Imports github.com/agl/ed25519 golang.org/x/crypto/pbkdf2 github.com/sirupsen/logrus github.com/theupdateframework/notary/tuf/data github.com/theupdateframework/notary 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/sha512 crypto/rsa encoding/pem crypto/sha256 crypto/sha1 crypto/cipher crypto/aes crypto/ecdsa encoding/asn1