BR0013712A - Multi-module encoding method - Google Patents

Multi-module encoding method

Info

Publication number
BR0013712A
BR0013712A BR0013712-0A BR0013712A BR0013712A BR 0013712 A BR0013712 A BR 0013712A BR 0013712 A BR0013712 A BR 0013712A BR 0013712 A BR0013712 A BR 0013712A
Authority
BR
Brazil
Prior art keywords
module
encoding method
module encoding
coding
decoding
Prior art date
Application number
BR0013712-0A
Other languages
Portuguese (pt)
Inventor
Marco Sasselli
John Michael Hill
Christophe Nicolas
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 BR0013712A publication Critical patent/BR0013712A/en

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Slot Machines And Peripheral Devices (AREA)

Abstract

"MéTODO DE CODIFICAçãO MULTI-MóDULOS". Quando da utilização de um módulo de codificação-decodificação, há métodos para determinar a chave ou as chaves utilizadas pelo módulo, analisando os dados que entram ou que saem do módulo. Para remediar este defeito, o método multi-módulos proposto consiste no fato de que o módulo jusante inicia suas operações de codificação-decodificação assim que uma parte dos resultados do módulo montante estiver disponível."MULTI-MODULE CODING METHOD". When using an encoding-decoding module, there are methods for determining the key or keys used by the module by analyzing data entering or leaving the module. To remedy this defect, the proposed multi-module method consists in the fact that the downstream module begins its coding-decoding operations as soon as a portion of the upstream module results are available.

BR0013712-0A 1999-08-30 2000-08-24 Multi-module encoding method BR0013712A (en)

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 (en) 1999-08-30 2000-08-24 Multiple module encryption method

Publications (1)

Publication Number Publication Date
BR0013712A true BR0013712A (en) 2002-05-07

Family

ID=25688037

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0013712-0A BR0013712A (en) 1999-08-30 2000-08-24 Multi-module encoding method

Country Status (27)

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

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 (en) * 1995-10-25 1996-11-28 Siemens Ag Security chip for data protection

Also Published As

Publication number Publication date
EE200200106A (en) 2003-04-15
EA200200184A1 (en) 2002-06-27
AP2002002433A0 (en) 2002-03-31
BG64520B1 (en) 2005-05-31
CN1371563A (en) 2002-09-25
CZ2002582A3 (en) 2002-07-17
EP1208666A1 (en) 2002-05-29
CU22950A3 (en) 2004-04-13
CA2383042A1 (en) 2001-03-08
BG106436A (en) 2002-10-31
IL148285A0 (en) 2002-09-12
EA003745B1 (en) 2003-08-28
JP2003508965A (en) 2003-03-04
MXPA02001849A (en) 2004-02-26
SK2892002A3 (en) 2002-07-02
TR200200525T2 (en) 2002-07-22
CN100448193C (en) 2008-12-31
NO20020951L (en) 2002-04-23
DZ3193A1 (en) 2001-03-08
OA12153A (en) 2006-05-08
NO20020951D0 (en) 2002-02-27
PL353795A1 (en) 2003-12-01
NZ517438A (en) 2003-09-26
HK1048407A1 (en) 2003-03-28
HRP20020179A2 (en) 2004-02-29
HUP0202691A2 (en) 2002-12-28
KR20020041807A (en) 2002-06-03
WO2001017159A1 (en) 2001-03-08
MA25431A1 (en) 2002-04-01
AU769437B2 (en) 2004-01-29
HU224846B1 (en) 2006-03-28
AU6311800A (en) 2001-03-26
HK1048407B (en) 2009-09-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A, 8A E 9A ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2008 DE 30/06/2009.