EP2692084 - SECRET SHARING APPARATUS, SHARING APPARATUS AND SECRET SHARING METHOD [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.11.2017 Database last updated on 19.10.2024 | |
Former | The patent has been granted Status updated on 09.12.2016 | ||
Former | Grant of patent is intended Status updated on 30.11.2016 | Most recent event Tooltip | 17.07.2020 | Lapse of the patent in a contracting state New state(s): AL | published on 19.08.2020 [2020/34] | Applicant(s) | For all designated states Panasonic Corporation 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 / JP | [2014/06] | Inventor(s) | 01 /
MATSUO, Masakatsu c/o Panasonic Corporation Intellecutal Property Center IP Development Group 7F OBP Panasonic Tower, 1-61, Shiromi 2chome, Chuo-ku Osaka-shi, Osaka 540-6207 / JP | [2014/06] | Representative(s) | Eisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB Postfach 10 60 78 28060 Bremen / DE | [2014/06] | Application number, filing date | 12714408.7 | 30.03.2012 | [2017/02] | WO2012JP59436 | Priority number, date | JP20110077630 | 31.03.2011 Original published format: JP 2011077630 | [2014/06] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2012133952 | Date: | 04.10.2012 | Language: | EN | [2012/40] | Type: | A1 Application with search report | No.: | EP2692084 | Date: | 05.02.2014 | Language: | EN | The application published by WIPO in one of the EPO official languages on 04.10.2012 takes the place of the publication of the European patent application. | [2014/06] | Type: | B1 Patent specification | No.: | EP2692084 | Date: | 11.01.2017 | Language: | EN | [2017/02] | Search report(s) | International search report - published on: | EP | 04.10.2012 | Classification | IPC: | H04L9/08 | [2014/06] | CPC: |
H04L9/085 (EP,US)
| Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2014/06] | Extension states | BA | Not yet paid | ME | Not yet paid | Title | German: | VORRICHTUNG ZUR GEMEINSAMEN NUTZUNG GEHEIMER INFORMATIONEN, VORRICHTUNG ZUR GEMEISAMEN INFORMATIONSNUTZUNG UND VERFAHREN ZUR GEMEINSAMEN NUTZUNG GEHEIMER INFORMATIONEN | [2014/06] | English: | SECRET SHARING APPARATUS, SHARING APPARATUS AND SECRET SHARING METHOD | [2014/06] | French: | APPAREIL DE PARTAGE DE SECRET, APPAREIL DE PARTAGE ET PROCÉDÉ DE PARTAGE DE SECRET | [2014/06] | Entry into regional phase | 31.10.2013 | National basic fee paid | 31.10.2013 | Designation fee(s) paid | 31.10.2013 | Examination fee paid | Examination procedure | 31.10.2013 | Examination requested [2014/06] | 14.05.2014 | Amendment by applicant (claims and/or description) | 23.10.2015 | Despatch of a communication from the examining division (Time limit: M04) | 19.01.2016 | Reply to a communication from the examining division | 28.07.2016 | Communication of intention to grant the patent | 30.11.2016 | Fee for grant paid | 30.11.2016 | Fee for publishing/printing paid | 30.11.2016 | Receipt of the translation of the claim(s) | Divisional application(s) | The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 23.10.2015 | Opposition(s) | 12.10.2017 | No opposition filed within time limit [2017/51] | Fees paid | Renewal fee | 31.03.2014 | Renewal fee patent year 03 | 24.03.2015 | Renewal fee patent year 04 | 25.03.2016 | Renewal fee patent year 05 |
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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 Tooltip | HU | 30.03.2012 | AL | 11.01.2017 | AT | 11.01.2017 | CY | 11.01.2017 | CZ | 11.01.2017 | DK | 11.01.2017 | EE | 11.01.2017 | ES | 11.01.2017 | FI | 11.01.2017 | HR | 11.01.2017 | IT | 11.01.2017 | LT | 11.01.2017 | LV | 11.01.2017 | MC | 11.01.2017 | MK | 11.01.2017 | NL | 11.01.2017 | PL | 11.01.2017 | RO | 11.01.2017 | RS | 11.01.2017 | SE | 11.01.2017 | SI | 11.01.2017 | SK | 11.01.2017 | SM | 11.01.2017 | TR | 11.01.2017 | IE | 30.03.2017 | LU | 30.03.2017 | MT | 30.03.2017 | BE | 31.03.2017 | CH | 31.03.2017 | FR | 31.03.2017 | LI | 31.03.2017 | BG | 11.04.2017 | GB | 11.04.2017 | NO | 11.04.2017 | GR | 12.04.2017 | IS | 11.05.2017 | PT | 11.05.2017 | [2020/34] |
Former [2020/15] | HU | 30.03.2012 | |
AT | 11.01.2017 | ||
CY | 11.01.2017 | ||
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
MK | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
TR | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
MT | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2019/51] | HU | 30.03.2012 | |
AT | 11.01.2017 | ||
