Nova Patents
NO20045596L

Data conversion device and data conversion method

Abstract

A sub-converter (330) provided in a data conversion device for data encryption/decryption has a data conversion function and a data transfer function or key transfer function, and converts data and transfers data that is nonlinearly transformed in a main converter (320) or a key output from a key KL register (240) by switching between the data conversion function and the data or key transfer function.

Term

No projected expiry on record.

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20 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
2002148786JapanA
0302689JapanW

Members20

Family members, oldest first
DocumentOfficeKind
TW200307226ATaiwan Province of ChinaA
JP2003345244AJapanA
CA2485943A1CanadaA1
WO03100751A1World Intellectual Property Organization (WIPO)A1
AU2003211779A1AustraliaA1
KR20050004187ARepublic of KoreaA
EP1507247A1European Patent Office (EPO)A1
NO20045596LThis recordNorwayL
TWI229299BTaiwan Province of ChinaB
CN1647139AChinaA
US2005226407A1United States of AmericaA1
KR100806468B1Republic of KoreaB1
JP4128395B2JapanB2
US7639800B2United States of AmericaB2
EP1507247A4European Patent Office (EPO)A4
CA2485943CCanadaC
CN1647139BChinaB
EP1507247B1European Patent Office (EPO)B1
DK1507247T3DenmarkT3
NO337611B1NorwayB1