CN103577729B - 一种pdf文件中加盖电子***的方法 - Google Patents
一种pdf文件中加盖电子***的方法 Download PDFInfo
- Publication number
- CN103577729B CN103577729B CN201310531143.0A CN201310531143A CN103577729B CN 103577729 B CN103577729 B CN 103577729B CN 201310531143 A CN201310531143 A CN 201310531143A CN 103577729 B CN103577729 B CN 103577729B
- Authority
- CN
- China
- Prior art keywords
- seal
- watermark
- word
- page
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/16—Program or content traceability, e.g. by watermarking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/106—Enforcing content protection by specific content processing
- G06F21/1063—Personalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Technology Law (AREA)
- General Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Health & Medical Sciences (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310531143.0A CN103577729B (zh) | 2013-10-31 | 2013-10-31 | 一种pdf文件中加盖电子***的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310531143.0A CN103577729B (zh) | 2013-10-31 | 2013-10-31 | 一种pdf文件中加盖电子***的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103577729A CN103577729A (zh) | 2014-02-12 |
CN103577729B true CN103577729B (zh) | 2017-01-11 |
Family
ID=50049493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310531143.0A Active CN103577729B (zh) | 2013-10-31 | 2013-10-31 | 一种pdf文件中加盖电子***的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103577729B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105760172A (zh) * | 2016-03-02 | 2016-07-13 | 浪潮软件集团有限公司 | 一种基于itext的报表生成方法 |
CN106980605B (zh) * | 2017-02-17 | 2018-01-19 | 平安科技(深圳)有限公司 | 合同生成方法和装置 |
CN107291919A (zh) * | 2017-06-28 | 2017-10-24 | 四川妥妥递科技有限公司 | 一种在pdf文件上在线添加域的***及其方法 |
CN107292136A (zh) * | 2017-07-10 | 2017-10-24 | 广东省广业科技集团有限公司 | 一种基于微服务的pdf文件防伪水印嵌入方法及*** |
CN108109187A (zh) * | 2017-12-04 | 2018-06-01 | 泰康保险集团股份有限公司 | 电子***生成方法、装置及电子设备 |
CN107984910A (zh) * | 2017-12-05 | 2018-05-04 | 大连易签云网络科技有限公司 | 一种电子盖章的方法和装置 |
CN108280371A (zh) * | 2018-01-28 | 2018-07-13 | 丁超 | 生成电子文档的方法、计算机可读存储介质及计算设备 |
CN108875322B (zh) * | 2018-05-31 | 2022-02-01 | 四川物联亿达科技有限公司 | 一种基于电子政务网的数字档案***方法 |
CN109739451A (zh) * | 2018-10-22 | 2019-05-10 | 京东方科技集团股份有限公司 | 数字图像展示方法、装置及*** |
CN111563238A (zh) * | 2019-04-19 | 2020-08-21 | 上海约顺信息科技有限公司 | 一种合同文本的防伪pdf自动生成***及方法 |
CN110727962B (zh) * | 2019-10-17 | 2023-07-07 | 武汉英思工程科技股份有限公司 | 一种适用于全流程过程化的电子签章方法 |
CN112733095A (zh) * | 2020-12-25 | 2021-04-30 | 山东浪潮通软信息科技有限公司 | 一种自动生成文档水印的实现方法及设备 |
CN113989123B (zh) * | 2021-12-23 | 2022-07-22 | 广州市新文溯科技有限公司 | 一种电子图章加盖方法、***、电子设备和可读介质 |
CN116702719A (zh) * | 2023-06-16 | 2023-09-05 | 易签链(深圳)科技有限公司 | 一种基于人工排版深度学习的智能印文生成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1758585A (zh) * | 2004-10-10 | 2006-04-12 | 北京华旗数码影像技术研究院有限责任公司 | 数字水印认证签章的方法 |
JP4179977B2 (ja) * | 2003-11-28 | 2008-11-12 | 株式会社リコー | スタンプ処理装置、電子承認システム、プログラム、及び記録媒体 |
