bls12381

package
v0.1.0 Latest Latest
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 Go to latest Published: Apr 24, 2026 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var G1Jacs g1JacPool

G1Jacs is a shared *bls12381.G1Jac{} memory pool

Functions

func JointScalarMultiplication 

func JointScalarMultiplication(p *bls12381.G1Jac, a1, a2 *bls12381.G1Affine, s1, s2 *big.Int) *bls12381.G1Jac

JointScalarMultiplication computes [s1]a1+[s2]a2 using Strauss-Shamir technique where a1 and a2 are affine points.

Types

type BBSCurve 

type BBSCurve struct {
	Curve
}

func NewBBSCurve 

func NewBBSCurve() *BBSCurve

func (*BBSCurve) HashToG1 

func (c *BBSCurve) HashToG1(data []byte) driver.G1

func (*BBSCurve) HashToG1WithDomain 

func (c *BBSCurve) HashToG1WithDomain(data, domain []byte) driver.G1

func (*BBSCurve) HashToG2 

func (c *BBSCurve) HashToG2(data []byte) driver.G2

func (*BBSCurve) HashToG2WithDomain 

func (c *BBSCurve) HashToG2WithDomain(data, domain []byte) driver.G2

type Curve 

type Curve struct {
	common.CurveBase
}

func NewCurve 

func NewCurve() *Curve

func (*Curve) CompressedG1ByteSize 

func (c *Curve) CompressedG1ByteSize() int

func (*Curve) CompressedG2ByteSize 

func (c *Curve) CompressedG2ByteSize() int

func (*Curve) CoordinateByteSize 

func (c *Curve) CoordinateByteSize() int

func (*Curve) FExp 

func (c *Curve) FExp(a driver.Gt) driver.Gt

func (*Curve) G1ByteSize 

func (c *Curve) G1ByteSize() int

func (*Curve) G2ByteSize 

func (c *Curve) G2ByteSize() int

func (*Curve) GenG1 

func (c *Curve) GenG1() driver.G1

func (*Curve) GenG2 

func (c *Curve) GenG2() driver.G2

func (*Curve) GenGt 

func (c *Curve) GenGt() driver.Gt

func (*Curve) GroupOrder 

func (c *Curve) GroupOrder() driver.Zr

func (*Curve) HashToG1 

func (c *Curve) HashToG1(data []byte) driver.G1

func (*Curve) HashToG1WithDomain 

func (c *Curve) HashToG1WithDomain(data, domain []byte) driver.G1

func (*Curve) HashToG2 

func (c *Curve) HashToG2(data []byte) driver.G2

func (*Curve) HashToG2WithDomain 

func (c *Curve) HashToG2WithDomain(data, domain []byte) driver.G2

func (*Curve) HashToZr 

func (c *Curve) HashToZr(data []byte) driver.Zr

func (*Curve) ModAdd 

func (c *Curve) ModAdd(a1, b1, m driver.Zr) driver.Zr

func (*Curve) ModAdd2 

func (c *Curve) ModAdd2(a1, b1, c1, m driver.Zr)

func (*Curve) ModAddMul 

func (c *Curve) ModAddMul(a1, b1 []driver.Zr, m driver.Zr) driver.Zr

func (*Curve) ModAddMul2 

func (c *Curve) ModAddMul2(a1 driver.Zr, c1 driver.Zr, b1 driver.Zr, c2 driver.Zr, m driver.Zr) driver.Zr

func (*Curve) ModAddMul2InPlace 

func (c *Curve) ModAddMul2InPlace(result driver.Zr, a1, c1, b1, c2, m driver.Zr)

func (*Curve) ModAddMul3 

func (c *Curve) ModAddMul3(
	a1 driver.Zr,
	a2 driver.Zr,
	b1 driver.Zr,
	b2 driver.Zr,
	d1 driver.Zr,
	d2 driver.Zr,
	m driver.Zr,
) driver.Zr

func (*Curve) ModAddMul3InPlace 

func (c *Curve) ModAddMul3InPlace(result driver.Zr, a1, a2, b1, b2, d1, d2, m driver.Zr)

func (*Curve) ModMul 

func (c *Curve) ModMul(a1, b1, m driver.Zr) driver.Zr

func (*Curve) ModMulInPlace 

func (c *Curve) ModMulInPlace(result, a, b, m driver.Zr)

func (*Curve) ModNeg 

func (c *Curve) ModNeg(a1, m driver.Zr) driver.Zr

func (*Curve) ModSub 

func (c *Curve) ModSub(a1, b1, m driver.Zr) driver.Zr

func (*Curve) MultiScalarMul 

func (c *Curve) MultiScalarMul(a []driver.G1, b []driver.Zr) driver.G1

func (*Curve) NewG1 

func (c *Curve) NewG1() driver.G1

func (*Curve) NewG1FromBytes 

func (c *Curve) NewG1FromBytes(b []byte) driver.G1

func (*Curve) NewG1FromCompressed 

func (c *Curve) NewG1FromCompressed(b []byte) driver.G1

func (*Curve) NewG2 

func (c *Curve) NewG2() driver.G2

func (*Curve) NewG2FromBytes 

func (c *Curve) NewG2FromBytes(b []byte) driver.G2

func (*Curve) NewG2FromCompressed 

func (c *Curve) NewG2FromCompressed(b []byte) driver.G2

func (*Curve) NewGtFromBytes 

func (c *Curve) NewGtFromBytes(b []byte) driver.Gt

func (*Curve) NewRandomZr 

func (c *Curve) NewRandomZr(rng io.Reader) driver.Zr

func (*Curve) NewZrFromBigInt 

func (c *Curve) NewZrFromBigInt(i *big.Int) driver.Zr

func (*Curve) NewZrFromBytes 

func (c *Curve) NewZrFromBytes(b []byte) driver.Zr

func (*Curve) NewZrFromInt64 

func (c *Curve) NewZrFromInt64(i int64) driver.Zr

func (*Curve) NewZrFromUint64 

func (c *Curve) NewZrFromUint64(i uint64) driver.Zr

func (*Curve) Pairing 

func (c *Curve) Pairing(p2 driver.G2, p1 driver.G1) driver.Gt

func (*Curve) Pairing2 

func (c *Curve) Pairing2(p2a, p2b driver.G2, p1a, p1b driver.G1) driver.Gt

func (*Curve) Rand 

func (p *Curve) Rand() (io.Reader, error)

func (*Curve) ScalarByteSize 

func (c *Curve) ScalarByteSize() int

type G1 

type G1 struct {
	bls12381.G1Affine
}

func (*G1) Add 

func (g *G1) Add(a driver.G1)

func (*G1) Bytes 

func (g *G1) Bytes() []byte

func (*G1) Clone 

func (g *G1) Clone(a driver.G1)

func (*G1) Compressed 

func (g *G1) Compressed() []byte

func (*G1) Copy 

func (e *G1) Copy() driver.G1

func (*G1) Equals 

func (g *G1) Equals(a driver.G1) bool

func (*G1) IsInfinity 

func (g *G1) IsInfinity() bool

func (*G1) Mul 

func (g *G1) Mul(a driver.Zr) driver.G1

func (*G1) Mul2 

func (g *G1) Mul2(e driver.Zr, Q driver.G1, f driver.Zr) driver.G1

func (*G1) Mul2InPlace 

func (g *G1) Mul2InPlace(e driver.Zr, Q driver.G1, f driver.Zr)

func (*G1) Neg 

func (g *G1) Neg()

func (*G1) String 

func (g *G1) String() string

func (*G1) Sub 

func (g *G1) Sub(a driver.G1)

type G2 

type G2 struct {
	bls12381.G2Affine
}

func (*G2) Add 

func (g *G2) Add(a driver.G2)

func (*G2) Affine 

func (g *G2) Affine()

func (*G2) Bytes 

func (g *G2) Bytes() []byte

func (*G2) Clone 

func (g *G2) Clone(a driver.G2)

func (*G2) Compressed 

func (g *G2) Compressed() []byte

func (*G2) Copy 

func (e *G2) Copy() driver.G2

func (*G2) Equals 

func (g *G2) Equals(a driver.G2) bool

func (*G2) Mul 

func (g *G2) Mul(a driver.Zr) driver.G2

func (*G2) String 

func (g *G2) String() string

func (*G2) Sub 

func (g *G2) Sub(a driver.G2)

type Gt 

type Gt struct {
	bls12381.GT
}

func (*Gt) Bytes 

func (g *Gt) Bytes() []byte

func (*Gt) Equals 

func (g *Gt) Equals(a driver.Gt) bool

func (*Gt) Exp 

func (g *Gt) Exp(x driver.Zr) driver.Gt

func (*Gt) Inverse 

func (g *Gt) Inverse()

func (*Gt) IsUnity 

func (g *Gt) IsUnity() bool

func (*Gt) Mul 

func (g *Gt) Mul(a driver.Gt)

func (*Gt) ToString 

func (g *Gt) ToString() string

type Zr 

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

Zr represents a scalar field element backed by fr.Element ([4]uint64). The rawBigInt field is non-nil only for special values like GroupOrder (which equals p and is 0 in the field but needs its actual big.Int value for operations like Mod and InvModP).

func (*Zr) BigInt 

func (b *Zr) BigInt() *big.Int

func (*Zr) Bytes 

func (b *Zr) Bytes() []byte

func (*Zr) Clone 

func (b *Zr) Clone(a driver.Zr)

func (*Zr) Copy 

func (b *Zr) Copy() driver.Zr

func (*Zr) Equals 

func (b *Zr) Equals(p driver.Zr) bool

func (*Zr) InvModOrder 

func (b *Zr) InvModOrder()

func (*Zr) InvModP 

func (b *Zr) InvModP(p driver.Zr)

func (*Zr) IsOne 

func (b *Zr) IsOne() bool

func (*Zr) IsZero 

func (b *Zr) IsZero() bool

func (*Zr) Minus 

func (b *Zr) Minus(a driver.Zr) driver.Zr

func (*Zr) Mod 

func (b *Zr) Mod(a driver.Zr)

func (*Zr) Mul 

func (b *Zr) Mul(x driver.Zr) driver.Zr

func (*Zr) Neg 

func (b *Zr) Neg()

func (*Zr) Plus 

func (b *Zr) Plus(a driver.Zr) driver.Zr

func (*Zr) PowMod 

func (b *Zr) PowMod(x driver.Zr) driver.Zr

func (*Zr) String 

func (b *Zr) String() string

Source Files

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