23 lines
564 B
JavaScript
23 lines
564 B
JavaScript
'use strict';
|
|
|
|
var $isFinite = isFinite;
|
|
var MAX_ALLOC = Math.pow(2, 30) - 1; // default in iojs
|
|
|
|
module.exports = function (iterations, keylen) {
|
|
if (typeof iterations !== 'number') {
|
|
throw new TypeError('Iterations not a number');
|
|
}
|
|
|
|
if (iterations < 0 || !$isFinite(iterations)) {
|
|
throw new TypeError('Bad iterations');
|
|
}
|
|
|
|
if (typeof keylen !== 'number') {
|
|
throw new TypeError('Key length not a number');
|
|
}
|
|
|
|
if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
|
|
throw new TypeError('Bad key length');
|
|
}
|
|
};
|