DE69424437D1 - Verfahren zur verbesserten sicherheit eines crc verschlüsselungssystems - Google Patents

Verfahren zur verbesserten sicherheit eines crc verschlüsselungssystems

Info

Publication number
DE69424437D1
DE69424437D1 DE69424437T DE69424437T DE69424437D1 DE 69424437 D1 DE69424437 D1 DE 69424437D1 DE 69424437 T DE69424437 T DE 69424437T DE 69424437 T DE69424437 T DE 69424437T DE 69424437 D1 DE69424437 D1 DE 69424437D1
Authority
DE
Germany
Prior art keywords
security
improving
encryption system
crc
crc encryption
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
Application number
DE69424437T
Other languages
English (en)
Other versions
DE69424437T2 (de
Inventor
J Koopman
M Finn
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.)
Lear Automotive Dearborn Inc
Original Assignee
Lear Automotive Dearborn 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 Lear Automotive Dearborn Inc filed Critical Lear Automotive Dearborn Inc
Publication of DE69424437D1 publication Critical patent/DE69424437D1/de
Application granted granted Critical
Publication of DE69424437T2 publication Critical patent/DE69424437T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04L2209/04—Masking or blinding
    • 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
DE69424437T 1993-11-05 1994-11-07 Verfahren zur verbesserten sicherheit eines crc verschlüsselungssystems Expired - Lifetime DE69424437T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/148,667 US5398284A (en) 1993-11-05 1993-11-05 Cryptographic encoding process
PCT/US1994/012789 WO1995012941A1 (en) 1993-11-05 1994-11-07 Method for improved security of crc encryption system

Publications (2)

Publication Number Publication Date
DE69424437D1 true DE69424437D1 (de) 2000-06-15
DE69424437T2 DE69424437T2 (de) 2001-01-04

Family

ID=22526805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424437T Expired - Lifetime DE69424437T2 (de) 1993-11-05 1994-11-07 Verfahren zur verbesserten sicherheit eines crc verschlüsselungssystems

Country Status (7)

Country Link
US (1) US5398284A (de)
EP (1) EP0727118B1 (de)
JP (1) JPH09504885A (de)
CN (1) CN1130453A (de)
DE (1) DE69424437T2 (de)
ES (1) ES2147833T3 (de)
WO (1) WO1995012941A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377270A (en) * 1993-06-30 1994-12-27 United Technologies Automotive, Inc. Cryptographic authentication of transmitted messages using pseudorandom numbers
US5363448A (en) * 1993-06-30 1994-11-08 United Technologies Automotive, Inc. Pseudorandom number generation and cryptographic authentication
US5506905A (en) * 1994-06-10 1996-04-09 Delco Electronics Corp. Authentication method for keyless entry system
US5598476A (en) * 1995-04-20 1997-01-28 United Technologies Automotive, Inc. Random clock composition-based cryptographic authentication process and locking system
ES2255712T3 (es) * 1995-09-05 2006-07-01 Mitsubishi Denki Kabushiki Kaisha Aparato de transformacion de datos y procedimiento de transformacion de datos.
US5696828A (en) * 1995-09-22 1997-12-09 United Technologies Automotive, Inc. Random number generating system and process based on chaos
US5757923A (en) * 1995-09-22 1998-05-26 Ut Automotive Dearborn, Inc. Method of generating secret identification numbers
WO1997044935A1 (en) * 1996-05-20 1997-11-27 Philips Electronics N.V. Cryptographic method and apparatus for non-linearly merging a data block and a key
CN1077751C (zh) * 1997-12-25 2002-01-09 梁堂振 一种模拟信号发射调制加密及接收控制系统
KR100296958B1 (ko) * 1998-05-06 2001-09-22 이석우 블록 데이터 암호화 장치
US6314351B1 (en) 1998-08-10 2001-11-06 Lear Automotive Dearborn, Inc. Auto PC firewall
DE10022422A1 (de) * 2000-05-09 2001-11-15 Bosch Gmbh Robert Verfahren zum Zugriff auf ein Gerät eines Kommunikationsnetzes in einem Kraftfahrzeug durch ein externes Gerät und Gateway
US6766493B1 (en) 2000-12-21 2004-07-20 Cisco Technology, Inc. Method and apparatus for generating and checking cyclic redundancy code (CRC) values using a CRC generator and binary galois field multiplier
US6609225B1 (en) * 2000-12-21 2003-08-19 Cisco Technology, Inc. Method and apparatus for generating and checking cyclic redundancy code (CRC) values using a multi-byte CRC generator on a variable number of bytes
US7017064B2 (en) * 2001-05-09 2006-03-21 Mosaid Technologies, Inc. Calculating apparatus having a plurality of stages
US6832231B1 (en) * 2001-09-28 2004-12-14 Lattice Semiconductor Corp. Multiple width random number generation
US7451326B2 (en) * 2002-08-26 2008-11-11 Mosaid Technologies, Inc. Method and apparatus for processing arbitrary key bit length encryption operations with similar efficiencies
US7386705B2 (en) 2002-08-27 2008-06-10 Mosaid Technologies Inc. Method for allocating processor resources and system for encrypting data
JP4196770B2 (ja) * 2003-07-23 2008-12-17 ソニー株式会社 データ処理方法、データ検査方法
US7183941B2 (en) * 2003-07-30 2007-02-27 Lear Corporation Bus-based appliance remote control
US7161466B2 (en) * 2003-07-30 2007-01-09 Lear Corporation Remote control automatic appliance activation
US7068181B2 (en) * 2003-07-30 2006-06-27 Lear Corporation Programmable appliance remote control
US7039397B2 (en) * 2003-07-30 2006-05-02 Lear Corporation User-assisted programmable appliance control
US7589613B2 (en) * 2006-04-03 2009-09-15 Lear Corporation Trinary to trinary rolling code generation method and system
US8841988B2 (en) * 2007-05-22 2014-09-23 Lear Corporation System having key fob operable to remotely control a garage door via remote keyless entry receiver and garage door opener transmitter interconnected by vehicle bus
CN101374043B (zh) * 2007-08-24 2010-09-22 管海明 密钥协商的方法、加/解密的方法及签名/验证的方法
CA2688592C (en) * 2007-10-01 2014-04-15 Research In Motion Limited Substitution table masking for cryptographic processes
US9009495B2 (en) * 2013-06-28 2015-04-14 Envieta, LLC High speed cryptographic combining system, and method for programmable logic devices
DE102014004378A1 (de) * 2014-03-26 2015-10-01 Giesecke & Devrient Gmbh Speichereffiziente seitenkanalgeschützte Maskierung
CN108599896B (zh) * 2018-03-23 2021-01-26 卡斯柯信号有限公司 一种基于冗余编码系统的crc校验系统及方法
CN115348018B (zh) * 2022-07-26 2023-05-16 陕西洲盾软件科技有限公司 一种数据处理方法、装置及存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7714587L (sv) * 1977-12-21 1979-06-22 Brendstrom Hugo System for meddelanden
US4424414A (en) * 1978-05-01 1984-01-03 Board Of Trustees Of The Leland Stanford Junior University Exponentiation cryptographic apparatus and method
US4797921A (en) * 1984-11-13 1989-01-10 Hitachi, Ltd. System for enciphering or deciphering data
US4771463A (en) * 1986-12-05 1988-09-13 Siemens Transmission Systems, Inc. Digital scrambling without error multiplication
US4876718A (en) * 1987-03-12 1989-10-24 Zenith Electronics Corporation Secure data packet transmission system and method
US5146215A (en) * 1987-09-08 1992-09-08 Clifford Electronics, Inc. Electronically programmable remote control for vehicle security system
US5317639A (en) * 1989-10-04 1994-05-31 Teledyne Industries, Inc. Non-linear block substitution devices derived by constructive corruption
DE69133502T2 (de) * 1990-06-01 2006-09-14 Kabushiki Kaisha Toshiba, Kawasaki Geheimübertragungsverfahren und -gerät
US5060265A (en) * 1990-07-23 1991-10-22 Motorola, Inc. Method of protecting a linear feedback shift register (LFSR) output signal
JPH04213245A (ja) * 1990-12-10 1992-08-04 Sony Corp スクランブル／デスクランブル回路
ATE193606T1 (de) * 1991-03-05 2000-06-15 Canon Kk Rechengerät und verfahren zum verschlüsseln/entschlüsseln von kommunikationsdaten unter verwendung desselben
US5272755A (en) * 1991-06-28 1993-12-21 Matsushita Electric Industrial Co., Ltd. Public key cryptosystem with an elliptic curve
EP0531158B1 (de) * 1991-09-05 1999-08-11 Canon Kabushiki Kaisha Verfahren und Gerät zum Verschlüsseln und Entschlüsseln von Kommunikationsdaten
US5220606A (en) * 1992-02-10 1993-06-15 Harold Greenberg Cryptographic system and method
US5191610A (en) * 1992-02-28 1993-03-02 United Technologies Automotive, Inc. Remote operating system having secure communication of encoded messages and automatic re-synchronization

Also Published As

Publication number Publication date
US5398284A (en) 1995-03-14
EP0727118B1 (de) 2000-05-10
WO1995012941A1 (en) 1995-05-11
JPH09504885A (ja) 1997-05-13
CN1130453A (zh) 1996-09-04
EP0727118A1 (de) 1996-08-21
ES2147833T3 (es) 2000-10-01
DE69424437T2 (de) 2001-01-04

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Legal Events

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8364 No opposition during term of opposition