CA2165649A1 - File Encryption Scheme - Google Patents

File Encryption Scheme

Info

Publication number
CA2165649A1
CA2165649A1 CA2165649A CA2165649A CA2165649A1 CA 2165649 A1 CA2165649 A1 CA 2165649A1 CA 2165649 A CA2165649 A CA 2165649A CA 2165649 A CA2165649 A CA 2165649A CA 2165649 A1 CA2165649 A1 CA 2165649A1
Authority
CA
Canada
Prior art keywords
file
data
computer
encryption scheme
file encryption
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.)
Granted
Application number
CA2165649A
Other languages
French (fr)
Other versions
CA2165649C (en
Inventor
Diane E. Georgiades
Neal E. Taylor
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.)
Raytheon Co
Original Assignee
Diane E. Georgiades
Neal E. Taylor
Hughes Aircraft Company
Raytheon Company
He Holdings, 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
Application filed by Diane E. Georgiades, Neal E. Taylor, Hughes Aircraft Company, Raytheon Company, He Holdings, Inc. filed Critical Diane E. Georgiades
Publication of CA2165649A1 publication Critical patent/CA2165649A1/en
Application granted granted Critical
Publication of CA2165649C publication Critical patent/CA2165649C/en
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
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory

Abstract

A computer data storage system that includes a data storage device, and a processor for encrypting file data to produce encrypted file data and writing the encrypted file data to a computer file on the data storage device, wherein the computer file includes a file information header that contains information indicating that the computer file contains encrypted file data.
CA002165649A 1994-06-30 1995-05-19 File encryption scheme Expired - Fee Related CA2165649C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26869594A 1994-06-30 1994-06-30
US08/268,695 1994-06-30
PCT/US1995/006329 WO1996000942A1 (en) 1994-06-30 1995-05-19 File encryption scheme

Publications (2)

Publication Number Publication Date
CA2165649A1 true CA2165649A1 (en) 1995-12-31
CA2165649C CA2165649C (en) 1999-11-02

Family

ID=23024080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002165649A Expired - Fee Related CA2165649C (en) 1994-06-30 1995-05-19 File encryption scheme

Country Status (7)

Country Link
EP (1) EP0715734A1 (en)
JP (1) JPH08509087A (en)
KR (1) KR960705275A (en)
AU (1) AU2596795A (en)
CA (1) CA2165649C (en)
NO (1) NO960817L (en)
WO (1) WO1996000942A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH113284A (en) * 1997-06-10 1999-01-06 Mitsubishi Electric Corp Information storage medium and its security method
KR100820971B1 (en) * 2001-10-11 2008-04-10 엘지전자 주식회사 Method for recording and reproducing a decryption key in compression audio file
US9081982B2 (en) 2011-04-18 2015-07-14 Raytheon Company Authorized data access based on the rights of a user and a location
KR102523794B1 (en) * 2020-11-17 2023-04-21 주식회사 한글과컴퓨터 Electronic device that supports tree-structured cataloging of a table inserted into an electronic document and the operating method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757533A (en) * 1985-09-11 1988-07-12 Computer Security Corporation Security system for microcomputers
US4864616A (en) * 1987-10-15 1989-09-05 Micronyx, Inc. Cryptographic labeling of electronically stored data

Also Published As

Publication number Publication date
JPH08509087A (en) 1996-09-24
NO960817D0 (en) 1996-02-28
KR960705275A (en) 1996-10-09
AU2596795A (en) 1996-01-25
NO960817L (en) 1996-04-18
CA2165649C (en) 1999-11-02
WO1996000942A1 (en) 1996-01-11
EP0715734A1 (en) 1996-06-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed