KR101882207B1 - Hospital security system that stores patient information on a blockchain basis - Google Patents

Hospital security system that stores patient information on a blockchain basis Download PDF

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KR101882207B1
KR101882207B1 KR1020180033593A KR20180033593A KR101882207B1 KR 101882207 B1 KR101882207 B1 KR 101882207B1 KR 1020180033593 A KR1020180033593 A KR 1020180033593A KR 20180033593 A KR20180033593 A KR 20180033593A KR 101882207 B1 KR101882207 B1 KR 101882207B1
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information
server
block
block chain
patient
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성승주
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주식회사 아이라이즈
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
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    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
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    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H04L2209/38—
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

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Abstract

A hospital security system for storing patient information on a blockchain basis according to various embodiments of the present invention includes a blockchain-based medical information management server in which electronic chart information of a patient is recorded in blockchain holding servers in the form of a blockchain; drug delivery information and payment information exchanged between a medical institution terminal/a medical institution server and a pharmaceutical company terminal/a pharmaceutical company server are recorded in the blockchain holding servers; an information management task including addition, transfer, and deletion of information recorded in the blockchain holding servers is performed; and the information management task is processed based on the approval of the blockchain holding servers. Accordingly, leakage of patient information and hacking can be prevented, thereby enhancing security.

Description

블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템{HOSPITAL SECURITY SYSTEM THAT STORES PATIENT INFORMATION ON A BLOCKCHAIN BASIS}TECHNICAL FIELD [0001] The present invention relates to a security system for storing patient information on the basis of a block chain. [0002] HOSPITAL SECURITY SYSTEM [0003]

본 발명은 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템에 관한 것이다.The present invention relates to a hospital security system for storing patient information on a block-chain basis.

최근, 개인정보 유출 및 해킹 공격 사례를 보면 내부 보안의 취약점을 이용한 내부자 공격(Insider Attack)으로 인한 피해가 증가하고 있다. 이에 따라, 서버에 저장된 정보가 외부로 유출 되거나, 외부의 침입에 의하여 서버에 저장된 데이터가 무단으로 변경 및 도용되는 것을 방지하기 위한 기술의 연구개발이 지속적으로 이루어지고 있다.Recent examples of personal information leakage and hacking attacks are increasingly being caused by insider attacks using vulnerabilities of internal security. Accordingly, research and development of techniques for preventing information stored in the server from being leaked to the outside or data stored in the server due to external intrusion are prevented from being changed and tampered with are constantly being researched.

한편, 개인의 진료 정보나 처방전과 같은 환자 정보는 프라이버시 보호 측면에서 절대 유출되어서는 안되는 중요한 정보이므로, 이에 대한 유출 및 해킹을 방지하는 보안 기술이 절실히 요구된다.On the other hand, since patient information such as personal medical information or prescription is important information that should never be leaked in terms of privacy protection, there is a desperate need for security technology to prevent leakage and hacking.

본 발명의 다양한 실시 예는 상기 문제점을 해결하기 위한 것으로, 블록체인 기반으로 환자 정보를 저장 및 관리함으로써, 환자 정보의 유출 및 해킹을 방지하여 보안성을 높인 병의원 보안 시스템을 제공하는데 목적이 있다.Various embodiments of the present invention have been made to solve the above-mentioned problems, and it is an object of the present invention to provide a security system for a hospital that stores and manages patient information on a block-chain basis to prevent leakage and hacking of patient information, thereby enhancing security.

본 발명의 다양한 실시예에 따른 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템은, 환자의 전자 차트 정보를 블록체인(block-chain) 형태인 블록체인 보유 서버들에 기록하고, 의료 기관 단말 또는 의료 기관 서버와 제약사 단말 또는 제약사 서버들이 상호 간에 주고받는 의약품 납품 정보 및 결제 정보를 상기 블록체인 보유 서버들에 기록하고, 상기 블록체인 보유 서버들에 기록된 정보들에 대한 추가, 이전, 및 삭제를 포함하는 정보 관리 업무를 수행하고, 상기 정보 관리 업무를 상기 블록체인 보유 서버들의 승인에 기반하여 처리하는 블록체인기반 의료정보 관리서버를 포함한다.A clinician security system for storing patient information on a block-chain basis according to various embodiments of the present invention records electronic chart information of a patient in block-chain holding servers in a block-chain form, Records drug delivery information and settlement information exchanged between a medical institution server, a pharmaceutical terminal or a pharmaceutical company server in the block chain holding servers, and adds, transfers, and deletes information recorded in the block chain holding servers And a block-chain-based medical information management server that processes the information management service based on the approval of the block-chain holding servers.

