SG80562A1 - Cryptosystem - Google Patents

Cryptosystem

Info

Publication number
SG80562A1
SG80562A1 SG9700013A SG1997000013A SG80562A1 SG 80562 A1 SG80562 A1 SG 80562A1 SG 9700013 A SG9700013 A SG 9700013A SG 1997000013 A SG1997000013 A SG 1997000013A SG 80562 A1 SG80562 A1 SG 80562A1
Authority
SG
Singapore
Prior art keywords
communication
valid
session key
ciphertext
plaintext
Prior art date
Application number
SG9700013A
Other languages
English (en)
Inventor
Takeda Noriko
Shinoda Seiichi
Haseyama Toshio
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SG80562A1 publication Critical patent/SG80562A1/en

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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer And Data Communications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
SG9700013A 1996-01-12 1997-01-06 Cryptosystem SG80562A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP399796 1996-01-12
JP8202491A JP2812312B2 (ja) 1996-01-12 1996-07-31 暗号化システム

Publications (1)

Publication Number Publication Date
SG80562A1 true SG80562A1 (en) 2001-05-22

Family

ID=26337689

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9700013A SG80562A1 (en) 1996-01-12 1997-01-06 Cryptosystem

Country Status (6)

Country Link
US (1) US6178244B1 (fr)
EP (1) EP0784392A2 (fr)
JP (1) JP2812312B2 (fr)
KR (1) KR100215100B1 (fr)
CA (1) CA2194421C (fr)
SG (1) SG80562A1 (fr)

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US20030021418A1 (en) * 2001-03-19 2003-01-30 Kunio Arakawa Cryptogram communication system
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US7124299B2 (en) * 2001-05-18 2006-10-17 Claymore Systems, Inc. System, method and computer program product for auditing XML messages in a network-based message stream
US7936693B2 (en) * 2001-05-18 2011-05-03 Network Resonance, Inc. System, method and computer program product for providing an IP datalink multiplexer
US7231519B2 (en) * 2001-06-06 2007-06-12 International Business Machines Corporation Secure inter-node communication
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IL161027A0 (en) * 2001-09-28 2004-08-31 High Density Devices As Method and device for encryption/decryption of data on mass storage device
JP4291970B2 (ja) * 2001-12-20 2009-07-08 富士通株式会社 暗号処理装置
US6874089B2 (en) * 2002-02-25 2005-03-29 Network Resonance, Inc. System, method and computer program product for guaranteeing electronic transactions
US7769997B2 (en) * 2002-02-25 2010-08-03 Network Resonance, Inc. System, method and computer program product for guaranteeing electronic transactions
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JP2004007260A (ja) * 2002-05-31 2004-01-08 Fujitsu Ltd 暗号装置、電子機器及び暗号方法
US7773754B2 (en) * 2002-07-08 2010-08-10 Broadcom Corporation Key management system and method
EP1557025B1 (fr) * 2002-10-30 2006-05-03 Thomson Licensing Procede simplifie de renouvellement de cles symetriques dans un reseau numerique
US6886096B2 (en) * 2002-11-14 2005-04-26 Voltage Security, Inc. Identity-based encryption system
US20040181663A1 (en) * 2003-03-13 2004-09-16 Sami Pienimaki Forced encryption for wireless local area networks
EP1460796A3 (fr) * 2003-03-17 2005-02-16 Broadcom Corporation Génération et distribution d'une clé de chiffrage/déchiffrage
US7313239B2 (en) 2003-04-15 2007-12-25 Broadcom Corporation Method and system for data encryption/decryption key generation and distribution
US9338026B2 (en) 2003-09-22 2016-05-10 Axway Inc. Delay technique in e-mail filtering system
US7930412B2 (en) * 2003-09-30 2011-04-19 Bce Inc. System and method for secure access
KR101044937B1 (ko) * 2003-12-01 2011-06-28 삼성전자주식회사 홈 네트워크 시스템 및 그 관리 방법
US7499541B2 (en) * 2004-05-11 2009-03-03 National Institute Of Information And Communications Technology Cipher strength evaluation apparatus
EP1836792A1 (fr) * 2004-12-30 2007-09-26 BCE Inc. Systeme et procede d'acces securise
JP2006211117A (ja) * 2005-01-26 2006-08-10 Sharp Corp コンテンツ保護システム
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9436804B2 (en) * 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
US8527741B2 (en) * 2005-07-05 2013-09-03 Viasat, Inc. System for selectively synchronizing high-assurance software tasks on multiple processors at a software routine level
US8190877B2 (en) * 2005-07-05 2012-05-29 Viasat, Inc. Trusted cryptographic processor
US8069270B1 (en) 2005-09-06 2011-11-29 Cisco Technology, Inc. Accelerated tape backup restoration
US8166547B2 (en) 2005-09-06 2012-04-24 Fortinet, Inc. Method, apparatus, signals, and medium for managing a transfer of data in a data network
US8266431B2 (en) * 2005-10-31 2012-09-11 Cisco Technology, Inc. Method and apparatus for performing encryption of data at rest at a port of a network device
JP4917318B2 (ja) * 2006-01-31 2012-04-18 株式会社リコー 通信装置、通信方法およびプログラム
JP4779736B2 (ja) * 2006-03-16 2011-09-28 オムロン株式会社 認証システムおよび認証サーバ
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JP5256822B2 (ja) * 2008-04-02 2013-08-07 沖電気工業株式会社 暗証番号入力装置及び暗証番号入力装置の暗号化機能の変更方法
US8464074B1 (en) 2008-05-30 2013-06-11 Cisco Technology, Inc. Storage media encryption with write acceleration
DE102009052456A1 (de) * 2009-11-09 2011-05-19 Siemens Aktiengesellschaft Verfahren und System zur beschleunigten Entschlüsselung von kryptographisch geschützten Nutzdateneinheiten
JP2012080295A (ja) 2010-09-30 2012-04-19 Toshiba Corp 情報記憶装置、情報記憶方法、及び電子機器
US8819435B2 (en) * 2011-09-12 2014-08-26 Qualcomm Incorporated Generating protocol-specific keys for a mixed communication network
KR101329084B1 (ko) 2012-05-17 2013-11-14 한국전자통신연구원 무중단 암호통신을 위한 암복호 통신 방법 및 장치
US9948621B2 (en) * 2015-05-20 2018-04-17 Alcatel Lucent Policy based cryptographic key distribution for network group encryption
US10476912B2 (en) * 2017-09-18 2019-11-12 Veracity Security Intelligence, Inc. Creating, visualizing, and simulating a threat based whitelisting security policy and security zones for networks
US10972445B2 (en) * 2017-11-01 2021-04-06 Citrix Systems, Inc. Dynamic crypto key management for mobility in a cloud environment
EP3777015B1 (fr) * 2018-06-06 2022-04-13 Slack Technologies, LLC Procédé, appareil et produit-programme d'ordinateur permettant de gérer une clé de chiffrement dans un système de communication basée sur un groupe
US12368594B2 (en) * 2020-06-30 2025-07-22 Fanuc Corporation Control device

