DE60219664D1 - Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals - Google Patents
Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignalsInfo
- Publication number
- DE60219664D1 DE60219664D1 DE60219664T DE60219664T DE60219664D1 DE 60219664 D1 DE60219664 D1 DE 60219664D1 DE 60219664 T DE60219664 T DE 60219664T DE 60219664 T DE60219664 T DE 60219664T DE 60219664 D1 DE60219664 D1 DE 60219664D1
- Authority
- DE
- Germany
- Prior art keywords
- encrypting
- pseudo
- communication signal
- sequence before
- before spreading
- 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
Links
- 238000009825 accumulation Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- 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
-
- 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
- H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/991,506 US7333614B2 (en) | 2001-11-16 | 2001-11-16 | System and method for encypting spread spectrum carrier |
US991506 | 2001-11-16 | ||
PCT/US2002/036782 WO2003045106A1 (en) | 2001-11-16 | 2002-11-15 | Encrypting a pseudo-noise (pn) sequence before spreading a communication signal |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60219664D1 true DE60219664D1 (de) | 2007-05-31 |
DE60219664T2 DE60219664T2 (de) | 2007-12-20 |
Family
ID=25537284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60219664T Expired - Lifetime DE60219664T2 (de) | 2001-11-16 | 2002-11-15 | Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals |
Country Status (12)
Country | Link |
---|---|
US (1) | US7333614B2 (de) |
EP (1) | EP1444857B1 (de) |
JP (1) | JP4727922B2 (de) |
CN (1) | CN1611093B (de) |
AT (1) | ATE360342T1 (de) |
AU (2) | AU2002348284A1 (de) |
BR (1) | BR0214146A (de) |
CA (1) | CA2467428C (de) |
DE (1) | DE60219664T2 (de) |
ES (1) | ES2283610T3 (de) |
MX (1) | MXPA04004633A (de) |
WO (1) | WO2003045106A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7302020B2 (en) * | 2002-05-20 | 2007-11-27 | Hewlett-Packard Development Company, L.P. | Encoded multi-access bus system and method |
KR20060073596A (ko) * | 2003-08-13 | 2006-06-28 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 송신 시스템에서 디지털 데이터 스트림을 암호화하는방법과 장치, 디지털 데이터 스트림 디코딩 방법과 장치 및송신 시스템 |
EP1513279B1 (de) * | 2003-09-08 | 2007-10-31 | ABB Research Ltd. | Datenverschlüsselung in der physikalischen Schicht eines Datenübertragungssystems |
US7308250B2 (en) * | 2004-03-16 | 2007-12-11 | Broadcom Corporation | Integration of secure identification logic into cell phone |
US20060204009A1 (en) * | 2005-03-14 | 2006-09-14 | Michigan State University | Physical layer built-in security enhancement of spread spectrum wireless communication systems |
US20070047726A1 (en) * | 2005-08-25 | 2007-03-01 | Cisco Technology, Inc. | System and method for providing contextual information to a called party |
US8243895B2 (en) * | 2005-12-13 | 2012-08-14 | Cisco Technology, Inc. | Communication system with configurable shared line privacy feature |
US8503621B2 (en) * | 2006-03-02 | 2013-08-06 | Cisco Technology, Inc. | Secure voice communication channel for confidential messaging |
KR100766313B1 (ko) * | 2006-05-30 | 2007-10-11 | 삼성전자주식회사 | 이동통신단말기에서 보안 키의 암호화 장치 및 방법 |
US7761110B2 (en) * | 2006-05-31 | 2010-07-20 | Cisco Technology, Inc. | Floor control templates for use in push-to-talk applications |
US7751488B2 (en) * | 2006-08-16 | 2010-07-06 | Harris Corporation | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) |
US7649951B2 (en) * | 2006-08-16 | 2010-01-19 | Harris Corporation | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading |
US7903749B2 (en) * | 2006-08-16 | 2011-03-08 | Harris Corporation | System and method for applying frequency domain spreading to multi-carrier communications signals |
US8687785B2 (en) | 2006-11-16 | 2014-04-01 | Cisco Technology, Inc. | Authorization to place calls by remote users |
US8817061B2 (en) * | 2007-07-02 | 2014-08-26 | Cisco Technology, Inc. | Recognition of human gestures by a mobile phone |
US8477937B2 (en) * | 2011-04-07 | 2013-07-02 | Comtech Ef Data Corp. | Methods and systems for providing interference based physical-layer encryption |
