DE69936856D1 - Ausgewogene kryptographische rechenmethode und apparat zur schlupfminimierung in smartcards und anderen kryptosystemen - Google Patents

Ausgewogene kryptographische rechenmethode und apparat zur schlupfminimierung in smartcards und anderen kryptosystemen

Info

Publication number
DE69936856D1
DE69936856D1 DE69936856T DE69936856T DE69936856D1 DE 69936856 D1 DE69936856 D1 DE 69936856D1 DE 69936856 T DE69936856 T DE 69936856T DE 69936856 T DE69936856 T DE 69936856T DE 69936856 D1 DE69936856 D1 DE 69936856D1
Authority
DE
Germany
Prior art keywords
cryptographic
smartcards
leaky
cryptosystems
measurement method
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
DE69936856T
Other languages
English (en)
Other versions
DE69936856T2 (de
Inventor
Joshua M Jaffe
Paul C Kocher
Benjamin C Jun
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=22207806&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69936856(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 DE69936856D1 publication Critical patent/DE69936856D1/de
Publication of DE69936856T2 publication Critical patent/DE69936856T2/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
    • H04L9/06—Cryptographic 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • G06F21/755—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation with measures against power attack
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • 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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219—Countermeasures against side channel or fault attacks
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/122—Hardware reduction or efficient architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Credit Cards Or The Like (AREA)
  • Detergent Compositions (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69936856T 1998-06-03 1999-06-03 Ausgewogene kryptographische rechenmethode und apparat zur schlupfminimierung in smartcards und anderen kryptosystemen Expired - Lifetime DE69936856T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8787998P 1998-06-03 1998-06-03
US87879P 1998-06-03
PCT/US1999/012739 WO1999067766A2 (en) 1998-06-03 1999-06-03 Balanced cryptographic computational method and apparatus for leak minimization in smartcards and other cryptosystems

Publications (2)

Publication Number Publication Date
DE69936856D1 true DE69936856D1 (de) 2007-09-27
DE69936856T2 DE69936856T2 (de) 2008-04-30

Family

ID=22207806

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936856T Expired - Lifetime DE69936856T2 (de) 1998-06-03 1999-06-03 Ausgewogene kryptographische rechenmethode und apparat zur schlupfminimierung in smartcards und anderen kryptosystemen

Country Status (6)

Country Link
US (2) US6510518B1 (de)
EP (1) EP1088295B1 (de)
AT (2) ATE548819T1 (de)
AU (1) AU6238499A (de)
DE (1) DE69936856T2 (de)
WO (1) WO1999067766A2 (de)

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Also Published As

Publication number Publication date
US6654884B2 (en) 2003-11-25
WO1999067766A8 (en) 2000-07-27
EP1088295B1 (de) 2007-08-15
WO1999067766A3 (en) 2000-04-06
ATE370490T1 (de) 2007-09-15
EP1088295A4 (de) 2005-04-20
DE69936856T2 (de) 2008-04-30
WO1999067766A2 (en) 1999-12-29
US20030140240A1 (en) 2003-07-24
US6510518B1 (en) 2003-01-21
AU6238499A (en) 2000-01-10
EP1088295A2 (de) 2001-04-04
ATE548819T1 (de) 2012-03-15

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