26 lines
406 B
JavaScript
26 lines
406 B
JavaScript
/**
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* Expose secure-compare
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*/
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module.exports = compare;
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/**
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* Secure compare
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*/
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function compare (a, b) {
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if (typeof a !== 'string' || typeof b !== 'string') return false;
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var mismatch = a.length === b.length ? 0 : 1;
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if (mismatch) {
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b = a;
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}
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for (var i = 0, il = a.length; i < il; ++i) {
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mismatch |= (a.charCodeAt(i) ^ b.charCodeAt(i));
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}
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return mismatch === 0;
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};
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