JP4098742B2 - 公開鍵基盤構造を用いたドメイン形成方法 - Google Patents
公開鍵基盤構造を用いたドメイン形成方法 Download PDFInfo
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- JP4098742B2 JP4098742B2 JP2004101508A JP2004101508A JP4098742B2 JP 4098742 B2 JP4098742 B2 JP 4098742B2 JP 2004101508 A JP2004101508 A JP 2004101508A JP 2004101508 A JP2004101508 A JP 2004101508A JP 4098742 B2 JP4098742 B2 JP 4098742B2
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- 238000000034 method Methods 0.000 title claims description 24
- 230000015572 biosynthetic process Effects 0.000 title claims description 5
- 239000000284 extract Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
- H04L63/0435—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 symmetric encryption, i.e. same key used for encryption and decryption
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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
- 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
- H04L9/3263—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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
-
- 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
-
- 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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Finance (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Computer And Data Communications (AREA)
Description
また、前記機器情報が、機器IDと機器固有の公開鍵とを含むことを特徴とする。
以上において説明した本発明は、本発明が属する技術の分野における通常の知識を有する者であれば、本発明の技術的思想を逸脱しない範囲内で、様々な置換、変形及び変更が可能であるので、上述した実施例及び添付された図面に限定されるものではない。
320 サーバ
330 機器
332 SIB伝達
334 機器認識
336 ユーザの機器選択
338 SIB伝達
340 秘密値抽出
342 認証書生成
344 機器ID、公開鍵、認証書伝達
346 認証書検証
348 認証リスト作成
350 ドメインIDとドメインキー生成
352 公開鍵を用いてドメインIDとドメインキーを暗号化
354 ドメインキー復旧
Claims (6)
- コンテンツを提供するサーバが前記コンテンツを要求する機器のリストを提供し、ユーザが前記リストから機器を選択する第1のステップと、
前記サーバが、機器の廃棄有無を検証するための情報を、前記選択された機器に伝達する第2のステップと、
前記情報を受信した機器が前記情報から廃棄されていない正当な機器に共通な秘密値を抽出して認証書を作成し、自身の機器情報と前記認証書を前記サーバに伝達する第3のステップと、
前記サーバが認証書を検証し、前記機器情報を用いてドメインIDとドメインキーを生成する第4のステップと、
前記サーバが該当機器固有の公開鍵を用いて、前記ドメインIDとドメインキーを暗号化して前記機器に伝達する第5のステップと、
機器固有の秘密キーを用いて前記ドメインキーを復旧する第6のステップとを含むことを特徴とする公開鍵基盤構造を用いたドメイン形成方法。 - 前記第4のステップが、前記サーバが認証書を検証し、前記機器情報を含む認証リストを作成するステップと、前記機器情報と前記サーバが生成した乱数を用いて、ドメインIDとドメインキーを生成するステップとを含むことを特徴とする請求項1に記載の公開鍵基盤構造を用いたドメイン形成方法。
- 前記機器情報が、機器IDと機器固有の公開鍵とを含むことを特徴とする請求項1または2に記載の公開鍵基盤構造を用いたドメイン形成方法。
- コンテンツを提供するサーバが、機器の廃棄有無を検証するための情報を、自身が認識した機器に伝達する第1のステップと、
前記情報を受信した機器が前記情報から廃棄されていない正当な機器に共通な秘密値を抽出して認証書を作成し、自身の機器情報と前記認証書を前記サーバに伝達する第2のステップと、
前記サーバが前記認証書を検証し、前記認識した機器リストとそれぞれの機器に対する認証有無のリストをユーザに提供する第3のステップと、
ユーザが認証された機器からドメインに含める機器を選択し、前記選択された機器と選択された機器に対するそれぞれの機器情報によって認証リストを作成する第4のステップと、
前記サーバが前記認証リストに含まれた機器情報を用いて、ドメインIDとドメインキーを生成する第5のステップと、
前記サーバが該当機器固有の公開鍵を用いて、前記ドメインIDとドメインキーを暗号化して前記機器に伝達する第6のステップと、
機器固有の秘密キーを用いて前記ドメインキーを復旧する第7のステップとを含むことを特徴とする公開鍵基盤構造を用いたドメイン形成方法。 - 前記第5のステップが、前記機器情報と前記サーバが生成した乱数を用いて、ドメインIDとドメインキーを生成するステップを含むことを特徴とする請求項4に記載の公開鍵基盤構造を用いたドメイン形成方法。
- 前記機器情報が、機器IDと機器固有の公開鍵とを含むことを特徴とする請求項4または5に記載の公開鍵基盤構造を用いたドメイン形成方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030068364A KR100567822B1 (ko) | 2003-10-01 | 2003-10-01 | 공개 키 기반 구조를 이용한 도메인 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005108182A JP2005108182A (ja) | 2005-04-21 |
JP4098742B2 true JP4098742B2 (ja) | 2008-06-11 |
Family
ID=34309537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004101508A Expired - Fee Related JP4098742B2 (ja) | 2003-10-01 | 2004-03-30 | 公開鍵基盤構造を用いたドメイン形成方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7996322B2 (ja) |
EP (1) | EP1521422B1 (ja) |
JP (1) | JP4098742B2 (ja) |
KR (1) | KR100567822B1 (ja) |
CN (1) | CN100474806C (ja) |
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2003
- 2003-10-01 KR KR1020030068364A patent/KR100567822B1/ko not_active IP Right Cessation
-
2004
- 2004-03-30 JP JP2004101508A patent/JP4098742B2/ja not_active Expired - Fee Related
- 2004-06-16 US US10/867,817 patent/US7996322B2/en not_active Expired - Fee Related
- 2004-07-22 EP EP04254389.2A patent/EP1521422B1/en not_active Expired - Lifetime
- 2004-09-29 CN CNB2004100803232A patent/CN100474806C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050075986A1 (en) | 2005-04-07 |
JP2005108182A (ja) | 2005-04-21 |
CN1604522A (zh) | 2005-04-06 |
US7996322B2 (en) | 2011-08-09 |
EP1521422A2 (en) | 2005-04-06 |
EP1521422A3 (en) | 2008-03-05 |
CN100474806C (zh) | 2009-04-01 |
KR20050032324A (ko) | 2005-04-07 |
KR100567822B1 (ko) | 2006-04-05 |
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