Imports github.com/sirupsen/logrus github.com/jtaylorcpp/piv-go/piv github.com/mitchellh/go-homedir Standard library imports crypto/rand crypto/tls crypto/x509 errors io io/ioutil log math/big net net/url os path/filepath regexp strings time crypto/x509/pkix crypto/elliptic crypto/rsa encoding/pem crypto/ecdsa crypto