Mobile phone including dynamic verification value
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United States of America Patent
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Feb 10, 2015
Issued Date -
N/A
app pub date -
Nov 10, 2008
filing date -
Jun 24, 2008
priority date (Note) -
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Abstract
A method for forming a dynamic verification value. The method includes altering a first data string to form a second data string, and forming a first dynamic verification value using at least a portion of the second data string. The first dynamic verification value is used to authenticate a phone in a first transaction. The second data string is used to form a third data string. A second dynamic verification value is formed using at least a portion of the third data string. The second dynamic verification value is used to authenticate the phone in a second transaction.
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