show ecdsa private key, public key to console

ecdsa.go

package main

import (
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"crypto/x509"
	"encoding/pem"
	"fmt"
)

func main() {

	priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
	if err != nil {
		panic(err)
	}

	ecder, err := x509.MarshalECPrivateKey(priv)
	if err != nil {
		panic(err)
	}
	privPem := &pem.Block{Type: "EC PRIVATE KEY", Bytes: ecder}
	pk := pem.EncodeToMemory(privPem)
	fmt.Println(string(pk))

	pubKey := &priv.PublicKey
	ecdsaPub, err := x509.MarshalPKIXPublicKey(pubKey)
	if err != nil {
		panic(err)
	}
	pubPem := &pem.Block{Type: "EC PUBLIC KEY", Bytes: ecdsaPub}
	pbk := pem.EncodeToMemory(pubPem)

	fmt.Println(string(pbk))

}