ATE469476T1 - Verfahren und vorrichtung zum tarnen von daten, informationen und funktionstransformationen - Google Patents

Verfahren und vorrichtung zum tarnen von daten, informationen und funktionstransformationen

Info

Publication number
ATE469476T1
ATE469476T1 AT02721619T AT02721619T ATE469476T1 AT E469476 T1 ATE469476 T1 AT E469476T1 AT 02721619 T AT02721619 T AT 02721619T AT 02721619 T AT02721619 T AT 02721619T AT E469476 T1 ATE469476 T1 AT E469476T1
Authority
AT
Austria
Prior art keywords
secured
user
technique
information
camouflaging
Prior art date
Application number
AT02721619T
Other languages
English (en)
Inventor
Sanguthevar Rajasekaran
Original Assignee
Arcot Systems Inc
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
Priority claimed from US10/015,902 external-priority patent/US7454782B2/en
Application filed by Arcot Systems Inc filed Critical Arcot Systems Inc
Application granted granted Critical
Publication of ATE469476T1 publication Critical patent/ATE469476T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/04—Masking or blinding
    • H04L2209/046—Masking or blinding of operations, operands or results of the operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
AT02721619T 2001-03-29 2002-03-29 Verfahren und vorrichtung zum tarnen von daten, informationen und funktionstransformationen ATE469476T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28062901P 2001-03-29 2001-03-29
US09/874,795 US7328350B2 (en) 2001-03-29 2001-06-05 Method and apparatus for secure cryptographic key generation, certification and use
US10/015,902 US7454782B2 (en) 1997-12-23 2001-10-30 Method and system for camouflaging access-controlled data
PCT/US2002/009811 WO2002080430A1 (en) 2001-03-29 2002-03-29 Method and apparatus for camouflaging of data, information and functional transformations

Publications (1)

Publication Number Publication Date
ATE469476T1 true ATE469476T1 (de) 2010-06-15

Family

ID=26960411

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02719388T ATE499772T1 (de) 2001-03-29 2002-03-29 Verfahren und vorrichtung zur sicheren kryptographischen schlüsselerzeugung, - zertifizierung und -benutzung
AT02721619T ATE469476T1 (de) 2001-03-29 2002-03-29 Verfahren und vorrichtung zum tarnen von daten, informationen und funktionstransformationen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT02719388T ATE499772T1 (de) 2001-03-29 2002-03-29 Verfahren und vorrichtung zur sicheren kryptographischen schlüsselerzeugung, - zertifizierung und -benutzung

Country Status (6)

Country Link
US (3) US7328350B2 (de)
EP (3) EP2204943A1 (de)
JP (1) JP2004530346A (de)
AT (2) ATE499772T1 (de)
DE (2) DE60239265D1 (de)
WO (1) WO2002080445A1 (de)

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ATE499772T1 (de) 2011-03-15
EP1374473A4 (de) 2006-08-02
US8559639B2 (en) 2013-10-15
DE60236498D1 (de) 2010-07-08
US20020141575A1 (en) 2002-10-03
EP2204943A1 (de) 2010-07-07
EP1374473B1 (de) 2011-02-23
US8429720B2 (en) 2013-04-23
US20090138944A1 (en) 2009-05-28
US7328350B2 (en) 2008-02-05
DE60239265D1 (de) 2011-04-07
EP1374473A1 (de) 2004-01-02
JP2004530346A (ja) 2004-09-30
US20080181408A1 (en) 2008-07-31
EP2202912A1 (de) 2010-06-30
WO2002080445A1 (en) 2002-10-10

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