ATE298436T1 - Verfahren und gerät zum kontrollierten zugriff zu verschlüsselten datenakten in einem computersystem - Google Patents

Verfahren und gerät zum kontrollierten zugriff zu verschlüsselten datenakten in einem computersystem

Info

Publication number
ATE298436T1
ATE298436T1 AT96945639T AT96945639T ATE298436T1 AT E298436 T1 ATE298436 T1 AT E298436T1 AT 96945639 T AT96945639 T AT 96945639T AT 96945639 T AT96945639 T AT 96945639T AT E298436 T1 ATE298436 T1 AT E298436T1
Authority
AT
Austria
Prior art keywords
passwords
cryptographically
hashed
user
memory
Prior art date
Application number
AT96945639T
Other languages
English (en)
Inventor
Alan D Eldridge
Charles W Kaufman
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE298436T1 publication Critical patent/ATE298436T1/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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/40—User authentication by quorum, i.e. whereby two or more security principals are required
    • 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
    • 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
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • 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
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
    • 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
    • G06F2221/2107—File encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)
AT96945639T 1995-12-28 1996-12-27 Verfahren und gerät zum kontrollierten zugriff zu verschlüsselten datenakten in einem computersystem ATE298436T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/579,812 US5787169A (en) 1995-12-28 1995-12-28 Method and apparatus for controlling access to encrypted data files in a computer system
PCT/US1996/020487 WO1997024675A1 (en) 1995-12-28 1996-12-27 Method and apparatus for controlling access to encrypted data files in a computer system

Publications (1)

Publication Number Publication Date
ATE298436T1 true ATE298436T1 (de) 2005-07-15

Family

ID=24318456

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96945639T ATE298436T1 (de) 1995-12-28 1996-12-27 Verfahren und gerät zum kontrollierten zugriff zu verschlüsselten datenakten in einem computersystem

Country Status (7)

Country Link
US (2) US5787169A (de)
EP (1) EP0976049B1 (de)
JP (1) JP3807747B2 (de)
AT (1) ATE298436T1 (de)
CA (1) CA2241745C (de)
DE (1) DE69634880T2 (de)
WO (1) WO1997024675A1 (de)

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US5787169A (en) 1998-07-28
EP0976049A1 (de) 2000-02-02
WO1997024675A1 (en) 1997-07-10
DE69634880D1 (de) 2005-07-28
EP0976049B1 (de) 2005-06-22
JP2000502827A (ja) 2000-03-07
JP3807747B2 (ja) 2006-08-09
US6178508B1 (en) 2001-01-23
DE69634880T2 (de) 2006-05-11
CA2241745A1 (en) 1997-07-10
CA2241745C (en) 2003-04-29

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