package gpgx

import (
	"fmt"
	"os"

	"golang.org/x/crypto/openpgp"
)

func Demo() {
	keyRingReader, err := os.Open("signer-pubkey.asc")
	if err != nil {
		fmt.Println(err)
		return
	}

	signature, err := os.Open("signature.asc")
	if err != nil {
		fmt.Println(err)
		return
	}

	verification_target, err := os.Open("MysqL-5.7.9-win32.zip")
	if err != nil {
		fmt.Println(err)
		return
	}

	keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader)
	if err != nil {
		fmt.Println("Read Armored Key Ring: " + err.Error())
		return
	}
	entity, err := openpgp.CheckArmoredDetachedSignature(keyring, verification_target, signature)
	if err != nil {
		fmt.Println("Check Detached Signature: " + err.Error())
		return
	}

	fmt.Println(entity)
}