DE69911815D1 - Selbstkorrigierendes verschleierungs-und verschlüsselungssystem und verfahren - Google Patents

Selbstkorrigierendes verschleierungs-und verschlüsselungssystem und verfahren

Info

Publication number
DE69911815D1
DE69911815D1 DE69911815T DE69911815T DE69911815D1 DE 69911815 D1 DE69911815 D1 DE 69911815D1 DE 69911815 T DE69911815 T DE 69911815T DE 69911815 T DE69911815 T DE 69911815T DE 69911815 D1 DE69911815 D1 DE 69911815D1
Authority
DE
Germany
Prior art keywords
sequence
control block
randomised
supplied
random
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
DE69911815T
Other languages
English (en)
Other versions
DE69911815T2 (de
Inventor
Herrero Angel Jose Ferre
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.)
ETECHNAF, S.L., SANT CARLES DE LA RAPITA, ES
Original Assignee
Herrero Angel Jose Ferre
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 Herrero Angel Jose Ferre filed Critical Herrero Angel Jose Ferre
Application granted granted Critical
Publication of DE69911815D1 publication Critical patent/DE69911815D1/de
Publication of DE69911815T2 publication Critical patent/DE69911815T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08Randomization, e.g. dummy operations or using noise
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/26Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm
DE69911815T 1999-05-18 1999-10-27 Selbstkorrigierendes zufallsverschlüsselungssystem und -verfahren Expired - Lifetime DE69911815T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9901142 1999-05-18
ES9901142 1999-05-18
PCT/ES1999/000345 WO2000008907A2 (es) 1999-05-18 1999-10-27 Sistema y metodo aleatorizador-encriptador autocorrector

Publications (2)

Publication Number Publication Date
DE69911815D1 true DE69911815D1 (de) 2003-11-06
DE69911815T2 DE69911815T2 (de) 2004-09-23

Family

ID=8308575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69911815T Expired - Lifetime DE69911815T2 (de) 1999-05-18 1999-10-27 Selbstkorrigierendes zufallsverschlüsselungssystem und -verfahren

Country Status (7)

Country Link
US (1) US7508945B1 (de)
EP (1) EP1182777B1 (de)
AT (1) ATE251365T1 (de)
AU (1) AU1046800A (de)
DE (1) DE69911815T2 (de)
ES (1) ES2209521T3 (de)
WO (1) WO2000008907A2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1605349A4 (de) * 2003-03-13 2008-02-20 Leisure Electronics Technology Verfahren zum prüfen von zufallszahlen und zufallszahlenprüfer
JP3761557B2 (ja) * 2004-04-08 2006-03-29 株式会社日立製作所 暗号化通信のための鍵配付方法及びシステム
GB2446199A (en) 2006-12-01 2008-08-06 David Irvine Secure, decentralised and anonymous peer-to-peer network
JP5519646B2 (ja) * 2008-06-02 2014-06-11 ポリバロー リミテッド パートナーシップ ファイルの存在検出とモニタリング
US8341724B1 (en) * 2008-12-19 2012-12-25 Juniper Networks, Inc. Blocking unidentified encrypted communication sessions
US8130949B2 (en) * 2009-03-20 2012-03-06 Cisco Technology, Inc. Partially reversible key obfuscation
CN101888282B (zh) * 2010-04-22 2012-11-14 北京邮电大学 一种基于随机性分析的数据加密功能的检验方法
CN103427987B (zh) * 2012-05-25 2016-05-18 纬创资通股份有限公司 数据加密的方法、数据验证方法及电子装置
US20210168131A1 (en) * 2013-05-14 2021-06-03 Kara Partners Llc Systems and methods for variable-length encoding and decoding for enhancing computer systems
US9213653B2 (en) 2013-12-05 2015-12-15 Intel Corporation Memory integrity
US9258117B1 (en) 2014-06-26 2016-02-09 Amazon Technologies, Inc. Mutual authentication with symmetric secrets and signatures
US10142301B1 (en) * 2014-09-17 2018-11-27 Amazon Technologies, Inc. Encrypted data delivery without intervening decryption
US10122692B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Handshake offload
US10122689B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Load balancing with handshake offload
CN106652151B (zh) * 2015-11-03 2019-01-04 彩富宝科技(北京)有限公司 随机性检测方法和装置
US10594491B2 (en) * 2015-12-24 2020-03-17 Intel Corporation Cryptographic system memory management
US9990249B2 (en) * 2015-12-24 2018-06-05 Intel Corporation Memory integrity with error detection and correction
JP6918582B2 (ja) * 2017-06-02 2021-08-11 パナソニック株式会社 乱数性検証システム及び乱数性検証方法
CN109460807A (zh) * 2019-01-11 2019-03-12 中煤航测遥感集团有限公司 二维码的生成方法、识别方法、生成装置及识别装置
US11151275B2 (en) * 2019-04-05 2021-10-19 International Business Machines Corporation Randomness detection in network data

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658065A1 (de) 1976-12-22 1978-07-06 Ibm Deutschland Maschinelles chiffrieren und dechiffrieren
US4850019A (en) 1985-11-08 1989-07-18 Nippon Telegraph And Telephone Corporation Data randomization equipment
US4853884A (en) * 1987-09-11 1989-08-01 Motorola, Inc. Random number generator with digital feedback
EP0482154B1 (de) * 1990-05-18 1993-06-30 Ascom Tech Ag Vorrichtung für das umwandeln eines digitalblockes und verwendung derselben
US5220606A (en) * 1992-02-10 1993-06-15 Harold Greenberg Cryptographic system and method
US5608800A (en) * 1992-04-09 1997-03-04 Siemens Aktiengesellschaft Process for detecting unauthorized introduction of any data transmitted by a transmitter to a receiver
DE69322376T2 (de) * 1993-05-05 1999-05-06 Zunquan Liu Einrichtung und Verfahren zur Datenverschlüsselung
GB2288519A (en) * 1994-04-05 1995-10-18 Ibm Data encryption
US5724428A (en) 1995-11-01 1998-03-03 Rsa Data Security, Inc. Block encryption algorithm with data-dependent rotations
US5675653A (en) 1995-11-06 1997-10-07 Nelson, Jr.; Douglas Valmore Method and apparatus for digital encryption
US6490680B1 (en) * 1997-12-04 2002-12-03 Tecsec Incorporated Access control and authorization system
US6128737A (en) * 1998-04-20 2000-10-03 Microsoft Corporation Method and apparatus for producing a message authentication code in a cipher block chaining operation by using linear combinations of an encryption key
US6195433B1 (en) * 1998-05-08 2001-02-27 Certicom Corp. Private key validity and validation

Also Published As

Publication number Publication date
DE69911815T2 (de) 2004-09-23
WO2000008907A3 (es) 2000-06-08
US7508945B1 (en) 2009-03-24
ES2209521T3 (es) 2004-06-16
AU1046800A (en) 2000-03-06
WO2000008907A2 (es) 2000-02-24
ATE251365T1 (de) 2003-10-15
EP1182777B1 (de) 2003-10-01
EP1182777A2 (de) 2002-02-27

Similar Documents

Publication Publication Date Title
DE69911815D1 (de) Selbstkorrigierendes verschleierungs-und verschlüsselungssystem und verfahren
WO2001091366A3 (en) Cryptographic communications using pseudo-randomly generated cryptography keys
DE69939254D1 (de) Kryptografisches Gerät und Verfahren
DE59108715D1 (de) Zufallszahlengenerator
ES2050860T3 (es) Un metodo y aparato nuevos para identificacion de usuario y control de acceso en base a nucleos permutados.
NO910658D0 (no) Kryptografisk anordning for blokkvis omkodning basert paa psudotilfeldige ulineaere sekvenser.
DK1686720T3 (da) Blokkrypteringsanordning og blokkrypteringsfremgangsmåde, der indbefatter planlægning af en nögle med variabel længde
ATE328420T1 (de) Vorrichtung und protokoll zum authentifizieren eines verbrauchsgegenstandes
GB0013349D0 (en) Pseudo-random number generator
DE69229766T2 (de) Verfahren und Gerät zum Verschlüsseln und Entschlüsseln von Kommunikationsdaten
BR0003884A (pt) Método de criptografia, aparelho de criptografia, método de decriptografia e aparelho de decriptografia
EP1257082A3 (de) Computerbenutzbares Erzeugnis zur Erzeugung einer Datenverschlüsselungs/entschlüsselungsvorrichtung
ATE309586T1 (de) Verfahren und vorrichtung zur symmetrischen schlüsselerzeugung in einer persönlichen sicherheitsvorrichtung mit begrenzten vertrauensbeziehungen
GB2399904B (en) Side channel attack prevention in data processing apparatus
EP0896451A3 (de) Verschlüsselungsvorrichtung und rechnerlesbares Aufzeichnungsmedium mit Ausführungsprogramm
EP1437856A4 (de) Steuersystem und verfahren für elektronische einrichtungen und elektronische einrichtung und steuervorrichtung
ATE403272T1 (de) Verfahren und elektrische vorrichtung für die leistungsfähige generierung von mehrfachraten- pseudozufallsfolgen
ATE377881T1 (de) Netzwerkgerät, system und verfahren zur authentifizierung
KR100198451B1 (ko) 비선형 함수를 이용한 의사 난수 발생방법 및장치
KR100497130B1 (ko) 이진코드정보의암호화방법
ATE309654T1 (de) Verfahren und vorrichtungen zur erzeugung einer schlüsselsequenz
JP2005204128A (ja) 個別鍵生成装置及びプログラム
Sharma et al. Optical theremin based true Random Number Generation (TRNG) system
JP2000151580A (ja) ディジタルブロック暗号
EP1505763A4 (de) Verschlüsselungseinrichtung und entschlüsselungseinrichtung

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ETECHNAF, S.L., SANT CARLES DE LA RAPITA, ES

8364 No opposition during term of opposition