EP1504560A4 - Method for protecting secret key cryptographic schemes - Google Patents

Method for protecting secret key cryptographic schemes

Info

Publication number
EP1504560A4
EP1504560A4 EP03718989A EP03718989A EP1504560A4 EP 1504560 A4 EP1504560 A4 EP 1504560A4 EP 03718989 A EP03718989 A EP 03718989A EP 03718989 A EP03718989 A EP 03718989A EP 1504560 A4 EP1504560 A4 EP 1504560A4
Authority
EP
European Patent Office
Prior art keywords
secret key
key cryptographic
cryptographic schemes
protecting secret
protecting
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.)
Withdrawn
Application number
EP03718989A
Other languages
German (de)
French (fr)
Other versions
EP1504560A2 (en
Inventor
Carl Alko Meijer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1504560A2 publication Critical patent/EP1504560A2/en
Publication of EP1504560A4 publication Critical patent/EP1504560A4/en
Withdrawn legal-status Critical Current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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • 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
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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
    • H04L9/3271—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 using challenge-response
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lock And Its Accessories (AREA)
  • Storage Device Security (AREA)
EP03718989A 2002-04-30 2003-04-29 Method for protecting secret key cryptographic schemes Withdrawn EP1504560A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA200201944 2002-04-30
ZA200201944 2002-04-30
PCT/IB2003/001653 WO2003094483A2 (en) 2002-04-30 2003-04-29 Method for protecting secret key cryptographic schemes

Publications (2)

Publication Number Publication Date
EP1504560A2 EP1504560A2 (en) 2005-02-09
EP1504560A4 true EP1504560A4 (en) 2007-11-28

Family

ID=29401960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03718989A Withdrawn EP1504560A4 (en) 2002-04-30 2003-04-29 Method for protecting secret key cryptographic schemes

Country Status (3)

Country Link
EP (1) EP1504560A4 (en)
AU (1) AU2003223022A1 (en)
WO (1) WO2003094483A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605820A (en) * 1983-11-10 1986-08-12 Visa U.S.A. Inc. Key management system for on-line communication
US5003596A (en) * 1989-08-17 1991-03-26 Cryptech, Inc. Method of cryptographically transforming electronic digital data from one form to another
US6075859A (en) * 1997-03-11 2000-06-13 Qualcomm Incorporated Method and apparatus for encrypting data in a wireless communication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766317B1 (en) * 1997-07-15 1999-09-24 Alsthom Cge Alcatel DEVICE FOR CONNECTING A TELEPHONE SWITCH TO A FIXED TELEPHONE NETWORK VIA A PLURALITY OF FIXED RADIOTELEPHONIC TERMINALS OF A RADIOTELEPHONE NETWORK
DE19820422A1 (en) * 1998-05-07 1999-11-11 Giesecke & Devrient Gmbh Method for authenticating a chip card within a message transmission network
US6338140B1 (en) * 1998-07-27 2002-01-08 Iridium Llc Method and system for validating subscriber identities in a communications network
WO2001069838A2 (en) * 2000-03-15 2001-09-20 Nokia Corporation Method, and associated apparatus, for generating security keys in a communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605820A (en) * 1983-11-10 1986-08-12 Visa U.S.A. Inc. Key management system for on-line communication
US5003596A (en) * 1989-08-17 1991-03-26 Cryptech, Inc. Method of cryptographically transforming electronic digital data from one form to another
US6075859A (en) * 1997-03-11 2000-06-13 Qualcomm Incorporated Method and apparatus for encrypting data in a wireless communication system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HELENA HANDSCHUH, PASCAL PAILLIER: "Reducing the Collision Probability of Alleged Comp128", 2000, SPRINGER BERLIN / HEIDELBERG, ISSN: 1611-3349, XP002455434 *
SCHUBERT A ET AL: "Reusable cryptographic VLSI core based on the SAFER K-128 algorithm with 251.8 Mbit/s throughput", SIGNAL PROCESSING SYSTEMS, 1998. SIPS 98. 1998 IEEE WORKSHOP ON CAMBRIDGE, MA, USA 8-10 OCT. 1998, NEW YORK, NY, USA,IEEE, US, 8 October 1998 (1998-10-08), pages 437 - 446, XP010303746, ISBN: 0-7803-4997-0 *

Also Published As

Publication number Publication date
AU2003223022A1 (en) 2003-11-17
EP1504560A2 (en) 2005-02-09
AU2003223022A8 (en) 2003-11-17
WO2003094483A2 (en) 2003-11-13
WO2003094483A3 (en) 2004-01-29

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Legal Events

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Effective date: 20071030

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18D Application deemed to be withdrawn

Effective date: 20071126