adventofcode_day4.js

// MD5 hash puzzle test

function findHash(){
  var secretKey = "iwrupvqb";
  var tempKey = "";
  var solution = "";
  var solutionFound = false;
  
  for (var i = 0; i < 2000000; i++){
    
    if (!solutionFound){
      
      tempKey = secretKey + i;
      hashValue = String(CryptoJS.MD5(tempKey));
      console.log(i+": "+hashValue);
      
      if (hashValue.substring(0, 5) === "00000"){
        solution = hashValue;
        alert(solution);
        solutionFound=true;
      }
      
      tempKey = "";
    }

  }

  if (solutionFound){
    console.log("SOLUTION FOUND WITH HASH CODE: "+solution)
  }
}

findHash();