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Extract from the Register of European Patents

EP About this file: EP1946204

EP1946204 - A METHOD FOR SCALAR MULTIPLICATION IN ELLIPTIC CURVE GROUPS OVER BINARY POLYNOMIAL FIELDS FOR SIDE-CHANNEL ATTACK-RESISTANT CRYPTOSYSTEMS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.03.2011
Database last updated on 27.07.2024
Most recent event   Tooltip13.09.2013Lapse of the patent in a contracting state
Updated state(s): BG		published on 16.10.2013  [2013/42]
Applicant(s)For all designated states
Telecom Italia S.p.A.
Piazza degli Affari 2
20123 Milano / IT
[2008/30]
Inventor(s)01 / GOLIC, Jovan
Telecom Italia S.p.A. Via G. Reiss Romoli, 274
10148 Torino / IT
 [2010/17]
Former [2008/30]01 / GOLIC, Jovan
Telecom Italia S.p.A. Via G. Reiss Romoli, 274
I-10148 Torino / IT
Representative(s)Maccalli, Marco, et al
Maccalli & Pezzoli S.r.l.
Via Settembrini, 40
20124 Milano / IT
[N/P]
Former [2008/30]Maccalli, Marco, et al
Maccalli & Pezzoli S.r.l., Via Settembrini, 40
20124 Milano / IT
Application number, filing date05797762.128.10.2005
[2008/30]
WO2005EP11567
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2007048430
Date:03.05.2007
Language:EN
[2007/18]
Type: A1 Application with search report 
No.:EP1946204
Date:23.07.2008
Language:EN
The application published by WIPO in one of the EPO official languages on 03.05.2007 takes the place of the publication of the European patent application.
[2008/30]
Type: B1 Patent specification 
No.:EP1946204
Date:28.04.2010
Language:EN
[2010/17]
Search report(s)International search report - published on:EP03.05.2007
ClassificationIPC:G06F7/72
[2008/30]
CPC:
G06F7/726 (EP,US); G06F7/725 (EP,US); G06F2207/7261 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2008/30]
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
YUNot yet paid
TitleGerman:VERFAHREN ZUR SKALARMULTIPLIKATION IN GRUPPEN ELLIPTISCHER KURVEN ÜBER BINÄRE POLYNOMISCHE KÖRPER FÜR NEBENKANALATTACKEN-BESTÄNDIGE KRYPTOSYSTEME[2008/30]
English:A METHOD FOR SCALAR MULTIPLICATION IN ELLIPTIC CURVE GROUPS OVER BINARY POLYNOMIAL FIELDS FOR SIDE-CHANNEL ATTACK-RESISTANT CRYPTOSYSTEMS[2008/30]
French:PROCEDE POUR LA MULTIPLICATION SCALAIRE DANS DES GROUPES DE COURBES ELLIPTIQUES SUR DES CHAMPS POLYNOMIAUX BINAIRES POUR DES CRYPTOSYSTEMES RESISTANTS A L'ATTAQUE PAR CANAL LATERAL[2008/30]
Entry into regional phase12.05.2008National basic fee paid 
12.05.2008Designation fee(s) paid 
12.05.2008Examination fee paid 
Examination procedure12.05.2008Examination requested  [2008/30]
22.12.2008Despatch of a communication from the examining division (Time limit: M06)
07.08.2009Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
07.10.2009Reply to a communication from the examining division
03.12.2009Communication of intention to grant the patent
22.03.2010Fee for grant paid
22.03.2010Fee for publishing/printing paid
Opposition(s)31.01.2011No opposition filed within time limit [2011/14]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
07.10.2009Request for further processing filed
07.10.2009Full payment received (date of receipt of payment)
Fees paidRenewal fee
12.05.2008Renewal fee patent year 03
27.10.2008Renewal fee patent year 04
26.10.2009Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT28.04.2010
BE28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
TR28.04.2010
CY26.05.2010
BG28.07.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
LU28.10.2010
HU29.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
[2013/42]
Former [2012/47]AT28.04.2010
BE28.04.2010
BG28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
TR28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
LU28.10.2010
HU29.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2012/44]AT28.04.2010
BE28.04.2010
BG28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
LU28.10.2010
HU29.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2012/42]AT28.04.2010
BE28.04.2010
BG28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
HU29.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2012/41]AT28.04.2010
BE28.04.2010
BG28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2011/47]AT28.04.2010
BE28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
IE28.10.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2011/38]AT28.04.2010
BE28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
CH31.10.2010
LI31.10.2010
MC31.10.2010
Former [2011/30]AT28.04.2010
BE28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
MC31.10.2010
Former [2011/16]AT28.04.2010
BE28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
Former [2011/12]AT28.04.2010
CZ28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
RO28.04.2010
SE28.04.2010
SI28.04.2010
SK28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
Former [2011/09]AT28.04.2010
DK28.04.2010
EE28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
SE28.04.2010
SI28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
PT30.08.2010
Former [2011/07]AT28.04.2010
DK28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
SE28.04.2010
SI28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
Former [2011/03]AT28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
PL28.04.2010
SE28.04.2010
SI28.04.2010
CY26.05.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
Former [2011/02]AT28.04.2010
FI28.04.2010
LT28.04.2010
LV28.04.2010
NL28.04.2010
SE28.04.2010
SI28.04.2010
GR29.07.2010
ES08.08.2010
IS28.08.2010
Former [2010/46]NL28.04.2010
ES08.08.2010
Former [2010/45]NL28.04.2010
Cited inInternational search[Y]WO9904332  (L P K INFORMATION INTEGRITY LT [IL], et al) [Y] 1-3 * page 3 - page 5 * * pages 14,16 *;
 [A]WO0152051  (CV CRYPTOVISION GMBH [DE], et al) [A] 1-12* page 10 - page 15 *;
 [Y]US2004247114  (JOYE MARC [FR]) [Y] 1-3 * paragraph [0023] * * paragraph [0024] * * paragraph [0040] * * paragraph [0041] * * paragraph [0049] * * paragraph [0063] *;
 [A]  - BRIER E ET AL, "WEIERSTRASS ELLIPTIC CURVES AND SIDE-CHANNEL ATTACKS", PUBLIC KEY CRYPTOGRAPHY. INTERNATIONAL WORKSHOP ON PRACTICE AND THEORY IN PUBLIC KEY CRYPTOGRAPHY, (2002), pages 335 - 345, XP001068195 [A] 1-12 * page 337 *
 [A]  - CORON J-S, "RESISTANCE AGAINST DIFFERENTIAL POWER ANALYSIS FOR ELLIPTIC CURVE CRYPTOSYSTEMS", CRYPTOGRAPHIC HARDWARE AND EMBEDDED SYSTEMS. INTERNATIONAL WORKSHOP, (199908), pages 292 - 302, XP000952243 [A] 1-12 * paragraph [03.1] * * paragraphs [05.1] , [05.2] , [05.3] *
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