Secure seed provisioning
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United States of America Patent
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Nov 15, 2011
Grant Date -
Jan 1, 2009
app pub date -
Jun 29, 2007
filing date -
Jun 29, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A technique is utilized in the configuration and seeding of security tokens at third party facilities, particularly at facilities of a configuration agent, such that a token can be configured without the configuration agent having security-defeating knowledge about the token. Such a technique allows a third party to provision a token with a seed, but in such a way that the third party will not know, or be able to construct, the seed after the seed provisioning process is complete. The seed may include, by way of example, a symmetric key or other secret shared by two or more entities. In some arrangements, a method is used for secure seed provisioning. Data is derived from inherent randomness in a token or other authentication device. Based on the data, the token or other authentication device is provisioned with a seed.
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