Imports github.com/benlaurie/objecthash/go/objecthash github.com/google/keytransparency/core/crypto/signatures github.com/google/trillian/crypto/keyspb github.com/google/trillian/crypto/sigpb Standard library imports crypto crypto/ecdsa crypto/elliptic crypto/x509 encoding/asn1 encoding/json encoding/pem io log math/big