setup

package

v0.5.0 Latest Latest Go to latest Published: Jul 17, 2025 License: Apache-2.0 Imports: 18 Imported by: 0

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Repository

github.com/hyperledger-labs/fabric-token-sdk

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Documentation ¶

Index ¶

Constants
Variables
type IdemixIssuerPublicKey
- func (i *IdemixIssuerPublicKey) FromProtos(s *pp.IdemixIssuerPublicKey) error
- func (i *IdemixIssuerPublicKey) ToProtos() (*pp.IdemixIssuerPublicKey, error)
type PublicParams
type RangeProofParams

Constants ¶

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const (
	DLogIdentifier = "zkatdlog"
	ProtocolV1     = 1
)

Variables ¶

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var (
	SupportedPrecisions = []uint64{16, 32, 64}
)

Functions ¶

This section is empty.

Types ¶

type IdemixIssuerPublicKey ¶

type IdemixIssuerPublicKey struct {
	PublicKey []byte
	Curve     mathlib.CurveID
}

func (*IdemixIssuerPublicKey) FromProtos ¶

func (i *IdemixIssuerPublicKey) FromProtos(s *pp.IdemixIssuerPublicKey) error

func (*IdemixIssuerPublicKey) ToProtos ¶

func (i *IdemixIssuerPublicKey) ToProtos() (*pp.IdemixIssuerPublicKey, error)

type PublicParams ¶

type PublicParams struct {
	// DriverName is the name of token driver this public params refer to.
	DriverName driver.TokenDriverName
	// DriverVersion is the version of token driver this public params refer to.
	DriverVersion driver.TokenDriverVersion
	// Curve is the pairing-friendly elliptic curve used for everything but Idemix.
	Curve mathlib.CurveID
	// PedersenGenerators contains the public parameters for the Pedersen commitment scheme.
	PedersenGenerators []*mathlib.G1
	// RangeProofParams contains the public parameters for the range proof scheme.
	RangeProofParams *RangeProofParams
	// IdemixIssuerPublicKeys contains the idemix issuer public keys
	// Wallets should prefer the use of keys valid under the public key whose index in the array is the smallest.
	IdemixIssuerPublicKeys []*IdemixIssuerPublicKey
	// Auditors is a list of the public keys of the auditor(s).
	AuditorIDs []driver.Identity
	// IssuerIDs is a list of public keys of the entities that can issue tokens.
	IssuerIDs []driver.Identity
	// MaxToken is the maximum quantity a token can hold
	MaxToken uint64
	// QuantityPrecision is the precision used to represent quantities
	QuantityPrecision uint64
}

func NewPublicParamsFromBytes ¶

func NewPublicParamsFromBytes(
	raw []byte,
	driverName driver.TokenDriverName,
	driverVersion driver.TokenDriverVersion,
) (*PublicParams, error)

func NewWith ¶

func NewWith(driverName driver.TokenDriverName, driverVersion driver.TokenDriverVersion, bitLength uint64, idemixIssuerPK []byte, idemixCurveID mathlib.CurveID) (*PublicParams, error)

func Setup ¶

func Setup(bitLength uint64, idemixIssuerPK []byte, idemixCurveID mathlib.CurveID) (*PublicParams, error)

func (*PublicParams) AddAuditor ¶

func (p *PublicParams) AddAuditor(auditor driver.Identity)

func (*PublicParams) AddIssuer ¶

func (p *PublicParams) AddIssuer(id driver.Identity)

func (*PublicParams) Auditors ¶

func (p *PublicParams) Auditors() []driver.Identity

func (*PublicParams) Bytes ¶

func (p *PublicParams) Bytes() ([]byte, error)

func (*PublicParams) CertificationDriver ¶

func (p *PublicParams) CertificationDriver() string

func (*PublicParams) ComputeHash ¶

func (p *PublicParams) ComputeHash() ([]byte, error)

func (*PublicParams) ComputeMaxTokenValue ¶

func (p *PublicParams) ComputeMaxTokenValue() uint64

func (*PublicParams) Deserialize ¶

func (p *PublicParams) Deserialize(raw []byte) error

func (*PublicParams) GeneratePedersenParameters ¶

func (p *PublicParams) GeneratePedersenParameters() error

func (*PublicParams) GenerateRangeProofParameters ¶

func (p *PublicParams) GenerateRangeProofParameters(bitLength uint64) error

func (*PublicParams) GraphHiding ¶

func (p *PublicParams) GraphHiding() bool

func (*PublicParams) Issuers ¶

func (p *PublicParams) Issuers() []driver.Identity

Issuers returns the list of authorized issuers

func (*PublicParams) MaxTokenValue ¶

func (p *PublicParams) MaxTokenValue() uint64

func (*PublicParams) Precision ¶

func (p *PublicParams) Precision() uint64

func (*PublicParams) Serialize ¶

func (p *PublicParams) Serialize() ([]byte, error)

func (*PublicParams) SetAuditors ¶

func (p *PublicParams) SetAuditors(ids []driver.Identity)

SetAuditors sets the auditors to the passed identities

func (*PublicParams) SetIssuers ¶

func (p *PublicParams) SetIssuers(ids []driver.Identity)

SetIssuers sets the issuers to the passed identities

func (*PublicParams) String ¶

func (p *PublicParams) String() string

func (*PublicParams) TokenDataHiding ¶

func (p *PublicParams) TokenDataHiding() bool

func (*PublicParams) TokenDriverName ¶

func (p *PublicParams) TokenDriverName() driver.TokenDriverName

func (*PublicParams) TokenDriverVersion ¶

func (p *PublicParams) TokenDriverVersion() driver.TokenDriverVersion

func (*PublicParams) Validate ¶

func (p *PublicParams) Validate() error

type RangeProofParams ¶

type RangeProofParams struct {
	LeftGenerators  []*mathlib.G1
	RightGenerators []*mathlib.G1
	P               *mathlib.G1
	Q               *mathlib.G1
	BitLength       uint64
	NumberOfRounds  uint64
}

func (*RangeProofParams) FromProto ¶

func (rpp *RangeProofParams) FromProto(params *pp.RangeProofParams) error

func (*RangeProofParams) ToProtos ¶

func (rpp *RangeProofParams) ToProtos() (*pp.RangeProofParams, error)

func (*RangeProofParams) Validate ¶

func (rpp *RangeProofParams) Validate(curveID mathlib.CurveID) error

Source Files ¶

View all Source files

setup.go

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