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1. (WO2019066114) V2X COMMUNICATION DEVICE AND METHOD FOR INSPECTING FORGERY/FALSIFICATION OF KEY THEREOF
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Pub. No.: WO/2019/066114 International Application No.: PCT/KR2017/011063
Publication Date: 04.04.2019 International Filing Date: 29.09.2017
IPC:
H04L 9/08 (2006.01) ,H04L 9/32 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9
Arrangements for secret or secure communication
06
the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
08
Key distribution
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9
Arrangements for secret or secure communication
32
including means for verifying the identity or authority of a user of the system
Applicants:
엘지전자(주) LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
양승률 YANG, Seungryul; KR
황재호 HWANG, Jaeho; KR
고우석 KO, Woosuk; KR
Agent:
특허법인 로얄 ROYAL PATENT & LAW OFFICE; 서울시 관악구 남부순환로 2072, 도원회관 빌딩 1층 1F., Dowon Bldg., 2072 Nambusunhwan-no, Gwanak-gu, Seoul 08806, KR
Priority Data:
Title (EN) V2X COMMUNICATION DEVICE AND METHOD FOR INSPECTING FORGERY/FALSIFICATION OF KEY THEREOF
(FR) DISPOSITIF DE COMMUNICATION V2X, ET PROCÉDÉ POUR CONTRÔLER UNE FALSIFICATION/CONTREFAÇON D'UNE CLÉ DE CELUI-CI
(KO) V2X 통신 장치 및 그의 키 위변조 검사 방법
Abstract:
(EN) Disclosed is a method for inspecting the forgery/falsification of a private key of a V2X communication device. A first private key modification (PKM) random number message including information on an encrypted random number may be received from an external V2X communication device; the encrypted random number may be decrypted using a private key of a V2X communication device; the decrypted random number may be re-encrypted using a public key of the external V2X communication device; a second PKM random number message including information on the re-encrypted random number may be transmitted to the external V2X communication device; and a PKM result message including information on the result of a forgery/falsification inspection of the private key of the V2X communication device may be received from the external V2X communication device. Here, the information on the result of the forgery/falsification inspection may be generated on the basis of the result of a comparison between a random number generated by the external V2X communication device, and a random number generated by decrypting the random number re-encrypted using a private key of the external V2X communication device.
(FR) L'invention concerne un procédé pour contrôler une falsification/contrefaçon d'une clé privée d'un dispositif de communication V2X. Un premier message de nombre aléatoire de modification de clé privée (PKM) contenant des informations sur un nombre aléatoire chiffré peut être reçu en provenance d'un dispositif de communication V2X externe ; le nombre aléatoire chiffré peut être déchiffré à l'aide d'une clé privée d'un dispositif de communication V2X ; le nombre aléatoire déchiffré peut être rechiffré à l'aide d'une clé publique du dispositif de communication V2X externe ; un second message de nombre aléatoire PKM contenant des informations relatives au nombre aléatoire recodé peut être transmis au dispositif de communication V2X externe ; et un message de résultat PKM contenant des informations relatives au résultat d'une inspection de falsification/contrefaçon de la clé privée du dispositif de communication V2X peut être reçu en provenance du dispositif de communication V2X externe. Les informations relatives au résultat de l'inspection de falsification/contrefaçon peuvent être générées sur la base du résultat d'une comparaison entre un nombre aléatoire généré par le dispositif de communication V2X externe et un nombre aléatoire généré par déchiffrement du nombre aléatoire rechiffré à l'aide d'une clé privée du dispositif de communication V2X externe.
(KO) V2X 통신 장치의 개인키 위변조 검사 방법이 개시된다. 외부 V2X 통신 장치로부터 암호화된 난수(random number)에 대한 정보를 포함하는 제1 PKM(Private Key Modification) 난수 메시지를 수신하고, V2X 통신 장치의 개인키(private key)를 이용하여 암호화된 난수를 복호화하고, 외부 V2X 통신 장치의 공개키를 이용하여 복호화된 난수를 재암호화하고, 재암호화된 난수에 대한 정보를 포함하는 제2 PKM 난수 메시지를 외부 V2X 통신 장치로 송신하고, 외부 V2X 통신 장치로부터, V2X 통신 장치의 개인키에 대한 위변조 검사의 결과 정보를 포함하는 PKM 결과 메시지를 수신할 수 있다. 이때, 위변조 검사의 결과 정보는 외부 V2X 통신 장치에 의해 생성된 난수와 외부 V2X 통신 장치의 개인키를 이용하여 재암호화된 난수를 복호화함으로써 생성된 난수의 비교 결과에 기초하여 생성될 수 있다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)