crypto

func BytesToPrivateKey ¶

func BytesToPrivateKey(input []byte) (*ecdsa.PrivateKey, error)

BytesToPrivateKey reads the input byte array and constructs a private key if possible

func CreateAddress ¶

func CreateAddress(addr types.Address, nonce uint64) types.Address

CreateAddress creates an Ethereum address.

func CreateAddress2 ¶

func CreateAddress2(addr types.Address, salt [32]byte, inithash []byte) types.Address

CreateAddress2 creates an Ethereum address following the CREATE2 Opcode.

func DecodePublicKey ¶

func DecodePublicKey(data []byte, curve elliptic.Curve) (*ecdsa.PublicKey, error)

func Ecrecover ¶

func Ecrecover(hash, sig []byte) ([]byte, error)

func GenerateAndEncodePrivateKey ¶

func GenerateAndEncodePrivateKey() (*ecdsa.PrivateKey, []byte, error)

GenerateAndEncodePrivateKey returns a newly generated private key and the Base64 encoding of that private key

func GenerateKey ¶

func GenerateKey() (*ecdsa.PrivateKey, error)

GenerateKey generates a new key based on the secp256k1 elliptic curve.

func GenerateOrReadPrivateKey ¶

func GenerateOrReadPrivateKey(path string) (*ecdsa.PrivateKey, error)

GenerateOrReadPrivateKey generates a private key at the specified path, or reads it if a key file is present

func HexToPrvKey ¶

func HexToPrvKey(hexkey string) (*ecdsa.PrivateKey, error)

HexToPrvKey hex to private key

func Keccak256 ¶

func Keccak256(v ...[]byte) []byte

Keccak256 calculates the Keccak256

func MarshalPrivateKey ¶

func MarshalPrivateKey(priv *ecdsa.PrivateKey) ([]byte, error)

MarshalPrivateKey serializes the private key's D value to a []byte

func MarshalPublicKey ¶

func MarshalPublicKey(pub *ecdsa.PublicKey) []byte

MarshalPublicKey marshals a public key on the secp256k1 elliptic curve.

func ParsePrivateKey ¶

func ParsePrivateKey(buf []byte) (*ecdsa.PrivateKey, error)

func ParsePublicKey ¶

func ParsePublicKey(buf []byte) (*ecdsa.PublicKey, error)

ParsePublicKey parses bytes into a public key on the secp256k1 elliptic curve.

func PubKeyToAddress ¶

func PubKeyToAddress(pub *ecdsa.PublicKey) types.Address

PubKeyToAddress returns the Ethereum address of a public key

func ReadConsensusKey ¶

func ReadConsensusKey(manager nodekey.SecretsManager) (*ecdsa.PrivateKey, error)

func RecoverPubkey ¶

func RecoverPubkey(signature, hash []byte) (*ecdsa.PublicKey, error)

RecoverPubkey verifies the compact signature "signature" of "hash" for the secp256k1 curve.

func SigToPub ¶

func SigToPub(hash, sig []byte) (*ecdsa.PublicKey, error)

SigToPub returns the public key that created the given signature.

func Sign ¶

func Sign(priv *ecdsa.PrivateKey, hash []byte) ([]byte, error)

Sign produces a compact signature of the data in hash with the given private key on the secp256k1 curve.

func ToECDSA ¶

func ToECDSA(d []byte, strict bool) (*ecdsa.PrivateKey, error)

ToECDSA []byte to privatekey

func ValidateSignatureValues ¶

func ValidateSignatureValues(v byte, r, s *big.Int) bool

ValidateSignatureValues checks if the signature values are correct