Truecrypt supports multiple encrypted partitions, and if you've got the details to decrypt one, you still can't tell if there are any others. http://www.truecr

Truecrypt supports multiple encrypted partitions, and if you've got the details to decrypt one, you still can't tell if there are any others. http://www.truecrypt.org/docs/plausible-deniability http://www.truecrypt.org/docs/plausible-deniability