PRIVACY CALCULATION UNIT, ACCELERATION UNIT, SYSTEM ON CHIP, AND PRIVACY CALCULATION METHOD
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Apr 16, 2024
filing date -
Apr 16, 2024
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status (Latency Note)
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Abstract
A privacy calculation unit includes a first calculation subunit, a storage subunit, and a communication subunit. The first calculation subunit includes circuitry to calculate first domain conversion ciphertexts sequentially. The storage subunit is configured to store the calculated first domain conversion ciphertexts received from the first calculation subunit. The first domain conversion ciphertext is an intermediate ciphertext when first to-be-converted data is converted from a first privacy-preserving computation domain to a second privacy-preserving computation domain. The communication subunit includes circuitry to send, in a process in which the first calculation subunit calculates a postorder first domain conversion ciphertext, a preorder first domain conversion ciphertext to a target privacy calculation unit other than the current privacy calculation unit, to enable the target privacy calculation unit to generate first converted data corresponding to the first to-be-converted data in the second privacy-preserving computation domain according to the preorder first domain conversion ciphertext.
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