operation

package
v0.0.0-...-7ece11e Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 29, 2023 License: MIT Imports: 8 Imported by: 0

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Index

Constants

View Source 
const (
	Ed25519KeySize     = 32
	TxRandomIndexSize  = 4
	CStringBulletProof = "bulletproof"
	CStringAssetTag    = "blindedassettag"
	CStringOTA         = "onetimeaddress"
)
View Source 
const (
	PedersenPrivateKeyIndex = byte(0x00)
	PedersenValueIndex      = byte(0x01)
	PedersenSndIndex        = byte(0x02)
	PedersenShardIDIndex    = byte(0x03)
	PedersenRandomnessIndex = byte(0x04)
)

Variables

This section is empty.

Functions

func CheckDuplicateScalarArray 

func CheckDuplicateScalarArray(arr []*Scalar) bool

func Compare 

func Compare(sca, scb *Scalar) int

func IsPointEqual 

func IsPointEqual(pa *Point, pb *Point) bool

func IsScalarEqual 

func IsScalarEqual(sc1, sc2 *Scalar) bool

func Reverse 

func Reverse(x C25519.Key) (result C25519.Key)

Types

type PedersenCommitment 

type PedersenCommitment struct {
	G []*Point // generators

}

PedersenCommitment represents the parameters for the commitment 

var PedCom PedersenCommitment = NewPedersenParams()

func NewPedersenParams 

func NewPedersenParams() PedersenCommitment

func (PedersenCommitment) CommitAll 

func (com PedersenCommitment) CommitAll(openings []*Scalar) (*Point, error)

CommitAll commits a list of PCM_CAPACITY value(s)

func (PedersenCommitment) CommitAtIndex 

func (com PedersenCommitment) CommitAtIndex(value, rand *Scalar, index byte) *Point

CommitAtIndex commits specific value with index and returns 34 bytes g^v x h^rand

type Point 

type Point struct {
	// contains filtered or unexported fields
}
var GBase, HBase, RandomBase *Point

func HashToPoint 

func HashToPoint(b []byte) *Point

func HashToPointFromIndex 

func HashToPointFromIndex(index int64, padStr string) *Point

func NewGeneratorPoint 

func NewGeneratorPoint() *Point

func RandomPoint 

func RandomPoint() *Point

func (*Point) Add 

func (p *Point) Add(pa, pb *Point) *Point

func (*Point) AddPedersen 

func (p *Point) AddPedersen(a *Scalar, A *Point, b *Scalar, B *Point) *Point

aA + bB

func (*Point) AddPedersenCached 

func (p *Point) AddPedersenCached(a *Scalar, APreCompute [8]C25519.CachedGroupElement, b *Scalar, BPreCompute [8]C25519.CachedGroupElement) *Point

func (*Point) Derive 

func (p *Point) Derive(pa *Point, a *Scalar, b *Scalar) *Point

func (*Point) FromBytes 

func (p *Point) FromBytes(b [Ed25519KeySize]byte) (*Point, error)

func (*Point) FromBytesS 

func (p *Point) FromBytesS(b []byte) (*Point, error)

func (Point) GetKey 

func (p Point) GetKey() C25519.Key

func (*Point) Identity 

func (p *Point) Identity() *Point

func (*Point) InvertScalarMult 

func (p *Point) InvertScalarMult(pa *Point, a *Scalar) *Point

func (*Point) InvertScalarMultBase 

func (p *Point) InvertScalarMultBase(a *Scalar) *Point

func (Point) IsIdentity 

func (p Point) IsIdentity() bool

func (Point) MarshalText 

func (p Point) MarshalText() []byte

func (*Point) MultiScalarMult 

func (p *Point) MultiScalarMult(scalarLs []*Scalar, pointLs []*Point) *Point

func (*Point) MultiScalarMultCached 

func (p *Point) MultiScalarMultCached(scalarLs []*Scalar, pointPreComputedLs [][8]C25519.CachedGroupElement) *Point

func (Point) PointValid 

func (p Point) PointValid() bool

func (*Point) ScalarMult 

func (p *Point) ScalarMult(pa *Point, a *Scalar) *Point

func (*Point) ScalarMultBase 

func (p *Point) ScalarMultBase(a *Scalar) *Point

does a * G where a is a scalar and G is the curve basepoint

func (*Point) Set 

func (p *Point) Set(q *Point) *Point

func (*Point) SetKey 

func (p *Point) SetKey(a *C25519.Key) (*Point, error)

func (Point) Show 

func (p Point) Show() string

func (Point) String 

func (p Point) String() string

func (*Point) Sub 

func (p *Point) Sub(pa, pb *Point) *Point

func (Point) ToBytes 

func (p Point) ToBytes() [Ed25519KeySize]byte

func (Point) ToBytesS 

func (p Point) ToBytesS() []byte

func (*Point) UnmarshalText 

func (p *Point) UnmarshalText(data []byte) (*Point, error)

type Scalar 

type Scalar struct {
	// contains filtered or unexported fields
}

func HashToScalar 

func HashToScalar(data []byte) *Scalar

func RandomScalar 

func RandomScalar() *Scalar

func (*Scalar) Add 

func (sc *Scalar) Add(a, b *Scalar) *Scalar

func (*Scalar) Exp 

func (sc *Scalar) Exp(a *Scalar, v uint64) *Scalar

func (*Scalar) FromBytes 

func (sc *Scalar) FromBytes(b [Ed25519KeySize]byte) *Scalar

func (*Scalar) FromBytesS 

func (sc *Scalar) FromBytesS(b []byte) *Scalar

func (*Scalar) FromUint64 

func (sc *Scalar) FromUint64(i uint64) *Scalar

func (Scalar) GetKey 

func (sc Scalar) GetKey() C25519.Key

func (*Scalar) Invert 

func (sc *Scalar) Invert(a *Scalar) *Scalar

func (*Scalar) IsOne 

func (sc *Scalar) IsOne() bool

func (*Scalar) IsZero 

func (sc *Scalar) IsZero() bool

func (Scalar) MarshalText 

func (sc Scalar) MarshalText() []byte

func (*Scalar) Mul 

func (sc *Scalar) Mul(a, b *Scalar) *Scalar

func (*Scalar) MulAdd 

func (sc *Scalar) MulAdd(a, b, c *Scalar) *Scalar

a*b + c % l

func (*Scalar) ScalarValid 

func (sc *Scalar) ScalarValid() bool

func (*Scalar) Set 

func (sc *Scalar) Set(a *Scalar) *Scalar

func (*Scalar) SetKey 

func (sc *Scalar) SetKey(a *C25519.Key) (*Scalar, error)

func (*Scalar) SetKeyUnsafe 

func (p *Scalar) SetKeyUnsafe(a *C25519.Key) *Scalar

Should not use this if you don't know what you are doing

func (Scalar) String 

func (sc Scalar) String() string

func (*Scalar) Sub 

func (sc *Scalar) Sub(a, b *Scalar) *Scalar

func (Scalar) ToBytes 

func (sc Scalar) ToBytes() [Ed25519KeySize]byte

func (Scalar) ToBytesS 

func (sc Scalar) ToBytesS() []byte

func (*Scalar) ToUint64Little 

func (sc *Scalar) ToUint64Little() uint64

func (*Scalar) UnmarshalText 

func (sc *Scalar) UnmarshalText(data []byte) (*Scalar, error)

Source Files

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