DE69327238T2 - Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft - Google Patents

Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft

Info

Publication number
DE69327238T2
DE69327238T2 DE69327238T DE69327238T DE69327238T2 DE 69327238 T2 DE69327238 T2 DE 69327238T2 DE 69327238 T DE69327238 T DE 69327238T DE 69327238 T DE69327238 T DE 69327238T DE 69327238 T2 DE69327238 T2 DE 69327238T2
Authority
DE
Germany
Prior art keywords
signer
mod
rule
message
digital signature
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
DE69327238T
Other languages
English (en)
Other versions
DE69327238D1 (de
Inventor
Kaisa Nyberg
Rainer A Rueppel
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.)
Certicom Corp
Original Assignee
ENTRUST TECHNOLOGIES SWITZERLA
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 ENTRUST TECHNOLOGIES SWITZERLA filed Critical ENTRUST TECHNOLOGIES SWITZERLA
Publication of DE69327238D1 publication Critical patent/DE69327238D1/de
Application granted granted Critical
Publication of DE69327238T2 publication Critical patent/DE69327238T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04L9/08—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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Collating Specific Patterns (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69327238T 1993-08-17 1993-08-17 Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft Expired - Lifetime DE69327238T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93113119A EP0639907B1 (de) 1993-08-17 1993-08-17 Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft

Publications (2)

Publication Number Publication Date
DE69327238D1 DE69327238D1 (de) 2000-01-13
DE69327238T2 true DE69327238T2 (de) 2000-09-07

Family

ID=8213182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327238T Expired - Lifetime DE69327238T2 (de) 1993-08-17 1993-08-17 Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft

Country Status (5)

Country Link
US (1) US5600725A (de)
EP (1) EP0639907B1 (de)
AT (1) ATE187588T1 (de)
CA (1) CA2130250C (de)
DE (1) DE69327238T2 (de)

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US5761305A (en) * 1995-04-21 1998-06-02 Certicom Corporation Key agreement and transport protocol with implicit signatures
US7243232B2 (en) 1995-04-21 2007-07-10 Certicom Corp. Key agreement and transport protocol
US6785813B1 (en) * 1997-11-07 2004-08-31 Certicom Corp. Key agreement and transport protocol with implicit signatures
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US7334127B2 (en) 1995-04-21 2008-02-19 Certicom Corp. Key agreement and transport protocol
US6487661B2 (en) 1995-04-21 2002-11-26 Certicom Corp. Key agreement and transport protocol
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Also Published As

Publication number Publication date
DE69327238D1 (de) 2000-01-13
EP0639907B1 (de) 1999-12-08
US5600725A (en) 1997-02-04
CA2130250C (en) 2005-03-29
ATE187588T1 (de) 1999-12-15
EP0639907A1 (de) 1995-02-22
CA2130250A1 (en) 1995-02-18

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ENTRUST TECHNOLOGIES ( SWITZERLAND) LTD. LIAB. CO.

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: CERTICOM CORP., MISSISSAUGA, ONTARIO, CA

8328 Change in the person/name/address of the agent

Representative=s name: MERH-IP MATIAS ERNY REICHL HOFFMANN, 80336 MUENCHE