| 1 | var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
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| 2 | module.exports = function (iterations, keylen) {
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| 3 | if (typeof iterations !== 'number') {
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| 4 | throw new TypeError('Iterations not a number')
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| 5 | }
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| 6 |
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| 7 | if (iterations < 0) {
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| 8 | throw new TypeError('Bad iterations')
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| 9 | }
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| 10 |
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| 11 | if (typeof keylen !== 'number') {
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| 12 | throw new TypeError('Key length not a number')
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| 13 | }
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| 14 |
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| 15 | if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
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| 16 | throw new TypeError('Bad key length')
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| 17 | }
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| 18 | }
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