CN100448193C - 多模块加密方法 - Google Patents

多模块加密方法 Download PDF

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Publication number
CN100448193C
CN100448193C CNB008122938A CN00812293A CN100448193C CN 100448193 C CN100448193 C CN 100448193C CN B008122938 A CNB008122938 A CN B008122938A CN 00812293 A CN00812293 A CN 00812293A CN 100448193 C CN100448193 C CN 100448193C
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CN
China
Prior art keywords
module
encrypting
key
deciphering
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.)
Expired - Fee Related
Application number
CNB008122938A
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English (en)
Chinese (zh)
Other versions
CN1371563A (zh
Inventor
马尔科·萨塞利
克里斯托弗·尼科拉斯
迈克尔·约汉·西尔
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 SA
Original Assignee
Nagrakad S A
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 Nagrakad S A filed Critical Nagrakad S A
Publication of CN1371563A publication Critical patent/CN1371563A/zh
Application granted granted Critical
Publication of CN100448193C publication Critical patent/CN100448193C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
CNB008122938A 1999-08-30 2000-08-24 多模块加密方法 Expired - Fee Related CN100448193C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH157399 1999-08-30
CH1573/99 1999-08-30
US19417100P 2000-04-03 2000-04-03
US60/194,171 2000-04-03

Publications (2)

Publication Number Publication Date
CN1371563A CN1371563A (zh) 2002-09-25
CN100448193C true CN100448193C (zh) 2008-12-31

Family

ID=25688037

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008122938A Expired - Fee Related CN100448193C (zh) 1999-08-30 2000-08-24 多模块加密方法

Country Status (27)

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

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

Citations (1)

* 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539700C1 (de) * 1995-10-25 1996-11-28 Siemens Ag Sicherheitschip

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
EE200200106A (et) 2003-04-15
NZ517438A (en) 2003-09-26
DZ3193A1 (fr) 2001-03-08
OA12153A (fr) 2006-05-08
WO2001017159A1 (fr) 2001-03-08
EP1208666A1 (fr) 2002-05-29
SK2892002A3 (en) 2002-07-02
EA003745B1 (ru) 2003-08-28
BG106436A (en) 2002-10-31
CU22950A3 (es) 2004-04-13
BG64520B1 (bg) 2005-05-31
HU224846B1 (en) 2006-03-28
AP2002002433A0 (en) 2002-03-31
MXPA02001849A (es) 2004-02-26
NO20020951L (no) 2002-04-23
AU769437B2 (en) 2004-01-29
PL353795A1 (en) 2003-12-01
HK1048407B (zh) 2009-09-25
CN1371563A (zh) 2002-09-25
HK1048407A1 (en) 2003-03-28
AU6311800A (en) 2001-03-26
CZ2002582A3 (cs) 2002-07-17
KR20020041807A (ko) 2002-06-03
MA25431A1 (fr) 2002-04-01
JP2003508965A (ja) 2003-03-04
EA200200184A1 (ru) 2002-06-27
CA2383042A1 (en) 2001-03-08
TR200200525T2 (tr) 2002-07-22
NO20020951D0 (no) 2002-02-27
BR0013712A (pt) 2002-05-07
HRP20020179A2 (en) 2004-02-29
HUP0202691A2 (en) 2002-12-28
IL148285A0 (en) 2002-09-12

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