FR2691827B1 - Appareil de traitement de donnees. - Google Patents

Appareil de traitement de donnees.

Info

Publication number
FR2691827B1
FR2691827B1 FR9306502A FR9306502A FR2691827B1 FR 2691827 B1 FR2691827 B1 FR 2691827B1 FR 9306502 A FR9306502 A FR 9306502A FR 9306502 A FR9306502 A FR 9306502A FR 2691827 B1 FR2691827 B1 FR 2691827B1
Authority
FR
France
Prior art keywords
processing apparatus
data processing
data
processing
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
FR9306502A
Other languages
English (en)
Other versions
FR2691827A1 (fr
Inventor
Masato Tajima
Taro Shibagaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP13942492A external-priority patent/JPH05333772A/ja
Priority claimed from JP4139425A external-priority patent/JPH05333776A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of FR2691827A1 publication Critical patent/FR2691827A1/fr
Application granted granted Critical
Publication of FR2691827B1 publication Critical patent/FR2691827B1/fr
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
    • H04L9/0618—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
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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
    • H04L2209/04—Masking or blinding
    • H04L2209/046—Masking or blinding of operations, operands or results of the 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/122—Hardware reduction or efficient architectures
    • 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
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)
FR9306502A 1992-05-29 1993-06-01 Appareil de traitement de donnees. Expired - Fee Related FR2691827B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13942492A JPH05333772A (ja) 1992-05-29 1992-05-29 メッセージデータ圧縮装置
JP4139425A JPH05333776A (ja) 1992-05-29 1992-05-29 関数処理モジュール

Publications (2)

Publication Number Publication Date
FR2691827A1 FR2691827A1 (fr) 1993-12-03
FR2691827B1 true FR2691827B1 (fr) 1997-05-16

Family

ID=26472243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9306502A Expired - Fee Related FR2691827B1 (fr) 1992-05-29 1993-06-01 Appareil de traitement de donnees.

Country Status (3)

Country Link
US (3) US5517614A (fr)
FR (1) FR2691827B1 (fr)
GB (1) GB2267419B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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US5517614A (en) * 1992-05-29 1996-05-14 Kabushiki Kaisha Toshiba Data compression/encryption processing apparatus
US5371794A (en) * 1993-11-02 1994-12-06 Sun Microsystems, Inc. Method and apparatus for privacy and authentication in wireless networks
GB2288519A (en) * 1994-04-05 1995-10-18 Ibm Data encryption
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US8639625B1 (en) 1995-02-13 2014-01-28 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
JP3294739B2 (ja) * 1995-03-30 2002-06-24 三洋電機株式会社 Ｆｍ多重放送のスクランブルまたはデスクランブル方法
US5943421A (en) * 1995-09-11 1999-08-24 Norand Corporation Processor having compression and encryption circuitry
JP3746098B2 (ja) * 1996-02-28 2006-02-15 株式会社日立製作所 データの暗号化装置
US5754658A (en) * 1996-04-19 1998-05-19 Intel Corporation Adaptive encryption to avoid processor oversaturation
US6122379A (en) * 1996-05-30 2000-09-19 Deloitte & Touche Inc. Method and apparatus for performing simultaneous data compression and encryption
GB9617115D0 (en) 1996-08-15 1996-09-25 Astec Dev Ltd Pipeline traction system
EP0923826B1 (fr) * 1996-09-03 2002-10-23 Siemens Aktiengesellschaft Dispositif et procede destines au traitement cryptographique d'un flux de donnees numeriques qui presente un nombre quelconque de donnees
JP3804132B2 (ja) * 1996-11-29 2006-08-02 ソニー株式会社 データ送信装置、データ暗号化装置、データ送信方法及びデータ暗号化方法
US6122375A (en) * 1996-12-10 2000-09-19 Hitachi, Ltd. Hash value generating method and device, data encryption method and device, data decryption method and device
DE19654342C2 (de) * 1996-12-24 1998-10-15 Karl Michael Marks Verfahren zur Übermittlung von komprimierten Daten
US6094486A (en) * 1997-06-19 2000-07-25 Marchant; Brian E. Security apparatus for data transmission with dynamic random encryption
US6240183B1 (en) * 1997-06-19 2001-05-29 Brian E. Marchant Security apparatus for data transmission with dynamic random encryption
JP3604264B2 (ja) * 1997-10-06 2004-12-22 株式会社東芝 発信者用端末装置及びネットワークシステム並びに発信情報監視方法
US6154542A (en) * 1997-12-17 2000-11-28 Apple Computer, Inc. Method and apparatus for simultaneously encrypting and compressing data
US6108421A (en) * 1998-03-06 2000-08-22 Harris Corporation Method and apparatus for data encryption
US6760438B1 (en) * 1999-07-01 2004-07-06 Nortel Networks Limited System and method for Viterbi decoding on encrypted data
EP1081888B1 (fr) * 1999-08-31 2005-12-21 Matsushita Electric Industrial Co., Ltd. Procédé et dispositif de chiffrage, procédé et dispositif de déchiffrage
US20020116624A1 (en) * 2001-02-16 2002-08-22 International Business Machines Corporation Embedded cryptographic system
EP1383264A4 (fr) * 2001-04-24 2005-12-21 Nti Inc Procede de transmission de donnees
US7382878B2 (en) * 2001-06-22 2008-06-03 Uponus Technologies, Llc System and method for data encryption
KR100593491B1 (ko) * 2001-07-17 2006-06-30 샤프 가부시키가이샤 프로세스 과정에서 암호화된 데이터의 위조 검출 데이터를발생시키는 장치 및 방법
GB2374260B (en) * 2001-10-12 2003-08-13 F Secure Oyj Data encryption
US7878908B2 (en) * 2002-11-14 2011-02-01 Nintendo Co., Ltd. Multiplexed secure video game play distribution
US6766265B2 (en) * 2002-12-18 2004-07-20 Advanced Micro Devices, Inc. Processing tester information by trellising in integrated circuit technology development
DE10345457A1 (de) * 2003-09-30 2005-04-28 Infineon Technologies Ag Verfahren und Vorrichtung zur Ver- und Entschlüsselung
US20090217008A1 (en) * 2005-04-21 2009-08-27 Taichi Sato Program conversion device, and secret keeping program
US7995759B1 (en) * 2006-09-28 2011-08-09 Netapp, Inc. System and method for parallel compression of a single data stream
US8595503B2 (en) * 2008-06-30 2013-11-26 Konica Minolta Laboratory U.S.A., Inc. Method of self-authenticating a document while preserving critical content in authentication data

