Imports github.com/hyperledger/fabric-protos-go/msp github.com/hyperledger/fabric/bccsp/utils github.com/hyperledger/fabric/common/util github.com/hyperledger/fabric/protoutil github.com/pkg/errors Standard library imports crypto crypto/ecdsa crypto/rand crypto/x509 encoding/asn1 encoding/pem io/ioutil math/big