SwiftKeccak dependencies on two targets: "KeccakTiny" and "Sha3Tiny", based on uport-project's SwiftKeccak, just for easy usage of Xcode projects
dependencies: [
.package(url: "https://github.com/bitflying/SwiftKeccak.git", from: "0.1.0")
]
import SwiftKeccak
let hash: Data = keccak256("SwiftKeccak")