CN110046906A - A kind of the two-way authentication method of commerce and system of MPOS machine and server - Google Patents
A kind of the two-way authentication method of commerce and system of MPOS machine and server Download PDFInfo
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- CN110046906A CN110046906A CN201910313797.3A CN201910313797A CN110046906A CN 110046906 A CN110046906 A CN 110046906A CN 201910313797 A CN201910313797 A CN 201910313797A CN 110046906 A CN110046906 A CN 110046906A
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- Prior art keywords
- key
- server
- mpos
- mpos machine
- machine
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Classifications
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/325—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices using wireless networks
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
Abstract
The embodiment of the invention discloses the two-way authentication method of commerce and system of a kind of MPOS machine and server, connect this method comprises: MPOS machine establishes telecommunication with server by intelligent terminal；The transaction request responded between MPOS machine and server carries out two-way authentication；After two-way authentication passes through, working key ciphertext and the encapsulation of encryption key ciphertext are generated digital envelope and are sent to MPOS machine after being signed using privacy key by server；Whether MPOS machine is legal using the signature that server public key verifies the digital envelope, after being verified, obtains encryption key using MPOS private key decryption encryption key ciphertext, obtains working key using encryption key decryption working key ciphertext.Using bidirectional identity authentication mechanism, working key is updated by way of two-way authentication is after using data envelope, transaction security with higher effectively prevent sensitive information during financial transaction to be obtained by other people or the problem of leakage.
Description
Technical field
The present embodiments relate to field of information security technology, and in particular to a kind of two-way authentication of MPOS machine and server
Method of commerce and system.
Background technique
With the fast development of financial trading industry and portfolio, the information security during financial transaction is also increasingly
It is important.MPOS equipment is a kind of emerging secure financial external device based on intelligent terminals such as mobile phone, tablet computers, equipment sheet
The operations such as body can independently complete to swipe the card (magnetic stripe card), card reading (IC card), PIN input, amount of money input, and realize in process of exchange
The encryption of sensitive information, but equipment itself does not have the function of remotely connecting, but use the communication connection side of bluetooth connection
Formula, MPOS are connect by bluetooth mode with intelligent terminal, and the bank by running on intelligent terminal or third party's acquirer
APP by internet carries out information transmission and realizes to be in communication with each other with remote server, and completion financial transaction, MPOS system can lead to
Various ways access public network is crossed, internet is made to become the component part of information transmission line, transaction data and equipment management
Information such as is intercepted, is distorted, being reset at the attack a possibility that and easiness increases, and it is quick to may result in account information of client etc.
Feel information leakage, generate monetary losses, therefore, the data information transfer in MPOS equipment process of exchange becomes extremely with encryption completely
It closes important.
Summary of the invention
For this purpose, the embodiment of the present invention provides the two-way authentication method of commerce and system of a kind of MPOS machine and server, with solution
The problem of sensitive information present in certainly existing MPOS equipment process of exchange is easily obtained or is revealed by other people.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, the two-way authentication counterparty of a kind of MPOS machine and server is proposed
Method, which comprises
MPOS machine is established telecommunication with server by intelligent terminal and is connect, and is stored with pre-configuration in the MPOS machine
MPOS machine public key and MPOS machine private key pair and server public key, the server that the server memory contains pre-configuration are public
Key and privacy key pair and the MPOS machine public key；
The transaction request responded between MPOS machine and server carries out two-way authentication, and the two-way authentication includes the MPOS
The first authentication information for using the MPOS machine private key signature is sent to server by machine, and the server uses the MPOS machine
The no legal completion of the signature of first authentication information described in public key verifications will use institute to the certification of MPOS machine and the server
The second authentication information for stating privacy key signature is sent to MPOS machine, and the MPOS machine verifies institute using the server public key
State certification of the whether legal completion of signature of the second authentication information to server；
After two-way authentication passes through, server generates working key and encryption key, using described in encryption key symmetric cryptography
Working key generates working key ciphertext, generates encryption key ciphertext using encryption key described in the MPOS machine public key encryption,
The working key ciphertext and the encapsulation of encryption key ciphertext are generated into digital envelope and sent out after being signed using the privacy key
It send to MPOS machine；
Whether the MPOS machine is legal using the signature that the server public key verifies the digital envelope, is verified
Afterwards, the encryption key ciphertext in the digital envelope is decrypted using the MPOS private key and obtain the encryption key, using described
Working key ciphertext in digital envelope described in encryption key decryption obtains the working key and saves.
