tools

func AesDecrypt ¶ added in v0.2.0

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

aes_256_cbc decrypt

func AesEncrypt ¶ added in v0.2.0

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

aes_256_cbc encrypt

func CstZone ¶ added in v0.2.0

func CstZone() *time.Location

func DecryptString ¶ added in v0.2.0

func DecryptString(cipherText, key string) (string, error)

decrypt (aes_256_cbc) for url safe

func DownloadFile ¶

func DownloadFile(urlStr string, timeout time.Duration, filename string) error

func EncryptString ¶ added in v0.2.0

func EncryptString(content, key string) (string, error)

encrypt (aes_256_cbc) for url safe

func FileExists ¶

func FileExists(path string) (isExist bool, isDir bool)

func IP2Long ¶ added in v0.2.0

func IP2Long(ipStr string) uint32

func IPInRange ¶ added in v0.2.0

func IPInRange(ip net.IP, ipRangeList []string) bool

func MD5 ¶

func MD5(txt string) string

func Rand ¶ added in v0.2.0

func Rand(min, max int) int