Example #1
0
func genPrivKeyFromPKSC8(pkcs8Key string) (privkey *rsa.PrivateKey) {
	// 解base64
	encodedKey, err := base64.StdEncoding.DecodeString(pkcs8Key)
	if err != nil {
		log.Fatal(err)
	}
	// 使用pkcs8格式
	pkcs8, err := x509.ParsePKCS8PrivateKey(encodedKey)

	var ok bool
	if privkey, ok = pkcs8.(*rsa.PrivateKey); !ok {
		log.Fatal(ok)
	}
	return
}
Example #2
0
func genPubKey(key string) (pubKey *rsa.PublicKey) {

	// 解base64
	encodedKey, err := base64.StdEncoding.DecodeString(key)
	if err != nil {
		log.Fatal(err)
	}

	pkix, err := x509.ParsePKIXPublicKey(encodedKey)
	if err != nil {
		log.Fatal("unable to parse pxix key")
	}
	ok := false

	if pubKey, ok = pkix.(*rsa.PublicKey); !ok {
		log.Fatal("aliPubKey can not be parsed to rsa.PublicKey")
	}
	return
}
Example #3
0
// Verfiy 验签函数
func Verfiy(body, sign, aliPubKey string) error {
	//解base64
	decoded, err := base64.StdEncoding.DecodeString(sign)

	if err != nil {
		log.Fatal(err)
	}
	//hashed
	h := sha1.New()
	h.Write([]byte(body))

	//to rsa.publickey
	pubKey := genPubKey(aliPubKey)
	//rsa验签
	return rsa.VerifyPKCS1v15(pubKey, crypto.SHA1, h.Sum(nil), decoded)
}