Hybrid key exchanges for double-hulled encryption
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United States of America Patent
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Aug 6, 2024
Grant Date -
Dec 24, 2020
app pub date -
Jun 17, 2020
filing date -
Jun 19, 2019
priority date (Note) -
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Abstract
A first computing system establishes a cryptographically protected communication session with a second computing system by proposing a hybrid cryptographic scheme. In response to the proposed hybrid cryptographic scheme, a second computing system transmits cryptographic materials to the first computing system, and the first computing system transmits cryptographic materials to the second computing system. Using the cryptographic materials, two or more cryptographic keys are derived. One cryptographic key is used to perform an inner cryptographic operation on one or more data items, and another cryptographic key is used to perform an outer cryptographic operation on the one or more data items that have been cryptographically protected by the inner cryptographic operation.
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