DE69331613T2 - Dateienverschlüsselung - Google Patents

Dateienverschlüsselung

Info

Publication number
DE69331613T2
DE69331613T2 DE69331613T DE69331613T DE69331613T2 DE 69331613 T2 DE69331613 T2 DE 69331613T2 DE 69331613 T DE69331613 T DE 69331613T DE 69331613 T DE69331613 T DE 69331613T DE 69331613 T2 DE69331613 T2 DE 69331613T2
Authority
DE
Germany
Prior art keywords
file encryption
encryption
file
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
DE69331613T
Other languages
English (en)
Other versions
DE69331613D1 (de
Inventor
Jitendra Kumar Singh
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69331613D1 publication Critical patent/DE69331613D1/de
Publication of DE69331613T2 publication Critical patent/DE69331613T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/106—Enforcing content protection by specific content processing
    • G06F21/1063—Personalisation
    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2135—Metering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2137—Time limited access, e.g. to a computer or data
DE69331613T 1992-11-13 1993-11-15 Dateienverschlüsselung Expired - Fee Related DE69331613T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/976,176 US5327563A (en) 1992-11-13 1992-11-13 Method for locking software files to a specific storage device

Publications (2)

Publication Number Publication Date
DE69331613D1 DE69331613D1 (de) 2002-03-28
DE69331613T2 true DE69331613T2 (de) 2002-10-17

Family

ID=25523818

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69326119T Expired - Fee Related DE69326119T2 (de) 1992-11-13 1993-11-15 Überprüfung von Softwareprogrammen
DE69331613T Expired - Fee Related DE69331613T2 (de) 1992-11-13 1993-11-15 Dateienverschlüsselung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69326119T Expired - Fee Related DE69326119T2 (de) 1992-11-13 1993-11-15 Überprüfung von Softwareprogrammen

Country Status (3)

Country Link
US (2) US5327563A (de)
EP (2) EP0881561B1 (de)
DE (2) DE69326119T2 (de)

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Also Published As

Publication number Publication date
US5628015A (en) 1997-05-06
EP0598587A1 (de) 1994-05-25
DE69326119T2 (de) 2000-01-20
EP0881561B1 (de) 2002-02-20
EP0881561A2 (de) 1998-12-02
EP0598587B1 (de) 1999-08-25
DE69326119D1 (de) 1999-09-30
EP0881561A3 (de) 1999-02-24
DE69331613D1 (de) 2002-03-28
US5327563A (en) 1994-07-05

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Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8339 Ceased/non-payment of the annual fee