CN100448193C - 多模块加密方法 - Google Patents

多模块加密方法 Download PDF

Info

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
Authority
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
Other languages
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 SARL
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

Links

Images

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7409562B2 (en) 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
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
HK1048407B (zh) 2009-09-25
CA2383042A1 (en) 2001-03-08
CU22950A3 (es) 2004-04-13
HUP0202691A2 (en) 2002-12-28
SK2892002A3 (en) 2002-07-02
TR200200525T2 (tr) 2002-07-22
WO2001017159A1 (fr) 2001-03-08
NZ517438A (en) 2003-09-26
AU6311800A (en) 2001-03-26
AP2002002433A0 (en) 2002-03-31
JP2003508965A (ja) 2003-03-04
BG64520B1 (bg) 2005-05-31
BG106436A (en) 2002-10-31
EP1208666A1 (fr) 2002-05-29
EA003745B1 (ru) 2003-08-28
HK1048407A1 (zh) 2003-03-28
OA12153A (fr) 2006-05-08
EE200200106A (et) 2003-04-15
CZ2002582A3 (cs) 2002-07-17
BR0013712A (pt) 2002-05-07
HU224846B1 (en) 2006-03-28
HRP20020179A2 (en) 2004-02-29
NO20020951D0 (no) 2002-02-27
MA25431A1 (fr) 2002-04-01
MXPA02001849A (es) 2004-02-26
IL148285A0 (en) 2002-09-12
KR20020041807A (ko) 2002-06-03
EA200200184A1 (ru) 2002-06-27
PL353795A1 (pl) 2003-12-01
NO20020951L (no) 2002-04-23
AU769437B2 (en) 2004-01-29
DZ3193A1 (fr) 2001-03-08
CN1371563A (zh) 2002-09-25

Similar Documents

Publication Publication Date Title
Young et al. Kleptography: Using cryptography against cryptography
US9571268B2 (en) Method and system for homomorphicly randomizing an input
Jaju et al. A Modified RSA algorithm to enhance security for digital signature
US9648026B2 (en) Cryptographic method for securely exchanging messages and device and system for implementing this method
JP2012129993A (ja) 暗号装置の保護方法及び保護システム
CN110474908A (zh) 交易监管方法与装置、存储介质及计算机设备
Li et al. PAMA: A proactive approach to mitigate false data injection attacks in smart grids
Mewada et al. Exploration of efficient symmetric AES algorithm
Ganapathy et al. Add-on security model for public-key cryptosystem based on magic square implementation
Wahballa et al. Medical Image Encryption Scheme Based on Arnold Transformation and ID-AK Protocol.
CN100448193C (zh) 多模块加密方法
Babu et al. Higher dimensional chaos for Audio encryption
Mateescu et al. A hybrid approach of system security for small and medium enterprises: Combining different cryptography techniques
US20060153372A1 (en) Smart card and method protecting secret key
US7190790B1 (en) Multiple module encryption method
Acholli et al. VLSI implementation of hybrid cryptography algorithm using LFSR key
Shoukat et al. A survey about the latest trends and research issues of cryptographic elements
Ahmed et al. Implementation of rc5 block cipher algorithm for image cryptosystems
CN112380404A (zh) 数据过滤方法、装置及系统
Philip et al. Survey: Image encryption using chaotic cryptography schemes
Dewoprabowo et al. Formal verification of divide and conquer key distribution protocol using ProVerif and TLA+
Mancy et al. A new diffusion and substitution based cryptosystem for securing medical image applications
Acharya et al. Privacy protection of biometric traits using modified hill cipher with involutory key and robust cryptosystem
Hakim et al. Hybrid cryptosystem enhanced RSA and RC4 chaotic map: A tutorial
McEvoy et al. All-or-nothing transforms as a countermeasure to differential side-channel analysis

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1048407

Country of ref document: HK

C56 Change in the name or address of the patentee

Owner name: NAGRA IMAGE CO., LTD.

Free format text: FORMER NAME: NAGELAKADE CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Swiss shesuo - Suhl - Lausanne

Patentee after: Nagravision SA

Address before: Swiss shesuo - Suhl - Lausanne

Patentee before: Nagrakad S. A.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20180824

CF01 Termination of patent right due to non-payment of annual fee