Process for protecting components of smart or chip cards from fraudulent use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 1, 1997
Grant Date -
N/A
app pub date -
Feb 2, 1995
filing date -
Feb 11, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Process for protecting components of smart cards from fraudulent use, wherein the component is locked as long as an unlock order formed by a secret key has not been applied thereto, characterized in that it consists in writing in the component, at the time of its manufacture, a value and a result, the result being associated with the said value by a given algorithm and the secret key.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully