Compute a hash string using the specified digest algorithm on the specified value

[oshliaer]

Target

hash_('test', 'MD2');
> dd34716876364a02d0195e2fb9ae2d1b

hash_('');
> d41d8cd98f00b204e9800998ecf8427e

hash_('test');
> 098f6bcd4621d373cade4e832627b4f6

Snippet

/**
* Compute a hash string using the specified digest algorithm on the specified value.
* @param {String} value The specified value.
* @param {String} digestAlgorithm The name of Enum DigestAlgorithm: MD2, MD5, SHA_1, SHA_256, SHA_384, SHA_512
* @param {String} charset The name of Enum Charset: US_ASCII, UTF_8.
* @returns {String} The hash of value.
*/

function hash_(str, digestAlgorithm, charset) {
  charset = charset || Utilities.Charset.UTF_8;
  digestAlgorithm = digestAlgorithm || 'MD5';
  var digest = Utilities.computeDigest(Utilities.DigestAlgorithm[digestAlgorithm], str, charset);
  var __ = '';
  for (i = 0; i < digest.length; i++) {
    var byte = digest[i];
    if (byte < 0) byte += 256;
    var bStr = byte.toString(16);
    if (bStr.length == 1) bStr = '0' + bStr;
    __ += bStr;
  }
  return __;
}

Testing

/*
  Testing by GasT https://github.com/zixia/gast
*/

function test(){
  if ((typeof GasTap)==='undefined') { // GasT Initialization. (only if not initialized yet.)
    var cs = CacheService.getScriptCache().get('gast');
    if(!cs){
      cs = UrlFetchApp.fetch('https://raw.githubusercontent.com/zixia/gast/master/src/gas-tap-lib.js').getContentText();
      CacheService.getScriptCache().put('gast', cs, 21600);
    }
    eval(cs);
  } // Class GasTap is ready for use now!
  
  var test = new GasTap();
  
  test('Md5', function (t) {
    var i = hash_('');
    t.equal(i, 'd41d8cd98f00b204e9800998ecf8427e', '"" is d41d8cd98f00b204e9800998ecf8427e')
  });
  
  test('Md5', function (t) {
    var i = hash_('test', 'MD5');
    t.equal(i, '098f6bcd4621d373cade4e832627b4f6', '"" is 098f6bcd4621d373cade4e832627b4f6')
  });
  
  test('Md2', function (t) {
    var i = hash_('test', 'MD2');
    t.equal(i, 'dd34716876364a02d0195e2fb9ae2d1b', '"" is dd34716876364a02d0195e2fb9ae2d1b')
  });
  
  test('SHA_1', function (t) {
    var i = hash_('test', 'SHA_1');
    t.equal(i, 'a94a8fe5ccb19ba61c4c0873d391e987982fbbd3', '"" is a94a8fe5ccb19ba61c4c0873d391e987982fbbd3')
  });
  
  test('SHA_256', function (t) {
    var i = hash_('test', 'SHA_256');
    t.equal(i, '9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', '"" is 9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08')
  });
  
  test('SHA_384', function (t) {
    var i = hash_('test', 'SHA_384');
    t.equal(i, '768412320f7b0aa5812fce428dc4706b3cae50e02a64caa16a782249bfe8efc4b7ef1ccb126255d196047dfedf17a0a9', '"" is 768412320f7b0aa5812fce428dc4706b3cae50e02a64caa16a782249bfe8efc4b7ef1ccb126255d196047dfedf17a0a9')
  });
  
  test('SHA_512', function (t) {
    var i = hash_('test', 'SHA_512');
    t.equal(i, 'ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff', '"" is ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff')
  });
  
  test.finish()
}