Imports github.com/Sirupsen/logrus github.com/docker/notary/passphrase github.com/docker/notary/tuf/data github.com/agl/ed25519 github.com/docker/notary Standard library imports bytes crypto/rand crypto/rsa crypto/x509 crypto/x509/pkix errors fmt io io/ioutil math/big os path/filepath crypto/elliptic encoding/pem strings crypto/ecdsa sync time