64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
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package service
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import (
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"crypto/md5"
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"fmt"
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"math/big"
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"net"
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)
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func (s *Service) doEncrypt(param string) []byte {
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var (
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err error
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res = make([]byte, 0)
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)
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if param == "" || len(param) == 0 {
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return nil
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}
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input := []byte(param)
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if res, err = s.CBCEncrypt(input); err != nil {
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return input
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}
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return res
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}
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//func (s *Service) doDecrypt(param []byte) string {
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// var (
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// err error
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// res = make([]byte, 0)
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// )
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// if param == nil {
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// return ""
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// }
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// input := []byte(param)
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// if res, err = s.CBCDecrypt(input); err != nil {
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// return string(param)
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// }
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// return string(res)
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//}
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// InetNtoA convert int64 to ip addr .
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func InetNtoA(ip int64) string {
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return fmt.Sprintf("%d.%d.%d.%d",
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byte(ip>>24), byte(ip>>16), byte(ip>>8), byte(ip))
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}
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// InetAtoN convert ip addr to int64.
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func InetAtoN(ip string) int64 {
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ret := big.NewInt(0)
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ret.SetBytes(net.ParseIP(ip).To4())
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return ret.Int64()
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}
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func (s *Service) doHash(plaintext string) []byte {
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var res = make([]byte, 0)
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if plaintext == "" {
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return res
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}
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hash := md5.New()
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hash.Write([]byte(plaintext))
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hash.Write([]byte(s.salt))
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res = hash.Sum(nil)
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return res
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}
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