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https://github.com/danbulant/jose
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18 lines
408 B
JavaScript
18 lines
408 B
JavaScript
const { timingSafeEqual: TSE } = require('crypto')
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const paddedBuffer = (input, length) => {
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if (input.length === length) {
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return input
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}
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const buffer = Buffer.alloc(length)
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input.copy(buffer)
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return buffer
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}
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const timingSafeEqual = (a, b) => {
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const length = Math.max(a.length, b.length)
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return TSE(paddedBuffer(a, length), paddedBuffer(b, length))
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}
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module.exports = timingSafeEqual
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