DE3688676D1 - Verschluesselungs-/entschluesselungssystem. - Google Patents
Verschluesselungs-/entschluesselungssystem.Info
- Publication number
- DE3688676D1 DE3688676D1 DE8686309231T DE3688676T DE3688676D1 DE 3688676 D1 DE3688676 D1 DE 3688676D1 DE 8686309231 T DE8686309231 T DE 8686309231T DE 3688676 T DE3688676 T DE 3688676T DE 3688676 D1 DE3688676 D1 DE 3688676D1
- Authority
- DE
- Germany
- Prior art keywords
- decryling
- encryption
- decryling system
- 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
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
- 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
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60268321A JPH0628354B2 (ja) | 1985-11-30 | 1985-11-30 | 暗号化装置 |
JP60268322A JPH0630495B2 (ja) | 1985-11-30 | 1985-11-30 | 暗号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3688676D1 true DE3688676D1 (de) | 1993-08-12 |
DE3688676T2 DE3688676T2 (de) | 1993-11-04 |
Family
ID=26548266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE86309231T Expired - Fee Related DE3688676T2 (de) | 1985-11-30 | 1986-11-26 | Verschluesselungs-/entschluesselungssystem. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4791669A (de) |
EP (1) | EP0227318B1 (de) |
AU (1) | AU589080B2 (de) |
CA (1) | CA1258305A (de) |
DE (1) | DE3688676T2 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5261070A (en) * | 1986-07-24 | 1993-11-09 | Meiji Milk Product Co., Ltd. | Method and apparatus for forming unique user identification data at remote terminal for secure transmission of data from host terminal |
US4969188A (en) * | 1987-02-17 | 1990-11-06 | Gretag Aktiengesellschaft | Process and apparatus for the protection of secret elements in a network of encrypting devices with open key management |
US5113444A (en) * | 1990-09-05 | 1992-05-12 | Arnold Vobach | Random choice cipher system and method |
JP2862030B2 (ja) * | 1991-06-13 | 1999-02-24 | 三菱電機株式会社 | 暗号化方式 |
US5199074A (en) * | 1992-01-06 | 1993-03-30 | Advanced Micro Devices, Inc. | Encryption system |
US5307412A (en) * | 1992-09-30 | 1994-04-26 | Vobach Arnold R | Random coding cipher system and method |
US5335280A (en) * | 1993-01-28 | 1994-08-02 | Vobach Arnold R | Random sum cipher system and method |
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. |
SE506619C2 (sv) * | 1995-09-27 | 1998-01-19 | Ericsson Telefon Ab L M | Metod för kryptering av information |
US5859912A (en) * | 1996-03-22 | 1999-01-12 | General Electric Company | Digital information privacy system |
JPH10301492A (ja) | 1997-04-23 | 1998-11-13 | Sony Corp | 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法 |
JP4456185B2 (ja) * | 1997-08-29 | 2010-04-28 | 富士通株式会社 | コピー防止機能を持つ見える透かし入り動画像記録媒体とその作成・検出および録画・再生装置 |
SG117471A1 (en) * | 2000-01-14 | 2005-12-29 | Mitsubishi Electric Corp | Method and apparatus for encryption, method and apparatus for decryption, and computer-readable med ium storing program |
US6931128B2 (en) * | 2001-01-16 | 2005-08-16 | Microsoft Corporation | Methods and systems for generating encryption keys using random bit generators |
US8121292B2 (en) * | 2002-02-26 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for scrambling information bits on a channel in a communications system |
JP4199477B2 (ja) * | 2002-04-17 | 2008-12-17 | パナソニック株式会社 | デジタル双方向通信制御装置およびその方法 |
JP3661663B2 (ja) * | 2002-04-19 | 2005-06-15 | 日本電気株式会社 | 乱数生成装置、乱数生成方法、乱数生成プログラムおよびオーディオ復号装置と復号方法 |
US20040025039A1 (en) * | 2002-04-30 | 2004-02-05 | Adam Kuenzi | Lock box security system with improved communication |
US7061367B2 (en) | 2002-04-30 | 2006-06-13 | General Electric Company | Managing access to physical assets |
KR20050032588A (ko) * | 2002-08-08 | 2005-04-07 | 마츠시타 덴끼 산교 가부시키가이샤 | 암호화 복호화장치 및 방법, 암호화장치 및 방법,복호화장치 및 방법, 그리고 송수신장치 |
US8171567B1 (en) | 2002-09-04 | 2012-05-01 | Tracer Detection Technology Corp. | Authentication method and system |
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 |
ATE433164T1 (de) | 2004-03-12 | 2009-06-15 | Ingenia Technology Ltd | Verfahren und vorrichtungen zur erzeugung authentifizierbarer gegenstände und ihrer nachfolgenden überprüfung |
JP4607947B2 (ja) * | 2004-03-12 | 2011-01-05 | インジェニア・ホールディングス・(ユー・ケイ)・リミテッド | 真正性検証の方法、製品および機器 |
JP2006023957A (ja) * | 2004-07-07 | 2006-01-26 | Sony Corp | 半導体集積回路及び情報処理装置 |
GB2417592B (en) | 2004-08-13 | 2006-07-26 | Ingenia Technology Ltd | Authenticity verification of articles |
GB2444139B (en) * | 2004-08-13 | 2008-11-12 | Ingenia Technology Ltd | Authenticity verification methods products and apparatuses |
US7458008B2 (en) * | 2004-12-30 | 2008-11-25 | Freescale Semiconductor, Inc. | Decision voting in a parallel decoder |
US7764792B1 (en) * | 2005-01-13 | 2010-07-27 | Marvell International Ltd. | System and method for encoding data transmitted on a bus |
EP1908027B1 (de) * | 2005-07-27 | 2010-09-29 | Ingenia Holdings Limited | Verifikation der authentizität |
GB2448245B (en) | 2005-12-23 | 2009-11-04 | Ingenia Holdings | Optical authentication |
JP5050454B2 (ja) * | 2006-09-01 | 2012-10-17 | ソニー株式会社 | 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム |
US9670694B2 (en) | 2007-04-12 | 2017-06-06 | Utc Fire & Security Americas Corporation, Inc. | Restricted range lockbox, access device and methods |
US8233622B2 (en) * | 2008-06-18 | 2012-07-31 | International Business Machines Corporation | Transmitting parallel data via high-speed serial interconnection |
GB2466311B (en) | 2008-12-19 | 2010-11-03 | Ingenia Holdings | Self-calibration of a matching algorithm for determining authenticity |
GB2466465B (en) | 2008-12-19 | 2011-02-16 | Ingenia Holdings | Authentication |
GB2476226B (en) | 2009-11-10 | 2012-03-28 | Ingenia Holdings Ltd | Optimisation |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614316A (en) * | 1964-05-20 | 1971-10-19 | Us Navy | Secure communication system |
CH411030A (de) * | 1964-08-06 | 1966-04-15 | Patelhold Patentverwertung | Einrichtung zur Verschlüsselung einer impulsförmigen Nachricht |
CH516854A (de) * | 1969-11-29 | 1971-12-15 | Ciba Geigy Ag | Verfahren und Vorrichtung zur chiffrierten Übermittlung von Informationen |
CH530742A (de) * | 1970-08-24 | 1972-11-15 | Ciba Geigy Ag | Vorrichtung zur Erzeugung von Schlüsselimpulsfolgen |
US3852534A (en) * | 1973-06-07 | 1974-12-03 | Us Army | Method and apparatus for synchronizing pseudorandom coded data sequences |
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. |
SE385644B (sv) * | 1974-10-17 | 1976-07-12 | Ericsson Telefon Ab L M | Anordning vid kryptering och dekryptering av meddelanden |
US3950616A (en) * | 1975-04-08 | 1976-04-13 | Bell Telephone Laboratories, Incorporated | Alignment of bytes in a digital data bit stream |
US4133974A (en) * | 1976-11-05 | 1979-01-09 | Datotek, Inc. | System for locally enciphering prime data |
DE2706421C2 (de) * | 1977-02-16 | 1979-03-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten |
US4172213A (en) * | 1977-11-17 | 1979-10-23 | Burroughs Corporation | Byte stream selective encryption/decryption device |
JPS54129901A (en) * | 1978-03-31 | 1979-10-08 | Toshiba Corp | Secret communication system |
NL183862C (nl) * | 1980-02-04 | 1989-02-01 | Philips Nv | Telecommunicatiestelsel met gecodeerde berichtoverdracht. |
US4447672A (en) * | 1980-10-06 | 1984-05-08 | Nippon Electric Co., Ltd. | Device for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bits |
US4450321A (en) * | 1981-12-08 | 1984-05-22 | Quigley William D | Circuit for producing noise generation for sound masking |
JPS6020660A (ja) * | 1983-07-14 | 1985-02-01 | Sharp Corp | 符号化情報のランダム化方式 |
GB2151886A (en) * | 1983-12-21 | 1985-07-24 | British Broadcasting Corp | Conditional-access broadcast transmission |
EP0152251A3 (de) * | 1984-02-07 | 1986-07-30 | Communications Patents Limited | Rundfunksystem |
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 |
AU580769B2 (en) * | 1984-05-05 | 1989-02-02 | British Encryption Technology Limited | Communications system |
-
1986
- 1986-11-24 US US06/934,408 patent/US4791669A/en not_active Expired - Lifetime
- 1986-11-26 DE DE86309231T patent/DE3688676T2/de not_active Expired - Fee Related
- 1986-11-26 EP EP86309231A patent/EP0227318B1/de not_active Expired - Lifetime
- 1986-11-27 CA CA000523939A patent/CA1258305A/en not_active Expired
- 1986-11-28 AU AU65808/86A patent/AU589080B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4791669A (en) | 1988-12-13 |
EP0227318B1 (de) | 1993-07-07 |
EP0227318A3 (en) | 1989-02-22 |
AU589080B2 (en) | 1989-09-28 |
CA1258305A (en) | 1989-08-08 |
EP0227318A2 (de) | 1987-07-01 |
AU6580886A (en) | 1987-06-04 |
DE3688676T2 (de) | 1993-11-04 |
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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 |