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

    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0822Key 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/083Key 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]
    • H04L9/0833Key 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)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (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 (de)
EP (1) EP0784392A2 (de)
JP (1) JP2812312B2 (de)
KR (1) KR100215100B1 (de)
CA (1) CA2194421C (de)
SG (1) SG80562A1 (de)

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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
US7464154B2 (en) * 2001-05-18 2008-12-09 Network Resonance, Inc. System, method and computer program product for analyzing data from network-based structured 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
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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
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US7773754B2 (en) * 2002-07-08 2010-08-10 Broadcom Corporation Key management system and method
US8369524B2 (en) * 2002-10-30 2013-02-05 Thomson Licensing Simplified method for renewing symmetrical keys in a digital network
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US20040181663A1 (en) * 2003-03-13 2004-09-16 Sami Pienimaki Forced encryption for wireless local area networks
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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
WO2006069428A1 (en) * 2004-12-30 2006-07-06 Bce Inc. System and method for secure access
JP2006211117A (ja) * 2005-01-26 2006-08-10 Sharp Corp コンテンツ保護システム
US9436804B2 (en) * 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
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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
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
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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
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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
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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
CN112534773B (zh) 2018-06-06 2024-07-02 赛勒斯福斯有限公司 用于基于组的通信系统内的加密密钥管理的方法、装置和计算机程序产品
DE112021003462T5 (de) * 2020-06-30 2023-04-13 Fanuc Corporation Steuervorrichtung

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JPH06318939A (ja) * 1993-05-10 1994-11-15 Nippon Telegr & Teleph Corp <Ntt> 暗号通信システム
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Also Published As

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

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