Trait concrete_core::specification::engines::LweSeededBootstrapKeyGenerationEngine

pub trait LweSeededBootstrapKeyGenerationEngine<LweSecretKey, GlweSecretKey, SeededBootstrapKey>: AbstractEnginewhere
    SeededBootstrapKey: LweSeededBootstrapKeyEntity,
    LweSecretKey: LweSecretKeyEntity,
    GlweSecretKey: GlweSecretKeyEntity,{
    fn generate_new_lwe_seeded_bootstrap_key(
        &mut self,
        input_key: &LweSecretKey,
        output_key: &GlweSecretKey,
        decomposition_base_log: DecompositionBaseLog,
        decomposition_level_count: DecompositionLevelCount,
        noise: Variance
    ) -> Result<SeededBootstrapKey, LweSeededBootstrapKeyGenerationError<Self::EngineError>>;
    unsafe fn generate_new_lwe_seeded_bootstrap_key_unchecked(
        &mut self,
        input_key: &LweSecretKey,
        output_key: &GlweSecretKey,
        decomposition_base_log: DecompositionBaseLog,
        decomposition_level_count: DecompositionLevelCount,
        noise: Variance
    ) -> SeededBootstrapKey;
}

A trait for engines generating new seeded LWE bootstrap keys.

Semantics

This pure operation generates a new seeded LWE bootstrap key from the input_key LWE secret key, and the output_key GLWE secret key.

Formal Definition

cf here

Required Methods

fn generate_new_lwe_seeded_bootstrap_key(
    &mut self,
    input_key: &LweSecretKey,
    output_key: &GlweSecretKey,
    decomposition_base_log: DecompositionBaseLog,
    decomposition_level_count: DecompositionLevelCount,
    noise: Variance
) -> Result<SeededBootstrapKey, LweSeededBootstrapKeyGenerationError<Self::EngineError>>

Generates a new seeded LWE bootstrap key.

unsafe fn generate_new_lwe_seeded_bootstrap_key_unchecked(
    &mut self,
    input_key: &LweSecretKey,
    output_key: &GlweSecretKey,
    decomposition_base_log: DecompositionBaseLog,
    decomposition_level_count: DecompositionLevelCount,
    noise: Variance
) -> SeededBootstrapKey

Unsafely generates a new seeded LWE bootstrap key.

Safety

For the general safety concerns regarding this operation, refer to the different variants of LweSeededBootstrapKeyGenerationError. For safety concerns specific to an engine, refer to the implementer safety section.

Implementors

impl LweSeededBootstrapKeyGenerationEngine<LweSecretKey32, GlweSecretKey32, LweSeededBootstrapKey32> for DefaultEngine

Description:

Implementation of LweSeededBootstrapKeyGenerationEngine for DefaultEngine that operates on 32 bits integers. It outputs a seeded bootstrap key in the standard domain.

impl LweSeededBootstrapKeyGenerationEngine<LweSecretKey32, GlweSecretKey32, LweSeededBootstrapKey32> for DefaultParallelEngine

Description:

Implementation of LweSeededBootstrapKeyGenerationEngine for DefaultParallelEngine that operates on 32 bits integers. It outputs a seeded bootstrap key in the standard domain.

impl LweSeededBootstrapKeyGenerationEngine<LweSecretKey64, GlweSecretKey64, LweSeededBootstrapKey64> for DefaultEngine

Description:

Implementation of LweSeededBootstrapKeyGenerationEngine for DefaultEngine that operates on 64 bits integers. It outputs a seeded bootstrap key in the standard domain.

impl LweSeededBootstrapKeyGenerationEngine<LweSecretKey64, GlweSecretKey64, LweSeededBootstrapKey64> for DefaultParallelEngine

Description:

Implementation of LweSeededBootstrapKeyGenerationEngine for DefaultParallelEngine that operates on 64 bits integers. It outputs a seeded bootstrap key in the standard domain.