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crypto

package module

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Versions in this module

v0

v0.25.3

Mar 28, 2025

Changes in this version

+ func E2PolynomialImages(out []pointE2, A []pointE2)

v0.25.2

Aug 14, 2024

v0.25.1

Apr 3, 2024

v0.25.0

Dec 8, 2023

Changes in this version

+ const PrKeyLenBLSBLS12381

+ const PubKeyLenBLSBLS12381

+ type JointFeldmanState struct

+ func (s *JointFeldmanState) End() (PrivateKey, PublicKey, []PublicKey, error)

+ func (s *JointFeldmanState) ForceDisqualify(participant int) error

+ func (s *JointFeldmanState) HandleBroadcastMsg(orig int, msg []byte) error

+ func (s *JointFeldmanState) HandlePrivateMsg(orig int, msg []byte) error

+ func (s *JointFeldmanState) NextTimeout() error

+ func (s *JointFeldmanState) Running() bool

+ func (s *JointFeldmanState) Start(seed []byte) error

+ func (s JointFeldmanState) Size() int

+ func (s JointFeldmanState) Threshold() int

v0.24.9

Jul 4, 2023

Changes in this version

+ const DKGMaxSize

+ const DKGMinSize

+ const KeyGenSeedMaxLen

+ const KeyGenSeedMinLen

+ const MinimumThreshold

+ const PrKeyLenECDSAP256

+ const PrKeyLenECDSASecp256k1

+ const PubKeyLenECDSAP256

+ const PubKeyLenECDSASecp256k1

+ const SeedMaxLenDKG

+ const SeedMinLenDKG

+ const SignatureLenBLSBLS12381

+ const SignatureLenECDSAP256

+ const SignatureLenECDSASecp256k1

+ const ThresholdSignMaxSize

+ const ThresholdSignMinSize

+ var BLS12381Order = []byte

+ func BLSThresholdKeyGen(size int, threshold int, seed []byte) ([]PrivateKey, []PublicKey, PublicKey, error)

+ func BLSVerifyPOP(pk PublicKey, s Signature) (bool, error)

+ func BatchVerifyBLSSignaturesOneMessage(pks []PublicKey, sigs []Signature, message []byte, kmac hash.Hasher) ([]bool, error)

+ func EnoughShares(threshold int, sharesNumber int) (bool, error)

+ func IsBLSAggregateEmptyListError(err error) bool

+ func IsBLSSignatureIdentity(s Signature) bool

+ func IsDKGFailureError(err error) bool

+ func IsDKGInvalidStateTransitionError(err error) bool

+ func IsDuplicatedSignerError(err error) bool

+ func IsInvalidHasherSizeError(err error) bool

+ func IsInvalidInputsError(err error) bool

+ func IsInvalidSignatureError(err error) bool

+ func IsNilHasherError(err error) bool

+ func IsNotBLSKeyError(err error) bool

+ func IsNotEnoughSharesError(err error) bool

+ func NewExpandMsgXOFKMAC128(tag string) hash.Hasher

+ func SPOCKVerify(pk1 PublicKey, proof1 Signature, pk2 PublicKey, proof2 Signature) (bool, error)

+ func SPOCKVerifyAgainstData(pk PublicKey, proof Signature, data []byte, kmac hash.Hasher) (bool, error)

+ func SignatureFormatCheck(algo SigningAlgorithm, s Signature) (bool, error)

+ func TestHasherErrors(t *testing.T)

+ func TestKeyGenErrors(t *testing.T)

+ func VerifyBLSSignatureManyMessages(pks []PublicKey, s Signature, messages [][]byte, kmac []hash.Hasher) (bool, error)

+ func VerifyBLSSignatureOneMessage(pks []PublicKey, s Signature, message []byte, kmac hash.Hasher) (bool, error)

+ type DKGProcessor interface

+ Broadcast func(data []byte)

+ Disqualify func(participant int, log string)

+ FlagMisbehavior func(participant int, log string)

