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Non-standard character repertoire processing method and device, and system adopting same

A processing method and character library technology, which is applied in the field of character library processing, can solve problems such as encryption means cracking attacks, and achieve the effect of improving security and encryption strength

Inactive Publication Date: 2012-07-11
SHENZHEN Y& D ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But precisely because the algorithm is open, the existing encryption methods will inevitably suffer cracking attacks

Method used

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  • Non-standard character repertoire processing method and device, and system adopting same
  • Non-standard character repertoire processing method and device, and system adopting same
  • Non-standard character repertoire processing method and device, and system adopting same

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] The invention provides a method for establishing a dynamic non-standard character library. By processing standard Chinese character codes, one-time code conversion, code conversion is irreversible, and user-related and unique, so that the input digital content becomes the user's personal information. The unique dynamic security character library realizes the direct display and use of the digital content without revealing the plaintext information, which solves the common problem of "ultimately revealing the plaintext data" in conventional encryption and decryption methods.

[0036] The inven...

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Abstract

The invention discloses a non-standard character repertoire processing method which comprises the following steps: characters in a standard / dynamic non-standard character repertoire are subjected to coding sample expansion during storage and transmission to generate a safe basic character repertoire which is then stored and transmitted; and the characters, subjected to coding sample expansion, in the non-standard character repertoire are restored after the stored or transmitted safe basic character repertoire is received, so as to generate a non-standard safe character repertoire. According to the invention, a larger enough encryption-decryption character sample set is formed in the transmission process, and the encryption strength is greatly enhanced, thereby providing a safe basic character repertoire for a general encryption-decryption method.

Description

technical field [0001] The present invention relates to the technical field of font processing, in particular to a method and system for processing fonts. Background technique [0002] With the wide application of various encryption and decryption technologies in aspects such as content security, various readers have been launched on the market at present, in order to prevent users from illegally copying the displayed content as much as possible. [0003] No matter what kind of encryption method is used in the existing content protection products, what is finally displayed to the user is the decrypted plaintext content, which cannot effectively prevent illegal copying and duplication. [0004] Therefore, there is a need in the prior art to provide a method or device so that even if the copyer copies the Chinese characters or digital codes from the server to his local computer, they cannot be effectively recognized by the existing character library of the local computer. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00G06F21/00G06F21/31
Inventor 戚建淮曾广良
Owner SHENZHEN Y& D ELECTRONICS CO LTD