first pass at stretchKey

test/key-stretcher.spec.js

@@ -0,0 +1,25 @@
+/* eslint-env mocha */
+'use strict'
+
+const expect = require('chai').expect
+
+const crypto = require('../src')
+
+describe('keyStretcher', () => {
+  describe('generate', () => {
+    const ciphers = ['AES-128', 'AES-256', 'Blowfish']
+    const hashes = ['SHA1', 'SHA256'/*, 'SHA512'*/]
+    const res = crypto.generateEphemeralKeyPair('P-256')
+    const secret = res.genSharedKey(res.key)
+
+    ciphers.forEach((cipher) => {
+      hashes.forEach((hash) => {
+        it(`${cipher} - ${hash}`, () => {
+          const keys = crypto.keyStretcher(cipher, hash, secret)
+          expect(keys.k1).to.exist
+          expect(keys.k2).to.exist
+        })
+      })
+    })
+  })
+})