CN104200364A - Digital signature-based network transaction system and method - Google Patents
Digital signature-based network transaction system and method Download PDFInfo
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- CN104200364A CN104200364A CN201410431694.4A CN201410431694A CN104200364A CN 104200364 A CN104200364 A CN 104200364A CN 201410431694 A CN201410431694 A CN 201410431694A CN 104200364 A CN104200364 A CN 104200364A
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- transaction
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- transaction information
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- digital signature
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0633—Lists, e.g. purchase orders, compilation or processing
- G06Q30/0635—Processing of requisition or of purchase orders
- G06Q30/0637—Approvals
Abstract
The invention relates to the network safety field, in particular to a digital signature-based network transaction system and method. The digital signature-based network transaction system comprises a transaction platform for obtaining transaction information, realizing the digital signature for the transaction information and generating signature information, and an encoder connected with the transaction platform and used for verifying the transaction information based on the signature information and converting the transaction information into readable codes. After a potential user obtains the transaction information through the transaction platform or readable codes, the potential user digitally signs the received transaction information, converts the transaction information into readable codes and sends out the readable codes. The content of the transaction information is increased correspondingly along with the increase of the signature of potential users, and the content is spread infinitely through the readable codes.
Description
Technical field
The present invention relates to network safety filed, relate in particular to a kind of internet trading system and method.
Background technology
Digital signature is some data that are attached in data cell, or the cryptographic transformation to data cell.This data or conversion allow the recipient of data cell to confirm the source of data cell and the integrality of data cell, and protected data, prevents from for example, being forged by people (recipient) simultaneously.Can obtain digital signature based on public-key cryptosystem and private key cipher system, be mainly at present that the digital signature based on public-key cryptosystem comprises ordinary numbers signature and special number signature." digital signature " is a kind of electric endorsement method that in current ecommerce, E-Government, application is the most general, technology is the most ripe, operability is the strongest, it has adopted normalized program and scientific method, for the identification of signer's identity and the accreditation to an electronic data content, the original text that can also verify file has no change in transmitting procedure, guarantees the integrality of transmission electronic file.Authenticity and non repudiation.
Along with the development of Internet technology, shopping online has become a kind of trend, it is mainly to retrieve merchandise news by internet, and sends shopping request by electronic purchase order, then inputs consumer's account information, manufacturer delivers by the mode of mail-order, or deliver goods to the customers by express company, it has broken through the obstacle of traditional business model, and having realized is in goes shopping, order goods according to consumer's oneself wish completely, and be not subject to time restriction; Can also obtain a large amount of merchandise news, even buy the commodity that locality can't buy, save time and laborsaving, be that consumer, businessman or market are all existed to huge attractive force and influence power, the idealized model of beyond doubt a kind of " multi-win ".
Summary of the invention
There is various distorting and forgery situation in network trading information at present, lacks effective prevention method, causes network trading information false information serious.For this problem, the invention provides a kind of safety of network trade system and method based on digital signature, the accuracy and the authenticity that have ensured Transaction Information by the digital signature of Transaction Information, have again the introducing of scrambler, and Transaction Information is promoted to transmission.
Based on an internet trading system for digital signature, comprising:
Transaction platform, for obtaining Transaction Information, realizes the digital signature of described Transaction Information, generates signing messages;
Scrambler, is connected with described transaction platform, verifies described Transaction Information, and convert described Transaction Information to code-reading based on described signing messages.
Scrambler is that signal (as bit stream) or data are worked out, are converted to can be in order to the equipment of the signal form of communication, transmission and storage.In the present invention, the form that Transaction Information is converted to code-reading forwards, and allows potential user can obtain the content in Transaction Information, at present, uses and comprises comparatively widely Quick Response Code etc., and the scrambler here can be Quick Response Code maker etc.
Preferably, described Transaction Information comprises transaction platform information and demand information.
Preferably, described Transaction Information comprises transaction platform information, demand information and user profile.
We know, normally, in transaction system, generally include buyer, seller and transaction platform, and said user profile is buyer's information in the present invention, comprises buyer's accounts information; Same, demand information is seller's information, comprises as manufacturer's information, merchandise news etc.; Transaction platform information, comprises transaction platform link etc.; User profile comprises the information such as user account password.
Preferably, also comprise: at least one code reader and at least one signature device, described code reader is used for reading described code-reading, obtains described Transaction Information; Described signature device is for signing to described user profile.
Code reader is a kind of for reading the equipment of above-mentioned code-reading, and it can be separately as an equipment, as the code reader that reads bar code on commodity using in supermarket at present etc.; Also can be used as an application program and be arranged in equipment, as be arranged on code reader in mobile phone etc.
Based on a network trading method for digital signature, comprise the following steps:
S1 transaction platform obtains the first Transaction Information, realizes the digital signature of described the first Transaction Information simultaneously;
Described in S2, transaction platform sends coding request;
S3 scrambler receives the described coding request that described transaction platform sends, and verifies described the first Transaction Information;
If described the first Transaction Information of S4 is proved to be successful, described scrambler converts described the first Transaction Information to first code-reading.
Preferably, comprise at least one code reader and at least one signature device.
Preferably, further comprising the steps of:
Described in S5, code reader reads described code-reading, and then obtains described the first Transaction Information, enters described transaction platform;
S6 user inputs user profile in transaction platform;
S7 signature device is realized the signature of described user profile;
Described in S8, transaction platform sends the second Transaction Information that comprises the user profile after signature to encode and asks to scrambler;
S9 scrambler receives the described coding request that described transaction platform sends, and verifies described the second Transaction Information;
If described the second Transaction Information of S10 is proved to be successful, described scrambler converts described the second Transaction Information to second code-reading.
Preferably, described code reader obtains Transaction Information by described the first code-reading and/or the second code-reading.
Internet trading system and method based on digital signature provided by the invention, its beneficial effect is:
1. in the present invention, first Transaction Information is carried out to digital signature, again Transaction Information is converted into code-reading subsequently, finally code-reading is forwarded, allow potential user can obtain above-mentioned Transaction Information; The digital signature of Transaction Information, confidence level and the integrality of Transaction Information are ensured, be Transaction Information in the process forwarding not by malicious modification, and then make potential user get reliable Transaction Information, effectively prevented Transaction Information by the third party of malice distort, pretend to be, forgery etc.;
2. the form that in the present invention, Transaction Information is converted to code-reading forwards, and has ensured the integrality of the Transaction Information that potential user obtains; Potential user needs only and obtains Transaction Information by obtaining code-reading, and this mode is convenient and swift, has brought facility to a great extent to potential user's obtaining information.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of the internet trading system based on digital signature in the present invention;
Fig. 2 is the structural representation of the specific embodiment of the internet trade system based on digital signature in the present invention;
Fig. 3 a is the schematic flow sheet of the network trading method based on digital signature in the present invention;
Fig. 3 b is the steps flow chart schematic diagram that in the specific embodiment of the network trading method based on digital signature in the present invention, the step based in Fig. 3 a also comprises.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below in conjunction with drawings and Examples, the present invention is specifically described.Accompanying drawing in the following describes is only some embodiments of the present invention.For those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
As shown in Figure 1, the invention provides a kind of internet trading system based on digital signature, specifically comprise transaction platform and scrambler; Wherein, transaction platform is used for obtaining Transaction Information, realizes the digital signature of Transaction Information, generates signing messages; Scrambler, is connected with transaction platform, based on signing messages checking Transaction Information, and converts Transaction Information to code-reading.
Particularly, digital signature is by an one-way function, the information that will transmit to be processed the alpha-numeric string whether changing in transport process in order to authentication information source verified information obtaining, the digital signature method RSA digital signature, the Hash signature etc. that are most widely used at present, wherein, RSA digital signature realizes by hash function; What Hash signature used is digital signature method, i.e. digital digest method or digital finger-print method, and this method is closely connected digital signature and the information that will send, and has increased to a great extent confidence level and the security of the information of transmitting.In the present invention, Transaction Information sends by after digital signature again, can guarantee the accurate source of Transaction Information, can ensure again integrality and the safe reliability of Transaction Information.Especially, the present invention does not limit the concrete mode of digital signature, as long as it can carry out digital signature to Transaction Information, all comprises in the present invention.
Transaction platform is a kind of third-party business safety control platform, Main Function is the safety in order to ensure that both parties conclude the business on the net, the problems such as sincerity, as, well-known " Jingdone district " etc. is the transaction platform based on internet, these transaction platforms not only provide network safe transaction platform, also provide diversified product to select for user, for user's life offers convenience simultaneously.Especially, the present invention is not construed as limiting the concrete form of transaction platform, as long as it can be used in the network trading of realizing internet trading system of the present invention, is all included in content of the present invention.
Further, in transaction platform of the present invention, also comprise the cryptographic algorithm of the digital signature for realizing transaction platform, as hash algorithm and encryption key, particularly, transaction platform has obtained and first by cryptographic algorithm, Transaction Information has been encrypted after Transaction Information is the first summary info, using subsequently private key to carry out digital signature to the first summary info becomes the first signing messages, and last trade platform is together sent to scrambler request coding together with Transaction Information and the first signing messages.Especially, the concrete form to cryptographic algorithm in the present invention is not construed as limiting, as long as it can be encrypted Transaction Information, is all included in content of the present invention.
Scrambler is that signal or data are worked out, are converted to can be in order to the equipment of the signal form of communication, transmission and storage.In the present invention, the form that Transaction Information is converted to code-reading forwards, and allows potential user can obtain the content in Transaction Information.Especially, in the present invention, we are not construed as limiting the concrete form of scrambler, as long as it can convert Transaction Information to readable information, are all included in content of the present invention.
Further, in the present invention, scrambler comprises and cryptographic algorithm identical in transaction platform and the PKI corresponding with encryption key.Particularly, after scrambler receives the first signing messages and Transaction Information that transaction platform sends over, first using public-key, the first signing messages is decrypted is the second summary info, meanwhile, it is the first summary info that cryptographic algorithm in scrambler is encrypted the Transaction Information receiving, scrambler is compared the first summary info and the second summary info that generate subsequently, if compare successfully, the Transaction Information that explanation receives is correct, be not tampered, passed through the checking of scrambler, and then scrambler changes into code-reading by Transaction Information, contrary, if the first summary info and the second summary info are compared unsuccessfully, there is mistake in the information that explanation receives, reminding user is made mistakes.
Further, Transaction Information comprises transaction platform information and demand information.Demand information is the information of the seller in transaction system, comprises as manufacturer's information, merchandise news etc.; Transaction platform information, comprises transaction platform link etc.Particularly, in the present invention, scrambler carries out digital signature to the transaction platform information in Transaction Information and demand information.
Code-reading comprises one dimension code and Quick Response Code, one dimension code: " bar code " being commonly called as, it is multiple secret notes and the blank that width is not waited, and arranges, in order to express the graphical identifier of one group of information according to certain coding rule.Quick Response Code: by a lot of 0,1 character matrixs that form, the chequered with black and white graphic recording data message distributing in plane (on two-dimensional directional) according to certain rules with certain specific geometric figure.The form that in the present invention, Transaction Information is converted to code-reading forwards, and has ensured the integrality of the Transaction Information that potential user obtains; Potential user needs only and obtains Transaction Information by obtaining code-reading, and this mode is convenient and swift, has brought facility to a great extent to potential user's obtaining information.
As shown in Figure 2, also comprise at least one code reader and at least one signature device in system, wherein, card reader is used for reading above-mentioned code-reading, and then obtains the Transaction Information that code-reading comprises.Particularly, in order to facilitate potential user to obtain Transaction Information, code reader can be arranged on potential user, in mobile phone, facilitates potential user to carry, and can obtain Transaction Information at any time.If convert Transaction Information to one dimension code, above-mentioned scrambler is that bar code generating is grown up to be a useful person, and code reader is one dimension code code reader; If Transaction Information converts Quick Response Code to, above-mentioned scrambler is Quick Response Code maker, and code reader is Quick Response Code maker, especially, also comprise the code reader that can reading one-dimensional code can read again Quick Response Code, no matter like this which kind of form of code-reading, user can obtain the information that its inside comprises.In the present invention, the concrete form of code reader and scrambler is not construed as limiting, as long as it can forward Transaction Information, the information that facilitates potential user to obtain wherein to comprise, is all included in content of the present invention.
Further, here, in Transaction Information except comprising transaction platform information and the demand information through digital authenticating, also comprise user profile, wherein, user profile is except comprising the information such as user's account, also comprise the information such as the comment of user to the demand information, after potential user has obtained comment information, by checking that comment content can help user to judge the demand of oneself, can help potential user to make a choice, can also help in this way transaction platform that the demand information wherein comprising is promoted away simultaneously.In the present invention, except if said method is to after transaction platform information and demand information carry out digital signature in Transaction Information, also to carry out digital signature to the user profile that comprises user's comment.In the present invention, pass through, as two generation U shields, the signature device of Ukey etc. is realized the digital signature of user profile, particularly, here the signature authentication process of transaction platform information and demand information is identical with previously described process, make following description for the digital signature procedure of user profile: transaction platform is sent to the first signature device by user profile after having obtained user profile, in signature device, encryption chip is encrypted as enciphered message the user profile receiving, specify the unique identifying number of the second signature device that the first enciphered message is decrypted simultaneously, as No. ID, be sent to transaction platform together with enciphered message and user profile subsequently, transaction platform sends coding together with transaction platform information and demand information again and asks to scrambler, after the Transaction Information that scrambler receives, first transaction platform information and demand information are verified, use subsequently second signature device of specifying to be decrypted user profile, here the second equipment comprises with algorithm identical in the first equipment enciphered message is decrypted as decryption information, again decryption information and the user profile receiving are compared, if compare successfully, descriptive information is correct, complete digital signature, convert code-reading to all information that receive by scrambler, again code-reading is spread out, contrary, if do not compare failure, reminding user.
Closer, as mentioned above, in the present invention, often have after a potential user obtained Transaction Information by transaction platform or code-reading, all the Transaction Information receiving is carried out converting code-reading to after digital signature, then code-reading is sent.A potential user's of the every increase of Transaction Information signature, the content that its inside comprises is corresponding increasing just, comprise the accounts information, the review information etc. that Add User, again by the unlimited diffusion of this mode of code-reading, the popularity of demand information not only can be improved to a certain extent, the promotion expense of demand information in transaction platform can also be reduced simultaneously.
As shown in Figure 3 a, in the present invention, provide a kind of network trading method based on digital signature, comprised the following steps:
S1 transaction platform obtains the first Transaction Information, realizes the digital signature of the first Transaction Information simultaneously;
S2 transaction platform sends coding request;
S3 scrambler receives the coding request that transaction platform sends, checking the first Transaction Information;
If S4 the first Transaction Information is proved to be successful, scrambler converts the first Transaction Information to first code-reading.
Particularly, in step S1, the first Transaction Information comprises transaction platform information and demand information.After transaction platform has obtained the first Transaction Information, first by cryptographic algorithm, Transaction Information being encrypted is the first summary info, using subsequently private key to carry out digital signature to the first summary info becomes the first signing messages, and last trade platform is together sent to scrambler request coding together with Transaction Information and the first signing messages.
In step S3, after scrambler receives the first signing messages and Transaction Information that transaction platform sends over, first using public-key, the first signing messages is decrypted is the second summary info, meanwhile, it is the first summary info that cryptographic algorithm in scrambler is encrypted the Transaction Information receiving, and scrambler is compared the first summary info and the second summary info that generate subsequently.
In step S4, if compare successfully, the Transaction Information that explanation receives is correct, is not tampered, and has passed through the checking of scrambler, and and then scrambler changes into code-reading by Transaction Information; Contrary, if the first summary info and the second summary info are compared unsuccessfully, there is mistake in the information that explanation receives, reminding user is made mistakes.
As shown in Figure 3 b, while the present invention includes at least one code reader and at least one signature device, based on the step of Fig. 3 a, further comprising the steps of:
S5 code reader reads code-reading, and then obtains the first Transaction Information, enters transaction platform;
S6 transaction platform obtains the second Transaction Information that comprises the first Transaction Information;
S7 transaction platform is realized the digital signature of the second Transaction Information, sends coding request simultaneously;
S8 scrambler receives the coding request that transaction platform sends, checking the second Transaction Information;
If S9 the second Transaction Information is proved to be successful, scrambler converts the second Transaction Information to second code-reading.
Particularly, in step S5, potential user obtains the first Transaction Information comprising in code-reading by code reader, the information of input oneself in transaction platform, comprises accounts information, comment etc. subsequently, forms user profile, again user profile is sent to signature device, user profile is signed.
In step S7, use, as the signature devices such as ukey carry out digital signature to user profile.
Further, in the present invention, potential user can obtain Transaction Information by above-mentioned the first code-reading and/or the second code-reading.
Be applied to an above-mentioned complete embodiment, the process of the network trading method based on digital signature that the present invention is comprised is made following description:
Transaction platform will comprise, as manufacturer's information and the transaction platform information of digital signature are passed through, and the Transaction Information such as merchandise news in transaction platform together packed transmission coding ask to scrambler, coding request receiving is verified the Transaction Information receiving after having arrived Transaction Information, if the information receiving is accurate, be proved to be successful, scrambler converts thereof into code-reading, as Quick Response Code etc.Transaction platform sends code-reading by the mode of oneself subsequently, promotes.
First user has obtained Transaction Information by code reader, view merchandise news system that Transaction Information comprises etc., and conclude the business, in transaction platform, this transactions demand is commented on, subsequently the user profile that comprises comment is signed by signature device, form new Transaction Information together with the Transaction Information receiving again, sending coding asks to scrambler, scrambler is verified Transaction Information after receiving new Transaction Information simultaneously, if the information receiving is accurate, be proved to be successful, scrambler converts thereof into code-reading, as Quick Response Code etc.Transaction platform sends code-reading by the mode of oneself subsequently, promotes.
By that analogy in the present invention, often have after a potential user obtained Transaction Information by transaction platform or code-reading, all the Transaction Information receiving is carried out converting code-reading to after digital signature, then code-reading is sent.A potential user's of the every increase of Transaction Information signature, the content that its inside comprises is corresponding increasing just, by the unlimited diffusion of this mode of code-reading, the popularity of demand information not only can be improved to a certain extent again, the promotion expense of demand information in transaction platform can also be reduced simultaneously.
Above the specific embodiment of invention be have been described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications that this system is carried out and alternative also all among category of the present invention.Therefore,, not departing from equalization conversion and the amendment done under the spirit and scope of invention, all should contain within the scope of the invention.
Claims (8)
1. the internet trading system based on digital signature, is characterized in that, comprising:
Transaction platform, for obtaining Transaction Information, realizes the digital signature of described Transaction Information, generates signing messages;
Scrambler, is connected with described transaction platform, verifies described Transaction Information, and convert described Transaction Information to code-reading based on described signing messages.
2. the internet trading system based on digital signature as claimed in claim 1, is characterized in that,
Described Transaction Information comprises transaction platform information and demand information.
3. the internet trading system based on digital signature as claimed in claim 1, is characterized in that,
Described Transaction Information comprises transaction platform information, demand information and user profile.
4. the internet trading system based on digital signature as claimed in claim 3, is characterized in that, also comprises: at least one code reader and at least one signature device;
Described code reader, for reading described code-reading, obtains described Transaction Information;
Described signature device, for signing to described user profile.
5. the network trading method based on digital signature, is characterized in that, comprises the following steps:
S1 transaction platform obtains the first Transaction Information, realizes the digital signature of described the first Transaction Information simultaneously;
Described in S2, transaction platform sends coding request;
S3 scrambler receives the described coding request that described transaction platform sends, and verifies described the first Transaction Information;
If described the first Transaction Information of S4 is proved to be successful, described scrambler converts described the first Transaction Information to first code-reading.
6. the network trading method based on digital signature as claimed in claim 5, is characterized in that: comprise at least one code reader and at least one signature device.
7. the network trading method based on digital signature as claimed in claim 6, is characterized in that, further comprising the steps of:
Described in S5, code reader reads described code-reading, and then obtains described the first Transaction Information, enters described transaction platform;
S6 user inputs user profile in transaction platform;
S7 signature device is realized the signature of described user profile;
Described in S8, transaction platform sends the second Transaction Information that comprises the user profile after signature to encode and asks to scrambler;
S9 scrambler receives the described coding request that described transaction platform sends, and verifies described the second Transaction Information;
If described the second Transaction Information of S10 is proved to be successful, described scrambler converts described the second Transaction Information to second code-reading.
8. the network trading method based on digital signature as claimed in claim 6, is characterized in that: described code reader obtains Transaction Information by described the first code-reading and/or the second code-reading.
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| CN201410431694.4A CN104200364A (en) | 2014-08-28 | 2014-08-28 | Digital signature-based network transaction system and method |
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| CN201410431694.4A CN104200364A (en) | 2014-08-28 | 2014-08-28 | Digital signature-based network transaction system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6675153B1 (en) * | 1999-07-06 | 2004-01-06 | Zix Corporation | Transaction authorization system |
| CN103617531A (en) * | 2013-12-16 | 2014-03-05 | 信雅达系统工程股份有限公司 | Safety payment method and device based on credible two-dimension code |
| CN103853819A (en) * | 2014-02-13 | 2014-06-11 | 腾讯科技（深圳）有限公司 | Information acquisition method, terminal and system |
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2014
- 2014-08-28 CN CN201410431694.4A patent/CN104200364A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6675153B1 (en) * | 1999-07-06 | 2004-01-06 | Zix Corporation | Transaction authorization system |
| CN103617531A (en) * | 2013-12-16 | 2014-03-05 | 信雅达系统工程股份有限公司 | Safety payment method and device based on credible two-dimension code |
| CN103853819A (en) * | 2014-02-13 | 2014-06-11 | 腾讯科技（深圳）有限公司 | Information acquisition method, terminal and system |
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Effective date of registration: 20160310 Address after: 201821, room 4, building 1411, 211 Yecheng Road, Jiading Industrial Zone, Shanghai, China Applicant after: Shanghai PeopleNet Security Technology Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park Zuchongzhi Road No. 899 Building 9 room 01 4 Applicant before: Shanghai everybody Science and Technology Ltd. |
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