US8958550B2 (en) * | 2011-09-13 | 2015-02-17 | Combined Conditional Access Development & Support. LLC (CCAD) | Encryption operation with real data rounds, dummy data rounds, and delay periods |
US9088805B2 (en) * | 2012-02-08 | 2015-07-21 | Vixs Systems, Inc. | Encrypted memory device and methods for use therewith |
CN105917597B (zh) * | 2014-01-13 | 2019-03-19 | Lg电子株式会社 | 无线lan系统中发送和接收支持短mac报头的帧的方法和装置 |
CN105429706B (zh) * | 2015-12-15 | 2018-01-02 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | 基于aes加密交织的混沌码分多址可见光通信系统 |
WO2019003321A1 (ja) * | 2017-06-27 | 2019-01-03 | 三菱電機株式会社 | 符号生成装置、符号生成方法および符号生成プログラム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5060265A (en) * | 1990-07-23 | 1991-10-22 | Motorola, Inc. | Method of protecting a linear feedback shift register (LFSR) output signal |
JP2950485B2 (ja) * | 1992-02-17 | 1999-09-20 | 富士通エフ・アイ・ピー株式会社 | ストリーム暗号処理装置 |
US5550809A (en) * | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
US20010026578A1 (en) * | 1994-12-19 | 2001-10-04 | Takeshi Ando | Code division multiple access transmitter and receiver |
US5727064A (en) * | 1995-07-03 | 1998-03-10 | Lucent Technologies Inc. | Cryptographic system for wireless communications |
JPH1051440A (ja) * | 1996-08-05 | 1998-02-20 | Sharp Corp | 暗号通信装置及び暗号通信方法 |
US6044388A (en) * | 1997-05-15 | 2000-03-28 | International Business Machine Corporation | Pseudorandom number generator |
US6331974B1 (en) * | 1997-06-23 | 2001-12-18 | The Regents Of The University Of California | Chaotic digital code-division multiple access (CDMA) communication systems |
US6426960B2 (en) * | 1997-06-24 | 2002-07-30 | Qualcomm Incorporated | Increased capacity data transmission in a CDMA wireless communication system |
KR19990016606A (ko) * | 1997-08-18 | 1999-03-15 | 윤종용 | 씨디엠에이 이동통신시스템의 의사직교부호를 이용한 대역확산신호 발생장치 및 방법 |
WO2000024139A1 (en) | 1998-10-21 | 2000-04-27 | Qualcomm Incorporated | Encryption support in a hybrid gsm/cdma network |
JP3748495B2 (ja) * | 1998-12-11 | 2006-02-22 | キヤノン株式会社 | 画像処理方法、画像処理装置、画像配付システム及び記憶媒体 |
US6895090B1 (en) * | 1999-04-30 | 2005-05-17 | Texas Instruments Incorporated | Pseudo-noise sequence with insertion having variant length and position |
US6452959B1 (en) * | 1999-05-28 | 2002-09-17 | Dot Wireless, Inc. | Method of and apparatus for generating data sequences for use in communications |
-
2001
- 2001-11-16 US US09/991,506 patent/US7333614B2/en not_active Expired - Fee Related
-
2002
- 2002-11-15 ES ES02782308T patent/ES2283610T3/es not_active Expired - Lifetime
- 2002-11-15 DE DE60219664T patent/DE60219664T2/de not_active Expired - Lifetime
- 2002-11-15 EP EP02782308A patent/EP1444857B1/de not_active Expired - Lifetime
- 2002-11-15 MX MXPA04004633A patent/MXPA04004633A/es active IP Right Grant
- 2002-11-15 CA CA2467428A patent/CA2467428C/en not_active Expired - Lifetime
- 2002-11-15 AU AU2002348284A patent/AU2002348284A1/en not_active Abandoned
- 2002-11-15 AT AT02782308T patent/ATE360342T1/de not_active IP Right Cessation
- 2002-11-15 JP JP2003546615A patent/JP4727922B2/ja not_active Expired - Fee Related
- 2002-11-15 WO PCT/US2002/036782 patent/WO2003045106A1/en active IP Right Grant
- 2002-11-15 BR BR0214146-9A patent/BR0214146A/pt not_active Application Discontinuation
- 2002-11-15 CN CN028263502A patent/CN1611093B/zh not_active Expired - Fee Related
-
2008
- 2008-11-07 AU AU2008243160A patent/AU2008243160A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20030095662A1 (en) | 2003-05-22 |
AU2002348284A1 (en) | 2003-06-10 |
WO2003045106A1 (en) | 2003-05-30 |
ATE360342T1 (de) | 2007-05-15 |
EP1444857B1 (de) | 2007-04-18 |
CA2467428C (en) | 2012-04-24 |
CN1611093A (zh) | 2005-04-27 |
CN1611093B (zh) | 2010-12-08 |
JP2005510747A (ja) | 2005-04-21 |
AU2008243160A1 (en) | 2008-12-04 |
BR0214146A (pt) | 2004-10-19 |
JP4727922B2 (ja) | 2011-07-20 |
CA2467428A1 (en) | 2003-05-30 |
ES2283610T3 (es) | 2007-11-01 |
DE60219664T2 (de) | 2007-12-20 |
MXPA04004633A (es) | 2004-08-12 |
US7333614B2 (en) | 2008-02-19 |
EP1444857A1 (de) | 2004-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |