diff --git a/index.js b/index.js
index e69de29..6aab852 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,3 @@
+var secp256k1 = require("secp256k1");
+
+exports.getPublic = secp256k1.createPublicKey.bind(null);
diff --git a/package.json b/package.json
index b7ecf61..c989ad1 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "browser": "browser.js",
   "scripts": {
-    "test": "mocha && xvfb-run -a karma start && jshint .",
+    "test": "mocha && jshint .",
     "m": "mocha",
     "k": "xvfb-run -a karma start",
     "kc": "xvfb-run -a karma start --browsers Chromium",
@@ -44,5 +44,8 @@
     "karma-mocha": "^0.1.10",
     "karma-mocha-reporter": "^0.3.1",
     "mocha": "*"
+  },
+  "dependencies": {
+    "secp256k1": "~0.0.13"
   }
 }
diff --git a/test.js b/test.js
index b73bc65..327f999 100644
--- a/test.js
+++ b/test.js
@@ -1,6 +1,10 @@
 var expect = require("chai").expect;
+var eccrypto = require("./");
 
-describe("test", function() {
-  it("just test", function() {
+describe("Key", function() {
+  it("should allow to convert private key to  public", function() {
+    var privateKey = Buffer(32);
+    privateKey.fill(1);
+    expect(eccrypto.getPublic(privateKey).toString("hex")).to.equal("041b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f70beaf8f588b541507fed6a642c5ab42dfdf8120a7f639de5122d47a69a8e8d1");
   });
 });