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A POS machine signature verification method and system

A signature verification and POS machine technology, which is applied in the POS machine signature verification method and system field, can solve the problems of high-cost software use and high maintenance costs, and achieve the effect of providing security and eliminating the abuse of signature files

Active Publication Date: 2021-09-21
SHENZHEN XINGUODU PAYMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to existing software problems or program software upgrades, it is often necessary to upgrade the software. The current method is to sign the new software and send the signature file to technical support for manual software upgrades. The maintenance cost is very high.
In addition, for software versions with major security risks, once the signed software package is distributed to users, it will be impossible (or costly) to control the use of the software by users, so it is necessary to implement non-manual methods. Ways of identifying

Method used

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  • A POS machine signature verification method and system
  • A POS machine signature verification method and system
  • A POS machine signature verification method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment provides as figure 1 A POS machine signature verification method shown includes steps: S1, establish a connection between the POS terminal and the signature background; S2, the POS terminal submits an ID confirmation to the signature background; S3, confirms that the signature background completes and submits a certificate confirmation to the POS terminal; S4 , the POS terminal completes the confirmation and generates confirmation information, the confirmation information includes random numbers and hardware information; S5, the signature terminal processes the confirmation information to output the software package including the signature file; S6, the POS terminal processes the software package according to the validity of the signature file and deletes random number.

[0025] Among them, the certificate confirmation is the confirmation of the digital certificate, and the software package is the data package / installation package suitable for the POS te...

Embodiment 2

[0027] This embodiment provides as figure 2 The schematic diagram of the verification process shown includes steps:

[0028] 1. The web terminal initiates a connection, two-way authentication request, 2. The POS terminal outputs the identity information of the terminal, 3. The background of the signature system (that is, the signature background) obtains the identity information of the terminal, 5. The background of the signature system outputs the identity information of the background, 6. The web terminal The background identity information is transmitted to the POS terminal. 7. The POS terminal verifies the legitimacy of the background and generates a random number. 8. The POS terminal sends out the unique hardware information of the terminal, a random number. 9. The web terminal sends the unique hardware information of the (POS) terminal, randomly 10. The signature background will add hardware information and random numbers to the file to be signed. 11. The signature back...

Embodiment 3

[0030] This embodiment provides as image 3 The schematic diagram of the background workflow of the signature is shown:

[0031] Receive (POS) terminal authentication data (that is, ID confirmation); when the terminal is illegal, return illegal information, and when the terminal is legal, send background authentication information (that is, certificate confirmation information) to the (POS) terminal; obtain terminal hardware information, random number ;(According to the preset signature format) Fill the specified data in the signature format; Calculate the hash value of the filled data; Use the private key (based on the RSA algorithm) to sign; (According to the preset signature format) Combine various data to generate a signature file; send the signed file to the POS terminal.

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PUM

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Abstract

The invention discloses a signature verification method and system of a POS machine. The method includes: establishing a connection between a POS terminal and a signature background; the POS terminal submits an ID confirmation to the signature background; And generate confirmation information; the signature terminal processes the confirmation information to output the software package; the POS terminal processes the software package and deletes the random number according to the legitimacy of the signature file. The system is used to execute the method. The invention establishes a unique inspection path through random numbers and hardware information, can eliminate the problem of abuse of signature files through single use of random numbers, and provides security for POS machine verification / upgrade.

Description

technical field [0001] The invention relates to the technical field of POS machine security, in particular to a POS machine signature verification method and system. Background technique [0002] The security of the current POS terminal signature mechanism only depends on the security of the signed private key, and a signed program is applicable to all terminals of the same model (or applicable to all terminals of the same model and the same customer). That is, a signed program or file can be downloaded to multiple terminals. [0003] However, due to existing software problems or program software upgrades, it is often necessary to upgrade the software. The current method is to sign the new software and send the signature file to technical support for manual software upgrades. The maintenance cost is very high. In addition, for software versions with major security risks, once the signed software package is distributed to users, it will be impossible (or costly) to control t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q20/40G06Q20/38
Inventor 林晖杨星倪丽娜
Owner SHENZHEN XINGUODU PAYMENT TECH CO LTD
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