NO20020951L - Fremgangsmåte for multimodul kryptering - Google Patents

Fremgangsmåte for multimodul kryptering

Info

Publication number
NO20020951L
NO20020951L NO20020951A NO20020951A NO20020951L NO 20020951 L NO20020951 L NO 20020951L NO 20020951 A NO20020951 A NO 20020951A NO 20020951 A NO20020951 A NO 20020951A NO 20020951 L NO20020951 L NO 20020951L
Authority
NO
Norway
Prior art keywords
module
encryption
multimodule
procedure
decryptification
Prior art date
Application number
NO20020951A
Other languages
English (en)
Other versions
NO20020951D0 (no
Inventor
Marco Sasselli
Christophe Nicolas
Michael John Hill
Original Assignee
Nagracard 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 Nagracard Sa filed Critical Nagracard Sa
Publication of NO20020951D0 publication Critical patent/NO20020951D0/no
Publication of NO20020951L publication Critical patent/NO20020951L/no

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
    • 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]
    • 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
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

Ved bruken av en kryptifisering-dekryptifiseirngsmodul finnes det metoder for å bestemme nøkkelen eller nøklene som benyttes av modulen ved å analysere dataene som går inn og ut av modulen. For å korrigere denne defekten så består den foreslåt-te multi-modul-metoden i å la en kryptifisering-dekryptifiseringsmodul starte sine ope-rasjoner så snart en del av resultatet fra den foregående kryptifisering-dekryptifiser-ingsmodulen er tilgjengelig.
NO20020951A 1999-08-30 2002-02-27 Fremgangsmåte for multimodul kryptering NO20020951L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH157399 1999-08-30
US19417100P 2000-04-03 2000-04-03
PCT/IB2000/001157 WO2001017159A1 (fr) 1999-08-30 2000-08-24 Methode d'encryptage multi-modules

Publications (2)

Publication Number Publication Date
NO20020951D0 NO20020951D0 (no) 2002-02-27
NO20020951L true NO20020951L (no) 2002-04-23

Family

ID=25688037

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20020951A NO20020951L (no) 1999-08-30 2002-02-27 Fremgangsmåte for multimodul kryptering

Country Status (27)

Country Link
EP (1) EP1208666A1 (no)
JP (1) JP2003508965A (no)
KR (1) KR20020041807A (no)
CN (1) CN100448193C (no)
AP (1) AP2002002433A0 (no)
AU (1) AU769437B2 (no)
BG (1) BG64520B1 (no)
BR (1) BR0013712A (no)
CA (1) CA2383042A1 (no)
CU (1) CU22950A3 (no)
CZ (1) CZ2002582A3 (no)
DZ (1) DZ3193A1 (no)
EA (1) EA003745B1 (no)
EE (1) EE200200106A (no)
HK (1) HK1048407B (no)
HR (1) HRP20020179A2 (no)
HU (1) HU224846B1 (no)
IL (1) IL148285A0 (no)
MA (1) MA25431A1 (no)
MX (1) MXPA02001849A (no)
NO (1) NO20020951L (no)
NZ (1) NZ517438A (no)
OA (1) OA12153A (no)
PL (1) PL353795A1 (no)
SK (1) SK2892002A3 (no)
TR (1) TR200200525T2 (no)
WO (1) WO2001017159A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8775319B2 (en) 2006-05-15 2014-07-08 The Directv Group, Inc. Secure content transfer systems and methods to operate the same
US10397258B2 (en) 2017-01-30 2019-08-27 Microsoft Technology Licensing, Llc Continuous learning for intrusion detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594797A (en) * 1995-02-22 1997-01-14 Nokia Mobile Phones Variable security level encryption
DE19539700C1 (de) * 1995-10-25 1996-11-28 Siemens Ag Sicherheitschip

Also Published As

Publication number Publication date
NZ517438A (en) 2003-09-26
OA12153A (fr) 2006-05-08
HK1048407A1 (en) 2003-03-28
PL353795A1 (en) 2003-12-01
AP2002002433A0 (en) 2002-03-31
BG106436A (en) 2002-10-31
TR200200525T2 (tr) 2002-07-22
HK1048407B (zh) 2009-09-25
WO2001017159A1 (fr) 2001-03-08
EE200200106A (et) 2003-04-15
HRP20020179A2 (en) 2004-02-29
AU6311800A (en) 2001-03-26
IL148285A0 (en) 2002-09-12
CA2383042A1 (en) 2001-03-08
BG64520B1 (bg) 2005-05-31
HUP0202691A2 (en) 2002-12-28
KR20020041807A (ko) 2002-06-03
EP1208666A1 (fr) 2002-05-29
CU22950A3 (es) 2004-04-13
AU769437B2 (en) 2004-01-29
MA25431A1 (fr) 2002-04-01
EA200200184A1 (ru) 2002-06-27
CN1371563A (zh) 2002-09-25
SK2892002A3 (en) 2002-07-02
BR0013712A (pt) 2002-05-07
JP2003508965A (ja) 2003-03-04
CZ2002582A3 (cs) 2002-07-17
MXPA02001849A (es) 2004-02-26
HU224846B1 (en) 2006-03-28
CN100448193C (zh) 2008-12-31
NO20020951D0 (no) 2002-02-27
DZ3193A1 (fr) 2001-03-08
EA003745B1 (ru) 2003-08-28

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application