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Ylian Saint-Hilaire 2017-08-28 09:27:45 -07:00
parent 802cbecb3c
commit b831b7cb97
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pass.js Normal file
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// check out https://github.com/tj/node-pwd
// Module dependencies.
var crypto = require('crypto');
// Bytesize.
var len = 128;
// Iterations. ~300ms
var iterations = 12000;
/**
* Hashes a password with optional `salt`, otherwise
* generate a salt for `pass` and invoke `fn(err, salt, hash)`.
*
* @param {String} password to hash
* @param {String} optional salt
* @param {Function} callback
* @api public
*/
exports.hash = function (pwd, salt, fn) {
if (3 == arguments.length) {
try {
crypto.pbkdf2(pwd, salt, iterations, len, 'sha256', function (err, hash) { fn(err, hash.toString('base64')); });
} catch (e) {
// If this previous call fails, it's probably because older pbkdf2 did not specify the hashing function, just use the default.
crypto.pbkdf2(pwd, salt, iterations, len, function (err, hash) { fn(err, hash.toString('base64')); });
}
} else {
fn = salt;
crypto.randomBytes(len, function (err, salt) {
if (err) return fn(err);
salt = salt.toString('base64');
try {
crypto.pbkdf2(pwd, salt, iterations, len, 'sha256', function (err, hash) { if (err) { return fn(err); } fn(null, salt, hash.toString('base64')); });
} catch (e) {
// If this previous call fails, it's probably because older pbkdf2 did not specify the hashing function, just use the default.
crypto.pbkdf2(pwd, salt, iterations, len, function (err, hash) { if (err) { return fn(err); } fn(null, salt, hash.toString('base64')); });
}
});
}
};