Further, the working key includes PIN key, MAC key or TC key.
Further, the MPOS machine public key and MPOS machine private key pair and server public key and privacy key are to adopting
It is obtained with RSA rivest, shamir, adelman.
Further, the symmetric cryptography uses 3DES symmetric encipherment algorithm.
Further, the form that the MPOS machine public key and server public key are all made of digital certificate is stored and is passed
It is defeated.
Further, the working key and encryption key are all made of random number key.
Further, the intelligent terminal includes mobile phone or tablet computer.
According to a second aspect of the embodiments of the present invention, the two-way authentication transaction system of a kind of MPOS machine and server is proposed
System, the system comprises server, intelligent terminal and MPOS machines；
The server includes:
Server key memory module, for storing the server public key being pre-configured and privacy key pair and MPOS machine
Public key；
Server authentication module receives MPOS machine to service for responding the transaction request between MPOS machine and server
The first authentication information using MPOS machine private key signature that device is sent, and using the described in the MPOS machine public key verifications of storage
Certification of the whether legal completion of the signature of one authentication information to MPOS machine；
Digital envelope generation module, for generating working key and encryption key, using described in encryption key symmetric cryptography
Working key generates working key ciphertext, generates encryption key ciphertext using encryption key described in the MPOS machine public key encryption,
The working key ciphertext and the encapsulation of encryption key ciphertext are generated into digital envelope and sent out after being signed using the privacy key
It send to MPOS machine；
The intelligent terminal includes:
Intelligent terminal bluetooth module, the bluetooth connection for the MPOS machine and intelligent terminal；
Network connection using APP, for the intelligent terminal and server；
The MPOS machine includes:
MPOS machine cipher key storage block, for storing the MPOS machine public key being pre-configured and MPOS machine private key pair and server
Public key；
MPOS machine bluetooth module, the bluetooth connection for the MPOS machine and intelligent terminal；
MPOS machine authentication module receives server to MPOS for responding the transaction request between MPOS machine and server
The second authentication information signed using privacy key that machine is sent, and described the is verified using the server public key of storage
Certification of the whether legal completion of the signature of two authentication informations to server；
Digital envelope deciphering module, the digital envelope sent for receiving the server, uses the server public key
Whether the signature for verifying the digital envelope is legal, after being verified, is decrypted in the digital envelope using the MPOS private key
Encryption key ciphertext obtain the encryption key, it is close using the working key in digital envelope described in the encryption key decryption
Text obtains the working key and saves.