CN101398870A (zh) * | 2007-09-24 | 2009-04-01 | 广州市百成科技有限公司 | 一种基于密码分层体系的电子****** |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050120290A1 (en) * | 2003-12-01 | 2005-06-02 | Information Handling Services Inc. | Page rendered electronic file processing |
-
2013
- 2013-10-31 CN CN201310531143.0A patent/CN103577729B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4179977B2 (ja) * | 2003-11-28 | 2008-11-12 | 株式会社リコー | スタンプ処理装置、電子承認システム、プログラム、及び記録媒体 |
CN1758585A (zh) * | 2004-10-10 | 2006-04-12 | 北京华旗数码影像技术研究院有限责任公司 | 数字水印认证签章的方法 |
CN101398870A (zh) * | 2007-09-24 | 2009-04-01 | 广州市百成科技有限公司 | 一种基于密码分层体系的电子****** |
Non-Patent Citations (2)
Title |
---|
iTextSharp在新能源Web***中的PDF报表应用;司秀丽、李伟为;《农业网络信息》;20121031(第10期);第47-52页 * |
基于C# iTextsharp类库PDF文档生成技术的研究与应用;李宽、张志红;《昆明学院学报》;20110630;第33卷(第3期);第68-75页 * |
Also Published As
Publication number | Publication date |
---|---|
CN103577729A (zh) | 2014-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103577729B (zh) | 一种pdf文件中加盖电子***的方法 | |
EP3410685B1 (en) | Image processing device, image processing method, and program | |
CN104851070B (zh) | 一种基于前景和背景分离的图像加密和解密方法 | |
CN102881034B (zh) | 一种向应用文档中***水印的***和方法 | |
CN109785222B (zh) | 一种用于网页的信息快速嵌入和提取的方法 | |
CN103745479B (zh) | 一种彩色图像数字隐写及其分析方法 | |
CN103093074B (zh) | 在检查报告中嵌入dicom医学图像的方法 | |
JP6543764B2 (ja) | デジタルビデオコンテンツのセキュリティ認証方法及びそのシステム | |
Ali et al. | Image steganography technique by using Braille method of blind people (LSBraille) | |
CN115841413A (zh) | 图像处理方法及装置 | |
CN104298705A (zh) | 一种关系型数据和非结构化数据的转换方法 | |
CN108256360B (zh) | 一种敏感信息的显示方法及终端 | |
JP2008022153A (ja) | 画像処理装置、および画像処理方法 | |
CN107895341A (zh) | 一种在图像中嵌入隐形水印的方法、存储介质及*** | |
WO2018129640A1 (zh) | 一种在应用图片中隐存信息的技术与组件 | |
CN103310130A (zh) | 文本文档数字水印的嵌入和提取方法 | |
Hongmei et al. | A high capacity distortion-free data hiding algorithm for palette image | |
CN115270084A (zh) | 一种基于截图信息保护的盲水印加密实现方法 | |
US20040177044A1 (en) | Processing of copy control information for digital rights management | |
CN108537053B (zh) | 一种基于文档的延迟水印添加技术 | |
CN102298572B (zh) | 电子文档生成设备及电子文档生成方法 | |
TWI536312B (zh) | Anti - copy image generation system and its operation method | |
JP6384161B2 (ja) | 文書マスキングシステム | |
CN102609897A (zh) | 一种在数字图像信号和矢量轨迹信号中实现数字水印的技术 | |
CN116362949A (zh) | 图像水印处理的方法、装置、设备及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method of stamping electronic seal in PDF file Effective date of registration: 20210705 Granted publication date: 20170111 Pledgee: China Co. truction Bank Corp Beijing Zhongguancun branch Pledgor: Run Technologies Co.,Ltd. Beijing Registration number: Y2021990000579 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170111 Pledgee: China Co. truction Bank Corp Beijing Zhongguancun branch Pledgor: RUN TECHNOLOGIES Co.,Ltd. BEIJING Registration number: Y2021990000579 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method of affixing electronic seals in PDF files Granted publication date: 20170111 Pledgee: Bank of Communications Co.,Ltd. Beijing Asian Games Village Branch Pledgor: RUN TECHNOLOGIES Co.,Ltd. BEIJING Registration number: Y2024110000165 |