July 2022
Removed SHA1 support from UEFI certificates for U-Boot
Fixed TPM provided RNG in U-Boot
June 2022
meta-ts 0.1 released
Updated documentation at https://trusted-substrate.readthedocs.io/en/latest/
CI for QEMU is running on daily builds
April 2022
Reworked capsule updates for U-Boot. The previous implementation wasn’t adhering to the EFI spec
Bumped all meta-ts supported boards to the latest stable U-Boot 2022.04
Fixed all the remaining SystemReady Interface Extensions failures in U-Boot
March 2022
U-Boot fixes in EFI. The Arm security ACS should pass all tests now
Fault mitigation patterns investigation for OP-TEE TAs
Blogposts on FF-A support within OP-TEE
Basic TPM2 support added into OP-TEE
February 2022
Created patches for SystemReady-ACS for arm7 (stm32mp1 tested)
Fixed UEFI Secure boot with intermediate certificates
Updated meta-ts, consumers can now define their own set of keys to create
the EFI security databaseMenu driven boot device selection for U-Boot posted in ML. Patches are under review
Added support for Xilinx kv260 AI vision starter kit
January 2022
Major cleanup and bug fixes on UEFI secure boot
A/B update support merged in TF-A
v3 of A/B updates in U-Boot under review
ARM secure side virtualization FFA-1.0: patches for optee-os and optee linux driver based on FF-A have been merged
December 2021
FF-A Firmware Update specifications update forwarded to U-Boot mailing list
BTI patches for OP-TEE
Linux kernel OP-TEE runtime check PoC released
November 2021
OP-TEE release 3.15, asynchronous notifications of secure world in progress
Xen mediator for OP-TEE PoC ready (DRM for automotive for instance)
EFI TCG2 compliance in U-Boot. All patches have been merged upstream
Fixed PE/COFF alignment in U-Boot.