Function rotateLeft

src/module/utils/getMD5.js:1–3

(lValue, iShiftBits)

let rotateLeft = function(lValue, iShiftBits) {
    return(lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
}

let addUnsigned = function(lX, lY) {
    let lX4, lY4, lX8, lY8, lResult;