<?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="EP06715877A1" file="06715877.4" lang="en" country="EP" doc-number="1847066" kind="A1" date-publ="20071024" status="n" dtd-version="ep-patent-document-v1-1"><SDOBI lang="en"><B000><eptags><B001EP>......DE....FRGB..IT....NL......................................................</B001EP><B003EP>*</B003EP><B005EP>X</B005EP><B007EP>DIM360 (Ver 1.5  21 Nov 2005) -  1100000/0 1710000/0</B007EP></eptags></B000><B100><B110>1847066</B110><B130>A1</B130><B140><date>20071024</date></B140><B190>EP</B190></B100><B200><B210>06715877.4</B210><B220><date>20060206</date></B220><B240><B241><date>20070518</date></B241></B240><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B300><B310>650127 P</B310><B320><date>20050207</date></B320><B330><ctry>US</ctry></B330><B310>20050021845</B310><B320><date>20050316</date></B320><B330><ctry>KR</ctry></B330></B300><B400><B405><date>20071024</date><bnum>200743</bnum></B405><B430><date>20071024</date><bnum>200743</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>H04L   9/30        20060101AFI20060815BHEP        </text></classification-ipcr></B510EP><B540><B541>de</B541><B542>SCHLÜSSELVERWALTUNGSVERFAHREN UNTER VERWENDUNG HIERARCHISCHER KNOTENTOPOLOGIE UND DIESES NUTZENDES VERFAHREN ZUR REGISTRIERUNG UND DEREGISTRIERUNG VON BENUTZERN</B542><B541>en</B541><B542>KEY MANAGEMENT METHOD USING HIERARCHICAL NODE TOPOLOGY, AND METHOD OF REGISTERING AND DEREGISTERING USER USING THE SAME</B542><B541>fr</B541><B542>PROCEDE DE GESTION DE CLES DANS LEQUEL EST UTILISEE UNE TOPOLOGIE NODALE HIERARCHISEE, ET PROCEDE D'ENREGISTREMENT ET DE RETRAIT D'ENREGISTREMENT D'UN UTILISATEUR DANS LEQUEL EST UTILISE LEDIT PROCEDE DE GESTION DE CLES</B542></B540></B500><B700><B710><B711><snm>Samsung Electronics Co., Ltd.</snm><iid>07241090</iid><irf>Y10618/IMR</irf><adr><str>416 Maetan-dong, Yeongtong-gu</str><city>Suwon-si
442-742 Gyeonggi-do</city><ctry>KR</ctry></adr></B711></B710><B720><B721><snm>HAN, Sung-Hyu,
102-1006 Family Apt.</snm><adr><str>Munjeong 2-dong, Songpa-gu</str><city>Seoul 138-767</city><ctry>KR</ctry></adr></B721><B721><snm>KIM, Bong-Seon,
903-411 Jugong Apt.</snm><adr><str>Geumgok-dong, Bundang-gu, Seongnam-si</str><city>Gyeonggi-do 463-724</city><ctry>KR</ctry></adr></B721><B721><snm>KIM, Myung-Sun,
105-104 Daewoo Apt.</snm><adr><str>Sam-dong, Uiwang-si</str><city>Gyeonggi-do 437-769</city><ctry>KR</ctry></adr></B721><B721><snm>YOON, Young-Sun,
511-704 Sangrok Apt.</snm><adr><str>Gwonseon-dong, Gwonseon-gu, Suwon-si</str><city>Gyeonggi-do 441-742</city><ctry>KR</ctry></adr></B721><B721><snm>LEE, Sun-Nam</snm><adr><str>1254-7 Maetan-dong, Yeongtong-gu, Suwon-si</str><city>Gyeonggi-do 443-848</city><ctry>KR</ctry></adr></B721><B721><snm>LEE, Jae-Heung</snm><adr><str>(206) 1250-8 Maetan 3-dong, Yeongtong-gu, Suwon-si</str><city>Gyeonggi-do 443-848</city><ctry>KR</ctry></adr></B721></B720><B740><B741><snm>Robinson, Ian Michael</snm><iid>09200781</iid><adr><str>Appleyard Lees 
15 Clare Road</str><city>GB-Halifax, West Yorkshire HX1 2HY</city><ctry>GB</ctry></adr></B741></B740></B700><B800><B840><ctry>DE</ctry><ctry>FR</ctry><ctry>GB</ctry><ctry>IT</ctry><ctry>NL</ctry></B840><B860><B861><dnum><anum>KR2006000425</anum></dnum><date>20060206</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO2006083141</pnum></dnum><date>20060810</date><bnum>200632</bnum></B871></B870></B800></SDOBI></ep-patent-document>