Add node modules and compiled JavaScript from main (#54)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/jose/lib/jwk/key/okp.js

@@ -0,0 +1,86 @@
+const { generateKeyPairSync, generateKeyPair: async } = require('crypto')
+const { promisify } = require('util')
+
+const {
+  THUMBPRINT_MATERIAL, JWK_MEMBERS, PUBLIC_MEMBERS,
+  PRIVATE_MEMBERS, KEY_MANAGEMENT_DECRYPT, KEY_MANAGEMENT_ENCRYPT
+} = require('../../help/consts')
+const { OKP_CURVES } = require('../../registry')
+const { edDSASupported } = require('../../help/runtime_support')
+const errors = require('../../errors')
+
+const Key = require('./base')
+
+const generateKeyPair = promisify(async)
+
+const OKP_PUBLIC = new Set(['crv', 'x'])
+Object.freeze(OKP_PUBLIC)
+const OKP_PRIVATE = new Set([...OKP_PUBLIC, 'd'])
+Object.freeze(OKP_PRIVATE)
+
+// Octet string key pairs Key Type
+class OKPKey extends Key {
+  constructor (...args) {
+    super(...args)
+    this[JWK_MEMBERS]()
+    Object.defineProperty(this, 'kty', { value: 'OKP', enumerable: true })
+    if (!OKP_CURVES.has(this.crv)) {
+      throw new errors.JOSENotSupported('unsupported OKP key curve')
+    }
+  }
+
+  static get [PUBLIC_MEMBERS] () {
+    return OKP_PUBLIC
+  }
+
+  static get [PRIVATE_MEMBERS] () {
+    return OKP_PRIVATE
+  }
+
+  // https://tc39.github.io/ecma262/#sec-ordinaryownpropertykeys no need for any special
+  // JSON.stringify handling in V8
+  [THUMBPRINT_MATERIAL] () {
+    return { crv: this.crv, kty: 'OKP', x: this.x }
+  }
+
+  [KEY_MANAGEMENT_ENCRYPT] () {
+    return this.algorithms('deriveKey')
+  }
+
+  [KEY_MANAGEMENT_DECRYPT] () {
+    if (this.public) {
+      return new Set()
+    }
+    return this.algorithms('deriveKey')
+  }
+
+  static async generate (crv = 'Ed25519', privat = true) {
+    if (!edDSASupported) {
+      throw new errors.JOSENotSupported('OKP keys are not supported in your Node.js runtime version')
+    }
+
+    if (!OKP_CURVES.has(crv)) {
+      throw new errors.JOSENotSupported(`unsupported OKP key curve: ${crv}`)
+    }
+
+    const { privateKey, publicKey } = await generateKeyPair(crv.toLowerCase())
+
+    return privat ? privateKey : publicKey
+  }
+
+  static generateSync (crv = 'Ed25519', privat = true) {
+    if (!edDSASupported) {
+      throw new errors.JOSENotSupported('OKP keys are not supported in your Node.js runtime version')
+    }
+
+    if (!OKP_CURVES.has(crv)) {
+      throw new errors.JOSENotSupported(`unsupported OKP key curve: ${crv}`)
+    }
+
+    const { privateKey, publicKey } = generateKeyPairSync(crv.toLowerCase())
+
+    return privat ? privateKey : publicKey
+  }
+}
+
+module.exports = OKPKey