USER DEFINED UDK
First Claim
Patent Images
1. A server computer comprising:
- a processor; and
a computer readable medium coupled to the processor, wherein the computer readable medium comprises code executable by the processor, the computer readable medium comprising;
code for receiving user input data;
code for forming a concatenated value by concatenating the user input with a data string associated with a portable consumer device; and
code for deriving a user defined key from the concatenated value.
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Abstract
A server computer including a processor and a computer readable medium coupled to the processor. The computer readable medium includes code executable by the processor, where the code includes code for receiving user input, code for forming a concatenated value by concatenating the user input with a data string associated with a portable consumer device, and code for deriving the user defined key from the concatenated value.
46 Citations
20 Claims
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1. A server computer comprising:
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a processor; and a computer readable medium coupled to the processor, wherein the computer readable medium comprises code executable by the processor, the computer readable medium comprising; code for receiving user input data; code for forming a concatenated value by concatenating the user input with a data string associated with a portable consumer device; and code for deriving a user defined key from the concatenated value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for deriving a user defined key, comprising:
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receiving user input data; forming, using a processor, a concatenated value by concatenating the user input with a data string associated with a portable consumer device; and deriving the user defined key from the concatenated value using the processor. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method comprising:
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providing user input data to a service provider; and using a device to conduct a transaction, wherein the portable consumer device comprises a processor; and
a computer readable medium coupled to the processor, wherein the computer readable medium comprises code executable by the processor, the computer readable medium comprising (i) code for receiving user input data, (ii) code for forming a concatenated value by concatenating the user input with a data string associated with a portable consumer device, and (iii) code for deriving a user defined key from the concatenated value. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A portable consumer device comprising:
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a processor; and a computer readable medium coupled to the processor, wherein the computer readable medium comprises code executable by the processor, the computer readable medium comprising; code for receiving user input data; code for forming a concatenated value by concatenating the user input with a data string associated with a portable consumer device; and code for deriving a user defined key from the concatenated value.
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Specification