CN1682485A - 产生公共密钥的方法和系统 - Google Patents
产生公共密钥的方法和系统 Download PDFInfo
- Publication number
- CN1682485A CN1682485A CNA038221918A CN03822191A CN1682485A CN 1682485 A CN1682485 A CN 1682485A CN A038221918 A CNA038221918 A CN A038221918A CN 03822191 A CN03822191 A CN 03822191A CN 1682485 A CN1682485 A CN 1682485A
- Authority
- CN
- China
- Prior art keywords
- user device
- user
- data
- hellmann
- operations
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
-
- 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
-
- 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
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02078952.5 | 2002-09-20 | ||
| EP02078952 | 2002-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1682485A true CN1682485A (zh) | 2005-10-12 |
Family
ID=32011014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA038221918A Pending CN1682485A (zh) | 2002-09-20 | 2003-08-11 | 产生公共密钥的方法和系统 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060050886A1 (https=) |
| EP (1) | EP1543649A1 (https=) |
| JP (1) | JP2006500814A (https=) |
| KR (1) | KR20050057474A (https=) |
| CN (1) | CN1682485A (https=) |
| AU (1) | AU2003255923A1 (https=) |
| WO (1) | WO2004028075A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113168A (zh) * | 2015-01-16 | 2017-08-29 | 日本电信电话株式会社 | 密钥交换方法、密钥交换系统、密钥装置、终端装置和程序 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100617456B1 (ko) * | 2004-04-28 | 2006-08-31 | 주식회사 니츠 | 비밀키 관리 기능을 가지는 비밀키 단말장치 및 비밀키관리방법 |
| US7664957B2 (en) | 2004-05-20 | 2010-02-16 | Ntt Docomo, Inc. | Digital signatures including identity-based aggregate signatures |
| KR101338409B1 (ko) | 2007-01-25 | 2013-12-10 | 삼성전자주식회사 | 애드-혹 네트워크에서 분산 rsa서명을 생성하는 방법 및상기 애드-혹 네트워크의 노드 |
| US9154302B2 (en) * | 2012-01-25 | 2015-10-06 | CertiVox Ltd. | System and method for secure two-factor authenticated ID-based key exchange and remote login using an insecure token and simple second-factor such as a PIN number |
| US9106644B2 (en) | 2013-05-30 | 2015-08-11 | CertiVox Ltd. | Authentication |
| GB201309702D0 (en) | 2013-05-30 | 2013-07-17 | Certivox Ltd | Security |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218637A (en) * | 1987-09-07 | 1993-06-08 | L'etat Francais Represente Par Le Ministre Des Postes, Des Telecommunications Et De L'espace | Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization |
| US6226383B1 (en) * | 1996-04-17 | 2001-05-01 | Integrity Sciences, Inc. | Cryptographic methods for remote authentication |
-
2003
- 2003-08-11 KR KR1020057004732A patent/KR20050057474A/ko not_active Withdrawn
- 2003-08-11 AU AU2003255923A patent/AU2003255923A1/en not_active Abandoned
- 2003-08-11 JP JP2004537385A patent/JP2006500814A/ja not_active Withdrawn
- 2003-08-11 US US10/528,487 patent/US20060050886A1/en not_active Abandoned
- 2003-08-11 WO PCT/IB2003/003641 patent/WO2004028075A1/en not_active Ceased
- 2003-08-11 EP EP03797422A patent/EP1543649A1/en not_active Withdrawn
- 2003-08-11 CN CNA038221918A patent/CN1682485A/zh active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113168A (zh) * | 2015-01-16 | 2017-08-29 | 日本电信电话株式会社 | 密钥交换方法、密钥交换系统、密钥装置、终端装置和程序 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003255923A1 (en) | 2004-04-08 |
| US20060050886A1 (en) | 2006-03-09 |
| EP1543649A1 (en) | 2005-06-22 |
| KR20050057474A (ko) | 2005-06-16 |
| JP2006500814A (ja) | 2006-01-05 |
| WO2004028075A1 (en) | 2004-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |