A kind of official seal with rotatable outer ring and encryption method thereof

Abstract

The invention relates to an official seal with a rotatable outer ring and an encryption method thereof, comprising a casing and a base, the bottom of the casing is provided with a groove, the base is inserted into the groove, and the top of the base is fastened to the casing through screws. A cavity is formed between the groove and the base, and an electric driving mechanism is arranged in the cavity, and a rotating mechanism is arranged at the bottom of the electric driving mechanism; an outer ring is arranged around the outside of the base at the bottom of the housing, and the rotating mechanism passes through the The bottom of the base is connected to the outer ring; a serial code mark is provided between the bottom inner edge of the outer ring and the bottom outer edge of the base. The beneficial effects of the present invention are: the official seal provided by the present invention has an encryption effect, and cannot be counterfeited at will, and can be rotated at a certain angle according to part of the content of the document to generate different encrypted data, which can be directly stamped on the document. Prevention can prevent the seal from being privately engraved or copied, and can be effectively bound to the file to prevent the file from being tampered with.

Description

technical field [0001] The invention relates to the application field of official seals, in particular to an official seal with a rotatable outer ring and an encryption method thereof. Background technique [0002] Most of the official seals currently used by people have uniform standards in appearance, while the pattern part is anti-counterfeiting, and is an important signature certificate for business transactions of various units. Most of the existing official seals still use the original method, but due to the small size of the official seal, easy to carry, and lack of fixed protection measures, some bad human factors can easily intervene in the use of the official seal, and the seal is easy to be damaged. Imitation has certain restrictions on the protection of paper documents and the official seal itself. Therefore, the safe and reasonable use of the official seal can only rely on the monitoring of the person in charge and the consciousness of the user. In reality, th...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an official seal with a rotatable outer ring and its encryption method, so as to overcome the disadvantages of poor practical performance, poor reliability and no anti-counterfeiting in the current prior art.

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