본 발명의 다양한 실시 예에 따른 병의원 보안 시스템으로는 블록체인 기반으로 환자 정보를 저장 및 관리함으로써, 환자 정보의 유출 및 해킹을 방지하여 보안성을 높일 수 있다.According to various embodiments of the present invention, the hospital information security system can store and manage patient information on a block-chain basis, thereby preventing leakage and hacking of patient information and enhancing security.

도 1은 본 발명의 블록체인을 기반으로 환자 정보를 저장하는 병의원 보안 시스템을 나타낸 블록도이다.
도 2는 병의원 단말을 구체적으로 나타낸 블록도이다.
도 3은 인증 정보 발급 서버를 구체적으로 나타낸 블록도이다.
도 4는 블록체인 기반 의료정보 관리서버를 구체적으로 나타낸 블록도이다.
도 5는 본 발명에 따라 블록체인 기반으로 환자 정보를 저장 및 관리하는 방법을 설명하기 위한 예시도이다.BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a hospital security system for storing patient information based on a block chain of the present invention.
2 is a block diagram specifically showing a clinic terminal.
3 is a block diagram specifically showing an authentication information issuing server.
4 is a block diagram specifically illustrating a block-chain-based medical information management server.
5 is an exemplary diagram illustrating a method for storing and managing patient information on a block-chain basis in accordance with the present invention.

전술한 목적, 특징 및 장점은 첨부된 도면을 참조하여 상세하게 후술되며, 이에 따라 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명의 기술적 사상을 용이하게 실시할 수 있을 것이다. 본 발명을 설명함에 있어서 본 발명과 관련된 공지 기술에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 상세한 설명을 생략한다. 이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.The above and other objects, features, and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings, which are not intended to limit the scope of the present invention. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 블록체인을 기반으로 환자 정보를 저장하는 병의원 보안 시스템을 나타낸 블록도이다. 도 2는 병의원 단말을 구체적으로 나타낸 블록도이다. 도 3은 인증 정보 발급 서버를 구체적으로 나타낸 블록도이다. 도 4는 블록체인 기반 의료정보 관리서버를 구체적으로 나타낸 블록도이다. 이하, 도 1 내지 도 4를 결부하여, 발명에 따라 블록체인 기반으로 환자 정보를 저장 및 관리하는 방법을 설명한다.BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a hospital security system for storing patient information based on a block chain of the present invention. 2 is a block diagram specifically showing a clinic terminal. 3 is a block diagram specifically showing an authentication information issuing server. 4 is a block diagram specifically illustrating a block-chain-based medical information management server. 1 to 4, a method for storing and managing patient information on a block-chain basis according to the present invention will be described.

본 발명의 블록체인을 기반으로 하는 환자 정보를 저장하는 병의원 보안 시스템(10)은, 크게 의료 기관 단말(100), 인증정보 발급 서버(200), 블록체인기반 의료정보 관리서버(300) 및 블록체인 보유 서버(400)를 포함한다.The clinic security system 10 for storing patient information based on the block chain of the present invention mainly includes a medical institution terminal 100, an authentication information issuing server 200, a block-chain-based medical information management server 300, And a chain holding server 400.

블록체인(block-chain)이라 함은, 알려진 바와 같이, 도 2에 도시한 바와 같이 네트워크 통신상에서 이루어지는 거래 내용을 안전하게 기록하고 저장하는 기술이다. 거래 내용은 각 블록에 기록되는데 이는 시간이 지남에 따라 체인을 형성하게 되고, 이러한 체인들은 P2P 네트워크 상에 분산 저장되어 블록체인 네트워크를 형성하게 된다. 블록체인이 처음으로 등장한 것은 비트코인이라는 전자화폐에 적용되면서부터다.The block-chain is a technology for securely recording and storing transaction contents, which is made on network communication as shown in FIG. 2, as is known. Transaction contents are recorded in each block, which forms a chain over time, and these chains are distributed and stored on the P2P network to form a block-chain network. The first appearance of the block chain is applied to electronic money called bit coin.

도 1 및 도 2를 참조하면, 의료 기관 단말(100)은 public key 및 private key를 생성하고, 생성된 키 중 public key와 블록체인기반 인증 정보 발급에 필요한 기관의 식별정보로 이루어진 블록체인기반 인증 정보 발급용 개인정보를 인증정보 발급 서버(200)로 전송하는 구성이다. 이를 위해, 의료 기관 단말(100)은 정보를 표시하는 표시부(101), 데이터나 응용프로그램 등이 저장되는 저장부(102), 키생성 엔진(110), 및 암복호화 엔진(120)을 포함한다. 블록체인기반 인증 정보 발급용 기관정보는, 기관 이름, 기관 등록 번호, 기관 전화번호, 기관 이메일 중 적어도 일부를 포함할 수 있다.1 and 2, the medical institution terminal 100 generates a public key and a private key, and generates a block chain-based authentication (authentication) based on a public key among the generated keys and identification information of an institution necessary for issuing block- And transmits the personal information for information issuance to the authentication information issuing server 200. [ To this end, the medical institution terminal 100 includes a display unit 101 for displaying information, a storage unit 102 for storing data and application programs, a key generation engine 110, and an encryption / decryption engine 120 . The authority information for issuing the block-chain-based authentication information may include at least a part of an institution name, an institution registration number, an institution telephone number, and an institution email.

키생성 엔진(110), 암복호화 엔진(120) 등은 의료 기관 단말기(100)가 컴퓨터(PC)와 같은 데스크탑 형식인 경우에는 응용프로그램 형태로 탑재되고, 의료 기관 단말이기(100)가 인터넷 접속이 가능한 스마트폰과 같은 모바일기기인 경우에는 모바일 전용앱 형태로 제공된다.The key generation engine 110 and the encryption and decryption engine 120 are installed in the form of an application program when the medical institution terminal 100 is a desktop type such as a PC, In the case of a mobile device such as a smartphone, the mobile device is provided as a mobile-specific application.

의료 기관 단말(100)은 public key 및 private key를 생성하기 전에 해당 의료 기관 단말(100)을 운영하는 사용자가 인증정보 발급 서버(200)에 기관의 식별정보를 등록하였는지 먼저 확인하는 과정을 수행한다.The medical institution terminal 100 performs a process of checking whether the user who operates the medical institution terminal 100 registers the identification information of the institution in the authentication information issuing server 200 before generating the public key and the private key .

의료 기관 단말(100)은, 블록체인기반 인증 정보 발급용 기관정보를 인증정보 발급 서버(200)로 전송하여 블록체인기반 인증 정보 발급을 요청한다.The medical institution terminal 100 transmits the block-chain-based authentication information issuing organization information to the authentication information issuing server 200 to request block chain-based authentication information issuing.

인증정보 발급 서버(200)는 전송되는 블록체인기반 인증 정보 발급용 기관정보를 계정별 기관 식별정보 DB(211)와 매칭하여 매칭되는 정보가 존재하면, public key 및 private key의 생성을 안내하는 키생성 안내신호를 생성하여 의료 기관 단말(100)로 전송한다. 인증정보 발급 서버(200)는 매칭되는 정보가 없으면, 인증 정보 발급이 불가함을 나타내는 메시지를 전송할 수 있다.The authentication information issuing server 200 matches the block-chain-based authentication information issuing institution information to be transmitted with the institution-specific institution identifying information DB 211, and if there is matching information, a key for guiding generation of a public key and a private key And transmits the generation guide signal to the medical institution terminal 100. If there is no matching information, the authentication information issuing server 200 can transmit a message indicating that authentication information issuing is not possible.

구체적으로, 인증정보 발급 서버(200)는 의료 기관 단말(100)로부터 인증 정보에 대한 발급 요청으로서 특정 기관의 식별정보를 획득하면 상기 특정 기관의 식별정보의 등록 여부를 확인한다. 인증정보 발급 서버(200)는 확인 결과 상기 특정 기관의 식별정보가 등록 상태이면, 상기 키생성 안내신호를 생성하여 의료 기관 단말(100)로 하여금 상기 특정 기관의 public key 및 private key를 생성하도록 지원한다. 여기서, 인증정보 발급 서버(200)가 특정 기관의 public key 및 private key를 생성을 지원하는 동작은 키생성 안내신호를 의료 기관 단말(100)로 전송함을 포함한다.Specifically, when the authentication information issuing server 200 obtains the identification information of the specific institution as the issuance request for the authentication information from the medical institution terminal 100, it confirms whether or not the identification information of the specific institution is registered. When the identification information of the specific institution is registered, the authentication information issuing server 200 generates the key generation guidance signal to support the medical institution terminal 100 to generate a public key and a private key of the specific institution do. Here, the operation in which the authentication information issuing server 200 supports the generation of the public key and the private key of the specific institution includes transmitting the key generation guide signal to the medical institution terminal 100.

의료 기관 단말(100)은 인증정보 발급 서버(200)로부터 키생성 안내신호가 전송되면, 키생성 엔진(110)을 운영하여 public key 및 private key를 생성한다. 이때, 의료 기관 단말(100)은, 네트워크를 차단한 상태에서 public key 및 private key가 생성되도록 제어함으로써, 행여라도 발생할 수 있는 각 키의 외부유출을 사전에 차단한다. 의료 기관 단말(100)은 네트워크 차단시 네트워크 차단 안내화면을 표시할 수 있다.When the key generation guidance signal is transmitted from the authentication information issuing server 200, the medical institution terminal 100 operates the key generation engine 110 to generate a public key and a private key. At this time, the medical institution terminal 100 controls the generation of the public key and the private key in the state where the network is blocked, thereby preventing the outflow of each key that may occur even if the public key and the private key are generated. The medical institution terminal 100 may display a network blocking guide screen when the network is blocked.

의료 기관 단말(100)은 암복호화 엔진(120)을 운영하여 사용자가 지정한 비밀번호 및 이미지를 기반으로 private key를 암호화하여 저장부(102)에 저장한다. 이러한 본 발명은 기관의 private key가 유출된다 하더라도 사용자가 지정한 비밀번호 및 이미지를 알아야만 정보를 열람할 수 있으므로 보안성이 강화된다.The medical institution terminal 100 operates the encryption / decryption engine 120 to encrypt the private key based on the password and the image designated by the user, and stores the encrypted private key in the storage unit 102. Even if the private key of the organization is leaked out, the present invention can enhance the security because the information can be browsed only by knowing the password and image designated by the user.

의료 기관 단말(100)은 암호화 private key가 저장되면, 네트워크를 다시 연결하라는 알림을 출력하고, 사용자는 네트워크를 연결할 수 있다.When the encrypted private key is stored, the medical institution terminal 100 outputs a notification to reconnect the network, and the user can connect the network.

도 1 및 도 3을 참조하면, 인증정보 발급 서버(200)에는 DB부(210)가 탑재되고, 인증정보 발급 서버(200)의 DB부(210)는 상기 의료 기관 단말(100)을 운영하는 기관의 식별정보가 저장되고 상기 블록체인기반 인증 정보발급용 기관정보와 동일한 기관의 식별정보가 저장된 회원별 사용자 식별정보 DB(211)를 포함한다.1 and 3, a DB unit 210 is installed in the authentication information issuing server 200 and a DB unit 210 of the authentication information issuing server 200 operates the medical institution terminal 100 And a member-by-member user identification information DB 211 in which identification information of the organization is stored and identification information of the same organization as the block-chain-based authentication information issuing authority information is stored.

인증정보 발급 서버(200)는 의료 기관 단말(100)로부터 public key 및 블록체인기반 인증정보 발급용 기관정보를 전송받고, 블록체인기반 인증 정보 발급용 기관정보를 해시 연산하여 기관 식별해시정보로 가공처리한다.The authentication information issuing server 200 receives public key and block-chain-based authentication information issuing authority information from the medical institution terminal 100, hash-computes the block-chain-based authentication information issuing authority information, Processing.

인증정보 발급 서버(200)는 기관 식별해시정보, public key 및 블록체인기반 인증 정보 발급용 기관정보를 이루는 기관의 식별정보 중 기지정된 기관의 식별정보에 해당하는 지정 사용자 식별정보를 취합하여 트랜잭션(transaction) 생성요청신호로 가공하고 이를, 후술되는 블록체인기반 의료정보 관리서버(300)로 전송하는 서버이다.The authentication information issuing server 200 collects specified user identification information corresponding to the identification information of the designated agency among the identification information of the institution that constitutes the institution identification identification information, the public key, and the block chain-based authentication information issuing authority information, and transmits it to the block chain-based medical information management server 300, which will be described later.

후술하는 의료정보 관리서버(300)의 프로세서(310)는 기관의 식별정보의 등록 여부에 따라 transaction 생성 및 전송 동작을 수행할 수 있다. 여기서, 지정 기관 식별정보는 기관의 전화번호를 포함할 수 있다. 이를 위해, 인증정보 발급 서버(200)는 해시처리 엔진(220)을 포함할 수 있다.The processor 310 of the medical information management server 300, which will be described later, can perform a transaction generation and transfer operation according to whether or not the identification information of the institution is registered. Here, the designated institution identification information may include the telephone number of the institution. To this end, the authentication information issuing server 200 may include a hash processing engine 220.

해시처리 엔진(220)은 블록체인기반 인증 정보발급용 기관정보를 해시연산하여 기관 식별해시정보로 가공처리하는 기능을 수행한다.The hash processing engine 220 performs hash operation on the block-chain-based authentication information issuing organization information and processes the processed information into the institution identification identification information.

도 1 및 도 4를 참조하면, 블록체인기반 의료정보 관리서버(300)는 의료 기관 단말(100)로부터 인증 정보에 대한 발급 요청으로서 기관의 식별정보가 획득되어 기관의 식별정보의 등록 여부가 확인된 결과, 기관의 식별정보가 등록 상태이면, 기관의 public key 및 식별정보의 해시값 또는 이를 가공한 값을 output으로 하는 transaction을 생성하여 블록체인에 전송하거나 전송하도록 지원하고, transaction이 블록체인 상에 기록된 위치 정보를 나타내는 transaction ID를 획득하는 구성이다. 블록체인에 대한 전송은 블록체인 의료정보 보유서버(400)에 대한 전송으로 이루어질 수 있다. 이를 위해, 블록체인기반 의료정보 관리서버(300)는 프로세서(310) 및 통신부(320)를 포함한다.Referring to FIG. 1 and FIG. 4, the block-chain-based medical information management server 300 receives an identification information of an institution as an issuance request for authentication information from the medical institution terminal 100 and confirms whether or not the identification information of the institution is registered A transaction is generated and output to the block chain by outputting a hash value of the public key and identification information of the organization or a value obtained by manipulating the hash value of the public key and the identification information when the identification information of the organization is registered, And acquires the transaction ID indicating the position information recorded in the transaction ID. The transmission to the block chain may be made to the block chain medical information holding server 400. To this end, the block-chain-based medical information management server 300 includes a processor 310 and a communication unit 320.

프로세서(310)는, 의료 기관 단말(100)로부터 인증 정보에 대한 발급 요청으로서 특정 기관의 식별정보가 획득되어 특정 기관의 식별정보의 등록 여부가 확인된 결과, 특정 기관의 식별정보가 등록 상태이면, 특정 기관의 public key 및 (ii) 식별정보의 해시값 또는 이를 가공한 값을 output으로 하는transaction을 생성하여 블록체인 의료정보 보유서버(400)에 전송한다. 특정 기관의 식별정보는 데이터베이스에서 확인될 수 있다.If the identification information of the specific institution is acquired as the issuance request for the authentication information from the medical institution terminal 100 and it is confirmed whether or not the identification information of the specific institution is registered, , A public key of a specific institution, and (ii) a hash value of the identification information or a value obtained by processing the hash value of the identification information, and transmits the generated transaction to the block-chain medical information holding server 400. Identification information of a specific institution can be confirmed in the database.

통신부(320)는, transaction이 상기 블록체인 상에 기록된 위치 정보를 나타내는 transaction ID를 획득 및 저장한다.The communication unit 320 acquires and stores a transaction ID indicating the location information on which the transaction is recorded on the block chain.

한편, 프로세서(310)는 기관 식별해시정보와 transaction ID를 해시연산하여 기관 검증해시정보로 가공처리할 수 있다.Meanwhile, the processor 310 can perform hash calculation of the institution identification identification information and the transaction ID, and processing the information into the institution verification identification information.

이러한 기능을 수행하는 블록체인기반 인증서 정보 관리 서버(300)는 병원이나 약국에서 운영하는 서버, 정부기관에서 운영하는 의료보험 서버 등 서비스 이용 시 인증 수행이 요구되는 업체의 서버일 수 있다.The block chain-based certificate information management server 300 that performs such functions may be a server operated by a hospital or a pharmacy, a medical insurance server operated by a government agency, or a server of a company that requires authentication to be performed when a service is used.

블록체인 의료정보 보유서버(400)들은 하나의 구성원으로 이루어진다. 각각의 블록체인 의료정보 보유서버(400)에는 블록체인을 갖는 환자 정보에 해당하는 transaction이 저장되며, 새로운 transaction이 수신되면 검증을 수행한 후 transaction 정보가 기록됨과 더불어 지정된 다음 단의 블록체인 의료정보 보유서버(400)들에게 환자 정보에 해당하는 transaction을 전파한다.The block-chain medical information holding servers 400 are made up of one member. In each block-chain medical information holding server 400, a transaction corresponding to patient information having a block chain is stored. When a new transaction is received, the transaction information is recorded after the verification is performed, And propagates the transaction corresponding to the patient information to the holding servers 400.

구체적으로, 환자 정보에 해당하는 transaction의 전파는 통신규약(protocol)에 의해 약속된 것으로, 새로운 transaction의 생성시 1개의 노드(여기서는 블록체인 의료정보 보유서버를 칭함)가 지정된 8개의 노드로 전파시키며, 그 비트코인 결제용 트랜잭션정보를 전송받은 8개의 노드마다 각각 지정된 8개의 노드로 반복 전파하는 피라미드식전파를 통해 모든 블록체인 의료정보 보유서버(400)에게 전파됨으로써, 완료된다. 이처럼, 블록체인에 기록되는 모든 transaction은 추후 위변조가 불가능하다.Specifically, the propagation of a transaction corresponding to patient information is promised by a communication protocol. When a new transaction is generated, one node (referred to as a block-chain medical information holding server in this case) propagates to the designated eight nodes , And the bit-coin settlement transaction information is propagated to all the block-chain medical-information holding servers 400 through the pyramidal propagation that repeatedly propagates to the eight nodes specified for each of the eight nodes that have received the bit-coin settlement transaction information. As such, all transactions written to the block chain can not be later forged.

상술한 바와 같이, 본 발명의 일 실시예에 따른 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템(10)은 환자의 전자 차트 정보를 블록체인(block-chain) 형태인 블록체인 보유 서버(400)들에 기록한다. 또한, 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템(10)은 의료 기관 단말 또는 의료 기관 서버와 제약사 단말 또는 제약사 서버들이 상호 간에 주고받는 의약품 납품 정보 및 결제 정보를 상기 블록체인 보유 서버(400)들에 기록할 수 있다.As described above, the clinic security system 10 for storing patient information on the basis of a block chain according to an embodiment of the present invention includes a block chain holding server 400 (block- ). In addition, the clinic security system 10 for storing patient information on the basis of a block chain transmits drug delivery information and payment information exchanged between a medical institution terminal or a medical institution server and a pharmaceutical terminal or a pharmaceutical company server to the block chain holding server 400 ). ≪ / RTI >

블록체인기반 의료정보 관리서버(300)는 블록체인 보유 서버(400)들에 기록된 정보들에 대한 추가, 이전, 및 삭제를 포함하는 정보 관리 업무를 수행하고, 상기 정보 관리 업무를 상기 블록체인 보유 서버(400)들의 승인에 기반하여 처리하도록 구성된다.The block chain-based medical information management server 300 performs an information management task including addition, transfer, and deletion of information recorded in the block chain holding servers 400, Based on the approval of the holding servers 400.

상기 블록체인 보유 서버(400)들에 기록되는 환자의 전자 차트 정보는 환자 정보, 의약품 처방 내용, 대체 처방 품목, 수술 기록, 및 검진 기록을 포함한다.The electronic chart information of the patient recorded in the block chain holding servers 400 includes patient information, medication prescription contents, alternative prescription items, surgical records, and examination records.

일 실시예에 따르면, 상기 의료 기관 단말 또는 상기 의료 기관 서버는, 환자의 전자 차트 정보의 기록 요청이 있는 경우, 인증정보 발급 서버(200)를 통해 public key 및 private key를 생성하여 블록체인기반 의료정보 관리서버(300)로 전송한다. 블록체인기반 의료정보 관리서버(300)는 상기 의료 기관 단말 또는 상기 의료 기관 서버로부터 수신한 public key 및 private key의 등록 여부를 확인한 뒤, 상기 의료 기관 단말 또는 상기 의료 기관 서버가 요청한 환자의 전자 차트 정보를 해시값으로 가공하여 정보 기록을 위한 transaction을 생성하고, 생성된 transaction을 상기 블록체인 보유 서버(400)들에게 전달하여 승인하도록 구성된다.According to one embodiment, when there is a request to record electronic chart information of a patient, the medical institution terminal or the medical institution server generates a public key and a private key through the authentication information issuing server 200, And transmits it to the information management server 300. The block chain-based medical information management server 300 checks whether or not the public key and the private key received from the medical institution terminal or the medical institution server are registered, and then transmits the electronic chart of the patient requested by the medical institution terminal or the medical institution server Information is processed into a hash value to generate a transaction for information recording, and the generated transaction is transferred to the block chain holding servers 400 and approved.

한편, 본 발명의 일 실시예에 따른 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템(10)은 처방기관과 조제기관 사이의 업무 조율 정보를 블록체인의 승인을 기반으로 기록 및 저장한다. 예를 들면, 본 발명의 시스템(10)은 병원측과 약국측 간은 환자 처방 또는 대체 조제에 관해 조율할 수 있으며 이러한 기록은 환자의 건강에 중대한 영향을 미치는 바, 높은 보안성이 요구된다. 따라서, 블록체인기반 의료정보 관리서버(300)는 의약품 조제 기관측 서버가 대체 약품 또는 수정 약품으로 조제를 하고자 하는 경우, 해당 사실을 상기 처방기관측 단말로 전송하고, 상기 처방기관측 단말로부터 승인이 이루어지면 승인된 정보의 기록을 상기 블록체인 보유 서버(400)들에게 전달하도록 구성된다.Meanwhile, the clinic security system 10 for storing patient information on the basis of a block chain according to an embodiment of the present invention records and stores task coordination information between a prescribing institution and a dispensing institution on the basis of approval of a block chain. For example, the system 10 of the present invention allows the hospital side and the pharmacy side to coordinate with respect to patient prescriptions or alternatives, and these records have a significant impact on the patient ' s health and require high security. Accordingly, when the drug dispenser side server desires to prepare the substitute drug or the correction drug, the block chain-based medical information management server 300 transmits the fact to the prescription-side terminal, It is configured to transmit a record of the approved information to the block chain holding servers 400. [

도 5는 본 발명에 따라 블록체인 기반으로 환자 정보를 저장 및 관리하는 방법을 설명하기 위한 예시도이다.5 is an exemplary diagram illustrating a method for storing and managing patient information on a block-chain basis in accordance with the present invention.

도 5를 참조하면, 전술한 설명에서, '기관'은 의료 기관 단말, 의료 기관 서버, 제약사 단말, 또는 제약사 서버 중 어느 하나일 수 있다. 이러한 기관들은 환자의 의료정보 기록을 블록체인기반 의료정보 관리서버(300)에게 요청한다. 기관으로부터 수신한 public key 및 private key의 등록 여부를 확인한 뒤, 해시값으로 가공하여 정보 기록을 위한 transaction블록을 생성하고, 생성된 transaction블록을 상기 블록체인 보유 서버(400)들에게 전달한다. 이때, transaction의 전파는 통신규약(protocol)에 의해 약속된 것으로, 새로운 transaction의 생성시 1개의 노드(여기서는 블록체인 의료정보 보유서버(400)를 칭함)가 지정된 8개의 노드로 전파시키며, 그 비트코인 결제용 트랜잭션정보를 전송받은 8개의 노드마다 각각 지정된 8개의 노드로 반복 전파하는 피라미드식전파를 통해 모든 블록체인 의료정보 보유서버(400)(400)에게 전파된다. 모든 블록체인 보유서버(400)가 transaction블록을 승인하고, transaction블록을 추가하면, 기관으로부터 요청된 기관들은 환자의 의료정보 기록이 완료된다.Referring to FIG. 5, in the above description, 'institution' may be any one of a medical institution terminal, a medical institution server, a pharmaceutical company terminal, or a pharmaceutical company server. These organizations request the block-chain-based medical information management server 300 to record the patient's medical information. After confirming whether or not the public key and the private key received from the organization are registered, the hash value is processed to generate a transaction block for information recording, and the generated transaction block is transmitted to the block chain holding servers 400. At this time, the propagation of the transaction is promised by a communication protocol, and one node (referred to as block-chain medical information holding server 400 in this case) propagates to the designated eight nodes at the time of generation of a new transaction, The transaction information for coin settlement is propagated to all the block-chain medical information holding servers 400 (400) through the pyramidal propagation that repeatedly propagates to the eight nodes designated for each of the eight nodes having received the transaction information for coin settlement. When all block chain holding server 400 approves a transaction block and adds a transaction block, the institutions requested by the institution complete the medical information recording of the patient.

이상, 전술한 바와 같이, 본 발명의 다양한 실시 예에 따른 병의원 보안 시스템으로는 블록체인 기반으로 환자 정보를 저장 및 관리함으로써, 환자 정보의 유출 및 해킹을 방지하여 보안성을 높일 수 있다.As described above, according to various embodiments of the present invention, it is possible to prevent leakage and hacking of patient information by storing and managing patient information on a block-chain basis, thereby enhancing security.

상기에서는 본 발명을 특정의 바람직한 일 실시예에 관련하여 도시하고 설명하였지만, 이하의 특허청구범위에 의해 마련되는 본 발명의 기술적 특징이나 분야를 이탈하지 않는 한도 내에서 본 발명이 다양하게 개조 및 변화될 수 있다는 것은 당업계에서 통상의 지식을 가진 자에게 명백한 것이다.Although the present invention has been shown and described with respect to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, It will be apparent to those skilled in the art.

100: 의료 기관 단말
200: 인증정보 발급 서버
300: 블록체인기반 의료정보 관리서버
400: 블록체인 의료정보 보유서버100: medical institution terminal
200: Authentication information issuing server
300: Block Chain Based Medical Information Management Server
400: block chain medical information holding server

Claims (4)

환자의 전자 차트 정보를 블록체인(block-chain) 형태인 블록체인 보유 서버들에 기록하고,
의료 기관 단말 또는 의료 기관 서버와 제약사 단말 또는 제약사 서버들이 상호 간에 주고받는 의약품 납품 정보 및 결제 정보를 상기 블록체인 보유 서버들에 기록하고,
상기 블록체인 보유 서버들에 기록된 정보들에 대한 추가, 이전, 및 삭제를 포함하는 정보 관리 업무를 수행하고, 상기 정보 관리 업무를 상기 블록체인 보유 서버들의 승인에 기반하여 처리하는 블록체인기반 의료정보 관리서버를 포함하되,
상기 의료 기관 단말 또는 상기 의료 기관 서버는, 환자의 전자 차트 정보의 기록 요청이 있는 경우, 인증정보 발급 서버를 통해 public key 및 private key를 생성하여 블록체인기반 의료정보 관리서버로 전송하고,
상기 블록체인기반 의료정보 관리서버는 상기 의료 기관 단말 또는 상기 의료 기관 서버로부터 수신한 public key 및 private key의 등록 여부를 확인한 뒤, 상기 의료 기관 단말 또는 상기 의료 기관 서버가 요청한 환자의 전자 차트 정보를 해시값으로 가공하여 정보 기록을 위한 transaction을 생성하고, 생성된 transaction을 상기 블록체인 보유 서버들에게 전달하여 승인하도록 구성된, 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템.The electronic chart information of the patient is recorded in the block chain holding servers in a block-chain form,
Records drug delivery information and payment information exchanged between a medical institution terminal or a medical institution server and a pharmaceutical terminal or a pharmaceutical company server to the block chain holding servers,
Performing block management on the basis of approval of the block chain holding servers, performing block management on the block chain holding servers, performing an information management task including addition, transfer, and deletion of information recorded in the block chain holding servers, An information management server,
The medical institution terminal or the medical institution server generates a public key and a private key through the authentication information issuing server and transmits the generated public key and private key to the block chain based medical information management server when there is a request to record electronic chart information of the patient,
The block chain-based medical information management server confirms whether or not the public key and the private key received from the medical institution terminal or the medical institution server are registered, and then transmits the electronic chart information of the patient requested by the medical institution terminal or the medical institution server And generating a transaction for information recording by processing the hash value into a hash value, and transmitting the generated transaction to the block chain holding servers to approve the transaction to store the patient information on a block chain basis. 제 1 항에 있어서,
상기 블록체인 보유 서버들에 기록되는 환자의 전자 차트 정보는 환자 정보, 의약품 처방 내용, 대체 처방 품목, 수술 기록, 및 검진 기록을 포함하는, 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템.The method according to claim 1,
Wherein the electronic chart information of the patient recorded in the block chain holding servers stores patient information on a block chain basis, including patient information, medication prescription content, alternative prescription items, surgical records, and a screening record. 삭제delete 제 1 항에 있어서,
상기 블록체인기반 의료정보 관리서버는 의약품 조제 기관측 서버가 대체 약품 또는 수정 약품으로 조제를 하고자 하는 경우, 해당 사실을 처방기관측 단말로 전송하고, 상기 처방기관측 단말로부터 승인이 이루어지면 승인된 정보의 기록을 상기 블록체인 보유 서버들에게 전달하도록 구성되는, 블록체인 기반으로 환자 정보를 저장하는 병의원 보안 시스템.
The method according to claim 1,
Wherein the block chain-based medical information management server transmits a corresponding fact to the prescription-side terminal when the medicines dispensing institution-side server desires to prepare the substitute drug or the amendment drug, and when the approval is made from the prescription- And store the patient information on a block-chain basis.
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