Aggregate signature schemes
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 12, 2013
Issued Date -
N/A
app pub date -
May 1, 2012
filing date -
May 1, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An authenticated RFID system is provided that uses elliptic curve cryptography (ECC) to reduce the signature size and read/write times when compared to traditional public key implementations such as RSA. Either ECDSA or ECPVS can be used to reduce the signature size and ECPVS can be used to hide a portion of the RFID tag that contains sensitive product identifying information. As a result, smaller tags can be used or multiple signatures can be written at different stages in a manufacturing or supply chain. A key management system is used to distribute the verification keys and aggregate signature schemes are also provided for adding multiple signatures to the RFID tags, for example in a supply chain.
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