AES-128/GCM + BASE64

版署实名认证加密方法（golang）

func aes128GCM(aesKey string, plainText []byte) (cipherText string, err error) {
	key, err := hex.DecodeString(aesKey)
	if err != nil {
	    return
	}
	block, err := aes.NewCipher(key)
	if err != nil {
	    return
	}
	gcm, err := cipher.NewGCM(block)
	if err != nil {
	    return
	}
	nonce := make([]byte, gcm.NonceSize())
	io.ReadFull(rand.Reader, nonce)
	ciphertext_byts := gcm.Seal(nil, nonce, plainText, nil)
	full_byts := append(nonce, ciphertext_byts...)
	cipherText = base64.StdEncoding.EncodeToString(full_byts)
	return
}