CN103812654A

CN103812654A - Electronic signature system using two-dimension codes for bearing electronic signatures or digital certificates

Info

Publication number: CN103812654A
Application number: CN201310238760.1A
Authority: CN
Inventors: 李安
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-17
Filing date: 2013-06-17
Publication date: 2014-05-21

Abstract

The invention relates to an electronic signature system using two-dimension codes for bearing electronic signatures or digital certificates. As shown in the figure, the electronic signature system comprises an electronic signature generation module, a two-dimension code encoding module, a two-dimension code decoding module and an electronic signature authentication module. By means of the system, relevant operations of electronic signatures or digital certificates are simplified, the cost is reduced, the efficiency is improved, and wide and efficient applications of electronic signatures or digital certificates in the real production and life are achieved.

Description

Use Quick Response Code carrying electronic signature or digital certificate

Technical field

The invention belongs to electronic signature technology field, by (or claiming two-dimensional bar code with Quick Response Code, lower same) carrying electronic signature or digital certificate, simplify the associative operation of electronic signature and digital certificate, reduce costs, raise the efficiency, realize electronic signature and digital certificate in real productive life more extensively, more efficiently apply.

Background technology

Electronic signature: " referring in electronic message contained, appended for identifying signer's identity and showing that signer approves the wherein data of content with electronic form "---" People's Republic of China's law of electronic signature " Article 2.

Signature algorithm: realize from technology, electronic signature is to use certain signature algorithm, a kind of result of calculation obtaining intending protected data (text of signing, lower same) to carry out signature calculation.Because the encryption of signature algorithm, checking feature; make this result of calculation possess authenticity (anti-counterfeiting, anti-repudiation), certainty (can verify), uniqueness and (all can make result of calculation difference to any change of text; anti-tamper); thereby realize the signature behavior being equal in real world, even more can play a protective role than reality signature.

Signature text and signature ciphertext: signature text is the data that need protection are data inputs of signature algorithm; Signature ciphertext is the result of signature calculation, is the data output of signature algorithm.Needs during according to application, electronic signature can comprise signature text and signature ciphertext simultaneously while issue, also can only comprise signature ciphertext.

Digital certificate: be a kind of special electronic signature, except confirming certificate holder's identity, also arranged the relevant item of the next stage electronic signature behavior that this holder can implement accordingly, comprise algorithm, key, verification mode etc.This is generally used for building the electron underwriting authentication system of cascade.Such as certain authority mechanism's (as government, certain root authority) that awards a certificate is presented to a digital certificate of certain body holder; the text that is subject to signature protection in this certificate comprises two parts: the information such as a part of identity for body holder, title, validity period of certificate, another part is the required information such as algorithm, key of electronic signature behavior that body holder is implemented oneself.After having had this certificate, this body holder also can be implemented electronic signature or issue certificate.The present invention both can be used for electronic signature, also can be used for digital certificate.Remaining part is not distinguished the two herein, is all called for short electronic signature.All places of mentioning electronic signature, all refer to electronic signature or digital certificate.

" People's Republic of China's law of electronic signature ": promulgated in 2004, and execution in 1 day April in 2005.The angle of countries from legislative, has established the legitimacy, validity, the non repudiation that sign electronically.But before there is no the present invention, electronic signature is present in various Information Technology Equipments with the electronic form of data file or data message, not by Information Technology Equipment and means, be difficult to store, print, show, circulate, identify, read, verify and use, hindered electronic signature applying in real productive life.

Quick Response Code (also claiming two-dimensional bar code, lower same): refer to and use two-dimensional lattice pattern table registration certificate, can obtain wherein a kind of Deta bearer, the form of expression of contained information after being read by equipment.

Summary of the invention

The object of the invention is to electronic signature data to be encoded to Quick Response Code, print, store, show, circulate, identify, authenticate and use, simplifying the associative operation of electronic signature, reducing costs, raise the efficiency, realize and sign electronically more extensively, apply more efficiently.The electronic signature system building according to the present invention comprises " electronic signature generation module ", " Quick Response Code coding module ", " Quick Response Code decoder module " and " electron underwriting authentication module ".

Electronic signature generation module: the input of this module is signature text, intends the clear data of protection.The output of this module is electronic signature data, comprises signature ciphertext, and the needs during in addition according to application, can comprise signature text, also can not comprise signature text.Signature algorithm, can be symmetrical, can be also asymmetrical.Key can be disclosed, also can maintain secrecy.Use which kind of algorithm, key, and which kind of signature, authentication system, do not affect the present invention and normally play a role.As long as the electronic signature generating is legal, effective, simultaneously technical feasible, reliable, all can be used as the input of next module.

Quick Response Code coding module: the input of this module is the output of last module, i.e. electronic signature data.The output of this module is Quick Response Code.Needs during according to application, Quick Response Code can adopt encoding scheme redundancy, fault-tolerant, also can adopt redundancy, not fault-tolerant scheme.Can adopt coloredly, also can adopt the encoding scheme of black and white.The Quick Response Code generating can print rear circulation, use, also can be stored in electronic equipment and circulate, uses, and also can circulate by communication mode, use.Existing Quick Response Code encoding scheme is a lot, as long as can be by electronic signature data normal encoding, represent, read, decode, uses which kind of encoding scheme, and which kind of circulating medium, does not affect the present invention and normally play a role.

Quick Response Code decoder module: this module is aforementioned [0010]the reverse process process of module, that is: identify, read, resolve Quick Response Code by corresponding equipment, encoding scheme, and be reduced to electronic signature data.The input of this module is Quick Response Code, and output is electronic signature data.

Electron underwriting authentication module: this module is aforementioned [0009]the alignment processing process of module, verifies, confirms and use electronic signature data by corresponding electron underwriting authentication system.

Accompanying drawing explanation

Accompanying drawing is building-block of logic of the present invention.

Embodiment

Generate electronic signature by " electronic signature generation module ", transfer to " Quick Response Code coding module " to process.

The electronic signature data that " Quick Response Code coding module " transmits " electronic signature generation module " is encoded to Quick Response Code.

The Quick Response Code generating need to normally circulate according to application.

When needs checkings or while using the electronic signature that a Quick Response Code carries, " Quick Response Code decoder module " decodes to this Quick Response Code, result transferred to " electron underwriting authentication module " process.

The data that " electron underwriting authentication module " transmits " Quick Response Code decoder module " authenticate, and draw authentication result, the interior appended data of needs use electronic signature, provide the clear data after deciphering.

Claims

1. use Quick Response Code carrying electronic signature or digital certificate, it is characterized in that: use the carrying of two-dimensional lattice pattern through the identification of encrypting or proof property information.

2. method according to claim 1, is characterized in that: the identification through encrypting or proof property information are converted to two-dimensional lattice pattern, and these information can comprise also can not comprise corresponding plaintext.

3. method according to claim 1, is characterized in that: by information represented two-dimensional lattice pattern, use as identification or proof property information.