DE69634880D1 - 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
DE69634880D1
DE69634880D1 DE69634880T DE69634880T DE69634880D1 DE 69634880 D1 DE69634880 D1 DE 69634880D1 DE 69634880 T DE69634880 T DE 69634880T DE 69634880 T DE69634880 T DE 69634880T DE 69634880 D1 DE69634880 D1 DE 69634880D1
Authority
DE
Germany
Prior art keywords
passwords
cryptographically
hashed
user
memory
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 - Lifetime
Application number
DE69634880T
Other languages
English (en)
Other versions
DE69634880T2 (de
Inventor
D Eldridge
W Kaufman
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69634880D1 publication Critical patent/DE69634880D1/de
Publication of DE69634880T2 publication Critical patent/DE69634880T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F21/30—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)
DE69634880T 1995-12-28 1996-12-27 Verfahren und gerät zum kontrollierten zugriff zu verschlüsselten datenakten in einem computersystem Expired - Lifetime DE69634880T2 (de)

Applications Claiming Priority (3)

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
US579812 1995-12-28
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 (2)

Publication Number Publication Date
DE69634880D1 true DE69634880D1 (de) 2005-07-28
DE69634880T2 DE69634880T2 (de) 2006-05-11

Family

ID=24318456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634880T Expired - Lifetime DE69634880T2 (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)

Families Citing this family (168)

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ATE298436T1 (de) 2005-07-15
CA2241745A1 (en) 1997-07-10
JP3807747B2 (ja) 2006-08-09
US5787169A (en) 1998-07-28
CA2241745C (en) 2003-04-29
EP0976049A1 (de) 2000-02-02
DE69634880T2 (de) 2006-05-11
US6178508B1 (en) 2001-01-23
WO1997024675A1 (en) 1997-07-10
JP2000502827A (ja) 2000-03-07

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