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Method and device for card authentication

An authentication method and a technology of an authentication device, applied in the field of parking lots, can solve the problem that the system security cannot be guaranteed, and achieve the effect of improving the security performance.

Inactive Publication Date: 2016-09-21
SHENZHEN JIESHUN SCI & TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the authentication of the key and algorithm of the non-contact IC card is in the application program, the application program and the algorithm of the secret key must be delivered to the system operator. If there is an attack by the system provider, once the key and the application program are cracked, the entire System security cannot be guaranteed

Method used

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  • Method and device for card authentication
  • Method and device for card authentication
  • Method and device for card authentication

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] figure 1 The implementation flow of a card authentication method provided by the first embodiment of the present invention is shown, and the details are as follows:

[0039] S101, the parking lot reader / writer reads the random number, and sends the read random number to the PSAM card.

[0040] The parking lot reader reads a piece of data as the data for card authentication and identification. For the read data, random data is preferably used as the authentication data. By using random data, the security authentication level of the system can be further improved. When reading After receiving the random number, send the read random number to the PSAM (Purchase Secure Access Module) terminal security control module card.

[0041] S102. The PSAM card encrypts the random number, and sends the encrypted random number to the reader / writer in the yard.

[0042] After the PSAM card obtains the data sent by the parking lot reader, it encrypts the data through the secret key pai...

Embodiment 2

[0047] figure 2 The implementation flow of a card authentication method provided by the second embodiment of the present invention is shown, and the details are as follows:

[0048] S201. The parking lot reader / writer sends an instruction to read a random number to the CPU card, and receives the random number sent by the CPU card.

[0049] When it is detected that there is a PSAM card that needs to be authenticated, first the reader-writer in the parking lot sends a command to read data to the CPU card inside the reader-writer in the parking lot. The read data is preferably random data, which further ensures the security of the entire system. Security level, by sending a command to read random numbers to the CPU card, the CPU card sends a random number to the read-write unit of the parking lot reader, and the read-write unit receives the random data sent by the CPU card.

[0050] S202. The parking lot reader / writer sends the read random number to the PSAM card.

[0051] Whe...

Embodiment 3

[0062] image 3 A structural diagram of a card authentication device provided by the third embodiment of the present invention is shown, and for convenience of description, only parts related to the embodiment of the present invention are shown.

[0063] The random number reading unit 31 is used for the reader / writer at the parking lot to read the random number, and send the read random number to the PSAM card.

[0064] The random number reading unit is used for the reader-writer in the parking lot to read a piece of data as the data for card authentication and identification. Among them, random data is preferably used as the authentication data for the read data. By using random data, the system performance can be further improved. Security certification level, after reading the random number, send the read random number to the PSAM (Purchase Secure Access Module) terminal security control module card.

[0065] The encryption unit 32 is used for the PSAM card to encrypt the ...

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Abstract

The present invention is applicable to the field of parking lots, and provides a card authentication method and device. The method includes the following steps: a parking lot reader-writer reads a random number, and sends the read random number to a PSAM card; The PSAM card encrypts the random number, and sends the encrypted random number to the reader-writer in the parking lot; the reader-writer in the parking lot decrypts and verifies the encrypted random number, and when the verification is successful, the reader-writer in the parking lot The writer obtains the permission to read the PSAM card. The present invention respectively stores the secret key in the PSAM card and the parking lot reader, uses different secret keys to complete the encryption and decryption of random numbers, and completes the identification of the card through the cooperative use of encryption and decryption, providing higher security performance card authentication method.

Description

technical field [0001] The invention belongs to the field of parking lots, in particular to a card authentication method and device. Background technique [0002] The protection of the card key is the key to the safe operation of the parking lot. In existing parking lots, the cards used are usually non-contact IC cards. The usual card key authentication method is to power on the main board, read the key in the hardware dongle or similar memory, and store it in the memory. When a user swipes the card, compare the key in the card with the key in the memory to realize the control and management of the parking lot card. Since the authentication of the key and algorithm of the non-contact IC card is in the application program, the application program and the algorithm of the secret key must be delivered to the system operator. If there is an attack by the system provider, once the key and the application program are cracked, the entire System security cannot be guaranteed. C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07F7/12H04L29/06G06K17/00
Inventor 唐健杨宏卫董俊飞李利杰
Owner SHENZHEN JIESHUN SCI & TECH IND