Please keep all discussion in English. Not everyone here speaks Czech.

If you don't understand English then it would be wise to learn it.

Why? I need not. I am specialist.I am Slovak. You show to me,that you better as me.You are only England s***.You can only your language.It is all.

No, this is a English-only forum

Well anyway, Googling is like finding a needle in a haystack. I'm looking for something freeware, that specifically encrypts optical media. Is there anything good on sourceforge?

There is no freeware app to do what you would like (as in create an encrypted Disk) directly, you could encrypt the information and use an iso creator program. Then you could click the iso file and burn (instead of manually clicking the files from within a buring program, if you make a cd image it might be easier).

For example, write a batch file with a commandline encrytor program that encrypts the contents of the folder and also creates an iso from the folder

eg

blowfish -e backup\*.*

cdimage.exe -lBackup -x -h -o -oc -m -j1 .\backup .\backup.iso

then runthe batch file every time you want to back up data

What about TrueCrypt?

Truecrypt makes an encrypted virtual filesystem.

Creates a virtual encrypted disk within a file and mounts it as a real disk.

Basically it creates something like an encrypted folder that contains all the encrypted data. But it requires truecrypt to mount he file as a drive. This could work on a cd-rw or dvd-rw (dont know, i never tried).

OK, I'll try it and see.