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

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

node_modules/jose/lib/jwe/generate_cek.js

@@ -0,0 +1,15 @@
+const { randomBytes } = require('crypto')
+
+const { createSecretKey } = require('../help/key_object')
+const { KEYLENGTHS } = require('../registry')
+const Key = require('../jwk/key/oct')
+
+module.exports = (alg) => {
+  const keyLength = KEYLENGTHS.get(alg)
+
+  if (!keyLength) {
+    return new Key({ type: 'secret' })
+  }
+
+  return new Key(createSecretKey(randomBytes(keyLength / 8)), { use: 'enc', alg })
+}