powersoftau

package

v0.0.0-...-e2af113 Latest Latest Go to latest Published: Feb 20, 2018 License: MIT Imports: 11 Imported by: 1

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Repository

github.com/FiloSottile/powersoftau

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func HashToG2(digest []byte) *bls12.EP2
func NewKeypair(digest []byte) (*PublicKey, *PrivateKey)
func WriteNextChallenge(filename string, ch *Challenge) error
func WriteResponse(filename string, ch *Challenge) error
type Accumulator
- func ReadAccumulator(r io.Reader, compressed bool) (*Accumulator, error)
- func (a *Accumulator) WriteTo(w io.Writer, compressed bool) error
type Challenge
- func ReadChallenge(filename string) (*Challenge, error)
- func (c *Challenge) Compute(processes int)
type PrivateKey
type PublicKey
- func (p *PublicKey) WriteTo(w io.Writer) error

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	TauPowers     = 1 << 21
	TauPowersG1   = TauPowers<<1 - 1
	ChallengeSize = TauPowersG1*bls12.G1UncompressedSize +
		TauPowers*bls12.G2UncompressedSize +
		TauPowers*bls12.G1UncompressedSize +
		TauPowers*bls12.G1UncompressedSize +
		bls12.G2UncompressedSize +
		blake2b.Size
	PublicKeySize = 3*bls12.G2UncompressedSize + 6*bls12.G1UncompressedSize
	ResponseSize  = TauPowersG1*bls12.G1CompressedSize +
		TauPowers*bls12.G2CompressedSize +
		TauPowers*bls12.G1CompressedSize +
		TauPowers*bls12.G1CompressedSize +
		bls12.G2CompressedSize +
		blake2b.Size + PublicKeySize
)

Functions ¶

func HashToG2 ¶

func HashToG2(digest []byte) *bls12.EP2

func NewKeypair ¶

func NewKeypair(digest []byte) (*PublicKey, *PrivateKey)

func WriteNextChallenge ¶

func WriteNextChallenge(filename string, ch *Challenge) error

func WriteResponse ¶

func WriteResponse(filename string, ch *Challenge) error

Types ¶

type Accumulator ¶

type Accumulator struct {
	TauG1    []*bls12.EP
	TauG2    []*bls12.EP2
	AlphaTau []*bls12.EP
	BetaTau  []*bls12.EP
	BetaG2   *bls12.EP2
}

func ReadAccumulator ¶

func ReadAccumulator(r io.Reader, compressed bool) (*Accumulator, error)

func (*Accumulator) WriteTo ¶

func (a *Accumulator) WriteTo(w io.Writer, compressed bool) error

type Challenge ¶

type Challenge struct {
	PreviousHash  []byte
	ChallengeHash []byte
	ResponseHash  []byte

	Accumulator *Accumulator
	PublicKey   *PublicKey
}

func ReadChallenge ¶

func ReadChallenge(filename string) (*Challenge, error)

func (*Challenge) Compute ¶

func (c *Challenge) Compute(processes int)

type PrivateKey ¶

type PrivateKey struct {
	Tau, Alpha, Beta []byte
}

type PublicKey ¶

type PublicKey struct {
	Tau, Alpha, Beta struct {
		S     *bls12.EP
		Sx    *bls12.EP
		SxG2x *bls12.EP2
	}
}

func (*PublicKey) WriteTo ¶

func (p *PublicKey) WriteTo(w io.Writer) error

Source Files ¶

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