Working method of dynamic token

• US 9,781,104 B2
• Filed: 03/18/2014
• Issued: 10/03/2017
• Est. Priority Date: 05/15/2013
• Status: Active Grant

• Current Assignee: Feitian Technologies Company Limited
• Original Assignee: Feitian Technologies Company Limited
• Inventors: Lu, Zhou, Yu, Huazhang
• Primary Examiner(s): BROWN, ANTHONY D
• Application Number:
  US14/777,768
• Publication Number:
  US 20160301687A1
• Time in Patent Office: 1,295 Days
• Field of Search: 726 6
• CPC Class Codes: G06F 21/335 for accessing specific resources, e.g. using Kerberos tickets
• CPC Class Codes: G06F 2221/2141 Access rights, e.g. capability lists, access control lists, access tables, access matrices
• CPC Class Codes: G06F 2221/2147 Locking files
• CPC Class Codes: H04L 63/067 using one-time keys cryptographic mechanisms or cryptographic arrangements for generation of one-time passwords H04L9/0863
• CPC Class Codes: H04L 63/0838 using one-time-passwords
• CPC Class Codes: H04L 9/3228 One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/50 Secure pairing of devices
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

Disclosed is a working method of a dynamic token. The present invention relates to the field of communications. The method comprises: when a token is awakened, the awakening identification type at a flag bit is determined; if the type is a key awakening identification, the key value is detected, and a corresponding operation is performed according to the key pressed; if the type is a Bluetooth data awakening identification, Bluetooth data is received, and when the Bluetooth data has been received, the Bluetooth data is stored in a received data temporary storage region, and the Bluetooth data awakening identification is reset; if the type is Bluetooth connection awakening identification, that Bluetooth has been connected is displayed, and after fourth preset period has passed, the screen is cleared, and the Bluetooth connection awakening identification is reset; if the type is Bluetooth disconnection awakening identification, that Bluetooth has been disconnected is displayed, the received data temporary storage region is cleared, and the Bluetooth disconnection awakening identification is reset; and if the type is an awakening identification of other types, a corresponding operation according to the awakening identification is performed.

Claims

1. A method comprising:

determining, by a dynamic token that is implemented by a microprogrammed control unit configured to execute instructions stored in a memory, a type of set wake identification, wherein the type of set wake identification is one of a key wake identification, a Bluetooth connection wake identification, a Bluetooth data wake identification, and a Bluetooth disconnection wake identification;

in response to the dynamic token determining that the set wake identification is the key wake identification;

obtaining, by the dynamic token, a key value of a triggered key, wherein the key value of the triggered key is one of a power key, a number key, an OK key, and a Delete key;

determining, by the dynamic token and in response to the key value of the triggered key being the power key, a system state identification, wherein the system state identification is one of a power-off identification, a challenge code input identification, a Bluetooth OTP identification, and an else condition;

determining, in response to the system state identification being a power-off identification, whether a work voltage of a Bluetooth module is lower than a preset voltage;

providing, in response to the work voltage of the Bluetooth module being lower than the preset voltage, a prompt that the work voltage of the Bluetooth module is low and setting the system state identification as the challenge code input identification;

setting, in response to the work voltage of the Bluetooth module not being lower than the preset voltage, the system state identification to the Bluetooth OTP identification and powering up the Bluetooth module;

setting, in response to the system state identification not being a power-off identification, the system state identification as a power off identification, clearing data in a key data buffer and powering off the Bluetooth module;

storing, in response to the triggered key being a number key, the number corresponding to the key value in a key data buffer;

determining, in response to the triggered key being the OK key, whether the Bluetooth data receiving completion identification is set;

in response to the Bluetooth data receiving the completion identification being set;

generating a dynamic factor based on at least one of the data in the data receiving buffer and a basic factor of the dynamic token;

computing a dynamic password based on the dynamic factor; and

returning the dynamic password to an upper computer;

in response to the Bluetooth data receiving the completion identification not being set and data existing in the key data buffer;

generating the dynamic factor based on the basic factor;

computing the dynamic password based on the dynamic factor; and

returning the computed dynamic password to an upper computer;

storing, in response to the triggered key being the Delete key, the system state identification as the challenge code input identification; and

resetting, by the dynamic token, the key wake identification.

2. The method of claim 1, wherein:

returning the computed dynamic password to the upper computer comprises at least one of displaying the dynamic password via a LCD screen and returning the dynamic password to the upper computer via the Bluetooth module.

3. The method of claim 1, wherein the basic factor comprises a time factor and an event factor.

4. The method of claim 1 further comprising:

in response to the work voltage of the Bluetooth module being greater than or equal to the preset voltage;

providing power to the Bluetooth module;

setting the system state identification as the Bluetooth OTP identification; and

setting the Bluetooth module to a monitoring mode; and

in response to the system state not being the power-off identification;

setting the system state identification as the power-off identification; and

clearing data in the key data buffer.

5. The method of claim 1 further comprising:

determining, in response to the triggered key being the OK key, whether data exists in the key data buffer;

clearing, in response to the triggered key being the Delete key, data in the key data buffer;

in response to data existing in the key data buffer;

generating a dynamic factor based on at least one of the data in the key data buffer and the basic factor of the dynamic token;

computing a dynamic password based on the dynamic factor; and

displaying the dynamic password; and

in response to data not existing in the key data buffer;

generating a dynamic factor based on the basic factor of the dynamic token;

computing a dynamic password based on the dynamic factor; and

displaying the dynamic password.

6. The method of claim 1 further comprising:

performing a password checking operation, wherein the password checking operation includes;

determining, by the dynamic token, the key value of the triggered key;

in response to the triggered key being a number key and a length of the key data is less than a preset length;

storing key data corresponding to the number key in the key data buffer;

displaying a password checking interface; and

quitting the password checking operation;

in response to one of the triggered key not being a number key and the length of the key data being greater than or equal to the preset length;

performing a corresponding operation based on the key value of the triggered key; and

quitting the password checking operation;

determining, in response to the key value of the triggered key being an OK key, whether the password in the key data buffer is correct;

in response to the password in the key data buffer being correct;

providing a prompt that the password is correct, clearing password failure times;

delaying a fourth preset time;

clearing the key data buffer; and

determining that the password is correct;

in response to the password in the key data buffer being incorrect;

adding 1 to the number of the password failure times;

displaying a password failure interface;

delaying the fourth preset time;

determining, whether the number of the password failure times is equal to a number of preset times;

in response to the number of the password failure times being equal to the number of present time;

clearing the key data buffer;

in response to the number of the password failure times not being equal to the number of preset times;

displaying the password interface; and

determining, in response to the password checking operation determining that the password is correct, whether a work voltage of the Bluetooth module is lower than a preset voltage.

7. The method of claim 1, wherein clearing data in the key data buffer if the triggered key is a Delete key comprises:

determining whether a duration of pressing the Delete key reaches a preset duration;

determining, in response to the duration of pressing the Delete key reaches the preset duration, whether data exist in the key data buffer;

displaying, in response to no data existing in the key data buffer, a menu interface, storing the system state identification as a menu function selection identification;

clearing, in response to data existing in the key data buffer, the key data buffer;

displaying, in response to the data existing in the key data buffer, a challenge code information input interface;

determining, in response to the duration of pressing the Delete key not reaching the preset duration, whether data exist in the key data buffer;

clearing, in response to data existing in the key data buffer, a last stored key value in the key data buffer; and

displaying the data in the key data buffer.

8. The method of claim 1, wherein the basic factor is a time factor, and the method further comprises:

updating, by the dynamic token and in response to detecting a timer interrupt, a time factor;

setting, by the dynamic token and in response to detecting the timer interrupt, a timer wake identification; and

in response to determining that the set wake identification is the timer wake identification;

determining, using the dynamic token, whether the system state identification is a Bluetooth OTP identification;

adding, in response to the system state identification being the Bluetooth OTP identification, 1 to a count value of a Bluetooth mode counter;

setting, in response to the system state identification not being the Bluetooth OTP identification, an initial count value of the Bluetooth mode counter to 0;

determining, using the dynamic token and in response to the system state identification being the Bluetooth OTP identification, whether the count value of the Bluetooth mode counter is less than a first preset value;

setting the count value of the Bluetooth mode counter to 0;

clearing the data receiving buffer;

powering off the Bluetooth module;

displaying a challenge code information input interface;

storing the system state identification as a challenge code input identification;

outputting, in response to the count value of the Bluetooth mode counter being less than a first present value and using an LCD screen, information corresponding to the work voltage being low and instructing an operator to recharge;

determining, using the dynamic token, whether the system state identification is a challenge code input identification;

adding, using the dynamic token and in response to (i) the system state identification not being the Bluetooth OTP identification and (ii) the system state identification being a challenge code input identification, 1 to a count value of a no-key-press counter, wherein an initial value of the no-key-press counter is 0;

determining, using the dynamic token, whether the count value of the no-key-press counter is less than a second preset value;

in response to the count value of the no-key-press counter not being less than the second preset value;

setting, using the dynamic token, the count value of the no-key-press counter to 0;

storing, using the dynamic token, the system state identification as a power-off identification; and

clearing, using the dynamic token, the key data buffer; and

resetting, using the dynamic token and in response to (i) the system state identification not being a challenge code input identification and (ii) the count value of the no-key-press counter being less than the second preset value, the timer wake identification.

9. The method of claim 1 further comprising, in response to the set wake identification being the Bluetooth connection wake identification:

setting, using the dynamic token, the Bluetooth module to a monitoring mode; and

resetting, using the dynamic token, a Bluetooth connection wake identification, wherein the Bluetooth connection wake identification is configured to be set by the dynamic token when the dynamic token detects a Bluetooth connection interrupt.

10. The method of claim 1 further comprising, in response to the set wake identification being the Bluetooth disconnection wake identification:

clearing, using the dynamic token, the data receiving buffer; and

resetting, using the dynamic token, a Bluetooth disconnection wake identification, wherein the Bluetooth disconnection wake identification is configured to be set by the dynamic token when the dynamic token detects a Bluetooth disconnection interrupt.

11. The method of claim 1 further comprising, in response to the set wake identification being the Bluetooth connection wake identification:

receiving, using the dynamic token, Bluetooth data;

storing, using the dynamic token, the Bluetooth data into a data receiving buffer;

setting, using the dynamic token, a Bluetooth data receiving completion identification; and

resetting, using the dynamic token, a Bluetooth data wake identification, wherein the Bluetooth data wake identification is configured to be set by the dynamic token when the dynamic token detects a Bluetooth data interrupt.

12. The method of claim 1 further comprising:

detecting a system state identification;

performing a menu function selection operation, wherein the menu function selection operation comprises;

detecting a key value;

in response to the key value corresponding to a value of an OK key, determining a selected function;

in response to the key value corresponding to a value of an else key, performing a corresponding operation based on the else key value, wherein the else key value includes a key value of a right key and a key value of a left key;

in response to a selection function corresponding to the Bluetooth OTP, (i) powering up the Bluetooth module, (ii) displaying a Bluetooth OTP interface, and (iii) storing the system state identification as a Bluetooth OTP identification;

reading a Bluetooth module parameter;

determining whether the reading the Bluetooth module parameter is successful;

in response to determining reading the Bluetooth parameter is successful, setting the Bluetooth module to a monitoring mode and quitting the menu function selection operation;

in response to determining reading the Bluetooth parameter is not successful, adding 1 to a number of times of reading a Bluetooth module parameter;

determining whether the number of the times of reading the Bluetooth module parameter reaches a sixth preset value; and

in response to the number of times of reading the Bluetooth parameter reaches the sixth preset value, providing a prompt that the Bluetooth module is broken.

13. A method comprising:

determining, by a dynamic token that is implemented by a microprogrammed control unit configured to execute instructions stored in a memory, a key value of a triggered key, wherein the key value of the triggered key is one of a power key, an OK key, and a Delete key;

determining, by the dynamic token and in response to the key value of the triggered key being the power key, a system state identification, wherein the system state identification is one of a power-off identification, a challenge code input identification, a Bluetooth OTP identification, and an else condition;

in response to the triggered key being the power key;

determining, using the dynamic token and in response to the system state identification being the power-off identification, whether a work voltage of a Bluetooth module is less than a preset voltage;

providing, in response to the work voltage of the Bluetooth module being lower than the preset voltage and the system state identification being the power-off identification, a prompt that the work voltage of the Bluetooth module is low; and

setting the Bluetooth module to a monitoring mode in response to the work voltage of the Bluetooth module not being lower than the preset voltage;

storing, in response to the system state identification not being a power-off identification, the system state identification as a power-off identification, clearing the data in the key data buffer, powering off the Bluetooth module, and the dynamic token sleeping;

in response to the system state identification being the challenge code input identification and the triggered key not being the power key;

storing, in response to the trigger key being a number key, a number corresponding to the key value in a key data buffer;

generating, in response to the trigger key being an OK key, a dynamic factor based on at least one of data in the key data buffer and a basic factor of the dynamic token;

computing a dynamic password based on the dynamic factor;

in response to the system state identification being the Bluetooth OTP identification and the triggered key not being the power key;

storing, in response to the triggered key being a number key, the number corresponding to the key value in the key data buffer;

determining, in response to the triggered key being an OK key, whether a Bluetooth data receiving completion identification is set;

in response to the Bluetooth data receiving the completion identification being set;

generating a dynamic factor based on at least one of the data in the data receiving buffer and the basic factor of the dynamic token;

computing the dynamic password based on the dynamic factor; and

returning the computed dynamic factor to an upper computer; and

in response to the Bluetooth data receiving the completion identification not being set and data existing in the key data buffer;

generating the dynamic factor based on at least one of the data in the key data buffer and the basic factor of the dynamic token as the dynamic factor;

computing the dynamic password according to the dynamic factor; and

displaying the dynamic factor.

14. The method of claim 13, wherein:

returning the dynamic password to the upper computer comprises at least one of displaying the dynamic password via a LCD screen and returning the dynamic password to the upper computer via the Bluetooth module.

15. The method of claim 13, wherein the basic factor comprises at least one of a time factor and an event factor.

16. The method of claim 13 further comprising, in response to the Bluetooth data receiving the completion identification not being set and data existing in the key data buffer:

generating the dynamic factor based on at least one of the data in the data receiving buffer and the basic factor of the dynamic token;

computing the dynamic password based on the dynamic factor; and

returning the computed dynamic password to an upper computer.

17. The method of claim 13 further comprising providing power to the Bluetooth module in response to the work voltage of the Bluetooth module not being lower than the preset voltage.

18. The method of claim 13 further comprising:

storing the system state identification as a challenge code input identification in response to the work voltage of the Bluetooth module being lower than the preset voltage for a first preset duration; and

storing the system state identification as a Bluetooth OTP identification in response to the work voltage of the Bluetooth module not being lower than the preset voltage.

19. The method of claim 13, wherein determining whether a work voltage of the Bluetooth module is lower than the preset voltage further comprises performing a password checking operation, wherein the password checking operation includes:

determining, by the dynamic token, the key value of the triggered key;

in response to the triggered key being a number key and a length of the key data is less than a preset length;

storing key data corresponding to the number key in the key data buffer;

displaying a password checking interface; and

quitting the password checking operation;

in response to one of the triggered key not being a number key and not being an OK key;

performing a corresponding operation based on the key value of the triggered key; and

quitting the password checking operation;

determining, in response to the key value of the triggered key being an OK key, whether the password in the key data buffer is correct;

in response to the password in the key data buffer being correct;

providing a prompt that the password is correct, clearing password failure times;

delaying a fourth preset time;

clearing the key data buffer; and

determining that the password is correct;

in response to the password in the key data buffer being incorrect;

adding 1 to the number of the password failure times;

displaying a password failure interface;

delaying the fourth preset time;

determining, whether the number of the password failure times is equal to a number of preset times;

in response to the number of password failure times being equal to the number of preset times;

clearing the key data buffer;

in response to the number of the password failure times not being equal to the number of preset times;

displaying the password interface; and

determining, in response to the password checking operation determining that the password is correct, whether a work voltage of the Bluetooth module is lower than a preset voltage.

20. The method of claim 13, wherein clearing the data in the key data buffer if the triggered key is a Delete key, comprises:

determining whether a duration of pressing the Delete key reaches a preset duration;

determining, in response to the duration of pressing the Delete key reaches the preset duration, whether data exist in the key data buffer;

displaying, in response to data not existing in the key data buffer, a menu interface,

storing, in response to data not existing in the key data buffer, the system state identification as a menu function selection identification;

clearing, in response to data existing in the key data buffer, the key data buffer;

displaying, in response to data existing in the key data buffer, a challenge code information input interface;

determining, in response to the duration of pressing the Delete key not reaching the preset duration, whether data exist in the key data buffer;

clearing, in response to data existing in the key data buffer, a last stored key value in the key data buffer; and

displaying the data in the key data buffer.

21. The method of claim 13, wherein the basic factor is a time factor, and the method further comprises:

updating, by the dynamic token and in response to detecting a timer interrupt, a time factor;

setting, by the dynamic token and in response to detecting the timer interrupt, a timer wake identification; and

in response to determining that the set wake identification is the timer wake identification;

determining, using the dynamic token, whether the system state identification is a Bluetooth OTP identification;

adding, in response to the system state identification being the Bluetooth OTP identification, 1 to a count value of a Bluetooth mode counter;

setting, in response to the system state identification not being the Bluetooth OTP identification, an initial count value of the Bluetooth mode counter to 0;

determining, using the dynamic token and in response to the system state identification being the Bluetooth OTP identification, whether the count value of the Bluetooth mode counter is less than a first preset value;

setting the count value of the Bluetooth mode counter to 0;

clearing the data receiving buffer;

displaying a challenge code information input interface;

storing the system state identification as a challenge code input identification;

outputting, in response to the count value of the Bluetooth mode counter being less than a first present value and using an LCD screen, information corresponding to the work voltage being low and instructing an operator to recharge;

determining, using the dynamic token, whether the system state identification is a challenge code input identification;

adding, using the dynamic token and in response to (i) the system state identification not being the Bluetooth OTP identification and (ii) the system state identification being a challenge code input identification, 1 to a count value of a no-key-press counter, wherein an initial value of the no-key-press counter is 0;

determining, using the dynamic token, whether the count value of the no-key-press counter is less than a second preset value;

in response to the count value of the no-key-press counter not being less than the second preset value;

setting, using the dynamic token, the count value of the no-key-press counter to 0;

storing, using the dynamic token, the system state identification as a power-off identification; and

clearing, using the dynamic token, the key data buffer; and

resetting, using the dynamic token and in response to (i) the system state identification not being a challenge code input identification and (ii) the count value of the no-key-press counter being less than the second preset value, the timer wake identification.

22. The method of claim 13 further comprising:

in response to the dynamic token detecting a Bluetooth data interrupt;

receiving the Bluetooth data;

storing the Bluetooth data in the data receiving buffer; and

setting a Bluetooth data receiving completion identification;

in response to the dynamic token detecting a Bluetooth connection interrupt;

displaying that Bluetooth is connected; and

clearing a screen after a preset time; and

in response to the dynamic token detecting a Bluetooth disconnection interrupt;

clearing the data receiving buffer.

23. The method of claim 13 further comprising:

detecting a system state identification;

performing a menu function selection operation, wherein the menu function selection operation comprises;

detecting a key value;

in response to the key value corresponding to a value of an OK key, determining a selected function;

in response to the key value corresponding to a value of an else key, performing a corresponding operation based on the else key value, wherein the else key value includes a key value of a right key and a key value of a left key;

in response to a selection function corresponding to the Bluetooth OTP, (i) powering up the Bluetooth module, (ii) displaying a Bluetooth OTP interface, and (iii) storing the system state identification as a Bluetooth OTP identification;

reading a Bluetooth module parameter;

determining whether the reading the Bluetooth module parameter is successful;

in response to determining reading the Bluetooth parameter is successful, switching the Bluetooth module into a monitoring mode and quitting the menu function selection operation;

in response to determining reading the Bluetooth parameter is not successful, adding 1 to a number of times of reading a Bluetooth module parameter;

determining whether the number of the times of reading the Bluetooth module parameter reaches a sixth preset value; and

in response to the number of times of reading the Bluetooth parameter reaches the sixth preset value, providing a prompt that the Bluetooth module is broken.