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v0.0.0-...-1c35a36 Latest Latest Go to latest Published: Feb 21, 2020 License: BlueOak-1.0.0 Imports: 5 Imported by: 0

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Repository

gitlab.com/polychainlabs/threshold-ed25519

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Documentation ¶

Index ¶

func ExpandSecret(secret []byte) []byte
func SignWithShare(message []byte, share []byte, ephemeralShare []byte, publicKey []byte, ...) []byte
type Element
- func AddElements(elements []Element) Element
- func ScalarMultiplyBase(scalar Scalar) Element
type Scalar

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func ExpandSecret ¶

func ExpandSecret(secret []byte) []byte

ExpandSecret expands a secret "seed" into an expanded secret Private keys (aka secrets) in RPC 8032 are actually "seeds" for the expanded secret. This mirrors the golang ed25519 handling of ed25519 secrets.

func SignWithShare ¶

func SignWithShare(message []byte, share []byte, ephemeralShare []byte, publicKey []byte, ephemeralPublic []byte) []byte

SignWithShare signs a message using a secret share and an ephemeral share

Types ¶

type Element ¶

type Element []byte

Element type alias for byte array

func AddElements ¶

func AddElements(elements []Element) Element

AddElements adds field elements and returns a field element result

func ScalarMultiplyBase ¶

func ScalarMultiplyBase(scalar Scalar) Element

ScalarMultiplyBase multiplies the scalar parameter by the ed25519 base and returns an element in the field.

type Scalar ¶

type Scalar []byte

Scalar type alias for byte array

func AddScalars ¶

func AddScalars(scalars []Scalar) Scalar

AddScalars adds all scalars, mods the result by the field order, and returns the result as a scalar

func CombineShares ¶

func CombineShares(total uint8, cosignerIds []int, shares [][]byte) Scalar

CombineShares merges an array of shares into an original Scalar value

func DealShares ¶

func DealShares(secret []byte, threshold uint8, total uint8) []Scalar

DealShares split the secret bytes into n total shares requiring t threshold of the shares to re-assemble the original secret. The return value is an array of Scalars of size `n` (total)

Source Files ¶

View all Source files

ed25519.go

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