(19)
(11)EP 2 669 832 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
15.01.2014 Bulletin 2014/03

(43)Date of publication A2:
04.12.2013 Bulletin 2013/49

(21)Application number: 13169014.1

(22)Date of filing:  23.05.2013
(51)Int. Cl.: 
G06F 21/10  (2013.01)
G06F 21/62  (2013.01)
(84)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
Designated Extension States:
BA ME

(30)Priority: 31.05.2012 JP 2012124731

(71)Applicant: eStijl Co., Ltd.
Tokyo Tokyo 103-0027 (JP)

(72)Inventors:
  • Minaguchi, Hiroshi
    Tokyo, 103-0027 (JP)
  • Itoh, Hiroki
    Tokyo, 103-0027 (JP)

(74)Representative: Stebbing, Timothy Charles et al
Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn
London WC1V 7JH
London WC1V 7JH (GB)

  


(54)Protection of series data


(57) An information-processing device sends streams of stock-exchange data or similar and adds dummy data and authentication data to parts of it. Only the intended receiver can authenticate the real data and ignore the dummy data.