From a2d428e5e0a4021eea5ba9ff0fbfad51cb93d60e Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Thu, 27 Feb 2020 17:46:43 +0100
Subject: [PATCH] test: add ECDH-ES test vectors from rfc8037

---
 test/cookbook/rfc8037.ecdhes.test.js | 42 ++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 test/cookbook/rfc8037.ecdhes.test.js

diff --git a/test/cookbook/rfc8037.ecdhes.test.js b/test/cookbook/rfc8037.ecdhes.test.js
new file mode 100644
index 00000000..b47d67d9
--- /dev/null
+++ b/test/cookbook/rfc8037.ecdhes.test.js
@@ -0,0 +1,42 @@
+const test = require('ava')
+
+const { improvedDH } = require('../../lib/help/runtime_support')
+
+if (!improvedDH) return
+
+const { JWK: { asKey } } = require('../..')
+const computeSecret = require('../../lib/jwa/ecdh/compute_secret')
+
+test('RFC8037 - A.6. ECDH-ES with X25519', t => {
+  const pub = asKey({
+    kty: 'OKP',
+    crv: 'X25519',
+    x: '3p7bfXt9wbTTW2HC7OQ1Nz-DQ8hbeGdNrfx-FG-IK08'
+  })
+
+  const ephemeral = asKey({
+    kty: 'OKP',
+    crv: 'X25519',
+    x: 'hSDwCYkwp1R0i33ctD73Wg2_Og0mOBr066SpjqqbTmo',
+    d: 'dwdtCnMYpX08FsFyUbJmRd9ML4frwJkqsXf7pR25LCo'
+  })
+
+  t.deepEqual(computeSecret(ephemeral, pub), Buffer.from('4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742', 'hex'))
+})
+
+test('RFC8037 - A.6. ECDH-ES with X448', t => {
+  const pub = asKey({
+    kty: 'OKP',
+    crv: 'X448',
+    x: 'PreoKbDNIPW8_AtZm2_sz22kYnEHvbDU80W0MCfYuXL8PjT7QjKhPKcG3LV67D2uB73BxnvzNgk'
+  })
+
+  const ephemeral = asKey({
+    kty: 'OKP',
+    crv: 'X448',
+    x: 'mwj3zDG34-Z9ItWuoSEHSic70rg94Jxj-qc9LCLF2bvINmRyQdlT1AxbEtqIEg1TF3-A5TLEH6A',
+    d: 'mo9JJdFRn1d1z0awS1gA1O6e6LrovFVl1JjCjdnJuvV0qUGXRIlzkQBjgqbxJ6sdmsLYwKWYcms'
+  })
+
+  t.deepEqual(computeSecret(ephemeral, pub), Buffer.from('07fff4181ac6cc95ec1c16a94a0f74d12da232ce40a77552281d282bb60c0b56fd2464c335543936521c24403085d59a449a5037514a879d', 'hex'))
+})