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Method and apparatus for encrypting selected portion of file

A technology for files and encrypted data, used in file systems, file system management, computer security devices, etc.

Pending Publication Date: 2021-05-14
蔡启承
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present disclosure proposes a method and apparatus to solve at least one of the above technical problems, wherein only sensitive parts of a document or image are encrypted, thereby allowing the document or image to be meaningful without its sensitive part being viewable of

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  • Method and apparatus for encrypting selected portion of file
  • Method and apparatus for encrypting selected portion of file
  • Method and apparatus for encrypting selected portion of file

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Embodiment Construction

[0025] The present application will now be described in detail with reference to some specific embodiments thereof. Examples of these specific embodiments are shown in the accompanying drawings. While the application has been described in conjunction with these specific embodiments, it will be understood that it is not intended to limit the application to the described embodiments. On the contrary, the invention is intended to cover various alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. This application may also be practiced without some of these specific details. Well known process operations have not been described in detail below in order not to unnecessarily obscure the application.

[0026] According to an embodiment of the present applic...

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PUM

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Abstract

Disclosed is a method and a device for processing a file. According to an embodiment, the method comprises selecting a portion of the file to be encrypted; encrypting the selected portion of the file as encrypted data; and amending the file by replacing the selected portion with predefined data and appending the encrypted data at an end of the file.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from US Provisional Application No. 62 / 745,368, the entire disclosure of which is incorporated herein by reference for all purposes. technical field [0003] The present application relates to file processing, and more particularly to methods and apparatus for encrypting selected portions of files. Background technique [0004] As devices such as mobile phones and digital cameras become more common in our daily lives, sensitive documents and images are often stored on phones or computers or other storage devices. [0005] Because sensitive documents can be used for blackmail, identity theft, or embarrassment, it presents a security risk if the data falls into the wrong hands. [0006] Currently, there are many software that provide document or image encryption. However, all of these software encrypt documents or images as a whole. This makes the document or image incomprehensible unl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/60G06F16/11
CPCG06F21/602G06F21/6245G06F21/31G06F21/84
Inventor 蔡启承
Owner 蔡启承