Postal security device incorporating periodic and automatic self implementation of public/private key pair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 21, 2000
Grant Date -
N/A
app pub date -
Nov 19, 1997
filing date -
Nov 19, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In accordance with the present invention, there is provided a greatly improved Postal Security Device (PSD) incorporating periodic and automatic self implementation of a public/private key pair. According to the invention, it is provided that the appropriate resources are contained in a PSD, thereby permitting the PSD generate a new set of public/private key pairs as required to change the secure cryptographic identity of the PSD. Such generation may occur in response to an arbitrary criterion, such as a request, a change in usage patterns, the amount spent, and/or the number of pieces processed. The number of key pair generations may be limited to a predetermined maximum. The appropriate authorities are then notified of the new PSD Public key. The new PSD key pair is used upon receipt of the appropriate certificate from the Certification Authority.
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