BR9106663A - Processo e sistema de gerar uma sequencia de bits pseudo-aleatoria para uso no criptografar dados digitais,sua aplicacao em um sistema de comunicacoes celular digital,e processo de reduzir a proporcao hardware logico necessaria para gerar tal sequencia - Google Patents

Processo e sistema de gerar uma sequencia de bits pseudo-aleatoria para uso no criptografar dados digitais,sua aplicacao em um sistema de comunicacoes celular digital,e processo de reduzir a proporcao hardware logico necessaria para gerar tal sequencia

Info

Publication number
BR9106663A
BR9106663A BR919106663A BR9106663A BR9106663A BR 9106663 A BR9106663 A BR 9106663A BR 919106663 A BR919106663 A BR 919106663A BR 9106663 A BR9106663 A BR 9106663A BR 9106663 A BR9106663 A BR 9106663A
Authority
BR
Brazil
Prior art keywords
pseudo
sequence
generating
generate
reducing
Prior art date
Application number
BR919106663A
Other languages
English (en)
Portuguese (pt)
Inventor
Paul Wilkinson Dent
Original Assignee
Ericsson Ge Mobile Communicat
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 Communicat filed Critical Ericsson Ge Mobile Communicat
Publication of BR9106663A publication Critical patent/BR9106663A/pt

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)
BR919106663A 1990-07-20 1991-07-18 Processo e sistema de gerar uma sequencia de bits pseudo-aleatoria para uso no criptografar dados digitais,sua aplicacao em um sistema de comunicacoes celular digital,e processo de reduzir a proporcao hardware logico necessaria para gerar tal sequencia BR9106663A (pt)

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 (1)

Publication Number Publication Date
BR9106663A true BR9106663A (pt) 1993-06-08

Family

ID=24221021

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919106663A BR9106663A (pt) 1990-07-20 1991-07-18 Processo e sistema de gerar uma sequencia de bits pseudo-aleatoria para uso no criptografar dados digitais,sua aplicacao em um sistema de comunicacoes celular digital,e processo de reduzir a proporcao hardware logico necessaria para gerar tal sequencia

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

Family Cites Families (8)

* 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
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
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
AU645464B2 (en) 1994-01-13
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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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 18/07/2011