How to store ECDSA private key in Go

Question

I am using the ecdsa.GenerateKey method to generate a private/public key pair in Go. I would like to store the private key in a file on the users computer, and load

Answer 1

I believe the standard format for those keys is to use the X.509 ASN.1 DER representation. See http://golang.org/pkg/crypto/x509/#MarshalECPrivateKey and http://golang.org/pkg/crypto/x509/#ParseECPrivateKey.