Encryption system for digital cellular communications |
Country Status (11)
Country | Link |
---|---|
JP (1) | JP2688659B2 (en) |
KR (2) | KR960008031B1 (en) |
CN (1) | CN1032039C (en) |
AU (1) | AU645464B2 (en) |
BR (1) | BR9106663A (en) |
CA (1) | CA2087616C (en) |
GB (1) | GB2261348B (en) |
HK (1) | HK29795A (en) |
MX (1) | MX9100126A (en) |
NZ (1) | NZ238651A (en) |
WO (1) | WO1992002089A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5239294A (en) * | 1989-07-12 | 1993-08-24 | Motorola, Inc. | Method and apparatus for authenication and protection of subscribers in telecommunication systems |
US5572193A (en) * | 1990-12-07 | 1996-11-05 | Motorola, Inc. | Method for authentication and protection of subscribers in telecommunications systems |
US5228054A (en) * | 1992-04-03 | 1993-07-13 | Qualcomm Incorporated | Power-of-two length pseudo-noise sequence generator with fast offset adjustment |
SE470520B (en) * | 1992-11-09 | 1994-06-27 | Ericsson Telefon Ab L M | Radio module included in a primary radio station and radio structure containing such modules |
JP3029381B2 (en) * | 1994-01-10 | 2000-04-04 | 富士通株式会社 | Data converter |
US5425103A (en) * | 1994-03-14 | 1995-06-13 | Shaw; William Y. | Variable-key cryptography system |
JP3294739B2 (en) * | 1995-03-30 | 2002-06-24 | 三洋電機株式会社 | Method for scrambling or descrambling FM multiplex broadcasting |
DE19548044C2 (en) * | 1995-12-21 | 1998-03-26 | Siemens Ag | Method and arrangement for generating random numbers in telecommunication devices of a wireless telecommunication system |
JP3746098B2 (en) * | 1996-02-28 | 2006-02-15 | 株式会社日立製作所 | Data encryption device |
FI112419B (en) * | 1996-06-06 | 2003-11-28 | Nokia Corp | Procedure for the confidentiality of data transmission |
KR100474887B1 (en) * | 1997-02-17 | 2005-04-20 | 엘지전자 주식회사 | Method for authenticating of cdma mobile communication system |
EP1632907B1 (en) * | 2004-08-24 | 2019-10-30 | Canon Kabushiki Kaisha | Data-processing system and method for controlling same, computer program, and computer-readable recording medium |
CN103117832A (en) * | 2013-02-07 | 2013-05-22 | 哈尔滨工业大学 | High-intensity information encryption method |
WO2019154447A1 (en) * | 2018-02-09 | 2019-08-15 | Argo Semiconductors Fs Ltd (He 359654) | Wireless communications system employing continuous phase modulation and physical layer security primitives |
CN115208553B (en) * | 2022-07-15 | 2024-02-27 | 山东大学 | Chip implementation device and method for TRIAD lightweight stream cipher encryption algorithm |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316055A (en) * | 1976-12-30 | 1982-02-16 | International Business Machines Corporation | Stream/block cipher crytographic system |
US4544308A (en) * | 1983-04-04 | 1985-10-01 | Westberg Russell C | Boring head centering apparatus |
US4811377A (en) * | 1987-07-31 | 1989-03-07 | Motorola, Inc. | Secure transfer of radio specific data |
US4827507A (en) * | 1987-06-19 | 1989-05-02 | Motorola, Inc. | Duplex analog scrambler |
US4860353A (en) * | 1988-05-17 | 1989-08-22 | General Instrument Corporation | Dynamic feedback arrangement scrambling technique keystream generator |
US4876740A (en) * | 1985-08-30 | 1989-10-24 | Motorola, Inc. | Radiotelephone system employing digitized speech/data signalling |
US5008935A (en) * | 1989-06-30 | 1991-04-16 | At&T Bell Laboratories | Efficient method for encrypting superblocks of data |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6049329A (en) * | 1983-08-29 | 1985-03-18 | Fuji Photo Film Co Ltd | Disk film image reproduction system |
-
1991
- 1991-06-21 NZ NZ238651A patent/NZ238651A/en not_active IP Right Cessation
- 1991-07-08 MX MX9100126A patent/MX9100126A/en unknown
- 1991-07-18 KR KR1019930700104A patent/KR960008031B1/en active
- 1991-07-18 CA CA002087616A patent/CA2087616C/en not_active Expired - Lifetime
- 1991-07-18 JP JP3514450A patent/JP2688659B2/en not_active Expired - Lifetime
- 1991-07-18 BR BR919106663A patent/BR9106663A/en not_active IP Right Cessation
- 1991-07-18 WO PCT/US1991/005087 patent/WO1992002089A1/en active Application Filing
- 1991-07-18 AU AU84331/91A patent/AU645464B2/en not_active Expired
- 1991-07-20 CN CN91105013A patent/CN1032039C/en not_active Expired - Lifetime
-
1992
- 1992-12-18 GB GB9226395A patent/GB2261348B/en not_active Expired - Lifetime
-
1993
- 1993-01-15 KR KR1019930700104A patent/KR100214763B1/en not_active IP Right Cessation
-
1995
- 1995-03-02 HK HK29795A patent/HK29795A/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316055A (en) * | 1976-12-30 | 1982-02-16 | International Business Machines Corporation | Stream/block cipher crytographic system |
US4544308A (en) * | 1983-04-04 | 1985-10-01 | Westberg Russell C | Boring head centering apparatus |
US4876740A (en) * | 1985-08-30 | 1989-10-24 | Motorola, Inc. | Radiotelephone system employing digitized speech/data signalling |
US4827507A (en) * | 1987-06-19 | 1989-05-02 | Motorola, Inc. | Duplex analog scrambler |
US4811377A (en) * | 1987-07-31 | 1989-03-07 | Motorola, Inc. | Secure transfer of radio specific data |
US4860353A (en) * | 1988-05-17 | 1989-08-22 | General Instrument Corporation | Dynamic feedback arrangement scrambling technique keystream generator |
US5008935A (en) * | 1989-06-30 | 1991-04-16 | At&T Bell Laboratories | Efficient method for encrypting superblocks of data |
Also Published As
Publication number | Publication date |
---|---|
KR100214763B1 (en) | 1999-08-02 |
CA2087616C (en) | 1999-04-27 |
BR9106663A (en) | 1993-06-08 |
GB9226395D0 (en) | 1993-02-24 |
JPH06501350A (en) | 1994-02-10 |
CA2087616A1 (en) | 1992-01-21 |
AU8433191A (en) | 1992-02-18 |
NZ238651A (en) | 1994-04-27 |
JP2688659B2 (en) | 1997-12-10 |
HK29795A (en) | 1995-03-10 |
CN1059999A (en) | 1992-04-01 |
WO1992002089A1 (en) | 1992-02-06 |
KR960008031B1 (en) | 1996-06-19 |
MX9100126A (en) | 1992-02-28 |
GB2261348A (en) | 1993-05-12 |
AU645464B2 (en) | 1994-01-13 |
CN1032039C (en) | 1996-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20110717 |