getsalt.js

(function () {
	var charArray = "ABCDEFGHI~`!@JKLMNOPQRSTUVWXYZ#$%^abcdefghijklm&*()nopqrstuvwxyz-_=+1234567890{[}]|:;',.<>?/".split("");

	var crypto = window.crypto || window.msCrypto;

	if (!crypto.subtle) {
		console.log("crypto not supported");
		return;
	}

	function getSalt (strLength) {
		strLength = strLength || 64;
		var array = new Uint8Array(strLength), salt = "",
		arrLength, i = 0;

		crypto.getRandomValues(array);
		arrLength = array.length;

		while (i < arrLength) {
			salt += charArray[((new Date()).getTime() + array[i]) % 92];
			i += 1;
		}
		return salt;
	}

	window.getSalt = getSalt;


}());