JP2000502553A - 内在的署名を用いた鍵一致及び輸送プロトコル - Google Patents
内在的署名を用いた鍵一致及び輸送プロトコルInfo
- Publication number
- JP2000502553A JP2000502553A JP10519298A JP51929898A JP2000502553A JP 2000502553 A JP2000502553 A JP 2000502553A JP 10519298 A JP10519298 A JP 10519298A JP 51929898 A JP51929898 A JP 51929898A JP 2000502553 A JP2000502553 A JP 2000502553A
- Authority
- JP
- Japan
- Prior art keywords
- correspondent
- key
- signature
- protocol
- function
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 32
- 230000007774 longterm Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000001010 compromised effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
Classifications
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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
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
- G06F7/724—Finite field arithmetic
- G06F7/725—Finite field arithmetic over elliptic curves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
- Communication Control (AREA)
- Storage Device Security (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.1対の通信者A及びBが相互に情報を交換することを認証する方法であって 、前記通信者は、それぞれが、秘密鍵a及びbと、生成元αと前記秘密鍵a及び bのそれぞれとから導かれた公開鍵pA及びpBと、を有している方法において、 i)前記通信者の第1の者Aが、第1のランダムな整数xを選択し、前記生成 元を含む関数f(α)のg(x)をベキとする指数関数を作ることにより、第1の 指数関数f(α)g(x)を提供するステップと、 ii)前記第1の通信者Aが、前記ランダムな整数xと前記指数関数f(α)g(x) とから第1の署名sAを生成するステップと、 iii)前記第1の通信者Aが、第2の通信者Bに向けて、前記第1の指数関 数f(α)g(x)を含むメッセージを送るステップと、 iv)前記通信者Bが、第2のランダムな整数yを選択し、前記生成元を含む 関数f’(α)のg(y)をベキとする指数関数を作ることにより、第2の指数関 数f’(α)g(y)を提供するステップと、 v)前記第2の通信者Bが、第1の通信者Aに向けて、前記第2の指数関数f ’(α)g(y)を含むメッセージを送るステップと、 vi)前記通信者のそれぞれが、別の通信者によって公開とされた情報を、彼 らに対して秘密である情報を用いて指数化することによって、セッション鍵Kを 構成するステップと、 を含むことを特徴とする方法。 2.請求項1記載の方法において、前記第1の通信者によって送られる前記情報 は、前記第1の通信者のアイデンティフィケーション(ID)を含むことを特徴 とする方法。 3.請求項1記載の方法において、前記第2の通信者によって送られる前記情報 は、前記第2の通信者のIDを含むことを特徴とする方法。 4.請求項3記載の方法において、前記第1の通信者によって送られる前記メッ セージは、前記第1の通信者のIDを含むことを特徴とする方 法。 5.請求項1記載の方法において、前記生成元f(α)を含む前記第1の関数は 、前記生成元自体であることを特徴とする方法。 6.請求項1記載の方法において、前記生成元を含む前記第2の関数は、前記生 成元自体であることを特徴とする方法。 7.請求項6記載の方法において、前記生成元を含む前記第1の関数f(α)は 、前記生成元自体であることを特徴とする方法。 8.請求項1記載の方法において、前記生成元f(α)を含む前記第1の関数は 、前記第2の通信者の秘密鍵pBを含むことを特徴とする方法。 9.請求項1記載の方法において、前記生成元f’(α)を含む前記第2の関数 は、前記第1の通信者の秘密鍵pAを含むことを特徴とする方法。 10.請求項1記載の方法において、前記通信者の一方によって生成された前記 署名は、その一方の通信者の前記ランダムな整数と、指数関数と、秘密鍵とを組 み合わせることを特徴とする方法。 11.請求項10記載の方法において、通信者Aの前記署名は、x−rAaαa mod(p−1)の形式をとることを特徴とする方法。 12.請求項10記載の方法において、通信者Aの前記署名は、x+aαa(pB )x mod(p−1)の形式を有することを特徴とする方法。 13.請求項10記載の方法において、通信者Aの前記署名は、x1をAによっ て選択された第2のランダムな整数とし、rx1=αx1として、xrx1−(rA)r x1 aの形式を有することを特徴とする方法。 14.請求項10記載の方法において、通信者Bの前記署名は、yB−rBbαb mod(p−1)の形式をとることを特徴とする方法。 15.請求項10記載の方法において、通信者Bの前記署名は、y+bαb(pA )y mod(p−1)の形式を有することを特徴とする方法。 16.請求項10記載の方法において、通信者Bの前記署名は、y1を通信者B によって選択された第2の整数とし、ry1=αy1として、yry1−(rB)ry1b の形式を有することを特徴とする方法。 17.請求項11記載の方法において、通信者Aは、第2の整数x1を選択し、 rA1=αx1を通信者Bに送り、通信者Bは、第2のランダムな整数y1を選択し 、rB1=αy1を通信者Bに送り、前記通信者のそれぞれは、αxy及びαx1y1にそ れぞれ等しい1対の鍵k1及びk2を計算し、前記セッション鍵Kは、k1とk2と のXORを計算することによって生成されることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42671295A | 1995-04-21 | 1995-04-21 | |
US08/442,833 US5761305A (en) | 1995-04-21 | 1995-05-17 | Key agreement and transport protocol with implicit signatures |
PCT/US1996/016608 WO1998018234A1 (en) | 1995-04-21 | 1996-10-18 | Key agreement and transport protocol with implicit signatures |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009193282A Division JP2010011478A (ja) | 2009-08-24 | 2009-08-24 | 内在的署名を用いた鍵一致及び搬送方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2000502553A true JP2000502553A (ja) | 2000-02-29 |
JP2000502553A5 JP2000502553A5 (ja) | 2004-10-28 |
JP4384728B2 JP4384728B2 (ja) | 2009-12-16 |
Family
ID=27027154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51929898A Expired - Lifetime JP4384728B2 (ja) | 1995-04-21 | 1996-10-18 | 内在的署名を用いた鍵一致及び輸送プロトコル |
Country Status (7)
Country | Link |
---|---|
US (1) | US5761305A (ja) |
EP (1) | EP0873617B1 (ja) |
JP (1) | JP4384728B2 (ja) |
AU (1) | AU1405797A (ja) |
CA (1) | CA2237688C (ja) |
DE (1) | DE69636815T2 (ja) |
WO (1) | WO1998018234A1 (ja) |
Cited By (21)
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JP2007531422A (ja) * | 2004-04-02 | 2007-11-01 | リサーチ イン モーション リミテッド | ワイヤレスハンドヘルド装置を配置および提供すること |
JP2008518530A (ja) * | 2004-10-29 | 2008-05-29 | トムソン ライセンシング | セキュア認証チャネル |
JP2011109709A (ja) * | 2011-02-02 | 2011-06-02 | Thomson Licensing | セキュア認証チャネル |
JP2012151648A (ja) * | 2011-01-19 | 2012-08-09 | Nippon Telegr & Teleph Corp <Ntt> | 情報共有方法、情報共有システム、情報共有装置、及びプログラム |
JP2012521109A (ja) * | 2009-03-20 | 2012-09-10 | 四川▲長▼虹▲電▼器股▲分▼有限公司 | 身元認証及び共有鍵生成の方法 |
WO2018216749A1 (ja) * | 2017-05-25 | 2018-11-29 | Necネットワーク・センサ株式会社 | 暗号通信方法、情報処理装置及びプログラム |
JP2019507510A (ja) * | 2016-02-23 | 2019-03-14 | エヌチェーン ホールディングス リミテッドNchain Holdings Limited | 情報及び階層的で決定性の暗号化鍵のセキュアな交換のための共通秘密の決定 |
JP2019511035A (ja) * | 2016-02-23 | 2019-04-18 | エヌチェーン ホールディングス リミテッドNchain Holdings Limited | スマートコントラクトに基づく自動給与支払方法及びシステムをもたらす、ブロックチェーン上の給与支払に関連付けられた暗号通貨の効率的な転送のための方法及びシステム |
JP2020511069A (ja) * | 2017-03-01 | 2020-04-09 | アップル インコーポレイテッドApple Inc. | モバイルデバイスを使用したシステムアクセス |
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Also Published As
Publication number | Publication date |
---|---|
CA2237688A1 (en) | 1998-04-30 |
CA2237688C (en) | 2007-07-24 |
US5761305A (en) | 1998-06-02 |
EP0873617A1 (en) | 1998-10-28 |
DE69636815D1 (de) | 2007-02-15 |
WO1998018234A1 (en) | 1998-04-30 |
AU1405797A (en) | 1998-05-15 |
JP4384728B2 (ja) | 2009-12-16 |
EP0873617B1 (en) | 2007-01-03 |
DE69636815T2 (de) | 2007-11-08 |
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