Golang wrapper around the WebCryptoAPI.
With a correctly configured Go toolchain:
$ go get -u github.com/gopherjs/gopherjs
$ go get -u github.com/kahlys/webcrypto
Go to the test directory, compile using gopherjs, then open test.html with a browser and look results at the console.
$ cd test
$ gopherjs build test.go