Excerpting the recent TCG announcement:
BSSSD: Trusted Computing now available for FreeBSD and OpenBSD: All pieces to utilize Trusted Computing and build Trusted Computing applications on FreeBSD and OpenBSD have been made available by the BSSSD-project.
Software components:
* TPM device driver for the FreeBSD-kernel
* TPM device driver for the OpenBSD-kernel
* TCG Software Stack TrouSerS
* TrustedGRUB boot-loader
* TPM-Tools
* OpenSSL-TPMengine
* OpenCryptoKi
* TPM-Emulator
* TPM-Testsuite
Kernel drivers were developed for the following TPMs:
* Atmel 97SC3203
* Broadcom BCM0102
* Infineon IFX SLB 9635 TT 1.2
* Intel INTC0102
* Sinosun SNS SSX35
* STM ST19WP18
* Winbond WEC WPCT200
* TPMemulator
http://bsssd.sourceforge.net/components.html
http://bsssd.sourceforge.net/download.html
http://www.trustedcomputinggroup.org/bsssd-trusted-computing-now-available-freebsd-openbsd/
Firmware Security 