histogram

type AggShare ¶

type AggShare = prio3.AggShare[Vec, Fp]

type Fp ¶

type Fp = fp128.Fp

type Histogram ¶

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

Histogram is a verifiable distributed aggregation function in which each measurement increments by one the histogram bucket, out of a set of fixed buckets, and the aggregate result counts the number of measurements in each bucket.

func New(numShares uint8, length, chunkLen uint, context []byte) (h *Histogram, err error)

func (h *Histogram) AggregateInit() AggShare

func (h *Histogram) AggregateUpdate(aggShare *AggShare, outShare *OutShare)

func (h *Histogram) Params() prio3.Params

func (h *Histogram) PrepInit(
	verifyKey *VerifyKey,
	nonce *Nonce,
	aggID uint8,
	publicShare PublicShare,
	inputShare InputShare,
) (*PrepState, *PrepShare, error)

func (h *Histogram) PrepNext(state *PrepState, msg *PrepMessage) (*OutShare, error)

func (h *Histogram) PrepSharesToPrep(prepShares []PrepShare) (*PrepMessage, error)

func (h *Histogram) Shard(measurement uint64, nonce *Nonce, rand []byte,
) (PublicShare, []InputShare, error)

func (h *Histogram) Unshard(aggShares []AggShare, numMeas uint) (aggregate *[]uint64, err error)

type InputShare ¶

type InputShare = prio3.InputShare[Vec, Fp]

type Nonce ¶

type Nonce = prio3.Nonce

type OutShare ¶

type OutShare = prio3.OutShare[Vec, Fp]

type PrepMessage ¶

type PrepMessage = prio3.PrepMessage

type PrepShare ¶

type PrepShare = prio3.PrepShare[Vec, Fp]

type PrepState ¶

type PrepState = prio3.PrepState[Vec, Fp]

type PublicShare ¶

type PublicShare = prio3.PublicShare

type Vec ¶

type Vec = fp128.Vec

type VerifyKey ¶

type VerifyKey = prio3.VerifyKey