Data carrier for the secure transmission of information and method thereof
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 19, 2003
app pub date -
Dec 18, 2001
filing date -
Dec 18, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A data carrier (100) is described for use with a reader for the secure transmission of information. The data carrier (100) comprises an identification number associated with the data carrier (100) and a memory for storing a one-time pad and data. The one-time pad is uniquely associated with the identification number. The data carrier (100) further comprises an encryption circuit for encrypting the data with the one-time pad, and a controller to prevent reuse of bits in the one-time pad. The reader comprises a generator to generate the one-time pad via one of the following: a look-up table, and a pseudorandom number generator operating on a secret key and the identification number of the data carrier.
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