Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.8)
// Compass (v1.0.0.alpha.19)
// SassyBitwise (v1.1.2)
// ----

@import "SassyBitwise";

$ascii: (
  32: " ", // (space)
  33: "!",
  34: '"',
  35: "#",
  36: "$",
  37: "%",
  38: "&",
  39: "'",
  40: "(",
  41: ")",
  42: "*",
  43: "+",
  44: ",",
  45: "-",
  46: ".",
  47: "/",
  48: "0",
  49: "1",
  50: "2",
  51: "3",
  52: "4",
  53: "5",
  54: "6",
  55: "7",
  56: "8",
  57: "9",
  58: ":",
  59: ";",
  60: "<",
  61: "=",
  62: ">",
  63: "?",
  64: "@",
  65: "A",
  66: "B",
  67: "C",
  68: "D",
  69: "E",
  70: "F",
  71: "G",
  72: "H",
  73: "I",
  74: "J",
  75: "K",
  76: "L",
  77: "M",
  78: "N",
  79: "O",
  80: "P",
  81: "Q",
  82: "R",
  83: "S",
  84: "T",
  85: "U",
  86: "V",
  87: "W",
  88: "X",
  89: "Y",
  90: "Z",
  91: "[",
  92: "\\",
  93: "]",
  94: "^",
  95: "_",
  96: "`",
  97: "a",
  98: "b",
  99: "c",
  100: "d",
  101: "e",
  102: "f",
  103: "g",
  104: "h",
  105: "i",
  106: "j",
  107: "k",
  108: "l",
  109: "m",
  110: "n",
  111: "o",
  112: "p",
  113: "q",
  114: "r",
  115: "s",
  116: "t",
  117: "u",
  118: "v",
  119: "w",
  120: "x",
  121: "y",
  122: "z",
  123: "{",
  124: "|",
  125: "}",
  126: "~"
);

@function backslash() {
  @return str-slice('\\', -1);
}

@function ascii-char($code) {
  @if $code == 92 { 
    @return backslash();
  }

  @return map-get($ascii, $code);
}

@function ascii-code($char) {
  @if $char == backslash() { 
    @return 92;
  }

  @return map-search($ascii, $char);
}



// Searches the map for a given value
// and returns the corresponding key if successful.
// --------
// @param [map] $map
// @param [literal] $value
// --------
// @return [literal]

@function map-search($map, $value) {
  $keys: map-keys($map);
  $values: map-values($map);
  $index: index($values, $value);

  @if not $index {
    @warn "No value found for '#{$value}' in map.";
    @return false;
  }

  @return nth($keys, $index);
}

@function char-code-at($str, $index: 1) {
  @return ascii-code(str-slice($str, $index, $index));
}

@function from-char-code($code) {
  @return ascii-char($code);
}



@function key-char-at($key, $index) {
  @return char-code-at($key, floor($index % str-length($key)));
}

@function xor-encrypt($message, $key) {
  $result: ();
  
  @for $i from 1 through str-length($message) {
    $c: bw(char-code-at($message, $i) '^' key-char-at($key, $i));
    $result: append($result, $c);
  }
  
  @return $result;
}

@function xor-decrypt($message, $key) {
  $result: '';
  
  @for $i from 1 through length($message) {
    $c: bw(nth($message, $i) '^' key-char-at($key, $i));
    $result: $result + from-char-code($c);
  }
  
  @return $result;
}


tests {
  $e: xor-encrypt('Hallo Berlin !', 'abc');
  
  e: $e;
  d: xor-decrypt($e, 'abc');
}

SassMeister-output.css

tests {
  e: 41 3 13 13 13 65 35 7 19 13 11 15 65 67;
  d: "Hallo Berlin !";
}