Logo generation method and device

A technology for generating devices and markings, which is applied in special data processing applications, instruments, electrical digital data processing, etc., and can solve problems such as pseudo-randomness, difficulty in controlling the length of names, and unpredictability of services

Inactive Publication Date: 2011-12-07
YONYOU NETWORK TECH CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

Although this approach makes up for the shortcomings of traditional random identification, the length of the name is difficult to control
[0011] Therefore, a technical solution is needed to solve the problems of business unpredictability and pseudo-randomness in the traditional unique identification generation method, and at the same time, it can ensure the uniqueness of the identification, fixed length, information concealment and other characteristics from the business rules

Method used

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  • Logo generation method and device
  • Logo generation method and device
  • Logo generation method and device

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] figure 1 is a flow chart showing the token generation method according to the present invention. Such as figure 1 As shown, in step S102, according to the business logic of the information system, design a name generator for the information system; in step S104, use the name generator to generate a name for the data entity; and in step S106, A message digest is generated from the name generated by the name generator using a message digest algorithm, and the message digest is used as a unique identifier of the data entity.

[0029] Wherein, the length of the name generated by the name generator is not limited, which is used to ensure that different data entities have different names. The message digest generated by the message digest algorithm has a fixed length. The message digest algorithm is a one-way hash algorithm. For...

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Abstract

The present invention provides a method for generating an identifier, which is used to generate a unique identifier for a data entity according to the business logic in the information system, comprising the following steps: designing a name generator for the information system according to the business logic of the information system; using The name generator generates a name for a data entity; and a message digest is generated from the name generated by the name generator using a message digest algorithm, and the message digest is used as a unique identifier of the data entity. At the same time, the invention also proposes an identification generating device. The identification generation method and device according to the present invention solve the problems of unpredictability and pseudo-randomness in the traditional unique identification generation method, and at the same time ensure the uniqueness, fixed length, information concealment and other characteristics of the identification from the business rules.

Description

technical field [0001] The invention relates to a method for generating an identifier of an information system, and more particularly, to a method for generating a unique identifier with predictable business. Background technique [0002] An identifier is needed to distinguish data entities in an information system, and this identifier is called a unique identifier. Unique identifiers are widely used in various fields such as database primary keys, object identifiers, and file systems. The main requirements for unique identification are: uniqueness, controllability, and information concealment. Among them, the uniqueness requires that two different identifiers cannot be repeated, the controllability requires that the identifiers be of the same length and should not be too long, and the information concealment requires that the identifiers cannot reveal the physical meaning of the data entity. [0003] The common way to generate unique identifiers in information systems is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 陈岑
Owner YONYOU NETWORK TECH CO LTD
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