KR20030088855A - 세션 키 보안 프로토콜 - Google Patents
세션 키 보안 프로토콜 Download PDFInfo
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- KR20030088855A KR20030088855A KR10-2003-0022923A KR20030022923A KR20030088855A KR 20030088855 A KR20030088855 A KR 20030088855A KR 20030022923 A KR20030022923 A KR 20030022923A KR 20030088855 A KR20030088855 A KR 20030088855A
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- server
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- ticket
- key
- authentication
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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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
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- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/33—User authentication using certificates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/41—User authentication where a single sign-on provides access to a plurality of computers
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- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0815—Network architectures or network communication protocols for network security for authentication of entities providing single-sign-on or federations
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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
- H04L9/08—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
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
- H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
- H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
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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
- H04L9/32—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
- H04L9/321—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 involving a third party or a trusted authority
- H04L9/3213—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 involving a third party or a trusted authority using tickets or tokens, e.g. Kerberos
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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
- H04L9/32—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
- H04L9/3247—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 involving digital signatures
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- 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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- 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
- H04L63/045—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 hybrid encryption, i.e. combination of symmetric and asymmetric encryption
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Information Transfer Between Computers (AREA)
- Computer And Data Communications (AREA)
- Storage Device Security (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
Description
Claims (32)
- 멀티-사이트 인증 시스템에서 정보 보안을 위한 방법에 있어서,제1 네트워크 서버로부터 인증 티켓을 생성하는 단계 - 상기 티켓은 클라이언트 컴퓨터의 사용자와 관련이 있는 정보를 포함, 상기 제1 네트워크 서버 및 상기 클라이언트 컴퓨터는 데이터 통신 네트워크에 연결되어 있음 - ;공유 대칭 키를 사용해서, 제1 네트워크 서버에 의해, 상기 티켓의 내용을 암호화하는 단계 - 상기 공유 키는 제1 네트워크 서버 및 제2 네트워크 서버에 의해 공유됨, 상기 제2 네트워크 서버는 데이터 통신 네트워크에 또한 연결되어 있음 - ;제2 네트워크 서버와 관련이 있는 공개 키를 사용해서, 제1 네트워크 서버에 의해, 공유 키를 암호화하는 단계; 및제1 네트워크 서버로부터 제2 네트워크 서버로의 티켓을 따라 클라이언트 컴퓨터를 지시하는 단계를 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서,제2 네트워크 서버와 관련된 개인 키를 사용해서, 제2 네트워크 서버에 의해, 암호화된 공유 키를 해독하는 단계; 및해독된 공유 키를 사용해서, 제2 네트워크 서버에 의해, 티켓의 내용을 해독하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 제1 네트워크 서버와 관련된 개인 키를 사용해서 티켓을 위한 서명을 생성하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제3항에 있어서, 티켓은 공유 키에 의해 암호화된 내용, 공유 키, 및 서명을 포함하는 정보 보안을 위한 방법.
- 제3항에 있어서, 서명은 제2 네트워크 서버를 위한 주소 정보를 포함하고 있고, 제2 네트워크 서버에 의해, 서명을 유효하게 하기 위해 서명내의 그 자신의 주소 정보를 확인하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 상기 공유 키는 램덤하게 생성된, 단일-사용 세션 키를 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 프라이버시 향상된(privacy-enhanced) 프로토콜을 통해 제1 네트워크 서버로부터 제2 네트워크 서버로의 티켓을 전달하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 제1 네트워크 서버는 멀티-사이트 사용자 인증 시스템과 관련이 있는 인증 서버이고 티켓을 생성하기 전에 사용자를 인증하기 위해 사용자로부터 로그인 정보를 추출하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제8항에 있어서, 티켓의 내용이 추출된 로그인 정보를 포함하고 있는 정보 보안을 위한 방법.
- 제8항에 있어서, 추출된 로그인 정보가 로그인 ID 및 로그인 ID와 관련된 패스워드를 포함하고 있는 정보 보안을 위한 방법.
