Several years ago, while I was working at the IBM Almaden Research Center, we came up with a security mechanism called the Assured Execution Environment (AxE). We had implementations for Windows XP and Mac OS X. (Although AxE supports code signing as a feature, it’s not the same—in any case, this was long before code [...]
Details on taking a snapshot of the memory and register state of a running process on Mac OS X, including source for a user-space program that does that.
People are welcome to join us at Google on Thursday, May 24, for an open-to-public talk on all things MacFUSE. I’m told that “Doors open at 6:30PM at Google’s Mountain View campus. Guests should plan to sign in at Building 41 reception upon arrival. Refreshments will be served…” Here’s an abstract: File systems provide one [...]
I’ve made available a MacFUSE-Based process file system for Mac OS X. Source code is included.
I gave a talk titled “Taming Mac OS X File Systems” at Macworld 2007 today. I also announced Google’s open source release of MacFUSE. Here are some relevant links: The MacFUSE Page on Google Code List of Wiki Articles on the Project Page Slides from the Talk Besides internal tech demos that I demonstrated during [...]
Read about how to enable trusted computing on Mac OS X. The document’s coverage includes: A discussion of the TPM hardware present in certain Macintosh computers Release of an open source TPM driver for Mac OS X Release of a Mac OS X port of an open source trusted computing software stack An overview of [...]
I have released a new version (2.5) of hfsdebug. The new version fixes a bug in the calculation of free space blocks on a volume, and now all features are supported on both the PowerPC and x86 versions of Mac OS X. In particular, hfsdebug no longer uses the /dev/kmem device for displaying kernel-memory-resident mount [...]
We have developed software (“BAMBIOS”) that allows such legacy booting on the Intel-based Macintoshes. For example, a regular (that is, non-EFI) version of Linux can be readily booted using this software. A mini presentation on the design of BAMBIOS is available.
My apologies to all who have sent me emails that I couldn’t respond to — I am almost entirely off email for over a month. I hope to be able to say “done” in a matter of days now, if you know what I’m talking about. I know the motion sensor software doesn’t work on [...]
gbaunix is a rather contrived experiment in which we run an ancient version of the UNIX operating system on a popular hand-held game system using a simulator. Specifically, it is 5th edition UNIX (1974) running on Nintendo’s Game Boy Advance, with SIMH as the core simulator.