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1. (WO2019061185) METHOD AND TERMINAL FOR DIGITALLY SIGNING PICTURE
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Pub. No.: WO/2019/061185 International Application No.: PCT/CN2017/104065
Publication Date: 04.04.2019 International Filing Date: 28.09.2017
IPC:
H04L 9/32 (2006.01) ,H04N 5/225 (2006.01)
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
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
225
Television cameras
Applicants:
深圳传音通讯有限公司 SHENZHEN TRANSSION COMMUNICATION LIMITED [CN/CN]; 中国广东省深圳市 南山区粤海街道深圳湾科技生态园9栋B座14层01-07号房 Rooms 01-07, 14/F, Unit B Building No. 9 Shenzhen Bay Eco-Technology Park, Yuehai Street Nanshan District Shenzhen, Guangdong 518000, CN
Inventors:
陆晓华 LU, Xiaohua; CN
Agent:
北京同立钧成知识产权代理有限公司 LEADER PATENT & TRADEMARK FIRM; 中国北京市 海淀区西直门北大街32号枫蓝国际A座8F-6 8F-6, Bldg.A, Winland International Center No.32 Xizhimen North Street, Haidian District Beijing 100082, CN
Priority Data:
Title (EN) METHOD AND TERMINAL FOR DIGITALLY SIGNING PICTURE
(FR) PROCÉDÉ ET TERMINAL DE SIGNATURE NUMÉRIQUE D'IMAGE
(ZH) 对图片进行数字签名的方法及终端
Abstract:
(EN) Disclosed in the present application are a method and a terminal for digitally signing a picture. The method comprises: Obtaining by a terminal a picture to be signed, a user key, and user ID information; determining by the terminal a hash value of the picture to be signed, according to the picture to be signed; and generating by the terminal a digital signature according to the hash value of the picture to be signed, the user key, and the user ID information. The method and the terminal for digitally signing a picture according to the present application can digitally sign a picture to improve the security of information exchange.
(FR) La présente invention concerne un procédé et un terminal de signature numérique d'une image. Le procédé consiste à : obtenir par un terminal une image à signer, d'une clé d'utilisateur et d'informations d'identifiant d'utilisateur; déterminer par le terminal une valeur de hachage de l'image à signer, en fonction de l'image à signer; et générer par le terminal une signature numérique en fonction de la valeur de hachage de l'image à signer, de la clé d'utilisateur et des informations d'identifiant d'utilisateur. Le procédé et le terminal de signature numérique d'une image selon la présente invention peuvent signer numériquement une image pour améliorer la sécurité de l'échange d'informations.
(ZH) 本申请公开了一种对图片进行数字签名的方法及终端。该方法包括:终端获取待签名图片、用户密钥以及用户身份信息;所述终端根据所述待签名图片确定所述待签名图片的哈希值;所述终端根据所述待签名图片的哈希值、所述用户密钥和所述用户身份信息生成数字签名。本申请提供的对图片进行数字签名的方法及终端,可以对图片进行数字签名,提高信息往来的安全性。
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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: Chinese (ZH)
Filing Language: Chinese (ZH)