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15 lines
333 B
JavaScript
15 lines
333 B
JavaScript
const { randomBytes } = require('crypto')
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const IVLENGTHS = {
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'A128CBC-HS256': 128 / 8,
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'A128GCM': 96 / 8,
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'A128GCMKW': 96 / 8,
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'A192CBC-HS384': 128 / 8,
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'A192GCM': 96 / 8,
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'A192GCMKW': 96 / 8,
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'A256CBC-HS512': 128 / 8,
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'A256GCM': 96 / 8,
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'A256GCMKW': 96 / 8
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}
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module.exports = alg => randomBytes(IVLENGTHS[alg])
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