Deprecated: The latest supported version is github.com/tuneinsight/lattigo/v4.

dbfv

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v1.0.1 Latest Latest Go to latest Published: Sep 24, 2019 License: Apache-2.0 Imports: 8 Imported by: 0

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Repository

github.com/ldsec/lattigo

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Documentation ¶

Index ¶

type CKG
- func NewCKG(context *ring.Context, crs *ring.Poly) *CKG
- func (ckg *CKG) AggregateShares(shares []*ring.Poly) error
- func (ckg *CKG) Finalize() (*bfv.PublicKey, error)
- func (ckg *CKG) GenShare(sk *ring.Poly) error
- func (ckg *CKG) GetShare() *ring.Poly
type CKS
- func NewCKS(skInput, skOutput *ring.Poly, context *ring.Context, sigmaSmudging float64) *CKS
- func (cks *CKS) Aggregate(c0 *ring.Poly, h []*ring.Poly)
- func (cks *CKS) KeySwitch(c1 *ring.Poly) *ring.Poly
type CRPGenerator
- func NewCRPGenerator(key []byte, context *ring.Context) (*CRPGenerator, error)
- func (crpgenerator *CRPGenerator) Clock() *ring.Poly
- func (crpgenerator *CRPGenerator) GetClock() uint64
- func (crpgenerator *CRPGenerator) GetSeed() []byte
- func (crpgenerator *CRPGenerator) Seed(seed []byte)
- func (crpgenerator *CRPGenerator) SetClock(n uint64) error
type EkgProtocol
- func NewEkgProtocol(context *ring.Context, bitDecomp uint64) *EkgProtocol
- func (ekg *EkgProtocol) Aggregate(sk *ring.Poly, samples [][][]*ring.Poly, crp [][]*ring.Poly) (h [][][2]*ring.Poly)
- func (ekg *EkgProtocol) ComputeEVK(h1 [][][]*ring.Poly, h [][][2]*ring.Poly) (collectiveEVK [][][2]*ring.Poly)
- func (ekg *EkgProtocol) GenSamples(u, sk *ring.Poly, crp [][]*ring.Poly) (h [][]*ring.Poly)
- func (ekg *EkgProtocol) KeySwitch(u, sk *ring.Poly, samples [][][2]*ring.Poly) (h1 [][]*ring.Poly)
- func (ekg *EkgProtocol) NewEphemeralKey() *ring.Poly
- func (ekg *EkgProtocol) Sum(samples [][][][2]*ring.Poly) (h [][][2]*ring.Poly)
type EkgProtocolNaive
- func NewEkgProtocolNaive(context *ring.Context, bitDecomp uint64) *EkgProtocolNaive
- func (ekg *EkgProtocolNaive) Aggregate(sk *ring.Poly, pk [2]*ring.Poly, samples [][][][2]*ring.Poly) (h [][][2]*ring.Poly)
- func (ekg *EkgProtocolNaive) Finalize(h [][][][2]*ring.Poly) (evaluationKey [][][2]*ring.Poly)
- func (ekg *EkgProtocolNaive) GenSamples(sk *ring.Poly, pk [2]*ring.Poly) (h [][][2]*ring.Poly)
type PCKS
- func NewPCKS(skInput *ring.Poly, pkOutput [2]*ring.Poly, context *ring.Context, ...) *PCKS
- func (pcks *PCKS) Aggregate(ct []*ring.Poly, h [][2]*ring.Poly)
- func (pcks *PCKS) KeySwitch(ct1 *ring.Poly) (h [2]*ring.Poly)
type PRNG
- func NewPRNG(key []byte) (*PRNG, error)
- func (prng *PRNG) Clock() []byte
- func (prng *PRNG) GetClock() uint64
- func (prng *PRNG) GetSeed() []byte
- func (prng *PRNG) Seed(seed []byte)
- func (prng *PRNG) SetClock(n uint64) error

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type CKG ¶

type CKG struct {
	// contains filtered or unexported fields
}

func NewCKG ¶

func NewCKG(context *ring.Context, crs *ring.Poly) *CKG

func (*CKG) AggregateShares ¶

func (ckg *CKG) AggregateShares(shares []*ring.Poly) error

func (*CKG) Finalize ¶

func (ckg *CKG) Finalize() (*bfv.PublicKey, error)

func (*CKG) GenShare ¶

func (ckg *CKG) GenShare(sk *ring.Poly) error

func (*CKG) GetShare ¶

func (ckg *CKG) GetShare() *ring.Poly

type CKS ¶

type CKS struct {
	// contains filtered or unexported fields
}

func NewCKS ¶

func NewCKS(skInput, skOutput *ring.Poly, context *ring.Context, sigmaSmudging float64) *CKS

func (*CKS) Aggregate ¶

func (cks *CKS) Aggregate(c0 *ring.Poly, h []*ring.Poly)

func (*CKS) KeySwitch ¶

func (cks *CKS) KeySwitch(c1 *ring.Poly) *ring.Poly

type CRPGenerator ¶

type CRPGenerator struct {
	// contains filtered or unexported fields
}

Common Reference Polynomial Generator

func NewCRPGenerator ¶

func NewCRPGenerator(key []byte, context *ring.Context) (*CRPGenerator, error)

