AU645464B2 - Encryption system for digital cellular communications - Google Patents
Encryption system for digital cellular communications Download PDFInfo
- 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
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 | |
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)
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)
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)
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 |
-
1991
- 1991-06-21 NZ NZ238651A patent/NZ238651A/en not_active IP Right Cessation
- 1991-07-08 MX MX9100126A patent/MX9100126A/es unknown
- 1991-07-18 BR BR919106663A patent/BR9106663A/pt not_active IP Right Cessation
- 1991-07-18 CA CA002087616A patent/CA2087616C/en not_active Expired - Lifetime
- 1991-07-18 KR KR1019930700104A patent/KR960008031B1/ko active
- 1991-07-18 WO PCT/US1991/005087 patent/WO1992002089A1/en active Application Filing
- 1991-07-18 JP JP3514450A patent/JP2688659B2/ja not_active Expired - Lifetime
- 1991-07-18 AU AU84331/91A patent/AU645464B2/en not_active Expired
- 1991-07-20 CN CN91105013A patent/CN1032039C/zh 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/ko not_active IP Right Cessation
-
1995
- 1995-03-02 HK HK29795A patent/HK29795A/xx not_active IP Right Cessation
Patent Citations (3)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5148485A (en) | Encrypton system for digital cellular communications | |
US5060266A (en) | Continuous cipher synchronization for cellular communication system | |
EP0446194B1 (en) | Continous cipher synchronization for cellular communication system | |
US5081679A (en) | Resynchronization of encryption systems upon handoff | |
AU645228B2 (en) | Authentication system for digital cellular communications | |
US5237612A (en) | Cellular verification and validation system | |
US5966450A (en) | Variable mask for encryption generated independently at communications stations | |
AU645464B2 (en) | Encryption system for digital cellular communications | |
EP0757459B1 (en) | Cryptographic system for wireless communications | |
EP1197035B1 (en) | Method and apparatus for securely transmitting distributed challenge values (rand) for use in mobile station authentication | |
KR100576530B1 (ko) | 무선전화메시지들에대한보안성개선을위해룩업테이블의비밀키의개선된보안성을확장하기위한방법및장치 | |
NZ248445A (en) | Generating pseudo-random bit sequences for enciphering digital data | |
Yi et al. | Secure Message System for Mobile Communication Using A5/1 Algorithm | |
JPH01164139A (ja) | 無線呼出方式における呼出信号秘匿方法 | |
KR20000016768A (ko) | 무선 전화 메시지에 대한 보안성을 개선하기 위하여 다수의 반복 씨엠이에이 암호화 및 해독화하는 방법 및 장치 |