PROVIDING CRYPTOGRAPHIC KEY BASED ON USER INPUT DATA
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United States of America Patent
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N/A
Issued Date -
Jul 13, 2006
app pub date -
Aug 8, 2005
filing date -
Jan 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cryptographic key is provided based on user input data (UID) by: receiving into a computer system the UID; generating within the computer system the cryptographic key as a deterministic function of the UID; and clearing from the computer system the UID following the generation of the cryptographic key. The UID is not exported from the computer system. The cryptographic key may be a public key or private key. If the cryptographic key is a public key, then the cryptographic key is exported from the computer system. If the cryptographic key is a private key, then the cryptographic key is not exported from the computer system, and is cleared from the computer system within a single day of the generation of the cryptographic key.
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