dckks

package

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Versions in this module

v2

deprecated

v2.4.1

Nov 15, 2023

v2.4.0

Jan 10, 2022

v2.3.0

Oct 12, 2021

Changes in this version

type MaskedTransformProtocol

+ func (rfp *MaskedTransformProtocol) SampleCRP(level int, crs utils.PRNG) drlwe.CKSCRP

v2.2.0

Jul 15, 2021

Changes in this version

+ func GetMinimumLevelForBootstrapping(lambda int, scale float64, nParties int, moduli []uint64) (minLevel, logBound int, ok bool)

type CKSProtocol

+ func (cks *CKSProtocol) KeySwitchCKKS(combined *drlwe.CKSShare, ct *ckks.Ciphertext, ctOut *ckks.Ciphertext)

+ type E2SProtocol struct

+ func NewE2SProtocol(params ckks.Parameters, sigmaSmudging float64) *E2SProtocol

+ func (e2s *E2SProtocol) GenShare(sk *rlwe.SecretKey, logBound, logSlots int, ct *ckks.Ciphertext, ...)

+ func (e2s *E2SProtocol) GetShare(secretShare *rlwe.AdditiveShareBigint, aggregatePublicShare *drlwe.CKSShare, ...)

+ func (e2s E2SProtocol) AllocateShare(level int) (share *drlwe.CKSShare)

+ type MaskedTransformFunc func(coeffsIn, coeffsOut []*ring.Complex)

+ type MaskedTransformProtocol struct

+ func NewMaskedTransformProtocol(params ckks.Parameters, precision int, sigmaSmudging float64) (rfp *MaskedTransformProtocol)

+ func (rfp *MaskedTransformProtocol) Aggregate(share1, share2, shareOut *MaskedTransformShare)

+ func (rfp *MaskedTransformProtocol) AllocateShare(levelDecrypt, levelRecrypt int) *MaskedTransformShare

+ func (rfp *MaskedTransformProtocol) GenShares(sk *rlwe.SecretKey, logBound, logSlots int, ct *ckks.Ciphertext, ...)

+ func (rfp *MaskedTransformProtocol) Transform(ct *ckks.Ciphertext, logSlots int, transform MaskedTransformFunc, ...)

+ type MaskedTransformShare struct

+ func (share *MaskedTransformShare) MarshalBinary() (data []byte, err error)

+ func (share *MaskedTransformShare) UnmarshalBinary(data []byte) error

type PCKSProtocol

+ func (pcks *PCKSProtocol) KeySwitchCKKS(combined *drlwe.PCKSShare, ct, ctOut *ckks.Ciphertext)

type RKGProtocol

+ func NewRKGProtocol(params ckks.Parameters) *RKGProtocol

type RefreshProtocol

+ func (rfp *RefreshProtocol) AllocateShare(minLevel, maxLevel int) *RefreshShare

+ func (rfp *RefreshProtocol) Finalize(ciphertext *ckks.Ciphertext, logSlots int, crs *ring.Poly, share *RefreshShare, ...)

+ type RefreshShare struct

+ type S2EProtocol struct

+ func NewS2EProtocol(params ckks.Parameters, sigmaSmudging float64) *S2EProtocol

+ func (s2e *S2EProtocol) GenShare(sk *rlwe.SecretKey, c1 *ring.Poly, secretShare *rlwe.AdditiveShareBigint, ...)

+ func (s2e *S2EProtocol) GetEncryption(c0Agg *drlwe.CKSShare, c1 *ring.Poly, ctOut *ckks.Ciphertext)

+ func (s2e S2EProtocol) AllocateShare(level int) (share *drlwe.CKSShare)

v2.1.1

Dec 23, 2020

v2.1.0

Dec 11, 2020

v2.0.0

Oct 9, 2020

Changes in this version

+ func NewCRPGenerator(params *ckks.Parameters, key []byte) *ring.UniformSampler

+ type CKGProtocol struct

+ func NewCKGProtocol(params *ckks.Parameters) *CKGProtocol

+ func (ckg *CKGProtocol) AggregateShares(share1, share2, shareOut CKGShare)

+ func (ckg *CKGProtocol) AllocateShares() CKGShare

+ func (ckg *CKGProtocol) GenPublicKey(roundShare CKGShare, crs *ring.Poly, pubkey *ckks.PublicKey)

+ func (ckg *CKGProtocol) GenShare(sk *ring.Poly, crs *ring.Poly, shareOut CKGShare)

+ type CKGShare *ring.Poly

+ type CKSProtocol struct

+ func NewCKSProtocol(params *ckks.Parameters, sigmaSmudging float64) (cks *CKSProtocol)

+ func (cks *CKSProtocol) AggregateShares(share1, share2, shareOut CKSShare)

+ func (cks *CKSProtocol) AllocateShare() CKSShare

+ func (cks *CKSProtocol) GenShare(skInput, skOutput *ring.Poly, ct *ckks.Ciphertext, shareOut CKSShare)

+ func (cks *CKSProtocol) KeySwitch(combined CKSShare, ct *ckks.Ciphertext, ctOut *ckks.Ciphertext)

+ type CKSShare *ring.Poly

+ type PCKSProtocol struct

+ func NewPCKSProtocol(params *ckks.Parameters, sigmaSmudging float64) *PCKSProtocol

+ func (pcks *PCKSProtocol) AggregateShares(share1, share2, shareOut PCKSShare)

+ func (pcks *PCKSProtocol) AllocateShares(level uint64) (s PCKSShare)

+ func (pcks *PCKSProtocol) GenShare(sk *ring.Poly, pk *ckks.PublicKey, ct *ckks.Ciphertext, shareOut PCKSShare)

+ func (pcks *PCKSProtocol) KeySwitch(combined PCKSShare, ct, ctOut *ckks.Ciphertext)

+ type PCKSShare [2]*ring.Poly

+ type PermuteProtocol struct

+ func NewPermuteProtocol(params *ckks.Parameters) (pp *PermuteProtocol)

+ func (pp *PermuteProtocol) Aggregate(share1, share2, shareOut *ring.Poly)

+ func (pp *PermuteProtocol) AllocateShares(levelStart uint64) (RefreshShareDecrypt, RefreshShareRecrypt)

+ func (pp *PermuteProtocol) Decrypt(ciphertext *ckks.Ciphertext, shareDecrypt RefreshShareDecrypt)

+ func (pp *PermuteProtocol) GenShares(sk *ring.Poly, levelStart, nParties uint64, ciphertext *ckks.Ciphertext, ...)

+ func (pp *PermuteProtocol) Permute(ciphertext *ckks.Ciphertext, permutation []uint64, slots uint64)

+ func (pp *PermuteProtocol) Recrypt(ciphertext *ckks.Ciphertext, crs *ring.Poly, shareRecrypt RefreshShareRecrypt)

+ type RKGNaiveShareRoundOne [][2]*ring.Poly

+ type RKGNaiveShareRoundTwo [][2]*ring.Poly

+ type RKGProtocol struct

+ func NewEkgProtocol(params *ckks.Parameters) *RKGProtocol

+ func (ekg *RKGProtocol) AggregateShareRoundOne(share1, share2, shareOut RKGShare)

+ func (ekg *RKGProtocol) AggregateShareRoundTwo(share1, share2, shareOut RKGShare)

+ func (ekg *RKGProtocol) AllocateShares() (r1 RKGShare, r2 RKGShare)

+ func (ekg *RKGProtocol) GenRelinearizationKey(round1 RKGShare, round2 RKGShare, evalKeyOut *ckks.EvaluationKey)

+ func (ekg *RKGProtocol) GenShareRoundOne(u, sk *ring.Poly, crp []*ring.Poly, shareOut RKGShare)

+ func (ekg *RKGProtocol) GenShareRoundTwo(round1 RKGShare, u, sk *ring.Poly, crp []*ring.Poly, shareOut RKGShare)

+ func (ekg *RKGProtocol) NewEphemeralKey() (ephemeralKey *ring.Poly)

+ type RKGProtocolNaive struct

+ func NewRKGProtocolNaive(params *ckks.Parameters) (rkg *RKGProtocolNaive)

+ func (rkg *RKGProtocolNaive) AggregateShareRoundOne(share1, share2, shareOut RKGNaiveShareRoundOne)

+ func (rkg *RKGProtocolNaive) AggregateShareRoundTwo(share1, share2, shareOut RKGNaiveShareRoundTwo)

+ func (rkg *RKGProtocolNaive) AllocateShares() (r1 RKGNaiveShareRoundOne, r2 RKGNaiveShareRoundTwo)

+ func (rkg *RKGProtocolNaive) GenRelinearizationKey(round2 RKGNaiveShareRoundTwo, evalKeyOut *ckks.EvaluationKey)

+ func (rkg *RKGProtocolNaive) GenShareRoundOne(sk *ring.Poly, pk [2]*ring.Poly, shareOut RKGNaiveShareRoundOne)

+ func (rkg *RKGProtocolNaive) GenShareRoundTwo(round1 RKGNaiveShareRoundOne, sk *ring.Poly, pk [2]*ring.Poly, ...)

+ type RKGShare [][2]*ring.Poly

+ func (share *RKGShare) MarshalBinary() ([]byte, error)

+ func (share *RKGShare) UnmarshalBinary(data []byte) error

+ type RTGProtocol struct

+ func NewRotKGProtocol(params *ckks.Parameters) (rtg *RTGProtocol)

+ func (rtg *RTGProtocol) Aggregate(share1, share2, shareOut RTGShare)

+ func (rtg *RTGProtocol) AllocateShare() (rtgShare RTGShare)

+ func (rtg *RTGProtocol) Finalize(params *ckks.Parameters, share RTGShare, crp []*ring.Poly, ...)

+ func (rtg *RTGProtocol) GenShare(rotType ckks.Rotation, k uint64, sk *ring.Poly, crp []*ring.Poly, ...)

+ type RTGShare struct

+ K uint64

+ Type ckks.Rotation

+ Value []*ring.Poly

+ type RefreshProtocol struct

+ func NewRefreshProtocol(params *ckks.Parameters) (refreshProtocol *RefreshProtocol)

+ func (refreshProtocol *RefreshProtocol) Aggregate(share1, share2, shareOut *ring.Poly)

+ func (refreshProtocol *RefreshProtocol) AllocateShares(levelStart uint64) (RefreshShareDecrypt, RefreshShareRecrypt)

+ func (refreshProtocol *RefreshProtocol) Decrypt(ciphertext *ckks.Ciphertext, shareDecrypt RefreshShareDecrypt)

+ func (refreshProtocol *RefreshProtocol) GenShares(sk *ring.Poly, levelStart, nParties uint64, ciphertext *ckks.Ciphertext, ...)

+ func (refreshProtocol *RefreshProtocol) Recode(ciphertext *ckks.Ciphertext)

+ func (refreshProtocol *RefreshProtocol) Recrypt(ciphertext *ckks.Ciphertext, crs *ring.Poly, shareRecrypt RefreshShareRecrypt)

+ type RefreshShareDecrypt *ring.Poly

+ type RefreshShareRecrypt *ring.Poly

Other modules containing this package

github.com/ldsec/lattigo

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