KR101332607B1 - System and method of forwarding # mail and verifying the forwarded mail in official mailing system - Google Patents

Abstract

The present invention relates to a system and method for forwarding a shop (#) mail in a certified electronic address-based electronic document distribution system and validating the received shop (#) mail. The system of the present invention comprises a sender client for requesting a shop mail transmission by transmitting a message body and an attached document together with a corresponding hash value; A transmission distribution messaging server generating transmission information in response to a request of the sender client, requesting storage in a shop mail history management server, packing a document to be transmitted, and sending a distribution message; A forwarder client requesting transmission by attaching a received delivery document and an acknowledgment; When the distribution message is received from the sending distribution messaging server, a delivery receipt is generated and responded to the sender side, and forwarded to the sender client, and a distribution message is generated and transmitted to the receiver side at the request of the sender client. server; A receiving distribution messaging server for delivering a message of the received shop mail and an attached document to a recipient client; Receiving a message and an attached document, the recipient client to send a receipt to the shop mail history management server to request delivery validation; And a store mail history management server for storing the transmission information and receiving the delivery validity confirmation from the receiver, comparing the recipient's acknowledgment with the sender's transmission information and confirming the delivery validity.

Description

System and method for validating shop mail delivered and authorized by e-mail based electronic document distribution system {SYSTEM AND METHOD OF FORWARDING # MAIL AND VERIFYING THE FORWARDED MAIL IN OFFICIAL MAILING SYSTEM}

The present invention relates to an electronic document distribution technology based on a certified electronic address, and more particularly, forwarding a shop (#) mail in a certified electronic address based electronic document distribution system, and validating the received shop (#) mail. A system and method for testing are provided.

With the development of electronic communication technology, document distribution is changing rapidly from the existing paper documents to the electronic document distribution method. Until recently, the most widely used electronic document distribution method is a general e-mail, and is widely used in many fields such as personal processing, personal processing, and system-to-system automation with the spread of the Internet.

However, the conventional e-mail (# -mail) is an authorized document distribution method that replaces the ordinary e-mail because of limitations in public distribution due to the problem of flooding spam and problems of stability and reliability. ) Has emerged.

1 is a schematic diagram showing a general electronic document distribution system.

The electronic document distribution system for the distribution of public standard electronic documents, as shown in FIG. 1, establishes an electronic document distribution hub 20 that can be managed in a country, as well as a distribution messaging server in each company, a public institution, or a message distribution center. (10) to distribute electronic documents through a distribution client application (30) between companies, institutions and individuals.

Here, the public electronic address is information consisting of letters, numbers, etc. to identify a person who sends or receives an electronic document, and means an officially registered address. Personally unique name. Attribute.kr ". As such, the mailing system based on the authorized electronic address is called a shop mail (# -mail) because it uses "#" instead of the conventional "@" as a separator, and thus "@" as a separator as in the prior art. The system using is called e-mail.

Referring to FIG. 1, the electronic document distribution hub 20 includes an address directory server 21, a distribution relay server 22, an electronic document form register 23, a distribution certificate issuing server 24, and each company. A corporate user is connected to the distribution messaging server 10 of the distribution system, and a user of an individual or a small business is connected to the distribution messaging server 10 of the message distribution center to distribute an electronic document according to a #mail addressing system based on P2P communication. It is supposed to be. The distribution client application 30 is an application that provides a UI for sending and receiving documents and viewing and managing documents for users participating in the document distribution. The distribution client application 30 may not transmit and receive documents independently and is necessarily a distribution messaging server system 10. Should be linked to The electronic document relay server 22 is a system that attempts to transmit a document on behalf of the sender when the sender attempts to distribute the document to the receiver. The electronic document relay server 22 is a third authority that can prove the sender's transmission effort. When the transmission agent is requested to prove the effort, the transmission certificate is issued to the sender. The distribution certificate issuing server 24 receives and stores the contents of the distribution fact (distribution confirmation) through the relay system in order to secure the legal basis for the distribution of electronic documents between companies, institutions, and individuals. When issuing a certificate.

[Prior Art]

1. Patent Registration Publication 10-1223674 (Notification date 2013. 01. 22)

2. Patent Registration Publication 10-1288585 (Notification date 2013. 07. 22)

The electronic document distribution system based on the authorized electronic address can be provided with reliability by proving that the document is correctly transmitted and received between the sender and receiver. When forwarding the received message (electronic document) to a third party, the original sender There is a problem that can not be proved that the sent message body and attached documents are correctly and accurately delivered. That is, the # mail delivery method currently provided by the #mail service portal, etc. uses a method similar to an e-mail that uses the body message as the delivery body with "FW:" attached to the subject, so that the forwarder can modify it. Even if it is delivered as it is, it does not provide a way to confirm it.

In addition, if the original sender encrypts and transmits the message, the recipient may need to decrypt it and forward it, so that the process can be tampered with. There is a problem that the receiver cannot confirm that it was delivered.

The present invention has been proposed to solve the above problems, an object of the present invention is to provide a system and method for delivering the # mail in the electronic mail distribution system based on the authorized electronic address, and to validate the received # mail will be.

In order to achieve the above object, the system of the present invention, the sender client for transmitting the message body and the attached document with the corresponding hash value to request the shop mail transmission; A transmission distribution messaging server generating transmission information in response to a request of the sender client, requesting storage in a shop mail history management server, packing a document to be transmitted, and sending a distribution message; A forwarder client requesting transmission by attaching a received delivery document and an acknowledgment; When the distribution message is received from the sending distribution messaging server, a delivery receipt is generated and responded to the sender side, and forwarded to the sender client, and a distribution message is generated and transmitted to the receiver side at the request of the sender client. server; A receiving distribution messaging server for delivering a message of the received shop mail and an attached document to a recipient client; Receiving a message and an attached document, the recipient client to send a receipt to the shop mail history management server to request delivery validation; And a store mail history management server storing the transmission information and receiving the delivery validity confirmation from the receiver, comparing the recipient's acknowledgment with the sender's transmission information and confirming the delivery validity.

In addition, the method of the present invention to achieve the above object, the first step in the shop mail history management system registers the transmission information to the shop mail history management server at the request of the sender client; A second step of transmitting, by the sender client, the shop mail transmitted by the sender client to the sender client according to the authorized electronic document distribution system; A third step of when the forwarder client receives the shop mail, the forwarder distribution messaging server generates an acknowledgment and packs it into a document to be forwarded to the recipient client; A fourth step of the receiver client receiving the shop mail through the receiver distribution messaging server; And a fifth step of, if the receiver client requests validation while transmitting an acknowledgment, the shop mail history management server compares the acknowledgment with the corresponding transmission information and verifies the validity.

According to the present invention, when a sender sends a message and attachments to a receiver through a sender in an authorized electronic document distribution system, a validity check is performed to check whether the received electronic document is the same as the electronic document sent by the sender. It can be carried out, and there is an advantage in that the original message sent by the sender and the attached document can be accurately identified in the omission, change, etc. during distribution.

In addition, according to the present invention, the forwarder may integrate and transmit the attachments transmitted by a plurality of senders, the effect of verifying the electronic document distribution process at each step when storing not only the transmission information, but also the delivery information, received information, etc. There is also.

1 is a schematic diagram showing the overall configuration of a general electronic document distribution system;
Figure 2 is a schematic diagram showing the concept of delivering a shop mail to confirm the validity according to the present invention,
3 is a flowchart illustrating a procedure for transmitting a shop mail according to the present invention;
4 is a flowchart illustrating a procedure for validating a shop mail delivered according to the present invention;
5 is an example of a first screen for validating an electronic document received according to the present invention;
6 is an example of a second screen for validating an electronic document received according to the present invention;
7 is an example of a screen for verifying the validity of the distribution message received according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

2 is a schematic diagram illustrating a concept of delivering a shop mail to confirm validity according to the present invention. According to the present invention, a method of transmitting or receiving a message (electronic document) is basically performed through a distribution message server according to an authorized electronic document distribution system (shop mail).

In order to deliver the shop mail according to the present invention, as shown in FIG. 2, there is a sender 50, a forwarder 60, and a receiver 70, and a shop mail history management system 40 for verifying delivery is added. do. Since the forwarder 60 can integrate and transmit the electronic documents transmitted by the plurality of senders 50, the sender can be a plurality (sender 1 to sender n), and at least one or more senders 60 (deliver 1 to 1). It can be a forwarder n), and the electronic document (message and attachment) sent by the sender 50 is finally transmitted to the receiver 70 via the forwarder 60. The sender 50, the forwarder 60, and the receiver 70, as a shop mail client, transmit shop mail through respective distribution messaging servers (52, 62, 72 in FIG. 3), and send and send information of the shop mail. And the received information may be stored in the shop mail history management system 40. The receiver 70 may check the validity of the received information received from the shop mail history management system 40.

Referring to FIG. 2, the shop (#) mail history management system 40 stores and manages # mail transmission / reception information and delivery information, and provides a method for the receiver 70 to check the validity of the received document. . When storing # mail transmission / reception information and delivery information, the digital signature should be stored in the mail history management system 40 after the digital signature is performed through the distribution messaging server of the corresponding sender / receiver and the forwarder to prevent repudiation. The validity checking method performed by the #mail history management system 40 compares the transmission information registered by the sender 50 with the validation information (receipt confirmation) sent by the receiver 70. The #mail history management system 40 may be located in a system used by the sender (distribution messaging server or #mail service portal) or in a trusted external authority.

As the client, the sender 50 registers the transmission information in the #mail history management system 40 when the document to be transmitted by the sender 50 needs to be delivered. In order to transmit the transmission information to the #mail history management system 40, it must be transmitted through the distribution messaging server 52 used by the sender 50. In addition, information about the #mail history management system 40 which can confirm the transmission information for the recipient who is received in the body message may be selectively input. The transmission information to be registered in the #mail history management system 40 may be configured as shown in Table 1 below.

Information name Information Description Sender's authorized electronic address Authorized electronic address of the sender of the distribution message Recipient's Authorized Electronic Address Authorized electronic address of recipient receiving distribution message Distribution identification value Unique identification value of the distribution message subject to the receipt of the receipt as an identification value of the distribution message. title Title of Distribution Message Document Information Repeated depending on the number of documents Document 1 Name of document Name of the text or individual attachments attached to the distribution message Document hash value Hash value for the original body or attachment original before encryption is performed Digital signature value The digital signature subject is the sender's distribution messaging server. The digital signature method is to close the sender's authorized electronic address, recipient's authorized electronic address, distribution identification value, title, and document information, and then register the digital signature with the distribution messaging server certificate registered with the authorized electronic address server. box

In addition, in FIG. 2, the forwarder 60 transmits a message body or an attached document to be delivered as a client and an acknowledgment for validity attachment to the receiver. If the message body and the attached document are encrypted, it should be decrypted and attached as an attached document. Afterwards, the security of the message transmission follows the specification of the electronic document distribution system based on the authorized electronic address. In addition, the forwarder 60 may optionally store the delivery information in the #mail history management system 40. The delivery information may be configured as shown in Table 2 below.

Information name Information Description Forwarder's Authorized Electronic Address Authorized electronic address of forwarder delivering distribution message Recipient's Authorized Electronic Address Authorized electronic address of recipient to receive distribution message Delivery time Time to deliver distribution message Delivery information Information to forward (repeats depending on the number of messages to deliver) Distribution confirmation Acknowledgment to Deliver Document Information Repeat based on the number of attachments to forward Name of document Name of the text or individual attachments attached to the distribution message to be delivered Document hash value Hash value that decrypted the document if it was received encrypted Digital signature value The digital signature subject is the distributor's distribution messaging server. The digital signature method is the distributor's authorized electronic address, recipient's authorized electronic address, delivery time, delivery information, and document information. box

And the sender 60 may store its transmission information in the # mail history management system 40 from the sender's point of view, if the document to be delivered needs to be delivered to a third party. At this time, the transmission information and transmission information storage is not essential and may be selectively applied by the forwarder.

The receiver 70 may confirm that the message received through the #mail history management system 40 with the information of the received attached documents is valid. At this time, the information on the # history management system 40 for the validation can be recognized by the recipient through the received body message or other path, for example, contact the sender. Validation information requested to the #mail history management system 40 may be configured as shown in Table 3.

Information name Information Description Distribution confirmation Received Receipt Document Information Repeat based on the number of texts or attachments received 1
Name of document Name of the body or individual attachments attached to the distribution message received Document hash value Hash value that decrypted the document if it was received encrypted

In addition, the receiver 70 may selectively store the history received by the client as a client in the #mail history management system 40, and the sender 50 may later check who the document sent by him is delivered to. Receiving information storage is not essential and can be selectively applied by the recipient, the example of the received information stored in the # mail history management system 40 is shown in Table 4 below.

Information name Information Description Forwarder's Authorized Electronic Address Authorized electronic address of the forwarder who delivered the distribution message Recipient's Authorized Electronic Address Authorized electronic address of the recipient of the distribution message Reception time Time of receiving distribution message Distribution confirmation Received Receipt Document Information Repeat based on the number of documents received Document 1
Name of document Name of the body or individual attachments attached to the distribution message received Document hash value Hash value that decrypted the document if it was received encrypted Digital signature value The subject of the digital signature is the recipient's distribution messaging server.The method of digital signature is the distribution messaging server certificate registered with the authorized electronic address server after the sender's official electronic address, recipient's authorized electronic address, receipt time, distribution certificate, and document information are adjacent. box

3 is a flowchart illustrating a procedure for transmitting a shop mail according to the present invention.

In the method for delivering shop mail according to the present invention, as shown in FIG. 3, the sender client delivers the message body and the attached document and the corresponding hash value to the sender distribution messaging server 52, and the sender distribution messaging server 52. Requests the store mail history management system 40 to store the transmission information (S1, S2).

The shop mail history management system 40 processes the digital signature verification and registration, and responds to the sender distribution messaging server 52 (S3, S4).

The sender distribution messaging server 52 packages and secures the electronic document to be transmitted, and then transmits the distribution message to the sender distribution messaging server 62 (S5, S6).

When the forwarder distribution messaging server 62 receives the shop mail, it generates an acknowledgment and responds to the sender messaging server 52 side (S7, S8).

The forwarder client attaches the decrypted document and the acknowledgment to be forwarded and sends it to the forwarder distribution messaging server 62. The forwarder messaging server 62 packages and secures the documents to be forwarded and sends the distribution message to the recipient distribution messaging server 72. send. At this time, the forwarder distribution messaging server 62 may request the store mail history management system 40 to store the delivery information. The recipient distribution messaging server 72 transmits the acknowledgment response to the delivery distributor distribution messaging server 62 side, so that the recipient client can receive the document (S9 to S13).

The recipient client decrypts the document and requests the shop mail history management system 40 to store the received information, and requests the shop mail history management system 40 to confirm the delivery validity. Accordingly, the shop mail history management system 40 checks the delivery validity, and responds to the recipient client with the result of the delivery validity processing (S14 to S19).

As such, the sender 50 stores the transmission information in the #mail history management system 40 before transmitting the distribution message, and then transmits the document delivery process as defined in the authorized electronic address based electronic document distribution system standard. In order to deliver the received document, the forwarders must attach an acknowledgment generated between the sender and the first sender together and deliver it to the forwarder or receiver. In this case, when the documents to be delivered are collected and delivered together, the acknowledgments are also attached and delivered together. The recipient compares the received acknowledgment (s) and the received document hash value (s) through the #mail history management system 40 to confirm which of the message body and the attached document are missing and which is delivered as is.

4 is a flowchart illustrating a procedure of validating a shop mail delivered according to the present invention, FIG. 5 is an example of a first screen for validating a distribution message received according to the present invention, and FIG. FIG. 7 is an example of a second screen for validating a distribution message received according to the present invention, and FIG. 7 is an example of a result screen for validating the distribution message received according to the present invention.

Referring to FIG. 4, the receiver 50 requests validation to the shop mail history management system 40 through the validation request screen as shown in FIG. 5. Referring to Figure 5, the validation request screen "In order to verify the validity of the distribution message received, please upload the received receipt first, click the next step", and click "Next" shown in Figure 6 As shown, "Please check the attached document name, extract the hash value for the document, and click the Validate button."

Thereafter, upon receiving the validation request, the shop mail history management system 40 verifies the distribution confirmation format, verifies the distribution confirmation electronic signature and the signing certificate, and performs a receipt verification verification procedure (S171, S172).

Subsequently, the sender authorized electronic address, the recipient authorized electronic address, distribution identification value, title, message body, and attached document name are extracted from the acknowledgment information, and the body and attached document hash values are extracted from the validation information (S173, S174).

If it matches with the transmission information DB, it is determined that the validation is successful, and if it is not, the validation is failed and the inspection result as shown in FIG. 7 is transmitted to the receiver (S175 to S178). Referring to FIG. 7, on the inspection result screen, the message “The sender ○○ sent the message to ○○ at 00:00:00. The y result of the total x documents was delivered.” Provide details. As described above, the validity checking process performed by the #mail history management system 40 compares the transmission information DB registered by the sender with the validation information (receipt confirmation) sent by the receiver.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

10: distribution messaging server 20: electronic document distribution hub
30: Distribution Client 40: Shop Mail History Management System
50: sender 52: sender distribution messaging server
60: Forwarder 62: Forwarder Distribution Messaging Server
70: recipient 72: recipient distribution messaging server

Claims (7)

delete delete delete delete A first step in which the shop mail history management system registers the transmission information in the shop mail history management server according to a request of the sender client;
A second step of transmitting, by the sender client, the shop mail transmitted by the sender client to the sender client according to the authorized electronic document distribution system;
A third step of when the forwarder client receives the shop mail, the forwarder distribution messaging server generates an acknowledgment and packs it into a document to be forwarded to the recipient client;
A fourth step of the receiver client receiving the shop mail through the receiver distribution messaging server; And
If the receiver client requests validation while sending an acknowledgment, the shop mail history management server includes a fifth step of validating by comparing the acknowledgment with the corresponding transmission information.
In the third step, the forwarder distribution messaging server generates delivery information and stores it in the shop mail history management server. In the fourth step, the recipient distribution messaging server generates reception information and stores the received information in the shop mail history management server.
In the third step,
When the forwarder distribution messaging server receives the shop mail to be delivered from a plurality of sender clients, the forwarder distribution messaging server collects the attachments of each sender client and transmits them together, and validates the delivered shop mail. Way.
The method according to claim 5, wherein the transmission information comprises a sender authorized electronic address, a recipient authorized electronic address, a distribution identification value, a title, a document name, a hash value, and an electronic signature value of each attached document.
The forwarding information is a forwarder authorized electronic address, a recipient authorized electronic address, a delivery time, a distribution certificate, a document name, a document hash value, and an electronic signature value.
The received information is a forwarder authorized electronic address, a recipient authorized electronic address, a reception time, a distribution certificate, a document name, a document hash value, and an electronic signature value, characterized in that the shop mail delivered and the validity check method of the delivered shop mail.
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