| 1 | const { randomBytes } = require('crypto')
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| 2 |
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| 3 | const { createSecretKey } = require('../help/key_object')
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| 4 | const { KEYLENGTHS } = require('../registry')
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| 5 | const Key = require('../jwk/key/oct')
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| 6 |
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| 7 | module.exports = (alg) => {
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| 8 | const keyLength = KEYLENGTHS.get(alg)
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| 9 |
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| 10 | if (!keyLength) {
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| 11 | return new Key({ type: 'secret' })
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| 12 | }
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| 13 |
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| 14 | return new Key(createSecretKey(randomBytes(keyLength / 8)), { use: 'enc', alg })
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| 15 | }
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