DK60488D0 - Chifrerings- og dechifreringsandordning - Google Patents

Chifrerings- og dechifreringsandordning

Info

Publication number: DK60488D0
Authority: DK; Denmark
Prior art keywords: code; ciphered; bit sequence; ciphering; input
Prior art date: 1986-06-09

Application number

DK060488A

Other languages

English (en)

Other versions

DK60488A (da

Inventor

Stefan Santesson

Original Assignee

Datakonsult I Malmoe 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.)

1986-06-09

Filing date

1988-02-05

Publication date

1988-02-05

1986-06-09 Priority claimed from PCT/SE1986/000275 external-priority patent/WO1987007796A1/en

1988-02-05 Application filed by Datakonsult I Malmoe Ab filed Critical Datakonsult I Malmoe Ab

1988-02-05 Publication of DK60488D0 publication Critical patent/DK60488D0/da

1988-02-05 Publication of DK60488A publication Critical patent/DK60488A/da

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)
Lock And Its Accessories (AREA)
Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Coin-Freed Apparatuses For Hiring Articles (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)

DK060488A 1986-06-09 1988-02-05 Chifrerings- og dechifreringsandordning DK60488A (da)

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
DK60488D0 true DK60488D0 (da)	1988-02-05
DK60488A DK60488A (da)	1988-02-05

Family

ID=20363182

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK060488A DK60488A (da)	1986-06-09	1988-02-05	Chifrerings- og dechifreringsandordning

Country Status (8)

Country	Link
US (1)	US4972481A (da)
EP (1)	EP0309447B1 (da)
JP (1)	JPH01503028A (da)
AT (1)	ATE83106T1 (da)
DE (1)	DE3687235T2 (da)
DK (1)	DK60488A (da)
FI (1)	FI885698A0 (da)
NO (1)	NO880545D0 (da)

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.
AU2001286383A1 (en) *	2000-05-05	2001-11-26	Ruby B. Lee	A method and system for performing permutations with bit permutation instructions
US6922472B2 (en)	2000-05-05	2005-07-26	Teleputers, Llc	Method and system for performing permutations using permutation instructions based on butterfly networks
CA2375058A1 (en) *	2000-05-05	2001-11-22	Ruby B. Lee	A 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

1986
- 1986-06-09 EP EP86903695A patent/EP0309447B1/en not_active Expired - Lifetime
- 1986-06-09 JP JP61503445A patent/JPH01503028A/ja active Pending
- 1986-06-09 AT AT86903695T patent/ATE83106T1/de not_active IP Right Cessation
- 1986-06-09 US US07/285,970 patent/US4972481A/en not_active Expired - Fee Related
- 1986-06-09 DE DE8686903695T patent/DE3687235T2/de not_active Expired - Fee Related
1988
- 1988-02-05 DK DK060488A patent/DK60488A/da not_active Application Discontinuation
- 1988-02-08 NO NO1988880545A patent/NO880545D0/no unknown
- 1988-12-08 FI FI885698A patent/FI885698A0/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE3687235D1 (de)	1993-01-14
US4972481A (en)	1990-11-20
DE3687235T2 (de)	1993-08-12
NO880545L (no)	1988-02-08
EP0309447A1 (en)	1989-04-05
FI885698A7 (fi)	1988-12-08
NO880545D0 (no)	1988-02-08
ATE83106T1 (de)	1992-12-15
EP0309447B1 (en)	1992-12-02
FI885698A0 (fi)	1988-12-08
JPH01503028A (ja)	1989-10-12
DK60488A (da)	1988-02-05

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Legal Events

Date	Code	Title	Description
1995-02-27	AHB	Application shelved due to non-payment