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18159d6458
Re-Randomization is something that requires a dedicated public key. Thus we move the parameters of the KSK into the struct for dedicated PKE parameters BREAKING CHANGE: This is breaking change regarding the latest alpha released. But MetaParameters did not seem to be used directly in fhevm/kms
32 lines
1.4 KiB
Rust
32 lines
1.4 KiB
Rust
use crate::shortint::parameters::{
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Backend, CompactPublicKeyEncryptionParameters, CompressionParameters,
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MetaNoiseSquashingParameters, ShortintKeySwitchingParameters,
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};
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use crate::shortint::AtomicPatternParameters;
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#[derive(Debug, Copy, Clone, PartialEq)]
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pub struct DedicatedCompactPublicKeyParameters {
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/// Parameters used by the dedicated compact public key
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pub pke_params: CompactPublicKeyEncryptionParameters,
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/// Parameters used to key switch from the compact public key
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/// parameters to compute parameters
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pub ksk_params: ShortintKeySwitchingParameters,
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/// Parameters to key switch from the compact public key
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/// to rerand state
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pub re_randomization_parameters: Option<ShortintKeySwitchingParameters>,
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}
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#[derive(Debug, Copy, Clone, PartialEq)]
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pub struct MetaParameters {
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pub backend: Backend,
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/// The parameters used by ciphertext when doing computations
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pub compute_parameters: AtomicPatternParameters,
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/// Parameters when using a dedicated compact public key
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/// (For smaller and more efficient CompactCiphertextList)
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pub dedicated_compact_public_key_parameters: Option<DedicatedCompactPublicKeyParameters>,
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/// Parameters for compression CompressedCiphertextList
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pub compression_parameters: Option<CompressionParameters>,
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/// Parameters for noise squashing
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pub noise_squashing_parameters: Option<MetaNoiseSquashingParameters>,
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}
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