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1. (WO2017092151) METHOD FOR CREATING GARBLED PDF TEXT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/092151 International Application No.: PCT/CN2016/000619
Publication Date: 08.06.2017 International Filing Date: 08.11.2016
IPC:
G06F 21/10 (2013.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
21
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10
Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
Applicants:
福建福昕软件开发股份有限公司 FUJIAN FOXIT SOFTWARE DEVELOPMENT JOINT STOCK CO., LTD. [CN/CN]; 中国福建省福州市 鼓楼区软件大道89号福州软件园G区5号楼 Building 5, G Zone, Fuzhou Software Park 89 Software Avenue, Gulou District Fuzhou, Fujian 350003, CN
Inventors:
孟庆功 MENG, Qinggong; CN
Agent:
北京科龙寰宇知识产权代理有限责任公司 KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENCY LTD.; CN
Priority Data:
201510881153.603.12.2015CN
Title (EN) METHOD FOR CREATING GARBLED PDF TEXT
(FR) PROCÉDÉ DE CRÉATION DE TEXTE PDF TRONQUÉ
(ZH) 一种PDF文本乱码方法
Abstract:
(EN) A method for creating a garbled PDF text comprises the following steps: upon creating a PDF document or saving the PDF document as a new document, embedding a PDF font in the created or newly saved PDF document (S110); using a random encoding method to change an embedded PDF font code such that it maps to a Unicode dictionary (S120); and converting codes in text content of the PDF document into random codes (S130).
(FR) L'invention concerne un procédé de création de texte PDF tronqué comprenant les étapes suivantes consistant à : lors de la création d'un document PDF ou de l'enregistrement du document PDF en tant que nouveau document, incorporer une police PDF dans le document PDF créé ou nouvellement enregistré (S110) ; faire appel à un procédé de codage aléatoire pour modifier un code de police de PDF incorporée de sorte à correspondre à un dictionnaire Unicode (S120) ; et convertir des codes du contenu de texte du document PDF en codes aléatoires (S130).
(ZH) 一种PDF文本乱码方法,包括以下步骤:在创建PDF文档或者将PDF文档另存时,在所创建或另存为的PDF文档中嵌入PDF字体(S110);以随机编码的方式,改变嵌入PDF字体编码映射Unicode字典(S120);将PDF文档文本内容的编码改变为随机编码(S130)。
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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, JP, KE, KG, 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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
Also published as:
US20180352104