package security

import (
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"errors"
)

var PrivateKey *ecdsa.PrivateKey
var PublicKey ecdsa.PublicKey

func InitECCKey() error {
	key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		return err
	}
	PrivateKey = key
	PublicKey = key.PublicKey
	return nil
}

func GetKeys() (*ecdsa.PrivateKey, *ecdsa.PublicKey, error) {
	if PrivateKey == nil {
		return nil, nil, errors.New("ECC私钥尚未初始化")
	}
	return PrivateKey, &PublicKey, nil
}