sr25519

package
Version: v0.0.1 Latest Latest
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Published: Jun 7, 2021 License: Apache-2.0 Imports: 8 Imported by: 0

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Index

Constants

View Source
const (
	PrivKeyName = "tendermint/PrivKeySr25519"
	PubKeyName  = "tendermint/PubKeySr25519"

	// SignatureSize is the size of an Edwards25519 signature. Namely the size of a compressed
	// Sr25519 point, and a field element. Both of which are 32 bytes.
	SignatureSize = 64
)
View Source
const PrivKeySize = 32

PrivKeySize is the number of bytes in an Sr25519 private key.

View Source
const (
	PubKeySize = 32
)

PubKeySize is the number of bytes in an Sr25519 public key.

Variables

This section is empty.

Functions

This section is empty.

Types

type PrivKey

type PrivKey []byte

PrivKeySr25519 implements crypto.PrivKey.

func GenPrivKey

func GenPrivKey() PrivKey

GenPrivKey generates a new sr25519 private key. It uses OS randomness in conjunction with the current global random seed in tendermint/libs/common to generate the private key.

func GenPrivKeyFromSecret

func GenPrivKeyFromSecret(secret []byte) PrivKey

GenPrivKeyFromSecret hashes the secret with SHA2, and uses that 32 byte output to create the private key. NOTE: secret should be the output of a KDF like bcrypt, if it's derived from user input.

func (PrivKey) Bytes

func (privKey PrivKey) Bytes() []byte

Bytes returns the byte representation of the PrivKey.

func (PrivKey) Equals

func (privKey PrivKey) Equals(other crypto.PrivKey) bool

Equals - you probably don't need to use this. Runs in constant time based on length of the keys.

func (PrivKey) PubKey

func (privKey PrivKey) PubKey() crypto.PubKey

PubKey gets the corresponding public key from the private key.

func (PrivKey) Sign

func (privKey PrivKey) Sign(msg []byte) ([]byte, error)

Sign produces a signature on the provided message.

func (PrivKey) Type

func (privKey PrivKey) Type() string

type PubKey

type PubKey []byte

PubKeySr25519 implements crypto.PubKey for the Sr25519 signature scheme.

func (PubKey) Address

func (pubKey PubKey) Address() crypto.Address

Address is the SHA256-20 of the raw pubkey bytes.

func (PubKey) Bytes

func (pubKey PubKey) Bytes() []byte

Bytes returns the byte representation of the PubKey.

func (PubKey) Equals

func (pubKey PubKey) Equals(other crypto.PubKey) bool

Equals - checks that two public keys are the same time Runs in constant time based on length of the keys.

func (PubKey) String

func (pubKey PubKey) String() string

func (PubKey) Type

func (pubKey PubKey) Type() string

func (PubKey) VerifySignature

func (pubKey PubKey) VerifySignature(msg []byte, sig []byte) bool

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