jose/lib/help/key_utils.js
2019-03-11 21:28:45 +01:00

22 lines
602 B
JavaScript

const keyto = require('@trust/keyto')
const errors = require('../errors')
const SUPPORTED = new Set(['EC', 'RSA'])
module.exports.keyObjectToJWK = (keyObject) => {
const type = keyObject.type === 'private' ? 'pkcs8' : 'spki'
const format = 'pem'
const pem = keyObject.export({ type, format })
return keyto.from(pem, 'pem').toJwk(keyObject.type)
}
module.exports.jwkToPem = (jwk) => {
if (!SUPPORTED.has(jwk.kty)) {
throw new errors.JOSENotSupported(`unsupported key type: ${jwk.kty}`)
}
return keyto.from(jwk, 'jwk').toString('pem', jwk.d ? 'private_pkcs8' : 'public_pkcs8')
}