CN106027248B - A kind of medical data encryption method - Google Patents
A kind of medical data encryption method Download PDFInfo
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- CN106027248B CN106027248B CN201610633051.7A CN201610633051A CN106027248B CN 106027248 B CN106027248 B CN 106027248B CN 201610633051 A CN201610633051 A CN 201610633051A CN 106027248 B CN106027248 B CN 106027248B
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- General Engineering & Computer Science (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The present invention provides a kind of medical data Encryption Algorithm, include the following steps: that (1) encrypts at least one data in identity essential information data according to the first Encryption Algorithm, obtains the first encryption data；(2) a part of living environment data and the physiologic information data are encrypted according to the second Encryption Algorithm, obtains first key and the second encryption data, the living environment data includes patient position information, environment temperature and ambient humidity；(3) according at least part in go to a doctor data and inspection diagnostic result data as the second key, first encryption data and the second encryption data is encrypted according to third Encryption Algorithm, obtain third encryption data；(4) check code is generated according to second key and the rest part of living environment data, is encrypted according to the check code and first encryption data, the second encryption data according to the 4th Encryption Algorithm, obtains the 4th encryption data.
Description
Technical field
The present invention relates to medical data security technology areas, more particularly, to a kind of medical data encryption method.
Background technique
21 century, the mankind come into the epoch of medical treatment and biotechnology.With various medical technology continue to develop and it is more
Kind medical resource is constantly universal, and medical data gradually becomes a kind of special data type.
Said from narrow sense angle, medical data be related to physiologic information data, identity essential information data, living environment data,
Medical data and inspection diagnostic result data etc..Wherein, people are to identity essential information data, such as ID card information etc.
Produce biggish concern.But for physiologic information data, living environment data, medical data and check diagnostic result number
It is also far from enough according to equal attention rate.The existing concept to medical data and the impercipient problem of effect among these, and have scarce
The factor of weary corresponding solution.
On the other hand, general with the intelligent mobile terminals such as the extensive use of mobile phone, especially smart phone, tablet computer
And when the function of surfing Internet with cell phone be used by a user it is more and more when, user has a large amount of personal information and data is deposited
It is placed in mobile phone.And mobile phone is easily lost, therefore the secrecy of the personal information and data in mobile phone and backup management just at
For a distinct issues.Especially present many medical institutions are all proposed mobile phone application platform.This is for vast trouble
Person has also buried incipient fault for data security while providing convenient.
Summary of the invention
In order to synthetically improve physiologic information data, identity essential information data, living environment data, medical data and inspection
The medical datas such as diagnostic result data safety is looked into, for the intelligent movables equipment such as different brands and the mobile phone of model, tablet computer
It reliably transmits, the present invention provides a kind of medical data encryption method, the medical data includes physiologic information data, identity
Essential information data, living environment data, medical data and inspection diagnostic result data, the data encryption algorithm include as follows
Step:
(1) at least one data in identity essential information data are encrypted according to the first Encryption Algorithm, obtains first and adds
Ciphertext data；
(2) a part of living environment data and the physiologic information data are encrypted according to the second Encryption Algorithm, is obtained
First key and the second encryption data, the living environment data include patient position information, environment temperature and ambient humidity；
(3) data and at least part in diagnostic result data is checked as the second key, to described the according to going to a doctor
One encryption data and the second encryption data are encrypted according to third Encryption Algorithm, obtain third encryption data；
(4) check code is generated according to second key and the rest part of living environment data, according to the check code and
First encryption data, the second encryption data, third encryption data are encrypted according to the 4th Encryption Algorithm, obtain the 4th encryption number
According to.
Further, at least one of described identity essential information data include ID card No..
Further, the physiological parameter is the physiological parameter including blood oxygen, blood pressure, heart rate and body temperature.
Further, described at least one data by identity essential information data are according to the first Encryption Algorithm encrypted packet
It includes:
It obtains to the first data by the encryption of the first Encryption Algorithm；
Each of encryption data character is converted into the first HEX sequence；
Current date is formed into 8 bit digitals according to " 4 years number "+" two months numbers "+" two days number " format
Respectively divided by last 1 bit digital of ID card No., the obtained remainder including 8 bit digitals；
The preceding 4-digit number of remainder is converted into the 2nd HEX sequence；
The rear 4-digit number of remainder is converted into the 3rd HEX sequence；
First HEX code in 2nd HEX sequence is inserted into the last one HEX code and inverse of the first HEX sequence
Between second HEX code, second HEX code in the 2nd HEX sequence is inserted into the penultimate of the first HEX sequence
Between HEX code and third last HEX code, and so on, until each HEX code in the 2nd HEX sequence is inserted into institute
State the first HEX sequence；
By first HEX code of first HEX code insertion the first HEX sequence in the 3rd HEX sequence and second
Between HEX code, second HEX code in the 3rd HEX sequence is inserted into the second HEX code and third of the first HEX sequence
Between a HEX code, and so on, until each HEX code in the 3rd HEX sequence is inserted into the first HEX sequence；
Using the first HEX sequence Jing Guo above-mentioned processing as the first encryption data.
Further, it is described by a part of living environment data and the physiologic information data according to the second Encryption Algorithm
Encryption includes:
The longitude and latitude in geographical location locating for patient are obtained by positioning device, wherein longitude and latitude are accurate to
Three after decimal point；
By Jing Guo above-mentioned processing longitude and latitude be converted into Hash code respectively；
By physiological parameter according to the sequence of blood oxygen, blood pressure, heart rate and body temperature, it is successively converted into Hash code, is turned for null value person
The corresponding HEX code of character " NUL " is changed into, with the corresponding HEX code interval of character " | ", physiology ginseng between all kinds of physiological parameters
Number string；
Above-mentioned physiological parameter sequence is divided into 8 sections；
The physiological parameter code that the Hash code of above-mentioned longitude and latitude and the physiological parameter are obtained after above-mentioned processing
String forms 4 × 4 physiological parameter matrix, and the leading diagonal in the matrix is 8 sections that above-mentioned physiological parameter sequence is divided into, matrix
In remaining position be above-mentioned longitude and latitude Hash code, the physiological parameter matrix is as the second encryption data；
The physiological parameter rank of matrix is calculated；
Hash code that the Hash code and latitude being converted into using above-mentioned longitude are converted into and above-mentioned order are as parameter structure
At physiological parameter matrix key, as first key.
Further, right according at least part in medical data and inspection diagnostic result data as the second key
First encryption data and the second encryption data are encrypted according to third Encryption Algorithm includes:
The electronic health record data of patient are obtained, and therefrom finds medical data and checks diagnostic result data, wherein just
Examining data includes the patient previous medical date, which includes previous inspecting doctor's name and inspection
Diagnostic result；
Including above-mentioned medical date, inspecting doctor's name and it will check that each electronic health record information of diagnostic result is converted into
HEX code, and the matrix that columns is 3 is constituted, the sum of each element on the inverse of a matrix matrix and two diagonal lines is calculated, by this
With as the second key；
The HEX code that above-mentioned electronic health record information is converted into is converted into Hash sequence；
Above-mentioned first encryption data is converted into Hash sequence, interlocks by turn with second encryption data, is formed new
Hash sequence, using above-mentioned second key multiplied by the new Hash sequence；
The Hash sequence that above-mentioned electronic health record information is converted into is connected with above-mentioned new Hash sequence, constitutes third encryption
Data.
Further, check code is generated according to second key and the rest part of living environment data, according to the school
Code and first encryption data, the second encryption data, third encryption data, which are tested, according to the encryption of the 4th Encryption Algorithm includes:
The environment temperature of patient present position and the information of ambient humidity are obtained by sensor, wherein temperature, which is accurate to, takes the photograph
The integer-bit of family name's degree, humidity are accurate to the one decimal place of absolute humidity, by the environment temperature and the information of ambient humidity into
Row dot product obtains check code；
Hash sequence, the second encryption data, the third encryption data that the check code, first encryption data are converted into
New Hash sequence is formed, first of the Hash sequence is exchanged with the exchange of last position, second and penultimate, with
This analogizes, and obtains the 4th encryption data.
The invention has the benefit that can not in the way of existing RSA, random seed etc. complete paired data plus
It is close, therefore to the higher encryption of intensity of the medical treatment & health information realization including individual privacy.
Detailed description of the invention
Fig. 1 shows the flow chart of medical data encryption method according to the present invention.
Specific embodiment
As shown in Figure 1, medical data encryption method of the invention includes the following steps:
The medical data include physiologic information data, identity essential information data, living environment data, medical data and
Check that diagnostic result data, the data encryption algorithm include the following steps:
(1) at least one data in identity essential information data are encrypted according to the first Encryption Algorithm, obtains first and adds
Ciphertext data；Include:
It obtains to the first data by the encryption of the first Encryption Algorithm；
Each of encryption data character is converted into the first HEX sequence；
Current date is formed into 8 bit digitals according to " 4 years number "+" two months numbers "+" two days number " format
Respectively divided by last 1 bit digital of ID card No., the obtained remainder including 8 bit digitals；
The preceding 4-digit number of remainder is converted into the 2nd HEX sequence；
The rear 4-digit number of remainder is converted into the 3rd HEX sequence；
First HEX code in 2nd HEX sequence is inserted into the last one HEX code and inverse of the first HEX sequence
Between second HEX code, second HEX code in the 2nd HEX sequence is inserted into the penultimate of the first HEX sequence
Between HEX code and third last HEX code, and so on, until each HEX code in the 2nd HEX sequence is inserted into institute
State the first HEX sequence；
By first HEX code of first HEX code insertion the first HEX sequence in the 3rd HEX sequence and second
Between HEX code, second HEX code in the 3rd HEX sequence is inserted into the second HEX code and third of the first HEX sequence
Between a HEX code, and so on, until each HEX code in the 3rd HEX sequence is inserted into the first HEX sequence；
Using the first HEX sequence Jing Guo above-mentioned processing as the first encryption data.
(2) a part of living environment data and the physiologic information data are encrypted according to the second Encryption Algorithm, is obtained
First key and the second encryption data, the living environment data include patient position information, environment temperature and ambient humidity；Packet
It includes:
The longitude and latitude in geographical location locating for patient are obtained by positioning device, wherein longitude and latitude are accurate to
Three after decimal point；
By Jing Guo above-mentioned processing longitude and latitude be converted into Hash code respectively；
By physiological parameter according to the sequence of blood oxygen, blood pressure, heart rate and body temperature, it is successively converted into Hash code, is turned for null value person
The corresponding HEX code of character " NUL " is changed into, with the corresponding HEX code interval of character " | ", physiology ginseng between all kinds of physiological parameters
Number string；
Above-mentioned physiological parameter sequence is divided into 8 sections；
The physiological parameter code that the Hash code of above-mentioned longitude and latitude and the physiological parameter are obtained after above-mentioned processing
String forms 4 × 4 physiological parameter matrix, and the leading diagonal in the matrix is 8 sections that above-mentioned physiological parameter sequence is divided into, matrix
In remaining position be above-mentioned longitude and latitude Hash code, the physiological parameter matrix is as the second encryption data；
The physiological parameter rank of matrix is calculated；
Hash code that the Hash code and latitude being converted into using above-mentioned longitude are converted into and above-mentioned order are as parameter structure
At physiological parameter matrix key, as first key.
(3) data and at least part in diagnostic result data is checked as the second key, to described the according to going to a doctor
One encryption data and the second encryption data are encrypted according to third Encryption Algorithm, obtain third encryption data；Include:
The electronic health record data of patient are obtained, and therefrom finds medical data and checks diagnostic result data, wherein just
Examining data includes the patient previous medical date, which includes previous inspecting doctor's name and inspection
Diagnostic result；
Including above-mentioned medical date, inspecting doctor's name and it will check that each electronic health record information of diagnostic result is converted into
HEX code, and the matrix that columns is 3 is constituted, the sum of each element on the inverse of a matrix matrix and two diagonal lines is calculated, by this
With as the second key；
The HEX code that above-mentioned electronic health record information is converted into is converted into Hash sequence；
Above-mentioned first encryption data is converted into Hash sequence, interlocks by turn with second encryption data, is formed new
Hash sequence, using above-mentioned second key multiplied by the new Hash sequence；
The Hash sequence that above-mentioned electronic health record information is converted into is connected with above-mentioned new Hash sequence, constitutes third encryption
Data.
(4) check code is generated according to second key and the rest part of living environment data, according to the check code and
First encryption data, the second encryption data, third encryption data are encrypted according to the 4th Encryption Algorithm, obtain the 4th encryption number
According to, comprising:
The environment temperature of patient present position and the information of ambient humidity are obtained by sensor, wherein temperature, which is accurate to, takes the photograph
The integer-bit of family name's degree, humidity are accurate to the one decimal place of absolute humidity, by the environment temperature and the information of ambient humidity into
Row dot product obtains check code；
Hash sequence, the second encryption data and the third encryption number that the check code, first encryption data are converted into
According to new Hash sequence is formed, first of the Hash sequence is exchanged with the exchange of last position, second and penultimate,
And so on, obtain the 4th encryption data.
The decipherment algorithm of above-mentioned algorithm is that the reversed above process is realized at receiving end (including Intelligent mobile equipment itself),
Details are not described herein.
Although describing the present invention referring to specific embodiment, it will be understood by those skilled in the art that can not depart from
Various changes or progress equivalence replacement are carried out on the basis of the scope of the invention.In addition, can be on the basis for not departing from the scope of the invention
Shang pair present invention teach that content carry out various adjustment to adapting to specific environment or material.Therefore, the present invention should not necessarily be limited by
Disclosed specific embodiment, but should include all embodiments for belonging to attached claim scope.
Claims (4)
1. a kind of medical data encryption method, the medical data includes physiologic information data, identity essential information data, existence
Environmental data, medical data and inspection diagnostic result data, which is characterized in that the data ciphering method includes the following steps:
(1) at least one data in identity essential information data are encrypted according to the first Encryption Algorithm, obtains the first encryption number
According to；
(2) a part of living environment data and the physiologic information data are encrypted according to the second Encryption Algorithm, obtains first
Key and the second encryption data, the living environment data include patient position information, environment temperature and ambient humidity；
(3) added as the second key to described first according at least part in go to a doctor data and inspection diagnostic result data
Ciphertext data and the second encryption data are encrypted according to third Encryption Algorithm, obtain third encryption data；
(4) check code is generated according to second key and the rest part of living environment data, according to the check code and described
First encryption data, the second encryption data are encrypted according to the 4th Encryption Algorithm, obtain the 4th encryption data.
2. the method according to claim 1, wherein at least one of described identity essential information data include
ID card No..
3. the method according to claim 1, wherein the physiologic information data are to include blood oxygen, blood pressure, heart rate
With the physiologic information data including body temperature.
4. the method according to claim 1, wherein described by least one of identity essential information data number
Include: according to according to the encryption of the first Encryption Algorithm
The first data are obtained as encryption data；
Each of encryption data character is converted into the first HEX sequence；
Current date is formed into 8 bit digitals difference according to " 4 years number "+" two months numbers "+" two days number " format
Divided by last 1 bit digital of ID card No., the obtained remainder including 8 bit digitals；
The preceding 4-digit number of remainder is converted into the 2nd HEX sequence；
The rear 4-digit number of remainder is converted into the 3rd HEX sequence；
First HEX code in 2nd HEX sequence is inserted into the last one HEX code and reciprocal the of the first HEX sequence
Between two HEX codes, second HEX code in the 2nd HEX sequence is inserted into the penultimate of the first HEX sequence
Between HEX code and third last HEX code, and so on, until each HEX code in the 2nd HEX sequence is inserted into institute
State the first HEX sequence；
First HEX code in 3rd HEX sequence is inserted into the first HEX code and second HEX of the first HEX sequence
Between code, second HEX code in the 3rd HEX sequence is inserted into the second HEX code and third of the first HEX sequence
Between HEX code, and so on, until each HEX code in the 3rd HEX sequence is inserted into the first HEX sequence；
By the first HEX sequence of each HEX code passing through above-mentioned processing, being inserted into the 2nd HEX sequence and the 3rd HEX sequence
As the first encryption data.
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Families Citing this family (6)
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| CN107018145A (en) * | 2017-05-06 | 2017-08-04 | 深圳市前海安测信息技术有限公司 | Medical data encryption transmission system and method |
| CN108768930A (en) * | 2018-04-09 | 2018-11-06 | 华北水利水电大学 | A kind of encrypted transmission method of data |
| CN109727671B (en) * | 2018-12-28 | 2021-07-09 | 广东省心血管病研究所 | Information analysis system and method for identifying hematopoietic stem cell transplantation effect |
| CN110648295A (en) * | 2019-09-23 | 2020-01-03 | 中南大学湘雅医院 | Image analysis-based preoperative examination and user terminal interaction system and method for orthopedics department |
| CN111539237A (en) * | 2020-04-21 | 2020-08-14 | 南京理工大学 | Ward information management method and device based on encrypted QR (quick response) code |
| CN113973122B (en) * | 2021-10-14 | 2024-04-30 | 杭州卓健信息科技股份有限公司 | Encryption and decryption communication system and method |
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