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This is actually surprisingly hard to do with Macbooks. TrueCrypt currently only supports whole disk encryption for OSX and PGP Whole Disk Encryption's partitio

This is actually surprisingly hard to do with Macbooks. TrueCrypt currently only supports whole disk encryption for OSX and PGP Whole Disk Encryption's partition encryption is still somewhat experimental. Even if one does get this working, one needs to chain load PGP's BootGuard decrypter after one selects the alternate partition using the default EFI Boot screen when holding the option key - which the relevant bits for EFI configuration are for the most part undocumented and chainloading is not "supported" by the official PGP tools. The next best option seems to replace EFI Boot with rEFIt and clone the behavior... I can go on, but maybe you're beginning to see why this quickly turns into a bit of a rabbit hole.

w1ntermute 16y ago
Well, I was thinking of doing this with Linux, since that's what I use. I'd have Windows be the decoy install and use LUKS for dm-crypt to encrypt the Linux install at the system level. And setting up the default boot with no countdown in GRUB is trivial. All the pieces are there, and while there's no definitive guide on how to do it, I don't reckon it would be very difficult. Since I don't use Macs, I have no idea whether this approach would be feasible for them as well. The main thing holding me back is that now that I've moved to an SSD, my laptop only 64 GB of space, so I'd rather not waste 10 GB on a decoy Windows install. Perhaps once I get a bigger SSD.