ATE403992T1 - Kryptografisches gerät und verfahren - Google Patents

Kryptografisches gerät und verfahren

Info

Publication number
ATE403992T1
ATE403992T1 AT99304886T AT99304886T ATE403992T1 AT E403992 T1 ATE403992 T1 AT E403992T1 AT 99304886 T AT99304886 T AT 99304886T AT 99304886 T AT99304886 T AT 99304886T AT E403992 T1 ATE403992 T1 AT E403992T1
Authority
AT
Austria
Prior art keywords
sequence
successive
block
pseudo
blocks
Prior art date
Application number
AT99304886T
Other languages
English (en)
Inventor
Soichi Furuya
Michael Roe
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of ATE403992T1 publication Critical patent/ATE403992T1/de

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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption
AT99304886T 1999-06-22 1999-06-22 Kryptografisches gerät und verfahren ATE403992T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99304886A EP1063811B1 (de) 1999-06-22 1999-06-22 Kryptografisches Gerät und Verfahren

Publications (1)

Publication Number Publication Date
ATE403992T1 true ATE403992T1 (de) 2008-08-15

Family

ID=8241469

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99304886T ATE403992T1 (de) 1999-06-22 1999-06-22 Kryptografisches gerät und verfahren

Country Status (5)

Country Link
US (1) US7177424B1 (de)
EP (1) EP1063811B1 (de)
JP (1) JP3901909B2 (de)
AT (1) ATE403992T1 (de)
DE (1) DE69939254D1 (de)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6950522B1 (en) * 2000-06-15 2005-09-27 Microsoft Corporation Encryption key updating for multiple site automated login
JP5068398B2 (ja) * 2000-08-17 2012-11-07 Ｎｅｃディスプレイソリューションズ株式会社 受信機及びコンテンツの配信方法
US6963976B1 (en) * 2000-11-03 2005-11-08 International Business Machines Corporation Symmetric key authenticated encryption schemes
US7277543B1 (en) * 2000-11-14 2007-10-02 Honeywell International Inc. Cryptographic combiner using two sequential non-associative operations
US7170997B2 (en) 2000-12-07 2007-01-30 Cryptico A/S Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data
US7383329B2 (en) 2001-02-13 2008-06-03 Aventail, Llc Distributed cache for state transfer operations
US7360075B2 (en) 2001-02-12 2008-04-15 Aventail Corporation, A Wholly Owned Subsidiary Of Sonicwall, Inc. Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
US7353380B2 (en) * 2001-02-12 2008-04-01 Aventail, Llc, A Subsidiary Of Sonicwall, Inc. Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
US8121296B2 (en) 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US8077679B2 (en) 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
JP2004531937A (ja) * 2001-03-28 2004-10-14 クゥアルコム・インコーポレイテッド 通信システムにおけるポイント・ツー・マルチポイントサービスのチャネル管理のための方法および装置
AU2001244712B2 (en) * 2001-04-03 2005-03-24 Mitsubishi Denki Kabushiki Kaisha Encrypting device
AU2002254548A1 (en) 2001-04-07 2002-10-21 Telehublink Coporation Methods and systems for securing information communicated between communication devices
GB0116016D0 (en) * 2001-06-29 2001-08-22 Simoco Digital Systems Ltd Communications systems
US8077861B2 (en) 2004-08-12 2011-12-13 Cmla, Llc Permutation data transform to enhance security
US7577250B2 (en) 2004-08-12 2009-08-18 Cmla, Llc Key derivation functions to enhance security
US7200227B2 (en) * 2001-07-30 2007-04-03 Phillip Rogaway Method and apparatus for facilitating efficient authenticated encryption
US7185362B2 (en) * 2001-08-20 2007-02-27 Qualcomm, Incorporated Method and apparatus for security in a data processing system
US20040120527A1 (en) * 2001-08-20 2004-06-24 Hawkes Philip Michael Method and apparatus for security in a data processing system
GB2379587B (en) * 2001-09-10 2003-08-20 Simon Alan Spacey A method and apparatus for securing electronic information
US7697523B2 (en) * 2001-10-03 2010-04-13 Qualcomm Incorporated Method and apparatus for data packet transport in a wireless communication system using an internet protocol
US7352868B2 (en) 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
GB2374260B (en) * 2001-10-12 2003-08-13 F Secure Oyj Data encryption
US7649829B2 (en) 2001-10-12 2010-01-19 Qualcomm Incorporated Method and system for reduction of decoding complexity in a communication system
US20040086117A1 (en) * 2002-06-06 2004-05-06 Petersen Mette Vesterager Methods for improving unpredictability of output of pseudo-random number generators
KR100442354B1 (ko) * 2002-10-07 2004-07-30 엘지전자 주식회사 Ｒｃ4방식의 암호화 장치 및 방법
US7246231B2 (en) * 2002-10-31 2007-07-17 Ntt Docomo, Inc. Location privacy through IP address space scrambling
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
FR2853175B1 (fr) * 2003-03-28 2005-06-17 Everbee Networks Procede et systeme de cryptage
US8098818B2 (en) 2003-07-07 2012-01-17 Qualcomm Incorporated Secure registration for a multicast-broadcast-multimedia system (MBMS)
US8718279B2 (en) 2003-07-08 2014-05-06 Qualcomm Incorporated Apparatus and method for a secure broadcast system
US8724803B2 (en) 2003-09-02 2014-05-13 Qualcomm Incorporated Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
US20070110229A1 (en) * 2004-02-25 2007-05-17 Ternarylogic, Llc Ternary and Multi-Value Digital Signal Scramblers, Descramblers and Sequence of Generators
US7505589B2 (en) * 2003-09-09 2009-03-17 Temarylogic, Llc Ternary and higher multi-value digital scramblers/descramblers
US20110064214A1 (en) * 2003-09-09 2011-03-17 Ternarylogic Llc Methods and Apparatus in Alternate Finite Field Based Coders and Decoders
US8577026B2 (en) 2010-12-29 2013-11-05 Ternarylogic Llc Methods and apparatus in alternate finite field based coders and decoders
JP2007506392A (ja) * 2003-09-22 2007-03-15 イムプシス ディジタル セキュリティ アクチボラゲット データ通信機密保護の仕組みおよび方法
US20050213751A1 (en) * 2004-03-26 2005-09-29 Apostolopoulos John J Methods and systems for generating transcodable encrypted content
US8639947B2 (en) * 2004-06-01 2014-01-28 Ben Gurion University Of The Negev Research And Development Authority Structure preserving database encryption method and system
US7461268B2 (en) * 2004-07-15 2008-12-02 International Business Machines Corporation E-fuses for storing security version data
KR101187854B1 (ko) * 2004-08-12 2012-10-08 씨엠엘에이 엘엘씨 보안성을 향상시키는 순열 데이터 변환
WO2006022058A1 (ja) * 2004-08-26 2006-03-02 Nec Corporation 暗号文生成装置、平文復元装置
DE102004052101B4 (de) * 2004-10-26 2009-01-15 Comvenient Gmbh & Co. Kg Verfahren und Vorrichtung zur Entschlüsselung breitbandiger Daten
JP4643978B2 (ja) * 2004-12-01 2011-03-02 ルネサスエレクトロニクス株式会社 スクランブル回路、デ・スクランブル回路及び方法、並びにディスク装置
EP1679820A1 (de) 2005-01-11 2006-07-12 Samsung Electronics Co.,Ltd. Vorrichtung und Verfahren für Verschlüsselung/Entschüsselung eines Signals in einem Kommunikationssystem
US7725779B2 (en) * 2005-01-25 2010-05-25 Ternarylogic Llc Multi-valued scrambling and descrambling of digital data on optical disks and other storage media
WO2006085283A1 (en) * 2005-02-09 2006-08-17 Koninklijke Philips Electronics N.V. High speed encryption and decryption
FR2887715A1 (fr) * 2005-06-28 2006-12-29 Univ Grenoble 1 Procede de codage de messages
US7624428B2 (en) * 2005-06-30 2009-11-24 Intel Corporation Apparatus and method for platform-independent identity manageability
US20070005966A1 (en) * 2005-06-30 2007-01-04 Selim Aissi Derivation of a shared keystream from a shared secret
JP2007036364A (ja) * 2005-07-22 2007-02-08 Nec Corp タイム装置、暗号化装置、復号化装置、暗号化／復号化システム
US7602906B2 (en) * 2005-08-25 2009-10-13 Microsoft Corporation Cipher for disk encryption
WO2007043014A1 (en) * 2005-10-13 2007-04-19 Koninklijke Philips Electronics N.V. Method of encrypted communication using a keystream
WO2007043002A2 (en) * 2005-10-14 2007-04-19 Koninklijke Philips Electronics N.V. Improved security system
US7769165B2 (en) * 2005-10-14 2010-08-03 Microsoft Corporation Semi-public white-box cipher
US7681050B2 (en) 2005-12-01 2010-03-16 Telefonaktiebolaget L M Ericsson (Publ) Secure and replay protected memory storage
WO2007069236A2 (en) * 2005-12-14 2007-06-21 Nds Limited Method and system for usage of block cipher encryption
JP5131187B2 (ja) * 2006-03-14 2013-01-30 日本電気株式会社 情報処理システム、情報処理方法および情報処理プログラム
JP5060081B2 (ja) 2006-08-09 2012-10-31 富士通株式会社 フレームを暗号化して中継する中継装置
US20080044012A1 (en) * 2006-08-15 2008-02-21 Nokia Corporation Reducing Security Protocol Overhead In Low Data Rate Applications Over A Wireless Link
JP4912797B2 (ja) * 2006-08-30 2012-04-11 三菱電機株式会社 暗号装置及び復号装置及び暗号方法及び復号方法及びプログラム
JP5023767B2 (ja) * 2006-09-26 2012-09-12 パナソニック株式会社 セキュア通信システム及びセキュア通信方法
JP2008104040A (ja) * 2006-10-20 2008-05-01 Fujitsu Ltd 共通鍵生成装置および共通鍵生成方法
JP4860708B2 (ja) * 2006-12-27 2012-01-25 富士通株式会社 ストリーム暗号方法および暗号システム
US8744076B2 (en) * 2007-04-04 2014-06-03 Oracle International Corporation Method and apparatus for encrypting data to facilitate resource savings and tamper detection
GB0711711D0 (en) * 2007-06-15 2007-07-25 Ibm Method and system for encryption of blocks of data
US8112065B2 (en) * 2007-07-26 2012-02-07 Sungkyunkwan University Foundation For Corporate Collaboration Mobile authentication through strengthened mutual authentication and handover security
US7916863B2 (en) 2007-11-30 2011-03-29 Hewlett-Packard Development Company, L.P. Security printing method and system for enhancing security printing
WO2009078217A1 (ja) * 2007-12-19 2009-06-25 Konica Minolta Holdings, Inc. ネットワークシステムおよびデータ送信方法
EP2154814A1 (de) * 2008-08-14 2010-02-17 Koninklijke Philips Electronics N.V. Skalierbare Schlüsselverteilung
DE102008046563A1 (de) * 2008-09-10 2010-03-11 Siemens Aktiengesellschaft Verfahren zur Datenübertragung zwischen Netzwerkknoten
JP5073635B2 (ja) * 2008-11-07 2012-11-14 英明 山田 暗号システム、及び暗号プログラム
JP5402087B2 (ja) * 2009-02-27 2014-01-29 日本電気株式会社 通信方法及び通信システム並びにその処理プログラム
US20100235689A1 (en) * 2009-03-16 2010-09-16 Qualcomm Incorporated Apparatus and method for employing codes for telecommunications
EP2460310B1 (de) * 2009-07-28 2014-06-25 Telecom Italia S.p.A. Verschlüsselungsverfahren mit symmetrischem schlüssel und kryptografisches system mit dem verfahren
US8560848B2 (en) * 2009-09-02 2013-10-15 Marvell World Trade Ltd. Galois/counter mode encryption in a wireless network
JP2011151689A (ja) * 2010-01-22 2011-08-04 Fujitsu Ltd 情報処理装置および情報処理方法
EP2611061A4 (de) 2010-08-24 2017-07-19 Mitsubishi Electric Corporation Kommunikationsendgerät, kommunikationssystem, kommunikationsverfahren und kommunikationsprogramm
EP2715968A4 (de) * 2011-05-26 2015-08-12 Certicom Corp Zufälligkeit für verschlüsselungsoperationen
US20120321079A1 (en) * 2011-06-14 2012-12-20 Freescale Semiconductor, Inc System and method for generating round keys
JP5882797B2 (ja) * 2012-03-12 2016-03-09 Kddi株式会社 ストリーム暗号処理システム、耐タンパデバイス及びストリーム暗号処理方法
US8744078B2 (en) * 2012-06-05 2014-06-03 Secure Channels Sa System and method for securing multiple data segments having different lengths using pattern keys having multiple different strengths
EP2918037A1 (de) * 2012-11-12 2015-09-16 Cryptography Research Inc. Verfahren und systeme für störresistente kryptografische einzellogbasierte signierung
US20140244514A1 (en) * 2013-02-26 2014-08-28 Digimarc Corporation Methods and arrangements for smartphone payments and transactions
US9311640B2 (en) 2014-02-11 2016-04-12 Digimarc Corporation Methods and arrangements for smartphone payments and transactions
US9264222B2 (en) * 2013-02-28 2016-02-16 Apple Inc. Precomputing internal AES states in counter mode to protect keys used in AES computations
US9698991B2 (en) * 2013-03-15 2017-07-04 Ologn Technologies Ag Systems, methods and apparatuses for device attestation based on speed of computation
US10177915B2 (en) 2013-03-15 2019-01-08 Ologn Technologies Ag Systems, methods and apparatuses for device attestation based on speed of computation
US9455962B2 (en) * 2013-09-22 2016-09-27 Winbond Electronics Corporation Protecting memory interface
JP6399382B2 (ja) * 2014-01-08 2018-10-03 パナソニックＩｐマネジメント株式会社 認証システム
JP6365076B2 (ja) * 2014-07-31 2018-08-01 大日本印刷株式会社 データ変換装置
US10019571B2 (en) 2016-03-13 2018-07-10 Winbond Electronics Corporation Protection from side-channel attacks by varying clock delays
KR101899130B1 (ko) * 2016-07-15 2018-10-29 (주) 구름네트웍스 데이터의 암호화, 복호화 방법 및 이를 이용하는 장치
GB201713499D0 (en) * 2017-08-23 2017-10-04 Nchain Holdings Ltd Computer-implemented system and method
TWI760546B (zh) * 2017-08-23 2022-04-11 安地卡及巴布達商區塊鏈控股有限公司 用於高安全性高速資料加密及傳輸的電腦實施系統與方法
JP6617375B2 (ja) * 2018-05-28 2019-12-11 大日本印刷株式会社 データ変換装置
CN108830207A (zh) * 2018-06-06 2018-11-16 成都邑教云信息技术有限公司 一种互联网教育告警系统
US10769299B2 (en) 2018-07-12 2020-09-08 Capital One Services, Llc System and method for dynamic generation of URL by smart card
TWI675578B (zh) * 2018-12-06 2019-10-21 新唐科技股份有限公司 加解密系統、加密裝置、解密裝置和加解密方法
GB2619071A (en) * 2022-05-26 2023-11-29 Pqshield Ltd Secure processing system and method

Family Cites Families (22)

* 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
US5054067A (en) * 1990-02-21 1991-10-01 General Instrument Corporation Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator
US5091942A (en) * 1990-07-23 1992-02-25 Ericsson Ge Mobile Communications Holding, Inc. Authentication system for digital cellular communications
US5148485A (en) * 1990-07-20 1992-09-15 Ericsson Ge Mobile Communications Holding, Inc. Encrypton system for digital cellular communications
US5369705A (en) * 1992-06-03 1994-11-29 International Business Machines Corporation Multi-party secure session/conference
US5268962A (en) * 1992-07-21 1993-12-07 Digital Equipment Corporation Computer network with modified host-to-host encryption keys
US5297207A (en) * 1993-05-24 1994-03-22 Degele Steven T Machine generation of cryptographic keys by non-linear processes similar to processes normally associated with encryption of data
US5420928A (en) * 1994-01-25 1995-05-30 Bell Communications Research, Inc. Pseudo-random generator
CA2179971C (en) * 1995-06-30 2001-10-30 Takahisa Yamamoto An adaptable communication apparatus and an adaptable communication system
US5734721A (en) * 1995-10-12 1998-03-31 Itt Corporation Anti-spoof without error extension (ANSWER)
US6014445A (en) * 1995-10-23 2000-01-11 Kabushiki Kaisha Toshiba Enciphering/deciphering apparatus and method incorporating random variable and keystream generation
JPH09160490A (ja) 1995-12-06 1997-06-20 Shinu Ko デジタル式カオス信号による情報の隠蔽・復号化方法および装置
GB9704638D0 (en) * 1997-03-06 1997-04-23 Lsi Logic Corp Digital video broadcasting
US6058187A (en) * 1997-04-17 2000-05-02 At&T Corp. Secure telecommunications data transmission
US6549622B1 (en) * 1998-11-23 2003-04-15 Compaq Computer Corporation System and method for a fast hardware implementation of RC4
US6415032B1 (en) * 1998-12-01 2002-07-02 Xilinx, Inc. Encryption technique using stream cipher and block cipher
US6601175B1 (en) * 1999-03-16 2003-07-29 International Business Machines Corporation Method and system for providing limited-life machine-specific passwords for data processing systems
US6701434B1 (en) * 1999-05-07 2004-03-02 International Business Machines Corporation Efficient hybrid public key signature scheme
US6961427B1 (en) * 1999-11-23 2005-11-01 General Instrument Corporation Methods and apparatus for keystream generation
US6804354B1 (en) * 1999-12-02 2004-10-12 Honeywell International Inc. Cryptographic isolator using multiplication
JP3864675B2 (ja) * 2000-03-09 2007-01-10 株式会社日立製作所 共通鍵暗号装置
JP2004363739A (ja) * 2003-06-03 2004-12-24 Hitachi Ltd 改竄検知可能な、共通鍵暗号の暗号化装置または復号化装置

