vrf

package

v0.0.0-...-2149dca Latest Latest Go to latest Published: Oct 5, 2023 License: BSD-3-Clause Imports: 7 Imported by: 0

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Repository

gitlab.com/yawning/edwards25519-extra

Links

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Documentation ¶

Overview ¶

Package vrf implements "Verifiable Random Functions (VRFs)" as specified in RFC 9381, providing the ECVRF-EDWARDS25519-SHA512-ELL2 suite.

Index ¶

Constants
func ProofToHash(piString []byte) ([]byte, error)
func Prove(sk ed25519.PrivateKey, alphaString []byte) []byte
func Prove_v10(sk ed25519.PrivateKey, alphaString []byte) []byte
func Verify(pk ed25519.PublicKey, piString, alphaString []byte) (bool, []byte)
func Verify_v10(pk ed25519.PublicKey, piString, alphaString []byte) (bool, []byte)

Constants ¶

View Source

const (
	// ProofSize is the size, in bytes, of proofs as used in this package.
	ProofSize = 80

	// OutputSize is the size, in bytes, of outputs as used in this package.
	OutputSize = 64
)

Variables ¶

This section is empty.

Functions ¶

func ProofToHash ¶

func ProofToHash(piString []byte) ([]byte, error)

ProofToHash implements ECVRF_proof_to_hash for the suite ECVRF-EDWARDS25519-SHA512-ELL2.

ECVRF_proof_to_hash should be run only on pi_string that is known to have been produced by ECVRF_prove, or from within ECVRF_verify.

func Prove ¶

func Prove(sk ed25519.PrivateKey, alphaString []byte) []byte

Prove implements ECVRF_prove for the suite ECVRF-EDWARDS25519-SHA512-ELL2.

func Prove_v10 ¶

func Prove_v10(sk ed25519.PrivateKey, alphaString []byte) []byte

Prove_v10 is Prove but using the draft v7 to v10 semantics.

func Verify ¶

func Verify(pk ed25519.PublicKey, piString, alphaString []byte) (bool, []byte)

Verify implements ECVRF_verify for the suite ECVRF-EDWARDS25519-SHA512-ELL2.

The public key is validated such that the "full uniqueness" and "full collision" properties are satisfied.

func Verify_v10 ¶

func Verify_v10(pk ed25519.PublicKey, piString, alphaString []byte) (bool, []byte)

Verify_v10 is Verify but using the draft v7 to v10 semantics.

Types ¶

This section is empty.

Source Files ¶

View all Source files

ecvrf.go

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