- 제8항에 있어서, 사용자를 인증하기 전에, 사용자가 이미 인증되었는지를 결정하고, 사용자가 이미 인증되지 않았으면, 사용자로부터 로그인 정보를 추출하고 로그인 정보를 인증 서버와 연결된 데이터베이스에 저장된 인증 정보와 비교하여 사용자를 인증 서버로 인증하는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 클라이언트 컴퓨터의 브라우저를 통해서 사용자로부터, 제2 네트워크 서버로부터 제공될 선택된 서비스를 위한, 요구를 받아들이는 단계를 더 포함하는 정보 보안을 위한 방법.
- 제1항에 있어서, 제2 네트워크 서버는 데이터 통신 네트워크에 연결된 하나또는 다수의 다른 네트워크 서버에 의해 제공되는 서비스에 대한 출입구를 사용자에게 제공하기 위한 포털인 정보 보안을 위한 방법.
- 제1항에 있어서, 네트워크 서버는 웹 서버이고 데이터 통신 네트워크는 인터넷인 정보 보안을 위한 방법.
- 제1항의 방법을 수행하기 위한 컴퓨터 실행 가능 명령어를 갖는 컴퓨터 판독 가능 매체.
- 멀티-사이트 사용자 인증 시스템과 관련된 인증 서버를 포함해서 정보를 보안하는 시스템으로서, 상기 인증 서버는 사용자를 인증하기 위해 클라이언트 컴퓨터의 사용자로부터 로그인 정보를 추출하고, 상기 인증 서버는 사용자를 인증한 후에 인증 티켓을 더 생성하고, 상기 티켓은 클라이언트 컴퓨터의 사용자와 관련된 정보를 포함하고, 상기 인증 서버는 티켓의 내용을 암호화하기 위한 공유 대칭 키를 가지고, 상기 공유 키는 인증 서버와 제휴 서버에 의해 공유되고, 상기 제휴 서버는 공개 키를 가지고 있고 상기 인증 서버는 공개 키를 사용해서 공유 키를 암호화하는 정보 보안을 위한 시스템.
- 제16항에 있어서, 제휴 서버는 암호화된 공유 키를 해독하기 위한 개인 키를 가지고 있고, 상기 제휴 서버는 해독된 공유 키를 사용해서 티켓의 내용을 해독하는 정보 보안을 위한 시스템.
- 제16항에 있어서, 인증 서버는 티켓을 위한 서명을 생성하기 위한 개인 키를 갖는 정보 보안을 위한 시스템.
- 제18항에 있어서, 상기 티켓은 공유 키에 의해 암호화되는 내용, 공유 키, 및 서명을 포함하는 정보 보안을 위한 시스템.
- 제18항에 있어서, 서명은 제휴 서버를 위한 주소 정보를 포함하고, 상기 제휴 서버는 서명 내의 그 자신의 주소 정보를 확인하는 것에 의해 서명을 유효하게 하는 정보 보안을 위한 시스템.
- 제16항에 있어서, 공유 키는 랜덤하게 생성된, 단일-사용 세션 키를 포함하는 정보 보안을 위한 시스템.
- 제16항에 있어서, 인증 서버와 연결된 데이터베이스를 더 포함하고, 상기 데이터베이스는 사용자로부터 추출한 로그인 정보와 비교하기 위한 사용자 정보를 저장하는 정보 보안을 위한 시스템.
- 제16항에 있어서, 클라이언트 컴퓨터의 브라우저를 더 포함하고, 상기 제휴서버는 제휴 서버에 의해 제공될 선택된 서비스를 위해 브라우저를 통해서 사용자로부터 요구를 받는 정보 보안을 위한 시스템.
- 제16항에 있어서, 제휴 서버는 사용자에게 데이터 통신 네트워크에 연결된 하나 또는 다수의 네트워크 서버에 의해 제공되는 출입구를 제공하기 위한 포탈인 정보 보안을 위한 시스템.
