Electronic billing system

An electronic and electronic form technology, applied in data processing applications, commerce, instruments, etc., can solve problems such as immutability, difficulty in grasping the timeliness, etc., and achieve the effect of ensuring integrity, immutability, and authenticity.

Inactive Publication Date: 2006-08-16
刘瑞祯
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] (2) It is difficult to grasp the time limi...

Method used

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with the accompanying drawings.

[0051] Figure 1A Indicates an original stamp image without any watermark information. The seal image 101 is used as the master of the digital seal, ensuring people's habit in the process of using it.

[0052] Figure 1B It represents the digital seal image that the digital seal system provided by the present invention contains digital watermark information (such as seal code identification information). The digital seal image 102 includes two parts: the first part is a meaningful visible seal image, and provides the primary identification function of the seal; the second part is the watermark information embedded in the image, which is used to identify the authenticity of the seal, Judge its integrity, non-tampering and legality.

[0053] Figure 1C express Figure 1B The paper copy 103 of the digital seal image 102, that is, the digital seal image 102 is output...

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Abstract

An electron bill system that combines with digital seal, the digital signature of important information in the bill embed in the seal image by the technology of the image watermark, the digital seal insure the integrality, un-alterability and un-deniability of the E-table bill, the seal can print out on the paper, and the information in the E-table can be safety authentication, anti-bogus and anti-sophisticate. The electron bill system use advantages that provided by the network to shorten the transmitting time by the electron transmitting method of, and also ensures the authenticity and the un-alterability of the digital seal technology that combine the digital watermark, and use the digital certificate technology to ensure the anti-bogus and the undeniable character of the user's status.

Description

technical field [0001] The invention relates to a digital seal technology, which uses the existing network security identity authentication mechanism and data encryption technology to facilitate complete and safe unified bill network transmission, so as to provide the integration of internal and external office automation of the enterprise. Background technique [0002] In order to meet the needs of e-commerce, my country is actively exploring and trying to complete the process of declaration, payment, and transmission certificate through electronic management. In recent years, my country's information infrastructure has developed rapidly. The country has successively completed a number of large-scale national backbone network projects, providing the necessary foundation for the development of electronic bills. At the same time, the popularization of computer equipment and communication equipment and the reduction of communication costs, It also creates favorable conditions f...

Claims

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Application Information

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IPC IPC(8): G06Q30/00
Inventor 刘瑞祯
Owner 刘瑞祯
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