+ PrivateSend func(dest int, data []byte)

+ type DKGState interface

+ End func() (PrivateKey, PublicKey, []PublicKey, error)

+ ForceDisqualify func(participant int) error

+ HandleBroadcastMsg func(orig int, msg []byte) error

+ HandlePrivateMsg func(orig int, msg []byte) error

+ NextTimeout func() error

+ Running func() bool

+ Size func() int

+ Start func(seed []byte) error

+ Threshold func() int

+ func NewFeldmanVSS(size int, threshold int, myIndex int, processor DKGProcessor, dealerIndex int) (DKGState, error)

+ func NewFeldmanVSSQual(size int, threshold int, myIndex int, processor DKGProcessor, dealerIndex int) (DKGState, error)

+ func NewJointFeldman(size int, threshold int, myIndex int, processor DKGProcessor) (DKGState, error)

+ type PrivateKey interface

+ Algorithm func() SigningAlgorithm

+ Encode func() []byte

+ Equals func(PrivateKey) bool

+ PublicKey func() PublicKey

+ Sign func([]byte, hash.Hasher) (Signature, error)

+ Size func() int

+ String func() string

+ func AggregateBLSPrivateKeys(keys []PrivateKey) (PrivateKey, error)

+ func DecodePrivateKey(algo SigningAlgorithm, data []byte) (PrivateKey, error)

+ func GeneratePrivateKey(algo SigningAlgorithm, seed []byte) (PrivateKey, error)

+ type PublicKey interface

+ Algorithm func() SigningAlgorithm

+ Encode func() []byte

+ EncodeCompressed func() []byte

+ Equals func(PublicKey) bool

+ Size func() int

+ String func() string

+ Verify func(Signature, []byte, hash.Hasher) (bool, error)

+ func AggregateBLSPublicKeys(keys []PublicKey) (PublicKey, error)

+ func DecodePublicKey(algo SigningAlgorithm, data []byte) (PublicKey, error)

+ func DecodePublicKeyCompressed(algo SigningAlgorithm, data []byte) (PublicKey, error)

+ func IdentityBLSPublicKey() PublicKey

+ func RemoveBLSPublicKeys(aggKey PublicKey, keysToRemove []PublicKey) (PublicKey, error)

+ type Signature []byte

+ func AggregateBLSSignatures(sigs []Signature) (Signature, error)

+ func BLSGeneratePOP(sk PrivateKey) (Signature, error)

+ func BLSInvalidSignature() Signature

+ func BLSReconstructThresholdSignature(size int, threshold int, shares []Signature, signers []int) (Signature, error)

+ func SPOCKProve(sk PrivateKey, data []byte, kmac hash.Hasher) (Signature, error)

+ func (s Signature) Bytes() []byte

+ func (s Signature) String() string

+ type SigningAlgorithm int

+ const BLSBLS12381

+ const ECDSAP256

+ const ECDSASecp256k1

+ const UnknownSigningAlgorithm

+ func (f SigningAlgorithm) String() string

+ type ThresholdSignatureInspector interface

+ EnoughShares func() bool

+ HasShare func(orig int) (bool, error)

+ ThresholdSignature func() (Signature, error)

+ TrustedAdd func(orig int, share Signature) (bool, error)

+ VerifyAndAdd func(orig int, share Signature) (bool, bool, error)

+ VerifyShare func(orig int, share Signature) (bool, error)

+ VerifyThresholdSignature func(thresholdSignature Signature) (bool, error)

+ func NewBLSThresholdSignatureInspector(groupPublicKey PublicKey, sharePublicKeys []PublicKey, threshold int, ...) (ThresholdSignatureInspector, error)

+ type ThresholdSignatureParticipant interface

+ SignShare func() (Signature, error)

+ func NewBLSThresholdSignatureParticipant(groupPublicKey PublicKey, sharePublicKeys []PublicKey, threshold int, ...) (ThresholdSignatureParticipant, error)