KR101723019B1 - Mobile electric contract method using voices - Google Patents

Mobile electric contract method using voices Download PDF

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Publication number
KR101723019B1
KR101723019B1 KR1020150052983A KR20150052983A KR101723019B1 KR 101723019 B1 KR101723019 B1 KR 101723019B1 KR 1020150052983 A KR1020150052983 A KR 1020150052983A KR 20150052983 A KR20150052983 A KR 20150052983A KR 101723019 B1 KR101723019 B1 KR 101723019B1
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South Korea
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mobile
contract
subscriber
consent
key
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KR1020150052983A
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Korean (ko)
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KR20160123014A (en
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차병래
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제노테크주식회사
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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
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/18—Legal services; Handling legal documents
    • G06Q50/188—Electronic negotiation
    • 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • 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
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials

Abstract

In the present invention, a subscriber's mobile device subscribes to the agreement content by voice, notifies the consent of the contract through the mobile device of the subscriber, and the establishment of the contract is confirmed in a separate electronic contract server, The present invention relates to a mobile electronic contract method using voice to manage information and to certify a contract between the parties.
A mobile electronic contracting method using voice according to the present invention comprises a subscriber mobile (10) for transmitting contents of a contract to voice data of a subscriber for establishing a certain contract, and a subscriber mobile (10) And an electronic contract server (30) for managing and storing information on a contract between the subscriber mobile (10) and the consent mobile (20), the acceptance of the acceptant ) Of the subscriber, the contents of a contract previously agreed with the subscriber's voice as voice data is stored in the subscriber's mobile (10), and a consignee designation step of designating a subscriber's mobile number of the subscriber The electronic contract server 30 having received the subscriber's identity information and the designated consent's mobile number through the subscriber's mobile 10, The subscriber and the consent of the subscriber are checked to determine whether the subscriber and the consent of the subscriber are genuine or not, and if there is a defect, the contractor is notified of the suspension of the contract, and if there is no defect, A subscription content storing step and a contract content transmitting step for encrypting and storing the subscription key received from the subscriber's mobile 10 and transmitting the voice data of the subscription content to the consenting mobile 20, Decrypts the data through the session key, and outputs the decrypted data to the consent mobile 20 through the session key. The voice for accepting the voice is received and stored in the consent mobile 20, 30, confirms the authenticity of the consent's mobile through the corresponding communication company 50, and confirms the authenticity of the consent's mobile through the consent mobile 20, A contract content storing step of encrypting and storing the agreement information using the consent key transmitted from the consentee mobile 20; and a step of storing the contract information in the contractor mobile 10 and the consent mobile 20 ) Of the agreement contents stored in the electronic contract server (30) via the subscriber mobile (10) or the consent mobile (20) after the contract establishment notification step Upon receipt of the browse request, the subscriber mobile 10 decrypts and decrypts the decrypted content through the stored subscription key to provide browse data, decrypts the decrypted content using the stored consent key to provide browse data, And a step of, when the contract is completed or terminated after the completion of the contract establishment notification step, Receiving all the key acceptance of the offer and the acceptance key party mobile 20 of the mobile 10 deletes the contents of the contract, and characterized in that it comprises a termination notification step of notifying the completion of the contract.

Description

[0001] MOBILE ELECTRIC CONTRACT METHOD USING VOICES [0002]

The present invention relates to a mobile electronic contract method using voice, and more particularly, to a mobile electronic contract method using voice, by subscribing contract contents through a mobile device of a subscriber, notifying consent of agreement through a mobile device of the subscriber, To a mobile electronic contract method using voice to enable a separate contract server to manage agreement information and subscriber and consent information to prove contract between the parties.

Generally, for the purpose of establishing a bond obligation relationship, a contract must be concluded between the parties in advance, and the contract shall be kept by the parties one by one.

When a contract is concluded for such a transaction, if both parties of the contract make face-to-face contracts, there is a problem that time and cost are wasted. In other words, it is not easy for each party that conducts the contract to meet directly at the same place and at the same time, but it is an obstacle to contracting ineffective and rather quick.

As an opportunity to recognize the effect of the electronic document as the electronic signature law became effective, a technique for solving the above-mentioned inconvenience is provided, which enables the intermediary site to mediate, contract, and manage the contract online It has been suggested.

For example, in the case of a contract signed through an online medium, an electronic contracting service may be provided to the seller and the buyer through the ASP / SaaS Service Portal server.

On the other hand, in order to conclude such an electronic contract, the security of personal authentication is required to be strengthened, and a method of authenticating the counter party in the electronic contract between the parties is required.

Accordingly, Korean Patent No. 1385429 (registered on Apr. 8, 2014) discloses a technique related to "a personal authentication method of an electronic contract using NFC, a certificate and a terminal for carrying out the method.

The first terminal transmits the first authentication data and the second authentication data to the first terminal and the second terminal, respectively. The first terminal encrypts the first authentication data with the first hardware key to generate the first authentication data and the second authentication data, Receiving first encrypted data and second encrypted data generated by encrypting the second authentication data with a second hardware key in the second terminal; registering the first encrypted data and the second encrypted data; , Authenticating the second terminal via the first terminal using Near Field Communication (NFC), and authenticating the first terminal via the second terminal using NFC This paper proposes a personal authentication method for electronic contracts.

The authentication server transmits the first authentication data and the second authentication data to the first terminal and the second terminal, respectively, and transmits the first encrypted data and the second encrypted data from the first terminal and the second terminal, respectively, And a second terminal for authenticating the second terminal by comparing the second decryption data received from the second terminal with the second authentication data via the first terminal, A personal authentication unit for comparing the first decryption data received from the first terminal with the first authentication data to authenticate the first terminal and a communication unit capable of short-range wireless communication with the first terminal and the second terminal, Wherein the first encryption data is generated by encrypting the first authentication data with a first hardware key in the first terminal, And the second encryption data is constituted to encrypt and generate the second authentication data with the second hardware key inside the second terminal.

Meanwhile, a personal authentication terminal for this purpose includes a personal authentication request unit for requesting an authentication server for first authentication data for authentication and second encryption data for authentication of another terminal, which is a counterpart of the electronic contract, An encrypting and decrypting unit for encrypting the first authentication data provided from the server to generate first encrypted data and for decrypting the first encrypted data to generate first decrypted data; And transmits the second encrypted data to the other terminal by using the NFC, and the second encrypted data is decrypted by the other terminal And a communication unit for transmitting the second decryption data to the authentication server, wherein the encryption / And a unique hardware key that is not exposed to the outside, and is configured to encrypt the first authentication data or to decrypt the first encrypted data using the hardware key.

However, although the above-described conventional techniques can enhance the security of individual authentication, there is a problem that each party who performs the contract act must face directly at the same place and time. In other words, there is a problem that the contracting party of the remote place can not overcome the limitation of the contracting method because the contracting can not be concluded without limit of time, and the time and cost for contracting are wasted.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a mobile communication terminal, in which both parties of a contract at a remote place can subscribe, The present invention provides a mobile electronic contract method using voice to enable contracts to be concluded promptly and conveniently by managing agreement information and subscribers' and consent information for proof of such contracts.

In addition, the present invention provides a mobile electronic contract method using a voice, which can establish a contract reliably and conveniently by managing security contracts, agreement information, and information and storage information of subscribers and consentees in an electronic contract server, .

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided a mobile electronic contract method using voice, comprising: a subscriber mobile (10) for transmitting contents of a contract to voice data of a subscriber for establishing a certain contract; (20) of a consentee who communicates with the consenting mobile (20) to communicate a consensus of acceptance for establishing a contract as voice data, and information on a contract between the subscriber mobile (10) and consenting mobile (20) The electronic contract method according to claim 1, wherein the electronic contract server (30) stores electronic contracts (30), wherein contract contents previously agreed with the subscriber's voice are stored as voice data in the subscriber mobile (10) And a subscriber's mobile terminal (10), the subscriber's mobile terminal (10) The server 30 requests authentication of the communication company 50 to determine whether the subscriber and the consent of the subscriber are true or not and whether the subscriber mobile and consent mobile are true or not. If there is no defect, encrypts and stores the voice data of the contract content through the subscription key transmitted from the subscriber mobile 10, and transmits the voice data of the subscription content to the consent mobile 20 A contents transfer step, a voice data of the contract content transmitted is decrypted through the session key and output through the consent mobile 20, a voice for accepting the voice is inputted through the consent mobile 20 and stored The electronic contract server 30 receives the voice data of the acceptance, confirms the authenticity of the consenting mobile through the corresponding communication company 50, 20) is encrypted by using the consent key transmitted from the consentee mobile (20), and when the contents of the contract are all stored, (10) and the consenting mobile (20) to notify the acceptance of the contract and notifying the consenting mobile (20) of the acceptance of the electronic contract Upon receipt of the request to browse the contents of the contract stored in the server 30, the subscriber's mobile 10 decrypts the subscription data through the stored subscription key to provide browsing data, decrypts the subscription data through the stored consent key to the recipient's mobile 20, A browsing information recording step of storing browsing information related to the provision of the browsing data; and a browsing information recording step of, after the contracting informing step, And a contract termination step of deleting the content of the contract by receiving both the subscription key of the subscriber mobile (10) and the consent key of the consentee mobile (20) and notifying the termination of the contract, The contract server 30 can store the contract content in the storage device 40 and delete it only when the subscriber deletion key via the subscriber mobile and the consent deletion key via the consent mobile are authenticated, 10 or the consent key of the consent of the mobile 20, the information of the agreement contents is recorded.

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As described above, according to the present invention, the subscriber provides the voice data for each article and each item constituting the contents of the contract through the subscriber mobile, and the consenting person who accepts the agreement provides the agreement And establishing and verifying the establishment of such a contract in the electronic contract server, thereby making it possible to quickly and easily establish a contract between the subscriber and the consignee at the remote place. Accordingly, it is possible to conclude a contract on a transaction conveniently, thereby enabling more active transactions to be performed quickly and efficiently.

1 is a schematic configuration diagram of a mobile electronic contract system using voice according to an embodiment of the present invention;
FIG. 2 is a schematic configuration diagram of a subscriber mobile in a mobile electronic contract system using voice according to an embodiment of the present invention; FIG.
FIG. 3 is a schematic configuration diagram of an acceptee mobile in a mobile electronic contract system using voice according to an embodiment of the present invention; FIG.
FIG. 4 is a schematic configuration diagram of an electronic contract server in a mobile electronic contract system using voice according to an embodiment of the present invention; FIG.
5 is a flowchart of a mobile electronic contracting method using voice according to an embodiment of the present invention.

Hereinafter, a mobile electronic contracting method using voice according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a mobile electronic contract system using voice according to an embodiment of the present invention. FIG. 2 is a schematic configuration of a subscriber mobile in a mobile electronic contract system using voice according to an embodiment of the present invention. FIG. 3 is a schematic block diagram of a consenting mobile in a mobile electronic contract system using voice according to an embodiment of the present invention. FIG. 4 is a schematic diagram of a mobile electronic contracting system using speech according to an embodiment of the present invention. FIG. 2 is a schematic configuration diagram of an electronic contract server in FIG.

5 is a flowchart of a mobile electronic contracting method using voice according to an embodiment of the present invention.

In the drawings, the same reference numerals are given to the same elements even when they are shown in different drawings. In the drawings, the same reference numerals as used in the accompanying drawings are used to designate the same or similar elements. And detailed description of the configuration will be omitted. Also, directional terms such as "top", "bottom", "front", "back", "front", "forward", "rear", etc. are used in connection with the orientation of the disclosed drawing (s). Since the elements of the embodiments of the present invention can be positioned in various orientations, the directional terminology is used for illustrative purposes, not limitation.

1 to 4, a mobile electronic contract system using voice according to a preferred embodiment of the present invention includes a subscriber mobile 10 of a subscriber for establishing a certain contract, (20) for communicating with the consenting mobile (20) of the consent of the consent of the consent of the consent of the consent of the consenting mobile (20) An electronic contract server 30 for managing and storing information on settlement of agreement contents, and a communication company 50 for providing authenticated personal authentication information of the subscriber and consentee.

The electronic contract server 30 may further include a storage device 40 for storing information on the agreed agreement.

In the electronic contract system using the mobile device according to the present invention, the subscriber provides the voice data for each article and each item constituting the content of the contract through the subscriber's mobile, And establishing a contract, and establishing and certifying the establishment of such a contract in the electronic contract server, thereby making it possible to quickly and easily establish a contract between the subscriber and the acceptor at the remote place.

As shown in FIGS. 1 and 2, the subscriber's mobile 10 includes a subscriber information request unit 16 for requesting the communication company 50 to authenticate the subscriber who is a party to the contract, , A contract content subscription part (17) for subscribing a contract by storing the agreed contract content in the voice of the subscriber himself and an agreement for storing the subscriber 's authentication information, storage password information and browsing information of the contract content An information storage unit 18, and a subscriber communication unit 11 for communicating with a mobile device at a remote place.

The subscriber communication unit 11 omits a detailed technical configuration in the communication configuration of a typical mobile device. However, the present invention can be applied to the present invention as long as it can communicate with other mobile devices at a remote place through a communication company.

The subscriber information request unit 16, the contract subscription unit 17, and the subscription information storage unit 18 may be physically different processors. However, the subscribers information application unit 15, have.

The subscriber application 15 that can be installed in the subscriber's mobile 10 is a subscriber who is a party to the contract to establish a contract with the subscriber who is a party to the contract in advance with respect to a contract beforehand, As a means of expressing a will to establish a contract. Therefore, although contents and phrases of an application can be variously changed according to the type and contents of a contract, the present invention will be described by taking a general contract as a sample.

As shown in FIGS. 1 and 3, the consent's mobile 20 includes an acceptance information requesting unit (not shown) for requesting the communication company 50 to authenticate the consent of the contracting party 26), a contract content acceptance unit (27) for transferring agreement contents previously agreed upon by the subscribers' own voices and transmitting a consent indication of acceptance, and a contract content acceptance unit (27) And an acceptor communication unit 21 for communicating with a mobile at a remote location.

The acceptor communication unit 21 is similar to or similar to the subscriber communication unit 11, and thus does not have a detailed technical configuration in a communication configuration of a typical mobile device.

The acceptance information request unit 26, the contract content acceptance unit 27 and the acceptance information storage unit 28 may be physically different processors, Can be configured.

The consentee application 25 that can be installed in the consentee mobile 20 is for the consent of the contracting party to establish a contract and agrees with the subscriber who is a party to the contract in advance with respect to a contract, Finally, it serves as a means of expressing a will to establish a contract. Accordingly, the format and contents of the application can be variously changed according to the type and content of the contract.

Meanwhile, the subscriber application 15 and the consent application 25 can be manufactured as one application. However, it may be specified by the parties to the contract or by agreement with the contract, and may be operated as a subscribing party or consent of the designated party.

The electronic contract server 30 is for providing information for establishing a contract between the subscriber mobile 10 and the consent mobile 20 and providing a proof for establishing the contract, Lt; / RTI >

To this end, the electronic contract server 30 includes a contractor information storage unit 31 for storing information on subscribers and subscribers who are parties to the contract, mobile and consent partners and consent mobiles, And a contract information storage unit 33 for storing the storage information, the authentication information, and the browsing information stored in the contract content.

Here, it is preferable that the contract content is stored in a separate storage device 40, and the stored contract content is encrypted and can not be deleted. However, the subscriber deletion key via the subscriber mobile and authentication Can be deleted only when it becomes. Also, the browsing of the agreement contents through the subscriber's mobile 10 or the consent's mobile 20 is decrypted through the subscription key transmitted from the subscriber's mobile 10 or the consent key transmitted from the consent's mobile 20 And this reading is recorded.

The voice data of the subscriber mobile 10, the consent mobile 20 and the electronic contract server 30 may be converted into character data by using a speech recognition function (speech to text). Accordingly, the party of the contract can browse the contents of the contract in the form of voice or document, and the electronic contract server can archive the contents of the contract in voice or document form. In other words, when the content of the contract is stored as voice data, the voice data is stored in the form of a document through the voice recognition function. When the contract is stored as text data, the voice data can be stored in a voice form through a text to speech function.

The electronic contract method using the mobile device according to the present invention configured as above will be described with reference to FIGS. 1 to 5. FIG.

First, the subscriber application 15 according to the present invention is installed in the subscriber mobile 10, and the subscriber application 25 is installed in the subscriber mobile 20.

The subscribers and consenting parties to establish a contract through the subscriber mobile 10 and the consent mobile 20 are in agreement with each other in advance and are required to be finally approved for the establishment of such a contract. That is, when the contract is approved, the contract is established.

To this end, the subscriber transmits the contents of the contract to the consenting mobile 20 via the subscriber's mobile 10 by voice.

In other words, the subscriber stores the content of the agreement, which has been agreed in advance, in the subscription portion 17 of the subscriber mobile 10 as the subscriber's voice (S10).

At this time, the contract subscription unit 17 may store the contents of the contract by each clause, each clause or each call.

Further, the subscriber can confirm whether the agreement content stored in the contract content subscription part 17 of the subscriber mobile 10 is correctly recorded, and correct and store it.

Then, the consent of the contract is specified (S20). The designation of such consent may include the name or the name of consent, resident registration number or corporation registration number, and address of resident registration, and the consignee's mobile number for the electronic contract is essentially entered and designated consent.

When the contract content and the acceptance of the consent are completed and the preparation for subscription is completed through the above process, the subscriber information request unit 16 of the subscriber mobile 10 requests the electronic contract server 30 to request and authenticate the contractor information (S30).

In other words, the subscriber information requesting unit 16 requests the subscriber's mobile terminal 10 via the electronic contract server 30 to notify the subscriber's mobile of the mobile subscriber's mobile via the subscriber's mobile 10, And judges whether the subscriber and the subscriber mobile 10 are authentic. Further, the electronic contract server 30 judges whether or not the contractor 50 designates the consent of the acceptor based on the information of the consent of the subscriber through designation of the consent.

As described above, whether the subscriber and the consent are the same or not and whether the subscriber mobile and consentee mobile are true or not is judged. When a defect occurs, the contract is suspended and the cause of the defect is transmitted to the subscriber mobile.

Then, when the defect is eliminated, the electronic contract server 30 receives the voice data of the contract content through the contract content subscription unit 17 of the subscriber mobile 10 and stores the subscription content Quot;

At this time, the electronic contract server 30 encrypts the voice data of the contract content through the subscription key transmitted from the subscriber's mobile 10, stores the encrypted voice data in the contract content storage unit 32, To the mobile 20 (S40).

The consenting mobile 20 decrypts the voice data of the contract content transmitted through the contract content accepting unit 27 through the session key.

Then, the consentee listens to the voice data of the contract contents, receives the voice for accepting the voice data through the consentee mobile 20, stores the voice data, and transmits the consent voice data to the electronic contract server 30 (S50 ).

The electronic contract server 30 which has received the acceptance voice data via the consenting mobile 20 confirms the authenticity of the consenting mobile via the communication company 50 and encrypts the voice data of the subscription and acceptance, And stores it in the content storage unit 32. [ Here, the voice data of the consent of the consonant mobile 20 is encrypted using the consent key, and the encrypted consent voice data is stored in the contract content storage unit 32 (S60).

When the contents of the contract and the information of the contract are all stored, the contracting mobile 10 and the consenting mobile 20 are notified of the establishment of the contract to complete the establishment of the contract (S70).

The contract is established as described above and the subscriber or consent can read the contents of the contract stored in the electronic contract server 30 via the subscriber's mobile 10 or the consent's mobile 20. [ At this time, the subscriber can decrypt and browse through the subscription key stored in the subscriber's mobile 10, and the subscriber can decrypt and browse through the consent key stored in the consent's mobile 20. [ The browsing history is stored in the electronic contract server 30 as browsing information and managed.

On the other hand, if the established contract is redeemed or completed, the subscription key of the subscriber's mobile 10 and the consent key of the consent's mobile 20 are all received, and the contents of the contract can be deleted, .

As described above, according to the present invention, the electronic contract server manages the agreement contents, the information of the subscribers and the consentees, and the storage information to provide security and evidence, thereby establishing a contract between the two parties at a remote location .

In addition, as described above, the contract can be established by storing the contents of the contract in the form of voice or document, thereby enhancing the convenience. In other words, when the contents of the contract are stored as voice data in accordance with the intention of the contract parties, the voice data is stored in the form of a document through the voice recognition function. When the contract data is stored as text data, The convenience of the contract can be further increased.

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention if they are apparent to those skilled in the art.

10: Subscriber Mobile 11: Subscriber Communication Department
15: Subscriber application 16: Subscriber information request section
17: Contract content subscription part 18: Subscription information storage part
20: consent mobile 21: consent communication department
25: Applicant application 26:
27: Contract content acceptance unit 28: Acceptance information storage unit
30: Electronic contract server 31: Subscriber and consent information storage unit
32: Contract content storage unit 33: Contract information storage unit
40: storage device 50:

Claims (8)

delete delete delete delete delete A subscriber mobile (10) for transferring the content of the contract to the subscriber's voice data for establishing a certain contract, and an acceptance server for communicating with the subscriber mobile (10) to transmit a statement of acceptance for establishing a contract as voice data A method for electronic contract through an electronic contract server (30) for managing and storing information on an agreement between a consentee mobile (20) and a contract between the subscriber mobile (10) and the consent mobile (20)
A consignee designation step of storing contract contents in the subscriber's mobile (10) as voice data, the contents of a contract previously agreed upon by the subscriber's voice, and designating a consentee mobile number of the consentee;
The electronic contract server 30 having received the information of the subscriber's identity and the designated consent's mobile number through the subscriber's mobile 10 requests the corresponding communication company 50 to authenticate the subscriber and the consentee's identity The subscriber's mobile and the consentee mobile are authenticated. If a fault occurs, the subscriber's mobile is notified of the suspension of the contract with the subscriber's mobile. If there is no defect, And storing the subscription contents and transferring the contract contents to the subscription mobile 20,
Decrypts the voice data of the contracted contents through the session key, outputs the decoded voice data through the consent mobile 20, receives the voice for accepting the voice data through the consent mobile 20 and stores the voice data From the electronic contract server 30, confirms the authenticity of the consenting mobile via the corresponding communication company 50, and the consenting voice data via the consenting mobile 20 is received from the consenting mobile 20 A contract content storing step of encrypting and storing the received agreement key using the received consent key,
A contract establishment notification step of notifying the subscriber's mobile 10 and the consent's mobile 20 of establishment of a contract and notifying establishment of a contract when all the contents of the contract are stored,
If the subscriber's mobile 10 receives a request for viewing the contract content stored in the electronic contract server 30 via the subscriber's mobile 10 or the consent's mobile 20 after the contract approval notification step, A browse information recording step of providing browse data by decrypting the browse data by decrypting it through the stored consent key to the consentee mobile 20 and storing browse information about the provision of the browse data,
If the established contract is redeemed or completed and the contract is terminated after the contract establishment notification step, the subscription key of the subscriber mobile 10 and the consent key of the consent mobile 20 are both received and the contract is deleted And a contract termination notification step of notifying the termination of the contract,
The electronic contract server 30 can store the contract content in the storage device 40 and can delete it only when the subscriber deletion key via the subscriber mobile and the consent deletion key via the consent mobile are authenticated, And records the browse information of the contract content through the subscription key of the mobile (10) or the consent key of the consentee mobile (20). delete delete
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