Global Patent Index - EP 1269350 A1

EP 1269350 A1 20030102 - HASH FILE SYSTEM AND METHOD FOR USE IN A COMMONALITY FACTORING SYSTEM

Title (en)

HASH FILE SYSTEM AND METHOD FOR USE IN A COMMONALITY FACTORING SYSTEM

Title (de)

HASH-DATEISYSTEM UND VERFAHREN ZUR VERWENDUNG IN EINEM COMMONALITY-FACTORING-SYSTEM

Title (fr)

SYSTEME ET PROCEDE DE FICHIERS DE HACHAGE UTILES DANS UN SYSTEME DE FACTORISATION D'ELEMENTS COMMUNS

Publication

EP 1269350 A1 20030102 (EN)

Application

EP 01910686 A 20010214

Priority

  • US 0104763 W 20010214
  • US 18376200 P 20000218
  • US 24592000 P 20001106
  • US 77715001 A 20010205

Abstract (en)

[origin: WO0161563A1] A system for a computer file system that is based and organized upon hashes and/or strings of digits of certain, different or changing lengths (304) and which is capable of eliminating or screening redundant copies of aggregate blocks of data (or parts of data blocks) from the system. The hash file system of the present invention utilizes hash values (310) for computer files or file pieces (306) which may be produced by a checksum generating program, engine, or algorithm such as industry standard MD4, MD5, SHA or SHA-1 algorithms. Alternatively, the hash values may be generated (308) by a checksum program, engine, or algorithm or other means that produces an effectively unique hash value for a block of data of indeterminate size based upon a mathematical algorithm.

IPC 1-7

G06F 17/30

IPC 8 full level

G06F 12/00 (2006.01); G06F 17/30 (2006.01)

CPC (source: EP)

G06F 11/1453 (2013.01); G06F 16/137 (2018.12); G06F 16/9014 (2018.12)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0161563 A1 20010823; AU 2001238269 B2 20060622; AU 3826901 A 20010827; CA 2399555 A1 20010823; EP 1269350 A1 20030102; EP 1269350 A4 20060816; JP 2003524243 A 20030812; JP 4846156 B2 20111228; KR 100860821 B1 20080930; KR 20020082851 A 20021031

DOCDB simple family (application)

US 0104763 W 20010214; AU 2001238269 A 20010214; AU 3826901 A 20010214; CA 2399555 A 20010214; EP 01910686 A 20010214; JP 2001560878 A 20010214; KR 20027010804 A 20020819