- 제16항에 있어서, 제휴 서버는 웹 서버이고 데이터 통신 네트워크는 인터넷인 정보 보안을 위한 시스템.
- 멀티-사이트 인증 시스템에서 정보 보안을 위한 방법에 있어서,제1 네트워크로부터 인증 티켓을 생성하는 단계 - 상기 티켓은 클라이언트 컴퓨터와 관련된 정보를 포함하고, 상기 제1 네트워크 서버 및 상기 클라이언트 컴퓨터는 데이터 통신 네트워크에 연결되어 있음 - ;제1 네트워크 서버와 관련된 개인 키를 사용해서 티켓을 위한 서명을 생성하는 단계 - 상기 서명은 제2 네트워크 서버를 위한 주소 정보를 포함하고, 상기 제2 네트워크 서버는 데이터 통신 네트워크에 또한 연결되어 있음 - ;프라이버시 향상된 프로토콜을 통해 제1 네트워크 서버로부터 제2 네트워크 서버의 티켓을 따라 클라이언트 컴퓨터를 지시하는 단계; 및제2 네트워크 서버에 의해, 서명을 유효하게 하기 위해 서명 내의 그 자신의주소 정보를 확인하는 단계를 포함하는 정보 보안을 위한 방법.
- 제26항에 있어서, 프라이버시 향상된 프로토콜은 보안 소켓 층(secure socket layer)인 정보 보안을 위한 방법.
- 멀티-사이트 인증 시스템에서 이용하기 위한 보안 프로토콜에 있어서,제1 네트워크 서버 및 제2 네트워크 서버에 의해 공유되는 공유 대칭키 - 상기 제1 네트워크 서버는 공유 키를 사용해서 클라이언트 컴퓨터의 사용자와 관련된 정보를 포함하는 인증 티켓의 내용을 암호화하고, 상기 제1 및 2 네트워크 서버와 상기 클라이언트 컴퓨터는 데이터 통신 네트워크에 연결됨 - ;제2 네트워크 서버와 관련이 있는 공개 키 - 상기 제1 네트워크 서버는 공개 키를 사용해서 공유 키를 암호화함 - ; 및제2 네트워크 서버와 관련이 있는 개인 키 - 상기 제2 네트워크 서버는 개인 키를 사용해서 암호화된 공유 키를 해독하고 해독된 공유 키를 사용해서 티켓의 내용을 해독함 -를 포함하는 보안 프로토콜.
- 제28항에 있어서, 제1 네트워크 서버와 관련된 개인 키를 더 포함하고, 상기 네트워크 서버는 그것의 개인 키를 사용해서 티켓을 위한 서명을 생성하는 보안 프로토콜.
- 제29항에 있어서, 티켓은 공유 키에 의해 암호화된 내용, 공유 키, 및 서명을 포함하는 보안 프로토콜
- 제29항에 있어서, 서명은 제2 네트워크 서버를 위한 주소 정보를 포함하고 제2 네트워크 서버는 서명 내의 그 자신의 주소 정보를 확인함으로써 서명을 유효하게 하는 보안 프로토콜.
- 제28항에 있어서, 공유 키는 램덤하게 생성된, 단일-사용 세션 키를 포함하는 보안 프로토콜.
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KR100936530B1 (ko) * | 2007-11-13 | 2010-01-13 | 주식회사 케이티 | 네트워크 장치 및 네트워크 장치의 인증 정보 공유 방법 |
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US7523490B2 (en) | 2009-04-21 |
US20090204808A1 (en) | 2009-08-13 |
EP1363424B1 (en) | 2008-07-02 |
EP1363424A3 (en) | 2004-05-19 |
ATE400108T1 (de) | 2008-07-15 |
EP1363424A2 (en) | 2003-11-19 |
US7971240B2 (en) | 2011-06-28 |
JP4744785B2 (ja) | 2011-08-10 |
US20030217288A1 (en) | 2003-11-20 |
DE60321854D1 (de) | 2008-08-14 |
JP2004048679A (ja) | 2004-02-12 |
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