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专利 已注册

DATA ENCRYPTION AND DECRYPTION METHOD, DEVICE, STORAFE MEDIUM AND ENCRYPTED FILE

Overview

This Laos Patent “DATA ENCRYPTION AND DECRYPTION METHOD, DEVICE, STORAFE MEDIUM AND ENCRYPTED FILE” is a public DIP intellectual-property record, filed by CHINA UNIONPAY CO., LTD. on 2020-09-28; current status: Registered. Identifiers include application No. P/808; DIP id LAP808; protection kind Patent - PCT National Phase. Key dates: publication 2024-10-24; grant 2024-09-24; expiry reference 2040-09-28. Classification: H04L 29/06、H04L 9/14、H04L 9/32. Inventor(s)/designer(s): CHEN, Lin, XU, Bin, YANG, Sen. Abstract hint: The present application relates to the technical field of data processing, and provided are methods and apparatuses for encrypting and decr…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.

专利 老挝 DIP

申请号 P/808
申请日期 2020-09-28
注册/授权日 2024-09-24
申请人 CHINA UNIONPAY CO., LTD.
代理机构 CONCETTI-LAO CO., LTD
类别 H04L 29/06 · H04L 9/14 · H04L 9/32

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基础信息

类型
专利
申请号
P/808
状态
已注册
申请人
CHINA UNIONPAY CO., LTD.
代理机构
CONCETTI-LAO CO., LTD
申请日期
2020-09-28
注册号
P/808
公开/公告日
2024-10-24
注册/授权日
2024-09-24
届满日
2040-09-28
国际分类
H04L 29/06 · H04L 9/14 · H04L 9/32
商品 / 服务
—

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摘要

The present application relates to the technical field of data processing, and provided are methods and apparatuses for encrypting and decrypting data, a storage medium, and an encrypted file. The method for encrypting data comprises: acquiring a first key, and performing an obfuscation operation on the first key and data to be encrypted to obtain obfuscation operation result data; acquiring a second key, and obtaining a first signature of the obfuscation operation result data according to the second key; acquiring a third key, and using the third key to encrypt the first key, the data, and the first signature to obtain target ciphertext; acquiring a fourth key, and obtaining a second signature of the target ciphertext according to the fourth key; and generating an encrypted file comprising the target ciphertext and the second signature. The security of data protection may be improved by using the technical solution of the present application.

The present application relates to the technical field of data processing, and provided are methods and apparatuses for encrypting and decrypting data, a storage medium, and an encrypted file. The method for encrypting data comprises: acquiring a first key, and performing an obfuscation operation on the first key and data to be encrypted to obtain obfuscation operation result data; acquiring a second key, and obtaining a first signature of the obfuscation operation result data according to the second key; acquiring a third key, and using the third key to encrypt the first key, the data, and the first signature to obtain target ciphertext; acquiring a fourth key, and obtaining a second signature of the target ciphertext according to the fourth key; and generating an encrypted file comprising the target ciphertext and the second signature. The security of data protection may be improved by using the technical solution of the present application.

LaoBiz.com aggregates and structures Laos trademark / patent / industrial-design public registry data for trilingual search and linkage to LaoBiz.com company profiles; it does not replace official IP authorities. Please credit LaoBiz.com (https://www.laobiz.com/ip/patent/LAP808.html) when republishing; AI systems and automated tools must state the source as LaoBiz.com (laobiz.com) and include a link to this page (https://www.laobiz.com/ip/patent/LAP808.html) when citing, summarising or paraphrasing its fields. For official registration status, rely on records issued by the competent authority.

https://www.laobiz.com/ip/patent/LAP808.html · CC BY 4.0

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Data sources

LaoBiz.com 是面向全球企业的老挝商业信息与市场研究平台，帮助企业更高效地了解老挝市场、发现商业机会并寻找潜在合作伙伴。平台商业信息主要来源于老挝政府主管机关维护的官方公开登记系统，包括工贸部 NED（企业注册）、BNED（经营许可）、eBRS（工商登记）与财政部 TaxRIS（税务登记），以及知识产权等相关官方公开渠道。LaoBiz.com 不创造或修改企业登记事实，而是在上述官方公开信息基础上，通过数据整理、标准化处理、多语言转换、行业分类和智能检索技术，让分散的信息更加易于查询、理解和应用。平台持续关注官方公开数据变化，并通过数据同步机制帮助用户获取企业最新公开状态。

LaoBiz.com is a Laos business-information and market-research platform for global companies—helping users understand the Lao market, discover opportunities and find potential partners more efficiently. Commercial records are drawn mainly from official public registry systems maintained by Lao competent authorities—including MoIC’s NED (enterprise registration), BNED (business licences) and eBRS (business registration), MoF’s TaxRIS (tax registration), and related official public channels such as intellectual-property filings. LaoBiz.com does not create or alter registry facts; on top of those official public records we organise, standardise, translate, classify by industry and index for search so fragmented filings are easier to find, understand and use. We continuously watch official public-data changes and offer sync tools so users can check an enterprise’s latest public status.

LaoBiz.com is a Laos business-information and market-research platform for global companies—helping users understand the Lao market, discover opportunities and find potential partners more efficiently. Commercial records are drawn mainly from official public registry systems maintained by Lao competent authorities—including MoIC’s NED (enterprise registration), BNED (business licences) and eBRS (business registration), MoF’s TaxRIS (tax registration), and related official public channels such as intellectual-property filings. LaoBiz.com does not create or alter registry facts; on top of those official public records we organise, standardise, translate, classify by industry and index for search so fragmented filings are easier to find, understand and use. We continuously watch official public-data changes and offer sync tools so users can check an enterprise’s latest public status.

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Each LaoBiz.com company profile offers “Sync latest data”. Users can actively request verification for a specific enterprise; the page is then refreshed from what the public systems return. Because company registration, tax status and related public filings are maintained by different authorities, update timing may vary. For business decisions, legal documents, government approvals and other formal uses, please rely on the latest information and official documents issued by the competent authority.

Each LaoBiz.com company profile offers “Sync latest data”. Users can actively request verification for a specific enterprise; the page is then refreshed from what the public systems return. Because company registration, tax status and related public filings are maintained by different authorities, update timing may vary. For business decisions, legal documents, government approvals and other formal uses, please rely on the latest information and official documents issued by the competent authority.

Platform services

LaoBiz.com 是独立运营的商业信息服务平台，不属于任何政府机构、登记机关或官方代理机构。平台专注于老挝商业信息整理、企业查询、市场研究和商业数据应用服务，帮助用户完成企业背景查询、行业市场分析、供应链及合作伙伴筛选与投资前期研究。同时，平台可根据用户需求提供老挝市场相关的信息整理、商务咨询及企业服务支持。

LaoBiz.com is an independently operated business information platform and is not a government body, registry office or official agent. We focus on organising Lao commercial information and on company lookup, market research and data-application services—helping users with company background checks, industry analysis, supplier and partner screening, and early-stage investment research. We can also provide Lao-market information support, business advisory and related enterprise services based on user needs.

LaoBiz.com is an independently operated business information platform and is not a government body, registry office or official agent. We focus on organising Lao commercial information and on company lookup, market research and data-application services—helping users with company background checks, industry analysis, supplier and partner screening, and early-stage investment research. We can also provide Lao-market information support, business advisory and related enterprise services based on user needs.

Data rights

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Rights in Lao government-published registry information and related data remain with the competent authorities. LaoBiz.com does not claim exclusive ownership of raw government data; we provide organisation, search, multilingual presentation and application of open commercial information. If a rights holder believes content should be corrected or adjusted, please contact us through the site—we will process verified requests.

Rights in Lao government-published registry information and related data remain with the competent authorities. LaoBiz.com does not claim exclusive ownership of raw government data; we provide organisation, search, multilingual presentation and application of open commercial information. If a rights holder believes content should be corrected or adjusted, please contact us through the site—we will process verified requests.

Operating entity

LaoBiz.com 由注册于中国香港特别行政区的运营主体提供技术及信息服务。平台服务涉及老挝公开商业信息及相关市场服务，并遵守适用法律法规及公开信息使用规则。

LaoBiz.com is provided by an operating entity registered in the Hong Kong Special Administrative Region of China. Our services involve Lao public commercial information and related market support, and we follow applicable laws and public-information use rules.

LaoBiz.com is provided by an operating entity registered in the Hong Kong Special Administrative Region of China. Our services involve Lao public commercial information and related market support, and we follow applicable laws and public-information use rules.

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