rsa key compat with go

test/index.spec.js

@@ -4,6 +4,7 @@
 const expect = require('chai').expect
 
 const crypto = require('../src')
+const fixtures = require('./fixtures/go-key-rsa')
 
 describe('libp2p-crypto', () => {
   let key
@@ -26,4 +27,48 @@ describe('libp2p-crypto', () => {
 
     expect(key2.equals(key)).to.be.eql(true)
   })
+
+  describe('go interop', () => {
+    it('unmarshals private key', () => {
+      const key = crypto.unmarshalPrivateKey(fixtures.private.key)
+      const hash = fixtures.private.hash
+
+      expect(
+        key.hash()
+      ).to.be.eql(
+        hash
+      )
+    })
+
+    it('unmarshals public key', () => {
+      const key = crypto.unmarshalPublicKey(fixtures.public.key)
+      const hash = fixtures.public.hash
+
+      expect(
+        key.hash()
+      ).to.be.eql(
+        hash
+      )
+    })
+
+    it('unmarshal -> marshal, private key', () => {
+      const key = crypto.unmarshalPrivateKey(fixtures.private.key)
+      const marshalled = crypto.marshalPrivateKey(key)
+      expect(
+        fixtures.private.key.equals(marshalled)
+      ).to.be.eql(
+        true
+      )
+    })
+
+    it('unmarshal -> marshal, public key', () => {
+      const key = crypto.unmarshalPublicKey(fixtures.public.key)
+      const marshalled = crypto.marshalPublicKey(key)
+      expect(
+        fixtures.public.key.equals(marshalled)
+      ).to.be.eql(
+        true
+      )
+    })
+  })
 })