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 sequenciaInfo
- 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
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)
- Communication Control (AREA)
- Storage Device Security (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 (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)
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)
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 |
-
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 KR KR1019930700104A patent/KR960008031B1/ko active
- 1991-07-18 JP JP3514450A patent/JP2688659B2/ja not_active Expired - Lifetime
- 1991-07-18 AU AU84331/91A patent/AU645464B2/en not_active Expired
- 1991-07-18 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 WO PCT/US1991/005087 patent/WO1992002089A1/en active Application Filing
- 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
Also Published As
Publication number | Publication date |
---|---|
JPH06501350A (ja) | 1994-02-10 |
AU8433191A (en) | 1992-02-18 |
CN1032039C (zh) | 1996-06-12 |
AU645464B2 (en) | 1994-01-13 |
NZ238651A (en) | 1994-04-27 |
JP2688659B2 (ja) | 1997-12-10 |
CN1059999A (zh) | 1992-04-01 |
WO1992002089A1 (en) | 1992-02-06 |
MX9100126A (es) | 1992-02-28 |
CA2087616A1 (en) | 1992-01-21 |
KR100214763B1 (en) | 1999-08-02 |
GB2261348A (en) | 1993-05-12 |
KR960008031B1 (ko) | 1996-06-19 |
HK29795A (en) | 1995-03-10 |
GB2261348B (en) | 1994-10-19 |
CA2087616C (en) | 1999-04-27 |
GB9226395D0 (en) | 1993-02-24 |
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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 |