The embodiment of the present invention has the advantages that
The two-way authentication method of commerce and system of a kind of MPOS machine and server that the embodiment of the present invention proposes use non-
The exchange of public keys technology of symmetric cryptography carries out bidirectional identity authentication, MPOS machine and each self-generating a pair of public and private key pair of server,
Both sides exchange public key, are signed using respective private key to authentication information, and recipient uses other side's public key verifications authentication information
The legitimacy of signature realizes the bidirectional identity authentication mechanism of MPOS machine and server, in combination with symmetric cryptography sum number it is believed that envelope
Technology, the update working key by way of two-way authentication is after using data envelope, transaction security with higher, effectively
Prevent sensitive information during financial transaction from being obtained by other people or the problem of leakage.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Fig. 1 is that the process of the two-way authentication method of commerce of a kind of MPOS machine that the embodiment of the present invention 1 provides and server is shown
It is intended to；
Fig. 2 is that the number of the two-way authentication method of commerce of a kind of MPOS machine that the embodiment of the present invention 1 provides and server is believed
The structural schematic diagram of envelope.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment proposes the two-way authentication method of commerce of a kind of MPOS machine and server, method includes
Following steps:
Step S100, MPOS machine is established telecommunication with server by intelligent terminal and is connect, and is stored in MPOS machine pre-
The MPOS machine public key and MPOS machine private key pair and server public key of configuration, server memory contain the server public key of pre-configuration
With privacy key pair and MPOS machine public key.Specifically, MPOS machine and intelligent terminal are by bluetooth connection, intelligent terminal includes
Mobile phone or tablet computer etc., and pass through application APP and the Server remote of bank or third party's acquirer on intelligent terminal
Communication.MPOS machine public key and MPOS machine private key pair and server public key and privacy key are asymmetric to international RSA is all made of
Encryption Algorithm obtains, and the reliable and secure rank of algorithm is high, and further, MPOS machine public key and server public key are all made of digital certificate
Form stored and exchanged transmission.
Step S200, the transaction request responded between MPOS machine and server carries out two-way authentication, and two-way authentication includes
The first authentication information for using MPOS machine private key signature is sent to server by MPOS machine, and server uses MPOS machine public key verifications
No legal complete to use that privacy key signs to the certification of MPOS machine and server the of the signature of first authentication information
Two authentication informations are sent to MPOS machine, and MPOS machine verifies the whether legal completion of signature of the second authentication information using server public key
Certification to server.First authentication information and the second authentication information can use identical or different authentication data, can make
With the such as data informations such as MPOS machine ID, random number.
Step S300, after two-way authentication passes through, server generates working key and encryption key, symmetrical using encryption key
Cryptographic work key generates working key ciphertext, encryption key ciphertext is generated using MPOS machine public key encryption encryption key, by work
Make key ciphertext and the encapsulation of encryption key ciphertext is generated digital envelope and is sent to MPOS machine after being signed using privacy key.
The composition form of digital envelope is as shown in Fig. 2, digital envelope uses PKI mechanism, using two layers of encryption system, by non-
The 3DES algorithm of symmetric cryptography RSA Algorithm and symmetric cryptography is generated by server in conjunction with to realize, working key and is encrypted close
Key is all made of random number key, can be generated by random number generator, and digital envelope length is using low byte in preceding format, encryption
The signature of key ciphertext and digital envelope is 128 bytes, and encryption key is to data all in digital envelope by service
Device is signed, and even identical content, the secure digital envelope that server generates each equipment is different
's.
Further, working key includes PIN key, MAC key or TC key.Generally, on each MPOS machine
Work female key there are three retaining on secure storage module: PIN key, MAC key or TC key, and three female keys can pass through
Digital envelope carries out on-demand update.PIN key is used to encrypt magnetic track information and PIN data block, for 55 domains of IC card transaction, IC
Data etc. are also encrypted using PIN key, and when use needs to carry out hash three times to BankID, PSAMID and random number to be used
In the key to PIN and magnetic track information encryption.MAC key is used to calculate MAC to transaction message relevant field, prevents data from being usurped
Change, i.e. MAC verification (calculating MAC to the amount of money, card magnetic etc.) key, when use needs to carry out three to BankID, PSAMID and random number
Secondary hash obtains the key for calculating MAC.TC key will on intelligent terminal apply APP, for computational intelligence terminal with
The MAC value of the data of MPOS machine communication, carries out data integrity protection, by preceding 8 bytes of TC key and rear 8 words when use
Exclusive or one by one is saved, the MAC key of 8 bytes is obtained, then carries out DES ecb mode encryption, encryption knot with MAC data key
Preceding 4 bytes of fruit are as MAC.
Step S400, whether MPOS machine is legal using the signature of server public key verifying digital envelope, after being verified, makes
Encryption key is obtained with the encryption key ciphertext in MPOS private key decryption digital envelope, using in encryption key decryption digital envelope
Working key ciphertext obtain and working key and save.Thus the update that new working key realizes working key is generated, is saved
Working key can provide data protection and encryption and decryption for subsequent process of exchange.
The two-way authentication method of commerce of a kind of the MPOS machine and server of the present embodiment, using pair of MPOS machine and server
To ID authentication mechanism, working key, transaction with higher are updated by way of two-way authentication is after using data envelope
Safety effectively prevent sensitive information during financial transaction to be obtained by other people or the problem of leakage.
Embodiment 2
Corresponding with above-described embodiment 1, the present embodiment proposes the two-way authentication transaction of a kind of MPOS machine and server
System, system include server, intelligent terminal and MPOS machine.
Server includes:
Server key memory module, for storing the server public key being pre-configured and privacy key pair and MPOS machine
Public key；
Server authentication module receives MPOS machine to service for responding the transaction request between MPOS machine and server
The first authentication information using MPOS machine private key signature that device is sent, and letter is authenticated using the MPOS machine public key verifications first of storage
Certification of the whether legal completion of the signature of breath to MPOS machine；
Digital envelope generation module is worked for generating working key and encryption key using encryption key symmetric cryptography
Key generates working key ciphertext, generates encryption key ciphertext using MPOS machine public key encryption encryption key, and working key is close
Text and the encapsulation of encryption key ciphertext are generated digital envelope and are sent to MPOS machine after being signed using privacy key.
Intelligent terminal includes:
Intelligent terminal bluetooth module, the bluetooth connection for MPOS machine and intelligent terminal；
Network connection using APP, for intelligent terminal and server.
MPOS machine includes:
MPOS machine cipher key storage block, for storing the MPOS machine public key being pre-configured and MPOS machine private key pair and server
Public key；
MPOS machine bluetooth module, the bluetooth connection for MPOS machine and intelligent terminal；
MPOS machine authentication module receives server to MPOS for responding the transaction request between MPOS machine and server
The second authentication information signed using privacy key that machine is sent, and use the server public key of storage verifying the second certification letter
Certification of the whether legal completion of the signature of breath to server；
Digital envelope deciphering module verifies number using server public key for receiving the digital envelope of server transmission
Whether the signature of envelope is legal, after being verified, is added using the encryption key ciphertext in MPOS private key decryption digital envelope
Key obtains working key using the working key ciphertext in encryption key decryption digital envelope and saves.
Function performed by each component in the two-way authentication transaction system of a kind of MPOS machine and server provided in this embodiment
It can elaborate in the two-way authentication method of commerce of a kind of MPOS machine and server provided by the embodiment 1, this
In will not be described in great detail.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. the two-way authentication method of commerce of a kind of MPOS machine and server, which is characterized in that the described method includes:
MPOS machine is established telecommunication with server by intelligent terminal and is connect, and the MPOS of pre-configuration is stored in the MPOS machine
Machine public key and MPOS machine private key pair and server public key, the server memory contain pre-configuration the server public key and
Privacy key pair and the MPOS machine public key；
It responds the transaction request between MPOS machine and server and carries out two-way authentication, the two-way authentication includes that the MPOS machine will
It is sent to server using the first authentication information of the MPOS machine private key signature, the server uses the MPOS machine public key
The no legal completion of signature for verifying first authentication information will use the clothes to the certification of MPOS machine and the server
Second authentication information of business device private key signature is sent to MPOS machine, and the MPOS machine verifies described the using the server public key
Certification of the whether legal completion of the signature of two authentication informations to server；
After two-way authentication passes through, server generates working key and encryption key, works using described in encryption key symmetric cryptography
Key generates working key ciphertext, encryption key ciphertext is generated using encryption key described in the MPOS machine public key encryption, by institute
It states working key ciphertext and the encapsulation of encryption key ciphertext is generated digital envelope and is sent to after being signed using the privacy key
MPOS machine；
Whether the MPOS machine is legal using the signature that the server public key verifies the digital envelope, after being verified, makes
The encryption key ciphertext in the digital envelope, which is decrypted, with the MPOS private key obtains the encryption key, it is close using the encryption
Key decrypts the working key ciphertext in the digital envelope and obtains the working key and save.
2. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
Working key includes PIN key, MAC key or TC key.
3. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
MPOS machine public key and MPOS machine private key pair and server public key and privacy key are obtained to RSA rivest, shamir, adelman is all made of
?.
4. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
Symmetric cryptography uses 3DES symmetric encipherment algorithm.
5. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
The form that MPOS machine public key and server public key are all made of digital certificate is stored and transmitted.
6. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
Working key and encryption key are all made of random number key.
7. the two-way authentication method of commerce of a kind of MPOS machine and server according to claim 1, which is characterized in that described
Intelligent terminal includes mobile phone or tablet computer.
8. the two-way authentication transaction system of a kind of MPOS machine and server, which is characterized in that the system comprises servers, intelligence
Terminal and MPOS machine；
The server includes:
Server key memory module, it is public for storing the server public key being pre-configured and privacy key pair and MPOS machine
Key；
Server authentication module receives MPOS machine and sends out to server for responding the transaction request between MPOS machine and server
The first authentication information using MPOS machine private key signature sent, and first recognize described in the MPOS machine public key verifications using storage
Demonstrate,prove certification of the whether legal completion of signature of information to MPOS machine；
Digital envelope generation module works for generating working key and encryption key using described in encryption key symmetric cryptography
Key generates working key ciphertext, encryption key ciphertext is generated using encryption key described in the MPOS machine public key encryption, by institute
It states working key ciphertext and the encapsulation of encryption key ciphertext is generated digital envelope and is sent to after being signed using the privacy key
MPOS machine；
The intelligent terminal includes:
Intelligent terminal bluetooth module, the bluetooth connection for the MPOS machine and intelligent terminal；
Network connection using APP, for the intelligent terminal and server；
The MPOS machine includes:
MPOS machine cipher key storage block, it is public for storing the MPOS machine public key being pre-configured and MPOS machine private key pair and server
Key；
MPOS machine bluetooth module, the bluetooth connection for the MPOS machine and intelligent terminal；
MPOS machine authentication module receives server and sends out to MPOS machine for responding the transaction request between MPOS machine and server
The second authentication information signed using privacy key sent, and recognized using the server public key of storage verifying described second
Demonstrate,prove certification of the whether legal completion of signature of information to server；
Digital envelope deciphering module, the digital envelope sent for receiving the server, is verified using the server public key
Whether the signature of the digital envelope is legal, after being verified, decrypts adding in the digital envelope using the MPOS private key
Key ciphertext obtains the encryption key, is obtained using the working key ciphertext in digital envelope described in the encryption key decryption
It obtains the working key and saves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910313797.3A CN110046906A (en) | 2019-04-18 | 2019-04-18 | A kind of the two-way authentication method of commerce and system of MPOS machine and server |
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| CN201910313797.3A CN110046906A (en) | 2019-04-18 | 2019-04-18 | A kind of the two-way authentication method of commerce and system of MPOS machine and server |
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| CN201910313797.3A Pending CN110046906A (en) | 2019-04-18 | 2019-04-18 | A kind of the two-way authentication method of commerce and system of MPOS machine and server |
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| CN111192050A (en) * | 2019-12-31 | 2020-05-22 | 成都库珀区块链科技有限公司 | Digital asset private key storage and extraction method and device |
| CN113179240A (en) * | 2020-09-28 | 2021-07-27 | 深圳华智融科技股份有限公司 | Key protection method, device, equipment and storage medium |
| CN113301561A (en) * | 2021-05-25 | 2021-08-24 | 深圳新闻网传媒股份有限公司 | Method and system for protecting integrity of online interaction information |
| CN116982288A (en) * | 2022-07-04 | 2023-10-31 | 嘉兴倍创网络科技有限公司 | Point-to-point secure communication method for Internet of things |
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Application publication date: 20190723 |