xorenc/xorencrypt.go

34 lines
646 B
Go
Raw Normal View History

2021-11-17 01:44:15 +00:00
package xorencrypt
import "encoding/base64"
2021-11-17 01:50:25 +00:00
var DEFAULT_KEY = "kumoly.io/lib/xorencrypt"
2021-11-17 01:44:15 +00:00
func Decrypt(msg, key string) (string, error) {
2021-11-17 01:50:25 +00:00
if key == "" {
key = DEFAULT_KEY
}
2021-11-17 01:44:15 +00:00
deb64, err := base64.StdEncoding.DecodeString(msg)
if err != nil {
return "", err
}
dec := xor(deb64, []byte(key))
return string(dec), nil
}
func Encrypt(msg, key string) string {
2021-11-17 01:50:25 +00:00
if key == "" {
key = DEFAULT_KEY
}
2021-11-17 01:44:15 +00:00
enc := xor([]byte(msg), []byte(key))
return base64.StdEncoding.EncodeToString(enc)
}
func xor(msg, key []byte) []byte {
ret := make([]byte, len(msg))
for i := 0; i < len(msg); i++ {
ret[i] = msg[i] ^ key[i%len(key)]
}
return ret
}