DE69935913D1 - Leckresistente aktualisierung eines indexierten kryptographischen schlüssels - Google Patents

Leckresistente aktualisierung eines indexierten kryptographischen schlüssels

Info

Publication number
DE69935913D1
DE69935913D1 DE69935913T DE69935913T DE69935913D1 DE 69935913 D1 DE69935913 D1 DE 69935913D1 DE 69935913 T DE69935913 T DE 69935913T DE 69935913 T DE69935913 T DE 69935913T DE 69935913 D1 DE69935913 D1 DE 69935913D1
Authority
DE
Germany
Prior art keywords
card
transactions
cards
keys
update 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.)
Expired - Lifetime
Application number
DE69935913T
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English (en)
Other versions
DE69935913T2 (de
Inventor
Paul C Kocher
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.)
Cryptography Research Inc
Original Assignee
Cryptography Research Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22228888&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69935913(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryptography Research Inc filed Critical Cryptography Research Inc
Application granted granted Critical
Publication of DE69935913D1 publication Critical patent/DE69935913D1/de
Publication of DE69935913T2 publication Critical patent/DE69935913T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08Mechanisms 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
    • G07F7/10Mechanisms 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
    • G07F7/1008Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/30Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/40Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/409Device specific authentication in transaction processing
    • G06Q20/4097Device specific authentication in transaction processing using mutual authentication between devices and transaction partners
    • G06Q20/40975Device specific authentication in transaction processing using mutual authentication between devices and transaction partners using encryption therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002Countermeasures against attacks on cryptographic mechanisms
    • H04L9/003Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891Revocation or update of secret information, e.g. encryption key update or rekeying
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/72Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219Countermeasures against side channel or fault attacks
DE69935913T 1998-07-02 1999-07-02 Leckresistente aktualisierung eines indexierten kryptographischen schlüssels Expired - Lifetime DE69935913T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9164498P 1998-07-02 1998-07-02
US91644P 1998-07-02
PCT/US1999/015146 WO2000002342A2 (en) 1998-07-02 1999-07-02 Leak-resistant cryptographic indexed key update

Publications (2)

Publication Number Publication Date
DE69935913D1 true DE69935913D1 (de) 2007-06-06
DE69935913T2 DE69935913T2 (de) 2008-01-10

Family

ID=22228888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69935913T Expired - Lifetime DE69935913T2 (de) 1998-07-02 1999-07-02 Leckresistente aktualisierung eines indexierten kryptographischen schlüssels

Country Status (8)

Country Link
US (5) US6539092B1 (de)
EP (1) EP1092297B1 (de)
JP (1) JP4216475B2 (de)
AT (1) ATE360866T1 (de)
AU (1) AU5458199A (de)
CA (1) CA2334597C (de)
DE (1) DE69935913T2 (de)
WO (1) WO2000002342A2 (de)

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JP2002520905A (ja) 2002-07-09
WO2000002342A3 (en) 2000-04-13
US20030188158A1 (en) 2003-10-02
US20120017089A1 (en) 2012-01-19
US9852572B2 (en) 2017-12-26
EP1092297A4 (de) 2002-10-16
AU5458199A (en) 2000-01-24
US20080049940A1 (en) 2008-02-28
EP1092297A2 (de) 2001-04-18
US7941666B2 (en) 2011-05-10
DE69935913T2 (de) 2008-01-10
US9940772B2 (en) 2018-04-10
EP1092297B1 (de) 2007-04-25
JP4216475B2 (ja) 2009-01-28
ATE360866T1 (de) 2007-05-15
WO2000002342A2 (en) 2000-01-13
CA2334597C (en) 2007-09-04
CA2334597A1 (en) 2000-01-13
US6539092B1 (en) 2003-03-25

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