concrete-core 1.0.2

Concrete is a fully homomorphic encryption (FHE) library that implements Zama's variant of TFHE.
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use crate::prelude::{LweDimension, LwePublicKeyZeroEncryptionCount};
use crate::specification::entities::markers::LwePublicKeyKind;
use crate::specification::entities::AbstractEntity;

/// A trait implemented by types embodying an LWE public key.
///
/// # Formal Definition
///
/// ## LWE Public Key
///
/// An LWE public key contains $m$ LWE encryptions of 0 under a secret key
/// $\vec{s}\in\mathbb{Z}\_q^n$ where $n$ is the LWE dimension of the ciphertexts contained in the
/// public key.
pub trait LwePublicKeyEntity: AbstractEntity<Kind = LwePublicKeyKind> {
    /// Returns the LWE dimension of the key.
    fn lwe_dimension(&self) -> LweDimension;

    /// Returns the number of LWE encryption of 0 in the key.
    fn lwe_zero_encryption_count(&self) -> LwePublicKeyZeroEncryptionCount;
}