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172213A (en) * 1977-11-17 1979-10-23 Burroughs Corporation Byte stream selective encryption/decryption device
US4369434A (en) * 1979-12-20 1983-01-18 Gretag Aktiengesellschaft Enciphering/deciphering system
GB2175112B (en) * 1983-05-07 1987-06-10 Hitachi Ltd Sequence control method and apparatus
JPS60107141A (ja) * 1983-11-16 1985-06-12 Fujitsu Ltd プランチ制御方式
EP0168054B1 (fr) * 1984-07-11 1991-10-09 Hitachi, Ltd. Procédé et système de trâitement de l'information sous le contrôle de données
US4691355A (en) * 1984-11-09 1987-09-01 Pirmasafe, Inc. Interactive security control system for computer communications and the like
JPH0766369B2 (ja) * 1984-11-16 1995-07-19 株式会社日立製作所 画像処理のためのコマンド処理方法
US4803725A (en) * 1985-03-11 1989-02-07 General Instrument Corp. Cryptographic system using interchangeable key blocks and selectable key fragments
US4809327A (en) * 1986-09-02 1989-02-28 Unisys Corporation Encrtption of messages employing unique control words and randomly chosen encryption keys
JPH0738120B2 (ja) * 1987-07-14 1995-04-26 三菱電機株式会社 音声記録再生装置
US4782326A (en) * 1987-10-01 1988-11-01 Motorola, Inc. ADPCM transcoder data interface circuit having an encoded enable signal
JP2683022B2 (ja) * 1988-04-13 1997-11-26 株式会社日立製作所 データ秘匿方式
DE59007408D1 (de) * 1989-02-08 1994-11-17 Gretag Data Systems Ag Verfahren zum kryptographischen Behandeln von Daten und kryptographisches System.
US5008935A (en) * 1989-06-30 1991-04-16 At&T Bell Laboratories Efficient method for encrypting superblocks of data
FR2650457A1 (fr) * 1989-07-25 1991-02-01 Trt Telecom Radio Electr Procede de traitement de donnees par compression et permutation pour carte a microcircuit
US4964164A (en) * 1989-08-07 1990-10-16 Algorithmic Research, Ltd. RSA computation method for efficient batch processing
US5003597A (en) * 1989-12-21 1991-03-26 Xerox Corporation Method and apparatus for data encryption
US5390304A (en) * 1990-09-28 1995-02-14 Texas Instruments, Incorporated Method and apparatus for processing block instructions in a data processor
JP3053106B2 (ja) * 1990-11-02 2000-06-19 株式会社日立製作所 暗号化処理装置、及び復号化処理装置
US5073935A (en) * 1990-12-17 1991-12-17 Jose Pastor Method for secure communication
US5199069A (en) * 1991-02-25 1993-03-30 Motorola, Inc. Automatic encryption selector
US5185796A (en) * 1991-05-30 1993-02-09 Motorola, Inc. Encryption synchronization combined with encryption key identification
US5179591A (en) * 1991-10-16 1993-01-12 Motorola, Inc. Method for algorithm independent cryptographic key management
US5230020A (en) * 1991-10-16 1993-07-20 Motorola, Inc. Algorithm independent cryptographic key management
US5253296A (en) * 1991-11-26 1993-10-12 Communication Electronics System for resisting interception of information
JPH05281906A (ja) * 1992-04-02 1993-10-29 Fujitsu Ltd 暗号鍵共有方式
US5517614A (en) * 1992-05-29 1996-05-14 Kabushiki Kaisha Toshiba Data compression/encryption processing apparatus

Also Published As

Publication number Publication date
GB9311145D0 (en) 1993-07-14
FR2691827A1 (fr) 1993-12-03
GB2267419B (en) 1996-11-27
US5517614A (en) 1996-05-14
GB2267419A (en) 1993-12-01
US5793940A (en) 1998-08-11
US5740251A (en) 1998-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse