| 1 | const { sign: signOneShot, verify: verifyOneShot } = require('crypto')
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| 2 |
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| 3 | const { KEYOBJECT } = require('../help/consts')
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| 4 | const { edDSASupported } = require('../help/runtime_support')
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| 5 |
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| 6 | const sign = ({ [KEYOBJECT]: keyObject }, payload) => {
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| 7 | if (typeof payload === 'string') {
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| 8 | payload = Buffer.from(payload)
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| 9 | }
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| 10 | return signOneShot(undefined, payload, keyObject)
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| 11 | }
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| 12 |
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| 13 | const verify = ({ [KEYOBJECT]: keyObject }, payload, signature) => {
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| 14 | return verifyOneShot(undefined, payload, keyObject, signature)
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| 15 | }
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| 16 |
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| 17 | module.exports = (JWA, JWK) => {
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| 18 | if (edDSASupported) {
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| 19 | JWA.sign.set('EdDSA', sign)
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| 20 | JWA.verify.set('EdDSA', verify)
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| 21 | JWK.OKP.sign.EdDSA = key => key.private && JWK.OKP.verify.EdDSA(key)
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| 22 | JWK.OKP.verify.EdDSA = key => (key.use === 'sig' || key.use === undefined) && key.keyObject.asymmetricKeyType.startsWith('ed')
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| 23 | }
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| 24 | }
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