Cookie文件中的VVZrVAQCBgEPVl1WUQRdUwYAV1xRVFVVBlJWUF1VUANaAVI%3D是什么编码？

Question

请教了！！！本地文件夹中的Cookie中的信息是什么编码的？
lastfid
0
localhost/
1024
767867264
29879766
3045753360
29806340
*
ol_offset
101
localhost/
1024
767867264
29879766
3045753360
29806340
*
ipstate
1157252232
localhost/
1024
537867264
29879766
2818883360
29806340
*
ck_info
%2F%09
localhost/
1024
757867264
29879766
3033723360
29806340
*
winduser
VVZrVAQCBgEPVl1WUQRdUwYAV1xRVFVVBlJWUF1VUANaAVI%3D
localhost/
1024
757867264
29879766
3033723360
29806340
*
lastvisit
0%091157252255%09%2Fphpwind%2Findex.php%3F
localhost/
1024
767867264
29879766
3045753360
29806340
*