prysm-pulse/shared/keystore/keccak256.go

package keystore

import (
	"golang.org/x/crypto/sha3"
)

// Keccak256 calculates and returns the Keccak256 hash of the input data.
func Keccak256(data ...[]byte) []byte {
	d := sha3.NewLegacyKeccak256()
	for _, b := range data {
		// #nosec G104
		d.Write(b)
	}
	return d.Sum(nil)
}