Postage meter having delayed generation of cryptographic security parameters
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Dec 28, 1999
filing date -
Dec 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for using cryptographic parameters in a postage meter for securing postage indicium data includes the steps of generating in the postage meter 1) first cryptographic parameters which are useable in conjunction with second cryptographic parameters by the postage meter to cryptographically secure postage indicium data and 2) a cryptographic key; storing the first cryptographic parameters but not the second cryptographic parameters in the postage meter during the registering of the cryptographic key with a certificate authority; receiving at the postage meter notification that the cryptographic key has been registered with the certificate authority; and subsequent to receiving the notification generating and storing the second cryptographic parameters in the postage meter such that the first and second cryptographic parameters are stored in the postage meter for use in cryptographically securing postage indicium data.
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