DE69940957D1 - Vorrichtung und verfahren zur blockverschlüsselung - Google Patents

Vorrichtung und verfahren zur blockverschlüsselung

Info

Publication number
DE69940957D1
DE69940957D1 DE69940957T DE69940957T DE69940957D1 DE 69940957 D1 DE69940957 D1 DE 69940957D1 DE 69940957 T DE69940957 T DE 69940957T DE 69940957 T DE69940957 T DE 69940957T DE 69940957 D1 DE69940957 D1 DE 69940957D1
Authority
DE
Germany
Prior art keywords
block encryption
encryption
block
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
DE69940957T
Other languages
English (en)
Inventor
George Bilchev
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69940957D1 publication Critical patent/DE69940957D1/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE69940957T 1998-11-23 1999-11-23 Vorrichtung und verfahren zur blockverschlüsselung Expired - Lifetime DE69940957D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9825644.9A GB9825644D0 (en) 1998-11-23 1998-11-23 A cipher
PCT/GB1999/003891 WO2000031916A1 (en) 1998-11-23 1999-11-23 A cipher

Publications (1)

Publication Number Publication Date
DE69940957D1 true DE69940957D1 (de) 2009-07-16

Family

ID=10842898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940957T Expired - Lifetime DE69940957D1 (de) 1998-11-23 1999-11-23 Vorrichtung und verfahren zur blockverschlüsselung

Country Status (6)

Country Link
US (1) US7076060B1 (de)
EP (1) EP1133850B1 (de)
CA (1) CA2352219A1 (de)
DE (1) DE69940957D1 (de)
GB (1) GB9825644D0 (de)
WO (1) WO2000031916A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7382878B2 (en) * 2001-06-22 2008-06-03 Uponus Technologies, Llc System and method for data encryption
GB2379587B (en) * 2001-09-10 2003-08-20 Simon Alan Spacey A method and apparatus for securing electronic information
JP2004171367A (ja) * 2002-11-21 2004-06-17 Matsushita Electric Ind Co Ltd 回路動作シミュレーション装置、回路動作シミュレーション方法、回路動作シミュレーションプログラム、および回路情報復号化プログラム
US20040156504A1 (en) * 2002-12-16 2004-08-12 Mo Shaomin Samuel Method and apparatus reducing discrete components of repetitive ultra wideband signals
DE10345378B4 (de) * 2003-09-30 2010-08-12 Infineon Technologies Ag Verfahren und Vorrichtung zur Ver-/Entschlüsselung
US8036385B2 (en) * 2004-06-09 2011-10-11 Research In Motion Limited Apparatus and method for applying ciphering in a universal mobile telecommunications system
US7260218B2 (en) * 2005-11-08 2007-08-21 M2000 Configurable circuit with configuration data protection features
EP2674891A1 (de) 2012-06-12 2013-12-18 Thomson Licensing Verfahren, Vorrichtung und Computerprogrammproduktunterstützung zur Ausführung eines verschlüsselten Computercodes
CH712947B1 (fr) * 2016-09-23 2021-01-29 Vidoni Pierino Dispositif et méthode de sécurisation de transmission de données entre un émetteur et un récepteur.
KR102664551B1 (ko) * 2017-12-18 2024-05-09 유니버시티 오브 센트럴 플로리다 리서치 파운데이션, 인코포레이티드 퍼블릭 컴퓨터에서 암호화된 데이터로 작동하는 코드를 안전하게 실행하는 기술

Family Cites Families (6)

* 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
US4520232A (en) * 1982-04-30 1985-05-28 Wilson William J Polygraphic encryption-decryption system
NL8602847A (nl) 1986-11-11 1988-06-01 Philips Nv Werkwijze voor het vercijferen/ontcijferen en inrichting voor het uitvoeren van de werkwijze.
JPS63278438A (ja) 1987-05-11 1988-11-16 Hitachi Ltd 暗号手順非公開による暗号システム
US4914697A (en) 1988-02-01 1990-04-03 Motorola, Inc. Cryptographic method and apparatus with electronically redefinable algorithm
JPH05102960A (ja) 1991-10-04 1993-04-23 Nec Corp 暗号通信方式

Also Published As

Publication number Publication date
EP1133850A1 (de) 2001-09-19
CA2352219A1 (en) 2000-06-02
GB9825644D0 (en) 1999-01-13
EP1133850B1 (de) 2009-06-03
US7076060B1 (en) 2006-07-11
WO2000031916A1 (en) 2000-06-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition