EP1208666A1 - Methode d'encryptage multi-modules - Google Patents

Methode d'encryptage multi-modules

Info

Publication number
EP1208666A1
EP1208666A1 EP00949864A EP00949864A EP1208666A1 EP 1208666 A1 EP1208666 A1 EP 1208666A1 EP 00949864 A EP00949864 A EP 00949864A EP 00949864 A EP00949864 A EP 00949864A EP 1208666 A1 EP1208666 A1 EP 1208666A1
Authority
EP
European Patent Office
Prior art keywords
encryption
module
decryption
key
modules
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Withdrawn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
EP00949864A
Other languages
German (de)
English (en)
French (fr)
Inventor
Marco Sasselli
Christophe Nicolas
Michael John Hill
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.)
Nagravision SARL
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 EP1208666A1 publication Critical patent/EP1208666A1/fr
Withdrawn legal-status Critical Current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
    • 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
EP00949864A 1999-08-30 2000-08-24 Methode d'encryptage multi-modules Withdrawn EP1208666A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH157399 1999-08-30
CH157399 1999-08-30
US19417100P 2000-04-03 2000-04-03
US194171P 2000-04-03
PCT/IB2000/001157 WO2001017159A1 (fr) 1999-08-30 2000-08-24 Methode d'encryptage multi-modules

Publications (1)

Publication Number Publication Date
EP1208666A1 true EP1208666A1 (fr) 2002-05-29

Family

ID=25688037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949864A Withdrawn EP1208666A1 (fr) 1999-08-30 2000-08-24 Methode d'encryptage multi-modules

Country Status (27)

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

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0117159A1 *

Also Published As

Publication number Publication date
NO20020951D0 (no) 2002-02-27
BG64520B1 (bg) 2005-05-31
AU6311800A (en) 2001-03-26
TR200200525T2 (tr) 2002-07-22
MXPA02001849A (es) 2004-02-26
BR0013712A (pt) 2002-05-07
JP2003508965A (ja) 2003-03-04
CN100448193C (zh) 2008-12-31
CA2383042A1 (en) 2001-03-08
HK1048407A1 (en) 2003-03-28
PL353795A1 (en) 2003-12-01
SK2892002A3 (en) 2002-07-02
AP2002002433A0 (en) 2002-03-31
IL148285A0 (en) 2002-09-12
HRP20020179A2 (en) 2004-02-29
WO2001017159A1 (fr) 2001-03-08
DZ3193A1 (fr) 2001-03-08
HU224846B1 (en) 2006-03-28
BG106436A (en) 2002-10-31
CU22950A3 (es) 2004-04-13
EA003745B1 (ru) 2003-08-28
MA25431A1 (fr) 2002-04-01
NZ517438A (en) 2003-09-26
AU769437B2 (en) 2004-01-29
HK1048407B (zh) 2009-09-25
HUP0202691A2 (en) 2002-12-28
CN1371563A (zh) 2002-09-25
CZ2002582A3 (cs) 2002-07-17
EE200200106A (et) 2003-04-15
EA200200184A1 (ru) 2002-06-27
NO20020951L (no) 2002-04-23
KR20020041807A (ko) 2002-06-03
OA12153A (fr) 2006-05-08

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