Prepare-and-Send Quantum Fully Homomorphic Encryption: Difference between revisions

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== Properties ==
== Properties ==


===Parameters===
* k, security parameter
* L, number of T gates in the evaluation circuit
* n, dimension of input qubit
===Security Claim/ Theorems===
===Security Claim/ Theorems===
* ''Indistinguishability under Chosen Plaintext Attacks by adversary with quantum computational powers(q-IND-CPA).'' If FHE is q-IND-CPA secure then this protocol is q-IND-CPA secure. It means that an adversary cannot distinguish between ciphertext from a message and a ciphertext from an arbitrary quantum state such as |0ih0|
* ''Indistinguishability under Chosen Plaintext Attacks by adversary with quantum computational powers(q-IND-CPA).'' If FHE is q-IND-CPA secure then this protocol is q-IND-CPA secure. It means that an adversary cannot distinguish between ciphertext from a message and a ciphertext from an arbitrary quantum state such as |0ih0|
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