Imports github.com/docker/notary/tuf/data github.com/agl/ed25519 github.com/docker/notary golang.org/x/crypto/pbkdf2 github.com/Sirupsen/logrus Standard library imports bytes crypto/rand crypto/x509 encoding/hex errors fmt io io/ioutil math/big strings sync time crypto/x509/pkix crypto/elliptic crypto/rsa crypto/sha512 encoding/pem crypto/sha256 crypto/aes crypto/sha1 crypto/ecdsa crypto/cipher encoding/asn1