secu

func AesDecrypt(crypted, key []byte) ([]byte, error)

func AesEncrypt(origData, key []byte) ([]byte, error)

func BASE64StdDecode(src string) ([]byte, error)

func BASE64StdEncode(src []byte) string

func DealWithDecrypt(src string, key string) (string, error)

func DealWithEncrypt(src string, key string) (string, error)

func PKCS7Padding(ciphertext []byte, blockSize int) []byte

func PKCS7UnPadding(originData []byte) []byte