TiddlyWiki5/core/modules/filters/crypto.js

28 lines
602 B
JavaScript

/*\
title: $:/core/modules/filters/crypto.js
type: application/javascript
module-type: filteroperator
Filter operators for cryptography, using the Stanford JavaScript library
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.sha256 = function(source,operator,options) {
var results = [],
length = parseInt(operator.operand,10) || 20,
sha256 = function(text) {
return sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(text)).substr(0,length);
};
source(function(tiddler,title) {
results.push(sha256(title));
});
return results;
};
})();