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EP0402083A2 (fr) * 1989-06-05 1990-12-12 Motorola, Inc. Méthode de téléconférence dans un système de gestion avec touche de sécurité
JPH06318939A (ja) * 1993-05-10 1994-11-15 Nippon Telegr & Teleph Corp <Ntt> 暗号通信システム
WO1995008232A1 (fr) * 1993-09-14 1995-03-23 Chantilley Corporation Limited Dispositif de repartition de cle dans un systeme de chiffrement
WO1995026086A1 (fr) * 1994-03-18 1995-09-28 Thomson Consumer Electronics, Inc. Appareil de decryptage de donnees dans un systeme recevant des signaux de television payante

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EP0402083A2 (fr) * 1989-06-05 1990-12-12 Motorola, Inc. Méthode de téléconférence dans un système de gestion avec touche de sécurité
JPH06318939A (ja) * 1993-05-10 1994-11-15 Nippon Telegr & Teleph Corp <Ntt> 暗号通信システム
WO1995008232A1 (fr) * 1993-09-14 1995-03-23 Chantilley Corporation Limited Dispositif de repartition de cle dans un systeme de chiffrement
WO1995026086A1 (fr) * 1994-03-18 1995-09-28 Thomson Consumer Electronics, Inc. Appareil de decryptage de donnees dans un systeme recevant des signaux de television payante

Also Published As

Publication number Publication date
JP2812312B2 (ja) 1998-10-22
KR980013071A (ko) 1998-04-30
CA2194421C (fr) 2000-04-18
KR100215100B1 (ko) 1999-08-16
EP0784392A2 (fr) 1997-07-16
CA2194421A1 (fr) 1997-07-13
JPH09252294A (ja) 1997-09-22
US6178244B1 (en) 2001-01-23

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