Struct LWECiphertext

pub struct LWECiphertext<D: Data> { /* private fields */ }

Implementations

impl LWECiphertext<Vec<u8>>

pub fn from_glwe_scratch_space<B: Backend>( module: &Module<B>, n: usize, basek: usize, k_lwe: usize, k_glwe: usize, k_ksk: usize, rank: usize, ) -> usize

where Module<B>: VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigNormalizeTmpBytes,

impl<DLwe: DataMut> LWECiphertext<DLwe>

pub fn sample_extract<DGlwe: DataRef>(&mut self, a: &GLWECiphertext<DGlwe>)

pub fn from_glwe<DGlwe, DKs, B: Backend>( &mut self, module: &Module<B>, a: &GLWECiphertext<DGlwe>, ks: &GLWEToLWESwitchingKeyPrepared<DKs, B>, scratch: &mut Scratch<B>, )

where DGlwe: DataRef, DKs: DataRef, Module<B>: VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApply<B> + VmpApplyAdd<B> + VecZnxDftFromVecZnx<B> + VecZnxDftToVecZnxBigConsume<B> + VecZnxBigAddSmallInplace<B> + VecZnxBigNormalize<B>, Scratch<B>: ScratchAvailable + TakeVecZnxDft<B> + TakeGLWECt,

impl<DataSelf> LWECiphertext<DataSelf>

where DataSelf: DataRef,

pub fn decrypt<DataPt, DataSk, B>( &self, module: &Module<B>, pt: &mut LWEPlaintext<DataPt>, sk: &LWESecret<DataSk>, )

where DataPt: DataMut, DataSk: DataRef, Module<B>: VecZnxNormalizeInplace<B>, B: Backend + ScratchOwnedAllocImpl<B> + ScratchOwnedBorrowImpl<B>,

impl<DataSelf: DataMut> LWECiphertext<DataSelf>

pub fn encrypt_sk<DataPt, DataSk, B>( &mut self, module: &Module<B>, pt: &LWEPlaintext<DataPt>, sk: &LWESecret<DataSk>, source_xa: &mut Source, source_xe: &mut Source, sigma: f64, )

where DataPt: DataRef, DataSk: DataRef, Module<B>: VecZnxFillUniform + VecZnxAddNormal + VecZnxNormalizeInplace<B>, B: Backend + ScratchOwnedAllocImpl<B> + ScratchOwnedBorrowImpl<B>,

impl LWECiphertext<Vec<u8>>

pub fn keyswitch_scratch_space<B: Backend>( module: &Module<B>, n: usize, basek: usize, k_lwe_out: usize, k_lwe_in: usize, k_ksk: usize, ) -> usize

where Module<B>: VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApply<B> + VmpApplyAdd<B> + VecZnxDftFromVecZnx<B> + VecZnxDftToVecZnxBigConsume<B> + VecZnxBigAddSmallInplace<B> + VecZnxBigNormalize<B>,

impl<DLwe: DataMut> LWECiphertext<DLwe>

pub fn keyswitch<A, DKs, B: Backend>( &mut self, module: &Module<B>, a: &LWECiphertext<A>, ksk: &LWESwitchingKeyPrepared<DKs, B>, scratch: &mut Scratch<B>, )

where A: DataRef, DKs: DataRef, Module<B>: VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApply<B> + VmpApplyAdd<B> + VecZnxDftFromVecZnx<B> + VecZnxDftToVecZnxBigConsume<B> + VecZnxBigAddSmallInplace<B> + VecZnxBigNormalize<B>, Scratch<B>: TakeVecZnxDft<B> + ScratchAvailable + TakeVecZnx,

impl<D: DataRef> LWECiphertext<D>

pub fn data(&self) -> &VecZnx<D>

impl<D: DataMut> LWECiphertext<D>

pub fn data_mut(&mut self) -> &VecZnx<D>

impl LWECiphertext<Vec<u8>>

pub fn alloc(n: usize, basek: usize, k: usize) -> Self

Trait Implementations

impl<D: Clone + Data> Clone for LWECiphertext<D>

fn clone(&self) -> LWECiphertext<D>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<D: DataRef> Debug for LWECiphertext<D>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<D: DataMut, B: Backend, DR: DataRef> Decompress<B, LWECiphertextCompressed<DR>> for LWECiphertext<D>

fn decompress( &mut self, module: &Module<B>, other: &LWECiphertextCompressed<DR>, )

where Module<B>: VecZnxFillUniform,

impl<D: DataRef> Display for LWECiphertext<D>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<D: DataMut> FillUniform for LWECiphertext<D>

where VecZnx<D>: FillUniform,

fn fill_uniform(&mut self, source: &mut Source)

impl<D: Data> Infos for LWECiphertext<D>

where VecZnx<D>: ZnxInfos,

type Inner = VecZnx<D>

fn n(&self) -> usize

Returns the ring degree of the polynomials.

fn inner(&self) -> &Self::Inner

fn basek(&self) -> usize

Returns the base 2 logarithm of the ciphertext base.

fn k(&self) -> usize

Returns the bit precision of the ciphertext.

fn log_n(&self) -> usize

Returns the base two logarithm of the ring dimension of the polynomials.

fn rows(&self) -> usize

Returns the number of rows.

fn cols(&self) -> usize

Returns the number of polynomials in each row.

fn rank(&self) -> usize

fn size(&self) -> usize

Returns the number of size per polynomial.

fn poly_count(&self) -> usize

Returns the total number of small polynomials.

impl<D: DataMut> LWECiphertextToMut for LWECiphertext<D>

fn to_mut(&mut self) -> LWECiphertext<&mut [u8]>

impl<D: DataRef> LWECiphertextToRef for LWECiphertext<D>

fn to_ref(&self) -> LWECiphertext<&[u8]>

impl<D: PartialEq + Data> PartialEq for LWECiphertext<D>

fn eq(&self, other: &LWECiphertext<D>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<D: DataMut> ReaderFrom for LWECiphertext<D>

fn read_from<R: Read>(&mut self, reader: &mut R) -> Result<()>

impl<D: DataMut> Reset for LWECiphertext<D>

fn reset(&mut self)

impl<DataSelf: DataMut> SetMetaData for LWECiphertext<DataSelf>

fn set_k(&mut self, k: usize)

fn set_basek(&mut self, basek: usize)

impl<D: DataRef> WriterTo for LWECiphertext<D>

fn write_to<W: Write>(&self, writer: &mut W) -> Result<()>

impl<D: Eq + Data> Eq for LWECiphertext<D>

impl<D: Data> StructuralPartialEq for LWECiphertext<D>