CY | 11.01.2017 | ||
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
MK | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
MT | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2019/46] | HU | 30.03.2012 | |
AT | 11.01.2017 | ||
CY | 11.01.2017 | ||
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
MT | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2019/31] | HU | 30.03.2012 | |
AT | 11.01.2017 | ||
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
MT | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2018/43] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
MT | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2018/24] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
BE | 31.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2018/13] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SI | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
IE | 30.03.2017 | ||
LU | 30.03.2017 | ||
CH | 31.03.2017 | ||
FR | 31.03.2017 | ||
LI | 31.03.2017 | ||
BG | 11.04.2017 | ||
GB | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2018/10] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
LU | 30.03.2017 | ||
FR | 31.03.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2018/07] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
FR | 31.03.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2017/51] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SK | 11.01.2017 | ||
SM | 11.01.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2017/50] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
DK | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
MC | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SK | 11.01.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2017/49] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
EE | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
IT | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RO | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
SK | 11.01.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2017/48] | AT | 11.01.2017 | |
CZ | 11.01.2017 | ||
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | ||
Former [2017/40] | AT | 11.01.2017 | |
ES | 11.01.2017 | ||
FI | 11.01.2017 | ||
HR | 11.01.2017 | ||
LT | 11.01.2017 | ||
LV | 11.01.2017 | ||
NL | 11.01.2017 | ||
PL | 11.01.2017 | ||
RS | 11.01.2017 | ||
SE | 11.01.2017 | ||
BG | 11.04.2017 | ||
NO | 11.04.2017 | ||
GR | 12.04.2017 | ||
IS | 11.05.2017 | ||
PT | 11.05.2017 | Cited in | International search | [A] - CHUNLI LV ET AL, "Efficient Ideal Threshold Secret Sharing Schemes Based on EXCLUSIVE-OR Operations", NETWORK AND SYSTEM SECURITY (NSS), 2010 4TH INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, (20100901), ISBN 978-1-4244-8484-3, pages 136 - 143, XP031801826 [A] 1,3-9,11 * section III * | [A] - KURIHARA J ET AL, "A fast (3,n)-threshold secret sharing scheme using exclusive-OR operations", IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS,COMMUNICATIONS AND COMPUTER SCIENCES, ENGINEERING SCIENCES SOCIETY, TOKYO, JP, (20080101), vol. E91A, no. 1, doi:10.1093/IETFEC/E91-A.1.127, ISSN 0916-8508, pages 127 - 138, XP001509987 [A] 1,3-9,11 * section 4 * DOI: http://dx.doi.org/10.1093/ietfec/e91-a.1.127 | [A] - ZHENG CHEN ET AL, "A Rapid Secret Sharing Scheme for Resource Constrained Environments", EMBEDDED COMPUTING, 2008. SEC '08. FIFTH IEEE INTERNATIONAL SYMPOSIUM ON, IEEE, PISCATAWAY, NJ, USA, (20081006), ISBN 978-0-7695-3348-3, pages 55 - 60, XP031366788 [A] 1,3-9,11 * sections 2 and 3 * | [A] - RONALD CRAMER ET AL, Detection of Algebraic Manipulation with Applications to Robust Secret Sharing and Fuzzy Extractors, ADVANCES IN CRYPTOLOGY Â EUROCRYPT 2008; [LECTURE NOTES IN COMPUTER SCIENCE], SPRINGER BERLIN HEIDELBERG, BERLIN, HEIDELBERG, PAGE(S) 471 - 488, (20080413), ISBN 978-3-540-78966-6, XP019088218 [A] 1,9,11 * sections 1.1 and 3 * | [AD] - ADI SHAMIR, "HOW TO SHARE A SECRET", COMMUNICATIONS OF THE ASSOCIATION FOR COMPUTING MACHINERY, ACM, NEW YORK, NY, US, (19791101), vol. 22, no. 11, doi:10.1145/359168.359176, ISSN 0001-0782, page 612/613, XP000565227 [AD] 1,9,11 * the whole document * DOI: http://dx.doi.org/10.1145/359168.359176 | by applicant | JP2007124032 | JP2008145917 | JP2008203720 | - A. SHAMIR, "How to Share a Secret", COMMUNICATIONS OF THE ACM, (197911), vol. 22, no. 11, doi:doi:10.1145/359168.359176, XP002241399 DOI: http://dx.doi.org/10.1145/359168.359176 |