derivation

package

v0.2.2 Latest Latest Go to latest Published: May 19, 2026 License: Apache-2.0 Imports: 15 Imported by: 0

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Repository

github.com/BroLabel/brosettlement-mpc-core

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Documentation ¶

Index ¶

Constants
Variables
func CanonicalFullPath(accountPath, childPath string) string
func CanonicalHashPayloadV1(in Context) ([]byte, error)
func DecodeUncompressedSecp256k1Hex(input string) (*tsscrypto.ECPoint, error)
func EncodeECPointUncompressedSecp256k1(point *tsscrypto.ECPoint) (string, error)
func EncodeUncompressedSecp256k1(pub *ecdsa.PublicKey) string
func HashV1(in Context) (string, error)
func IsECDSAAlgorithm(algorithm string) bool
func MatchSession(ctx Context, session Session) error
func NormalizeAccountPath(raw string) (string, error)
func NormalizeChildPath(raw string) (string, []uint32, error)
func NormalizeFullPath(raw string) (string, error)
func ParseChainCodeHex(input string) ([]byte, error)
func ParseChildPath(raw string) ([]uint32, error)
func ValidateDKGMaterial(algorithm string, material DKGMaterial) ([]byte, string, error)
func ValidateUncompressedSecp256k1Hex(input string) error
type Context
- func NormalizeContext(in Context) (Context, error)
type DKGMaterial
type ECDSAChildKey
- func DeriveECDSAChildKey(accountPub *crypto.ECPoint, chainCode []byte, indices []uint32) (ECDSAChildKey, error)
- func DeriveECDSAChildKeyForContext(accountPub *crypto.ECPoint, chainCode []byte, ctx Context) (ECDSAChildKey, error)
type PreparedECDSASigningShare
- func PrepareECDSASigningShare(share ecdsakeygen.LocalPartySaveData, chainCode []byte, ctx Context) (PreparedECDSASigningShare, error)
type Session

Constants ¶

View Source

const (
	AlgorithmECDSA = "ecdsa"
	AlgorithmEdDSA = "eddsa"

	CurveSecp256k1 = "secp256k1"
	CurveEd25519   = "ed25519"

	DerivationSchemeBIP32Secp256k1 = "bip32_secp256k1"
	DerivationSchemeBIP32Public    = "bip32_public"
	DerivationSchemeSLIP10Ed25519  = "slip10_ed25519"

	PublicKeyFormatUncompressedHex = "uncompressed_hex"
)

Variables ¶

View Source

var (
	ErrDerivationContextRequired   = errors.New("derivation context required")
	ErrInvalidDerivationContext    = errors.New("invalid derivation context")
	ErrUnsupportedDerivationScheme = errors.New("unsupported derivation scheme")
	ErrDerivationPathInvalid       = errors.New("derivation path invalid")
	ErrDerivationContextMismatch   = errors.New("derivation context mismatch")
	ErrChainCodeMissing            = errors.New("chain code missing")
	ErrChainCodeInvalid            = errors.New("chain code invalid")
	ErrDerivedSigningUnsupported   = errors.New("derived signing unsupported")
	ErrUnsupportedAlgorithmCurve   = errors.New("unsupported algorithm curve")
)

Functions ¶

func CanonicalFullPath ¶

func CanonicalFullPath(accountPath, childPath string) string

func CanonicalHashPayloadV1 ¶

func CanonicalHashPayloadV1(in Context) ([]byte, error)

func DecodeUncompressedSecp256k1Hex ¶

func DecodeUncompressedSecp256k1Hex(input string) (*tsscrypto.ECPoint, error)

func EncodeECPointUncompressedSecp256k1 ¶

func EncodeECPointUncompressedSecp256k1(point *tsscrypto.ECPoint) (string, error)

func EncodeUncompressedSecp256k1 ¶

func EncodeUncompressedSecp256k1(pub *ecdsa.PublicKey) string

func HashV1 ¶

func HashV1(in Context) (string, error)

func IsECDSAAlgorithm ¶

func IsECDSAAlgorithm(algorithm string) bool

func MatchSession ¶

func MatchSession(ctx Context, session Session) error

func NormalizeAccountPath ¶

func NormalizeAccountPath(raw string) (string, error)

func NormalizeChildPath ¶

func NormalizeChildPath(raw string) (string, []uint32, error)

func NormalizeFullPath ¶

func NormalizeFullPath(raw string) (string, error)

func ParseChainCodeHex ¶

func ParseChainCodeHex(input string) ([]byte, error)

func ParseChildPath ¶

func ParseChildPath(raw string) ([]uint32, error)

func ValidateDKGMaterial ¶

func ValidateDKGMaterial(algorithm string, material DKGMaterial) ([]byte, string, error)

func ValidateUncompressedSecp256k1Hex ¶

func ValidateUncompressedSecp256k1Hex(input string) error

Types ¶

type Context ¶

type Context struct {
	ProfileID         string
	ProfileTemplateID string
	Chain             string
	Algorithm         string
	Curve             string
	Scheme            string
	PublicKeyFormat   string
	AccountPath       string
	ChildPath         string
	FullPath          string
	AddressEncoding   string
	ExpectedAddress   string
	DerivedPublicKey  string
	Descriptor        string
	DescriptorVersion uint32
	ProfileVersion    uint32
	KeyVersion        uint32
}

func NormalizeContext ¶

func NormalizeContext(in Context) (Context, error)

type DKGMaterial ¶

type DKGMaterial struct {
	ChainCode        string
	DerivationScheme string
}

type ECDSAChildKey ¶

type ECDSAChildKey struct {
	PublicKey          *ecdsa.PublicKey
	PublicKeyHex       string
	KeyDerivationDelta *big.Int
}

func DeriveECDSAChildKey ¶

func DeriveECDSAChildKey(accountPub *crypto.ECPoint, chainCode []byte, indices []uint32) (ECDSAChildKey, error)

func DeriveECDSAChildKeyForContext ¶

func DeriveECDSAChildKeyForContext(accountPub *crypto.ECPoint, chainCode []byte, ctx Context) (ECDSAChildKey, error)

type PreparedECDSASigningShare ¶

type PreparedECDSASigningShare struct {
	Share              ecdsakeygen.LocalPartySaveData
	DerivedPublicKey   string
	KeyDerivationDelta *big.Int
}

func PrepareECDSASigningShare ¶

func PrepareECDSASigningShare(share ecdsakeygen.LocalPartySaveData, chainCode []byte, ctx Context) (PreparedECDSASigningShare, error)

type Session ¶

type Session struct {
	Algorithm string
	Curve     string
	Chain     string
}

Source Files ¶

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