DE69320715D1 - Verfahren zur Ausführung einer Geheimübertragung mit öffentlichem Schlüssel - Google Patents

Verfahren zur Ausführung einer Geheimübertragung mit öffentlichem Schlüssel

Info

Publication number
DE69320715D1
DE69320715D1 DE69320715T DE69320715T DE69320715D1 DE 69320715 D1 DE69320715 D1 DE 69320715D1 DE 69320715 T DE69320715 T DE 69320715T DE 69320715 T DE69320715 T DE 69320715T DE 69320715 D1 DE69320715 D1 DE 69320715D1
Authority
DE
Germany
Prior art keywords
procedure
public key
key secret
secret transmission
transmission
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.)
Expired - Lifetime
Application number
DE69320715T
Other languages
English (en)
Other versions
DE69320715T2 (de
Inventor
David Naccache
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vantiva SA
Original Assignee
Thomson Multimedia SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Publication of DE69320715D1 publication Critical patent/DE69320715D1/de
Application granted granted Critical
Publication of DE69320715T2 publication Critical patent/DE69320715T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06F7/728—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 using Montgomery reduction
    • 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
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Storage Device Security (AREA)
DE1993620715 1992-06-29 1993-06-24 Verfahren zur Ausführung einer Geheimübertragung mit öffentlichem Schlüssel Expired - Lifetime DE69320715T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92401838 1992-06-29

Publications (2)

Publication Number Publication Date
DE69320715D1 true DE69320715D1 (de) 1998-10-08
DE69320715T2 DE69320715T2 (de) 1999-01-21

Family

ID=8211678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993620715 Expired - Lifetime DE69320715T2 (de) 1992-06-29 1993-06-24 Verfahren zur Ausführung einer Geheimübertragung mit öffentlichem Schlüssel

Country Status (2)

Country Link
EP (1) EP0577000B1 (de)
DE (1) DE69320715T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3525209B2 (ja) * 1996-04-05 2004-05-10 株式会社 沖マイクロデザイン べき乗剰余演算回路及びべき乗剰余演算システム及びべき乗剰余演算のための演算方法
DE19820605A1 (de) 1998-05-08 1999-11-11 Giesecke & Devrient Gmbh Verfahren zur sicheren Verteilung von Software
EP1920324A1 (de) 2005-08-19 2008-05-14 Nxp B.V. Schaltungsanordnung und verfahren zur durchführung eines inversionsablaufs in einer kryptografischen berechnung

Also Published As

Publication number Publication date
EP0577000B1 (de) 1998-09-02
EP0577000A1 (de) 1994-01-05
DE69320715T2 (de) 1999-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)