func (*CRPGenerator) Clock ¶

func (crpgenerator *CRPGenerator) Clock() *ring.Poly

func (*CRPGenerator) GetClock ¶

func (crpgenerator *CRPGenerator) GetClock() uint64

func (*CRPGenerator) GetSeed ¶

func (crpgenerator *CRPGenerator) GetSeed() []byte

func (*CRPGenerator) Seed ¶

func (crpgenerator *CRPGenerator) Seed(seed []byte)

func (*CRPGenerator) SetClock ¶

func (crpgenerator *CRPGenerator) SetClock(n uint64) error

type EkgProtocol ¶

type EkgProtocol struct {
	// contains filtered or unexported fields
}

func NewEkgProtocol ¶

func NewEkgProtocol(context *ring.Context, bitDecomp uint64) *EkgProtocol

func (*EkgProtocol) Aggregate ¶

func (ekg *EkgProtocol) Aggregate(sk *ring.Poly, samples [][][]*ring.Poly, crp [][]*ring.Poly) (h [][][2]*ring.Poly)

Round 2

func (*EkgProtocol) ComputeEVK ¶

func (ekg *EkgProtocol) ComputeEVK(h1 [][][]*ring.Poly, h [][][2]*ring.Poly) (collectiveEVK [][][2]*ring.Poly)

func (*EkgProtocol) GenSamples ¶

func (ekg *EkgProtocol) GenSamples(u, sk *ring.Poly, crp [][]*ring.Poly) (h [][]*ring.Poly)

Ephemeral Key u (needs to be stored among the 3 first round)

func (*EkgProtocol) KeySwitch ¶

func (ekg *EkgProtocol) KeySwitch(u, sk *ring.Poly, samples [][][2]*ring.Poly) (h1 [][]*ring.Poly)

Part 2

func (*EkgProtocol) NewEphemeralKey ¶

func (ekg *EkgProtocol) NewEphemeralKey() *ring.Poly

Ephemeral Key u (needs to be stored among the 3 first round)

func (*EkgProtocol) Sum ¶

func (ekg *EkgProtocol) Sum(samples [][][][2]*ring.Poly) (h [][][2]*ring.Poly)

Part 1

type EkgProtocolNaive ¶

type EkgProtocolNaive struct {
	// contains filtered or unexported fields
}

func NewEkgProtocolNaive ¶

func NewEkgProtocolNaive(context *ring.Context, bitDecomp uint64) *EkgProtocolNaive

func (*EkgProtocolNaive) Aggregate ¶

func (ekg *EkgProtocolNaive) Aggregate(sk *ring.Poly, pk [2]*ring.Poly, samples [][][][2]*ring.Poly) (h [][][2]*ring.Poly)

func (*EkgProtocolNaive) Finalize ¶

func (ekg *EkgProtocolNaive) Finalize(h [][][][2]*ring.Poly) (evaluationKey [][][2]*ring.Poly)

func (*EkgProtocolNaive) GenSamples ¶

func (ekg *EkgProtocolNaive) GenSamples(sk *ring.Poly, pk [2]*ring.Poly) (h [][][2]*ring.Poly)

type PCKS ¶

type PCKS struct {
	// contains filtered or unexported fields
}

func NewPCKS ¶

func NewPCKS(skInput *ring.Poly, pkOutput [2]*ring.Poly, context *ring.Context, sigmaSmudging float64) *PCKS

func (*PCKS) Aggregate ¶

func (pcks *PCKS) Aggregate(ct []*ring.Poly, h [][2]*ring.Poly)

func (*PCKS) KeySwitch ¶

func (pcks *PCKS) KeySwitch(ct1 *ring.Poly) (h [2]*ring.Poly)

type PRNG ¶

type PRNG struct {
	// contains filtered or unexported fields
}

func NewPRNG ¶

func NewPRNG(key []byte) (*PRNG, error)

NewPRNG creates a new instance of PRNG Accepts an optional key, if no key, call with key=nill

func (*PRNG) Clock ¶

func (prng *PRNG) Clock() []byte

Clock returns the right part of the digest value of the current PRNG state and reseeds the PRNG with the left part of the digest value. Increases the clock cycle by 1.

func (*PRNG) GetClock ¶

func (prng *PRNG) GetClock() uint64

GetClock returns the value of the clock cycle of the PRNG

func (*PRNG) GetSeed ¶

func (prng *PRNG) GetSeed() []byte

func (*PRNG) Seed ¶

func (prng *PRNG) Seed(seed []byte)

Seed resets the current state of the PRNG (without changing the optional key) and seeds it with the given bytes. Seed will also reset the clock cycle to 0.

func (*PRNG) SetClock ¶

func (prng *PRNG) SetClock(n uint64) error

Sets the clock cycle of the PRNG to a given number. Returns an error if the target clock cycle is smaller than the current clock cycle.

Source Files ¶

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