Cryptographic key escrow system having reduced vulnerability to harvesting attacks
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United States of America Patent
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May 27, 1997
Grant Date -
N/A
app pub date -
Sep 15, 1995
filing date -
Sep 15, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A public key escrow system is adapted to have a proof of knowledge protocol for a certificate. The certificate is signed with RSA and is proved using a protocol based on the Guillou-Quisquater proof of knowledge scheme, or other proof of knowledge protocol. Interactive and non-interactive protocols are disclosed.
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