Also Published As

Publication number Publication date
US7177424B1 (en) 2007-02-13
EP1063811A1 (de) 2000-12-27
DE69939254D1 (de) 2008-09-18
JP3901909B2 (ja) 2007-04-04
EP1063811B1 (de) 2008-08-06
JP2001007800A (ja) 2001-01-12

Similar Documents

Publication Publication Date Title
ATE403992T1 (de) Kryptografisches gerät und verfahren
KR970064060A (ko) 암호화/해독화 방법 및 장치
EP1081888A3 (de) Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung
EP1191737A3 (de) Vorrichtung zur Verschlüsselung von Daten
DE602005022001D1 (de) Verfahren zur Verschlüsselung und Entschlüsselung von Dateneinheiten
TW375721B (en) DES chip processor capable of executing data encryption standard (DES) operation
GB0208858D0 (en) Method and apparatus for encrypting/decrypting data
WO2002101979A3 (en) Improved data encryption and decryption system and method
NO910658D0 (no) Kryptografisk anordning for blokkvis omkodning basert paa psudotilfeldige ulineaere sekvenser.
DK0723726T3 (da) System og apparat til blokvis kryptering/dekryptering af data
RU98107582A (ru) Устройство и способ шифрования, устройство и способ дешифрования, устройство и способ обработки информации
JP2628660B2 (ja) 暗号化／復号方法および装置
WO2002101972A3 (en) Circuit and method for implementing the advanced encryption standard block cipher algorithm in a system having a plurality of channels
EP0802654A3 (de) Verschlüsselungsverfahren, Entschlüsselungsverfahren und Beglaubigungsverfahren
EP1154348A9 (de) Vorrichtung zur Dateienverwaltung
EP0801478A3 (de) Einrichtung zur Rückgewinnung eines kryptographischen Schlüssels
CA2336291A1 (en) Cryptographic communication process and apparatus
KR20080073348A (ko) 멀티 레인 고속 암호화 및 복호화
WO2002041566A3 (en) Cryptographic combiner using two sequential non-associative enciphering and deciphering operations
JP2000115162A (ja) セキュア通信装置及び記憶装置
KR960032188A (ko) 소프트웨어 암호화·복호화방법, 소프트웨어 암호화 시스템 및 소프트웨어 복호화 시스템
DE60038042D1 (de) Einserkomplement-verschlüsselungskombinator
WO2007101085A3 (en) Method and apparatus for synchronous stream cipher encryption with reserved codes
GB0006668D0 (en) Encrypting and decrypting
JP2000047580A (ja) 暗号変換装置、復号変換装置、暗号通信装置および自動料金徴収装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties