GB2261348B - Encryption system for digital cellular communications - Google Patents

Encryption system for digital cellular communications

Info

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
Application number
GB9226395A
Other versions
GB9226395D0 (en
GB2261348A (en
Inventor
Paul Wilkinson Dent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson GE Mobile Communications Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson GE Mobile Communications Inc filed Critical Ericsson GE Mobile Communications Inc
Publication of GB9226395D0 publication Critical patent/GB9226395D0/en
Publication of GB2261348A publication Critical patent/GB2261348A/en
Application granted granted Critical
Publication of GB2261348B publication Critical patent/GB2261348B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
GB9226395A 1990-07-20 1992-12-18 Encryption system for digital cellular communications Expired - Lifetime GB2261348B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
MX9100126A (en) 1992-02-28
KR960008031B1 (en) 1996-06-19
GB9226395D0 (en) 1993-02-24
CA2087616C (en) 1999-04-27
AU645464B2 (en) 1994-01-13
JP2688659B2 (en) 1997-12-10
HK29795A (en) 1995-03-10
WO1992002089A1 (en) 1992-02-06
CN1032039C (en) 1996-06-12
AU8433191A (en) 1992-02-18
CA2087616A1 (en) 1992-01-21
CN1059999A (en) 1992-04-01
BR9106663A (en) 1993-06-08
KR100214763B1 (en) 1999-08-02
GB2261348A (en) 1993-05-12
JPH06501350A (en) 1994-02-10
NZ238651A (en) 1994-04-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110717