Electronic transaction security system and method
First Claim
1. A computerized method for generating a time-limited number for use in a payment card transaction involving a payment card issued to a user by a financial institution, wherein the payment card comprises an original payment card number, the method comprising the steps of:
- providing to a processor a first plurality of digits of the original payment card number, wherein the first plurality of digits are predetermined digits associated with the financial institution;
providing to the processor a desired expiration date through which the time-limited number is valid for acceptance in the payment card transaction; and
executing a program by the processor so that the program;
sets a first plurality of digits in the time-limited number to the first plurality of digits in the original payment card number,generates a first number corresponding to the desired expiration date;
sets a second plurality of digits in the time-limited number to the first number; and
outputs the time-limited number.
1 Assignment
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Accused Products
Abstract
A computerized method for generating a time-limited number for use in a payment card transaction involving a payment card issued to a user by a financial institution. The payment card comprises an original payment card number. The method comprises the steps of providing to a processor a first plurality of digits of the original payment card number, where the first plurality of digits are predetermined digits associated to the financial institution, providing to the processor a desired expiration date through which the time-limited number is valid for acceptance in the payment card transaction, and executing a program by the processor so that the program sets a first plurality of digits in the time-limited number to the first plurality of digits in the original payment card number, generates a first number corresponding to the desired expiration date, sets a second plurality of digits in the time-limited number to the first number, and outputs the time-limited number.
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Citations
23 Claims
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1. A computerized method for generating a time-limited number for use in a payment card transaction involving a payment card issued to a user by a financial institution, wherein the payment card comprises an original payment card number, the method comprising the steps of:
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providing to a processor a first plurality of digits of the original payment card number, wherein the first plurality of digits are predetermined digits associated with the financial institution; providing to the processor a desired expiration date through which the time-limited number is valid for acceptance in the payment card transaction; and executing a program by the processor so that the program; sets a first plurality of digits in the time-limited number to the first plurality of digits in the original payment card number, generates a first number corresponding to the desired expiration date; sets a second plurality of digits in the time-limited number to the first number; and outputs the time-limited number. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for enhancing the security of a payment card transaction involving a payment card number assigned to a user account by a financial institution, the method comprising the steps of:
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generating a time-limited number comprising a first plurality of digits in the time-limited number associated to the financial institution and a second plurality of digits in the time-limited number set to a first number corresponding to a desired expiration date, wherein the time-limited number is not associated with the user account; transmitting the time-limited number and data representative of the user account other than the payment card number to the financial institution; locating the user account based on the data; and validating the time-limited number for the transaction based on the digits indicating the expiration date and the data. - View Dependent Claims (22)
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23. A system for generating a time-limited number for use in a payment card transaction involving a payment card issued to a user by a financial institution, wherein the payment card comprises an original payment card number, the system comprising:
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a processing device; and a medium accessible by the processing device comprising instructions when executed by the processing device cause the processing device to perform the steps of; setting a first plurality of digits in the time-limited number, wherein the first plurality of digits are predetermined digits associated to the financial institution; generating a first number corresponding to a desired expiration date through which the time-limited number is valid for acceptance in the payment card transaction; setting a second plurality of digits in the time-limited number to the first number; and outputting the time-limited number.
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Specification