<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE ep-patent-document PUBLIC "-//EPO//EP PATENT DOCUMENT 1.0//EN" "ep-patent-document-v1-0.dtd"><ep-patent-document id="EP05858607A1" file="05858607.4" lang="fr" country="EP" doc-number="1820297" kind="A1" date-publ="20070822" status="n" dtd-version="ep-patent-document-v1-1"><SDOBI lang="fr"><B000><eptags><B001EP>ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRISYU........</B001EP><B003EP>*</B003EP><B005EP>X</B005EP><B007EP>DIM360 (Ver 1.5  21 Nov 2005) -  1100000/0</B007EP></eptags></B000><B100><B110>1820297</B110><B130>A1</B130><B140><date>20070822</date></B140><B190>EP</B190></B100><B200><B210>05858607.4</B210><B220><date>20051018</date></B220><B250>fr</B250><B251EP>fr</B251EP><B260>fr</B260></B200><B300><B310>0411789</B310><B320><date>20041105</date></B320><B330><ctry>FR</ctry></B330></B300><B400><B405><date>20070822</date><bnum>200734</bnum></B405><B430><date>20070822</date><bnum>200734</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>H04L   9/32        20060101AFI20070618BHEP        </text></classification-ipcr></B510EP><B540><B541>de</B541><B542>VERFAHREN ZUR ERZEUGUNG EINER SIGNATUR MIT BEWEIS DER STRENGEN SICHERHEIT, ZUGEHÖRIGES VERIFIZIERUNGSVERFAHREN UND ZUGEHÖRIGES SIGNATURSCHEMA AUF BASIS DES DIFFIE-HELLMAN-MODELLS</B542><B541>en</B541><B542>METHOD OF GENERATING A SIGNATURE WITH PROOF OF  TIGHT  SECURITY, ASSOCIATED VERIFICATION METHOD AND ASSOCIATED SIGNATURE SCHEME THAT ARE BASED ON THE DIFFIE-HELLMAN MODEL</B542><B541>fr</B541><B542>PROCÉDÉ DE GÉNÉRATION DE SIGNATURE AVEC PREUVE DE SÉCURITÉ "TIGHT", PROCÉDÉ DE VÉRIFICATION ET SCHÉMA DE SIGNATURE ASSOCIÉS BASÉS SUR LE MODÈLE DE DIFFIE-HELLMAN</B542></B540></B500><B700><B710><B711><snm>GEMPLUS</snm><iid>01705267</iid><irf>GEM1698</irf><adr><str>Avenue du Pic de Bertagne, 
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