CN101820623B - 解密密钥发送方法和认证装置 - Google Patents

解密密钥发送方法和认证装置 Download PDF

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Publication number
CN101820623B
CN101820623B CN2010101666558A CN201010166655A CN101820623B CN 101820623 B CN101820623 B CN 101820623B CN 2010101666558 A CN2010101666558 A CN 2010101666558A CN 201010166655 A CN201010166655 A CN 201010166655A CN 101820623 B CN101820623 B CN 101820623B
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China
Prior art keywords
decryption key
authentication
content
key
terminal
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Expired - Fee Related
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CN2010101666558A
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English (en)
Chinese (zh)
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CN101820623A (zh
Inventor
高桥阳介
真泽史郎
吉田显彦
高柳大悟
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Hitachi Ltd
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Hitachi Ltd
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    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • 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
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • 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]
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/32—Cryptographic 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
    • H04L9/3271—Cryptographic 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 using challenge-response
    • 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

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  • 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)
  • Mobile Radio Communication Systems (AREA)
CN2010101666558A 2005-06-06 2006-06-06 解密密钥发送方法和认证装置 Expired - Fee Related CN101820623B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005165685A JP4275108B2 (ja) 2005-06-06 2005-06-06 復号鍵配信方法
JP165685/2005 2005-06-06

Related Parent Applications (1)

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CN2006100935584A Division CN1878062B (zh) 2005-06-06 2006-06-06 解密密钥发送方法和认证装置

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CN101820623A CN101820623A (zh) 2010-09-01
CN101820623B true CN101820623B (zh) 2011-12-28

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CN2010101666558A Expired - Fee Related CN101820623B (zh) 2005-06-06 2006-06-06 解密密钥发送方法和认证装置
CN2006100935584A Expired - Fee Related CN1878062B (zh) 2005-06-06 2006-06-06 解密密钥发送方法和认证装置

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US (2) US20060291662A1 (https=)
JP (1) JP4275108B2 (https=)
CN (2) CN101820623B (https=)

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CN107295012A (zh) * 2017-08-01 2017-10-24 贝氏科技有限公司 加解密系统与方法
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Also Published As

Publication number Publication date
JP4275108B2 (ja) 2009-06-10
US20110167264A1 (en) 2011-07-07
US8307455B2 (en) 2012-11-06
CN1878062B (zh) 2010-06-23
CN101820623A (zh) 2010-09-01
JP2006340296A (ja) 2006-12-14
US20060291662A1 (en) 2006-12-28
CN1878062A (zh) 2006-12-13

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