Imports github.com/golang/protobuf/proto github.com/hyperledger/fabric-protos-go/common github.com/hyperledger/fabric-protos-go/msp github.com/hyperledger/fabric-protos-go/peer github.com/pkg/errors golang.org/x/crypto/sha3 Standard library imports crypto crypto/ecdsa crypto/elliptic crypto/rand crypto/rsa crypto/sha256 crypto/x509 crypto/x509/pkix encoding/asn1 encoding/base64 encoding/pem errors fmt hash io io/ioutil math/big net net/mail net/url strconv strings time