AU645464B2 - Encryption system for digital cellular communications - Google Patents

Encryption system for digital cellular communications Download PDF

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Publication number
AU645464B2
AU645464B2 AU84331/91A AU8433191A AU645464B2 AU 645464 B2 AU645464 B2 AU 645464B2 AU 84331/91 A AU84331/91 A AU 84331/91A AU 8433191 A AU8433191 A AU 8433191A AU 645464 B2 AU645464 B2 AU 645464B2
Authority
AU
Australia
Prior art keywords
value
values
register
generating
bit
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
Application number
AU84331/91A
Other languages
English (en)
Other versions
AU8433191A (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 AU8433191A publication Critical patent/AU8433191A/en
Assigned to ERICSSON GE MOBILE COMMUNICATIONS INC. reassignment ERICSSON GE MOBILE COMMUNICATIONS INC. Amend patent request/document other than specification (104) Assignors: ERICSSON - GE MOBILE COMMUNICATIONS HOLDING INC.
Application granted granted Critical
Publication of AU645464B2 publication Critical patent/AU645464B2/en
Assigned to ERICSSON INC. reassignment ERICSSON INC. Request to Amend Deed and Register Assignors: ERICSSON GE MOBILE COMMUNICATIONS INC.
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03Protecting confidentiality, e.g. by encryption
    • H04W12/033Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry
    • H04L2209/122Hardware reduction or efficient architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80Wireless
    • H04L2209/805Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network 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
    • H04L63/0457Network 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)
AU84331/91A 1990-07-20 1991-07-18 Encryption system for digital cellular communications Expired AU645464B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55635890A 1990-07-20 1990-07-20
US556358 1995-11-13

Publications (2)

Publication Number Publication Date
AU8433191A AU8433191A (en) 1992-02-18
AU645464B2 true AU645464B2 (en) 1994-01-13

Family

ID=24221021

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84331/91A Expired AU645464B2 (en) 1990-07-20 1991-07-18 Encryption system for digital cellular communications

Country Status (11)

Country Link
JP (1) JP2688659B2 (ja)
KR (2) KR960008031B1 (ja)
CN (1) CN1032039C (ja)
AU (1) AU645464B2 (ja)
BR (1) BR9106663A (ja)
CA (1) CA2087616C (ja)
GB (1) GB2261348B (ja)
HK (1) HK29795A (ja)
MX (1) MX9100126A (ja)
NZ (1) NZ238651A (ja)
WO (1) WO1992002089A1 (ja)

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 (sv) * 1992-11-09 1994-06-27 Ericsson Telefon Ab L M Radiomodul ingående i en primär radiostation jämte radiostruktur innehållande sådana moduler
JP3029381B2 (ja) * 1994-01-10 2000-04-04 富士通株式会社 データ変換装置
US5425103A (en) * 1994-03-14 1995-06-13 Shaw; William Y. Variable-key cryptography system
JP3294739B2 (ja) * 1995-03-30 2002-06-24 三洋電機株式会社 Fm多重放送のスクランブルまたはデスクランブル方法
DE19548044C2 (de) * 1995-12-21 1998-03-26 Siemens Ag Verfahren und Anordnung zum Erzeugen von Zufallszahlen in Telekommunikationsgeräten eines drahtlosen Telekommunikationssystems
JP3746098B2 (ja) 1996-02-28 2006-02-15 株式会社日立製作所 データの暗号化装置
FI112419B (fi) * 1996-06-06 2003-11-28 Nokia Corp Menetelmä tiedonsiirron salaamiseksi
KR100474887B1 (ko) * 1997-02-17 2005-04-20 엘지전자 주식회사 씨디엠에이(cdma)이동통신시스템의인증방법
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 (zh) * 2013-02-07 2013-05-22 哈尔滨工业大学 高强度信息加密方法
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 (zh) * 2022-07-15 2024-02-27 山东大学 Triad轻量级流密码加密算法的芯片实现装置及方法

Citations (3)

* 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
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544308A (en) * 1983-04-04 1985-10-01 Westberg Russell C Boring head centering apparatus
JPS6049329A (ja) * 1983-08-29 1985-03-18 Fuji Photo Film Co Ltd ディスクフィルム画像再生システム
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

Patent Citations (3)

* 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
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
BR9106663A (pt) 1993-06-08
KR100214763B1 (en) 1999-08-02
KR960008031B1 (ko) 1996-06-19
JPH06501350A (ja) 1994-02-10
CA2087616A1 (en) 1992-01-21
GB2261348B (en) 1994-10-19
CN1059999A (zh) 1992-04-01
MX9100126A (es) 1992-02-28
NZ238651A (en) 1994-04-27
GB2261348A (en) 1993-05-12
AU8433191A (en) 1992-02-18
CA2087616C (en) 1999-04-27
JP2688659B2 (ja) 1997-12-10
CN1032039C (zh) 1996-06-12
WO1992002089A1 (en) 1992-02-06
GB9226395D0 (en) 1993-02-24
HK29795A (en) 1995-03-10

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