DE3687235D1 - Einrichtung zur verschluesselung und zur entschluesselung. - Google Patents

Einrichtung zur verschluesselung und zur entschluesselung.

Info

Publication number
DE3687235D1
DE3687235D1 DE8686903695T DE3687235T DE3687235D1 DE 3687235 D1 DE3687235 D1 DE 3687235D1 DE 8686903695 T DE8686903695 T DE 8686903695T DE 3687235 T DE3687235 T DE 3687235T DE 3687235 D1 DE3687235 D1 DE 3687235D1
Authority
DE
Germany
Prior art keywords
multiplexer
grid
bit
input
inputs
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 - Fee Related
Application number
DE8686903695T
Other languages
English (en)
Other versions
DE3687235T2 (de
Inventor
Stefan Santesson
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.)
SECURICRYPTO AB
Original Assignee
SECURICRYPTO AB
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 SECURICRYPTO AB filed Critical SECURICRYPTO AB
Priority claimed from PCT/SE1986/000275 external-priority patent/WO1987007796A1/en
Application granted granted Critical
Publication of DE3687235D1 publication Critical patent/DE3687235D1/de
Publication of DE3687235T2 publication Critical patent/DE3687235T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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)
  • Jib Cranes (AREA)
  • Soil Working Implements (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
DE8686903695T 1986-06-09 1986-06-09 Einrichtung zur verschluesselung und zur entschluesselung. Expired - Fee Related DE3687235T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1986/000275 WO1987007796A1 (en) 1984-12-10 1986-06-09 Ciphering and deciphering device

Publications (2)

Publication Number Publication Date
DE3687235D1 true DE3687235D1 (de) 1993-01-14
DE3687235T2 DE3687235T2 (de) 1993-08-12

Family

ID=20363182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686903695T Expired - Fee Related DE3687235T2 (de) 1986-06-09 1986-06-09 Einrichtung zur verschluesselung und zur entschluesselung.

Country Status (8)

Country Link
US (1) US4972481A (de)
EP (1) EP0309447B1 (de)
JP (1) JPH01503028A (de)
AT (1) ATE83106T1 (de)
DE (1) DE3687235T2 (de)
DK (1) DK60488D0 (de)
FI (1) FI885698A (de)
NO (1) NO880545L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04346127A (ja) 1991-05-23 1992-12-02 Sony Corp 電子装置
NL9102157A (nl) * 1991-12-20 1993-07-16 Nederland Ptt Systeem voor het met een eerste codeerapparaat coderen van aangeboden data en voor het met een tweede codeerapparaat decoderen van gecodeerde data, en codeerapparaat voor toepassing in het systeem.
US5623665A (en) * 1992-01-13 1997-04-22 Sony Corporation Electronic apparatus for patching a read-only memory
JP3230262B2 (ja) * 1992-01-24 2001-11-19 ソニー株式会社 電子装置及びその固定情報修正方法
JP3810805B2 (ja) * 1992-09-19 2006-08-16 ソニー株式会社 情報修正システム
JP3284614B2 (ja) * 1992-09-19 2002-05-20 ソニー株式会社 電子装置
NL9400428A (nl) * 1994-03-18 1995-11-01 Nederland Ptt Inrichting voor het cryptografisch bewerken van datapakketten, alsmede werkwijze voor het genereren van cryptografische bewerkingsdata.
US6922472B2 (en) * 2000-05-05 2005-07-26 Teleputers, Llc Method and system for performing permutations using permutation instructions based on butterfly networks
WO2001089098A2 (en) 2000-05-05 2001-11-22 Lee Ruby B A method and system for performing permutations with bit permutation instructions
US6952478B2 (en) * 2000-05-05 2005-10-04 Teleputers, Llc Method and system for performing permutations using permutation instructions based on modified omega and flip stages
CN100428666C (zh) * 2002-12-16 2008-10-22 中国电子科技集团公司第三十研究所 一种密码芯片密钥快速更换方法
JP4492248B2 (ja) * 2004-08-04 2010-06-30 富士ゼロックス株式会社 ネットワークシステム、内部サーバ、端末装置、プログラム、およびパケット中継方法
CN100546239C (zh) * 2006-01-24 2009-09-30 马恒利 应用密文图技术对数据进行加密的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404426A (en) * 1962-05-23 1983-09-13 American Standard Inc. Cryptographic telegraphy programming system
US4176247A (en) * 1973-10-10 1979-11-27 Sperry Rand Corporation Signal scrambler-unscrambler for binary coded transmission system
SE380696B (sv) * 1974-03-20 1975-11-10 Philips Svenska Ab Sett att alstra en pseudoslumpbitfoljd och anordning for utforande av settet.
US4133974A (en) * 1976-11-05 1979-01-09 Datotek, Inc. System for locally enciphering prime data
FR2467515A1 (fr) * 1979-10-10 1981-04-17 Telediffusion Fse Systeme de chiffrement et de dechiffrement d'un signal numerique
US4596898A (en) * 1984-03-14 1986-06-24 Computer Security Systems, Inc. Method and apparatus for protecting stored and transmitted data from compromise or interception
US4742544A (en) * 1984-07-09 1988-05-03 Kupnicki Richard A Television transmission network with scrambling and descrambling
US4817148A (en) * 1987-07-06 1989-03-28 Wegener Communications, Inc. Signal scrambling transmission system

Also Published As

Publication number Publication date
NO880545D0 (no) 1988-02-08
EP0309447A1 (de) 1989-04-05
FI885698A0 (fi) 1988-12-08
ATE83106T1 (de) 1992-12-15
DK60488A (da) 1988-02-05
DK60488D0 (da) 1988-02-05
NO880545L (no) 1988-02-08
FI885698A (fi) 1988-12-08
EP0309447B1 (de) 1992-12-02
US4972481A (en) 1990-11-20
JPH01503028A (ja) 1989-10-12
DE3687235T2 (de) 1993-08-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee