shamir

Sep 25, 2024

Changes in this version

+ var ErrDuplicateShare error = errors.New("duplicate shares provided")

+ var ErrInconsistentLength error = errors.New("length of shares is inconsistent")

+ var ErrMismatchedSecretID error = errors.New("secret ID's don't match")

+ var ErrNonPrimitivePolynomial error = errors.New("supplied polynomial cannot be primitive")

+ var ErrThresholdTooLarge error = errors.New("threshold cannot exceed number of shares")

Sep 19, 2024

Changes in this version

type Shamir

+ func (shamir Shamir) GetId() string

Sep 18, 2024

Changes in this version

+ const SharePrefix

+ func ComputeDegree(poly int) int

+ func RecoverSecret(shares []Share) ([]byte, error)

+ type Gf2m struct

+ func NewField(primitivePoly int) Gf2m

+ func (field Gf2m) Add(a, b GfElement) GfElement

+ func (field Gf2m) Divide(a, b GfElement) (GfElement, error)

+ func (field Gf2m) EvaluatePolynomial(p []GfElement, x GfElement) (y GfElement)

+ func (field Gf2m) GetNelements() int

+ func (field Gf2m) Multiply(a, b GfElement) GfElement

+ func (field Gf2m) String() string

+ func (field Gf2m) Subtract(a, b GfElement) GfElement

+ type GfElement int

+ type GfPower int

+ type Shamir struct

+ func NewShamirSecret(primitivePoly int, nshares int, threshold int, secret []byte) (*Shamir, error)

+ func (shamir Shamir) GetShares() []Share

+ func (shamir Shamir) ShareString(n int) string

+ func (shamir Shamir) String() string

+ type Share struct

+ func NewShare(secret_id string, primitivePoly int64, x GfElement, y []GfElement) Share

+ func NewSharesFromString(input string) []Share

+ func (share Share) GetPrimitivePoly() int64

+ func (share Share) GetSecretId() string

+ func (share Share) GetXString() string

+ func (share Share) GetYString() string

+ func (share Share) ShareLabel() string

+ func (share Share) String() string