Multiple Table Tokenization
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United States of America Patent
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N/A
Issued Date -
Apr 25, 2013
app pub date -
Aug 27, 2012
filing date -
Sep 1, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Data is tokenized using multiple token tables. An initialization vector is generated based on a first data portion and a first set of token tables. The initialization vector can be generated by querying a first token table with the first data portion. A second data portion is tokenized based on the initialization vector and a second set of token tables. The second data portion can be modified with the initialization vector, and a second token table can be queried with the modified second data portion to form a tokenized second data portion. The first set and second set of token tables can be generated based on a received tokenization key, or can be previously generated. The first portion of the input data and the tokenized second data portion of the input data can be concatenated to form tokenized data.
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