Sesame-Server/Sources/App/API/UInt32+Extensions.swift

import Foundation
import CoreFoundation

extension UInt32 {

    /**
     Create a value from a little-endian data representation (MSB first)
     - Note: The data must contain exactly four bytes.
     */
    init(data: Data) {
        let value = data.convert(into: UInt32.zero)
        self = CFSwapInt32LittleToHost(value)
    }

    /// The value encoded to a little-endian representation
    var encoded: Data {
        Data(from: CFSwapInt32HostToLittle(self))
    }
}