Identity validity verification method, apparatus and system

1. An identity validity verification method, applied to an electronic terminal in communication with an access control system, wherein the method comprises:

acquiring biometric feature data;

generating an electronic private key based on the biometric feature data; and

sending the electronic private key to the access control system to make the access control system carries out identity validity verification based on the electronic private key,

wherein the generating an electronic private key based on the biometric feature data comprises:

establishing a function mapping relationship between the biometric feature data and a first array comprising a plurality of character strings; and

sorting the plurality of character strings and reading the character strings by using a time pointer and using the read character strings as the electronic private key, or transforming the read character strings and using the transformed character strings as the electronic private key.

2. The method according to claim 1 , wherein the acquiring biometric feature data comprises: acquiring the biometric feature data by using a biometric feature acquisition module arranged on the electronic terminal.

3. The method according to claim 2 , wherein the biometric feature acquisition module is a biometric feature acquisition module based on optical sensing, and correspondingly the biometric feature data is biometric feature image data.

4. The method according to claim 2 , wherein the biometric feature acquisition module is a biometric feature acquisition module based on electric field sensing, and correspondingly the biometric feature data is biometric feature electric field data.

5. The method according to claim 1 , wherein prior to the acquiring biometric feature data, the method further comprises:

paring with a wireless communication module of the access control system when the wireless communication module of the access control system is detected within an effective communication distance.

6. The method according to claim 1 , wherein the generating an electronic private key based on the biometric feature data comprises:

generating effective biometric feature data based on the biometric feature data, and generating the electronic private key based on the effective biometric feature data.

7. The method according to claim 1 , wherein the sending the electronic private key to the access control system comprises: sending the electronic private key to the access control system via Bluetooth.

8. An identity validity verification method, applied to an access control system in communication with an electronic terminal, wherein the method comprises:

receiving an electronic private key sent by the electronic terminal; and

paring the electronic private key with a pre-stored electronic public key to carry out identity validity verification, wherein the private key is generated based on biometric feature data collected by the electronic terminal,

wherein the electronic public key is generated by:

establishing a function mapping relationship between the biometric feature data and a second array comprising a plurality of character strings after the electronic terminal acquires the biometric feature data; and

sorting the plurality of character strings and reading the character strings by using a time pointer, and using the read character strings as the electronic public key, or transforming the read character strings and using the transformed character strings as the electronic public key.

9. The method according to claim 8 , wherein prior to the receiving an electronic private key sent by the electronic terminal, the method further comprises:

receiving an electronic public key sent by the electronic terminal, and storing the electronic public key.

10. The method according to claim 8 , wherein the paring the electronic private key with a pre-stored electronic public key comprises:

generating a paring credential based on the electronic private key and the pre-stored electronic public key; and

verifying the paring credential based on a predefined credential verification rule to carry out the identity validity verification.

11. An identity validity verification apparatus, applied to an electronic terminal in communication with an access control system, wherein the apparatus comprises:

a biometric feature acquisition module, configured to acquire biometric feature data;

a first processing module, configured to generate an electronic private key based on the biometric feature data; and

a first communication module, configured to send the electronic private key to the access control system to make the access control system carries out identity validity verification based on the electronic private key,

wherein the first processing module comprises:

an establishing submodule, configured to establish a function mapping relationship between the biometric feature data and a first array comprising a plurality of character strings; and

a selecting submodule, configured to sort the plurality of character strings and read the character strings by using a time pointer, and use the read character strings as the electronic private key, or transform the read character strings and use the transformed character strings as the electronic private key.

12. The apparatus according to claim 11 , wherein the biometric feature acquisition module is a biometric feature acquisition module based on optical sensing, and correspondingly the biometric feature data is biometric feature image data.

13. The apparatus according to claim 11 , wherein the biometric feature acquisition module is a biometric feature acquisition module based on electric field sensing, and correspondingly the biometric feature data is biometric feature electric field data.

14. The apparatus according to claim 11 , wherein the first communication module is further configured to: pare with a wireless communication module of the access control system when the wireless communication module of the access control system is detected within an effective communication distance.

15. The apparatus according to claim 11 , wherein the first processing module is further configured to: generate effective biometric feature data based on the biometric feature data, and generate the electronic private key based on the effective biometric feature data.

16. The apparatus according to claim 11 , wherein the first communication module is a Bluetooth chip, wherein the Bluetooth chip is configured to send the electronic private key to the access control system.