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doc: release notes

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Fix typos and specify OCI image path.
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Michael Cardell Widerkrantz 2023-03-23 15:20:53 +01:00
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doc/release_notes.md
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@ -8,8 +8,10 @@ This is the official release of the "Bellatrix" version of
the Tillitis TKey device. This version is ready for general the Tillitis TKey device. This version is ready for general
use. use.
Given the Docker config, and the generic UDS.hex and UDI.hex, Given the OCI image `ghcr.io/tillitis/tkey-builder:1` built from
a clean build should generate the following digest: `contrib/Dockerfile` and the generic UDS.hex and UDI.hex, a clean
build should generate the following digest:
``` ```
shasum -a256 application_fpga.bin shasum -a256 application_fpga.bin
f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fpga.bin f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fpga.bin
@ -20,7 +22,7 @@ f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fp
- (ALL) The TKey HW design, FW, protocol and first applications has - (ALL) The TKey HW design, FW, protocol and first applications has
been audited by a third party. No major issues was found, but the been audited by a third party. No major issues was found, but the
audit have lead to several updates, changes and fixes to improve audit has lead to several updates, changes and fixes to improve
the security and robustness. The third party report will be the security and robustness. The third party report will be
published when completed. published when completed.
@ -32,14 +34,15 @@ f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fp
- (FW) The firmware has been hardened and the state machine simplified - (FW) The firmware has been hardened and the state machine simplified
to reduce the number of commands that can be used and in which to reduce the number of commands that can be used and in which
order. order. It exits early on failure to a fail state indicated by the
RGB LED blinking red on error in an eternal loop.
- (FW) Steady white LED while waiting for initial commands. LED off - (FW) Steady white LED while waiting for initial commands. LED off
while loading app. while loading app.
- (HW) The memory system now has an execution monitor. The monitor - (HW) The memory system now has an execution monitor. The monitor
detects attempts at reading instructions from the firmware ram. detects attempts at reading instructions from the firmware ram.
The execution monitor can alwo, when enabled by an application, The execution monitor can also, when enabled by an application,
detect attempts at reading instructions from the application detect attempts at reading instructions from the application
stack. If any such attempt is detected, the memory system will stack. If any such attempt is detected, the memory system will
force the CPU to read an illegal instruction, triggering the force the CPU to read an illegal instruction, triggering the
@ -67,11 +70,13 @@ f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fp
- (HW) The FPGA bitstream can now be stored in the non volatile - (HW) The FPGA bitstream can now be stored in the non volatile
configuration memory (NVCM). This is done using of a new icestorm configuration memory (NVCM). This is done using of a new icestorm
tool developed partly in the projecy and sponsored by Tillitis tool developed partly in the project and sponsored by Tillitis
and Mullvad. The tool supports locking down NVCM access after and Mullvad. The tool supports locking down NVCM access after
writing the FPGA bitstream to the memory. writing the FPGA bitstream to the memory.
- (TOOLS) There is now a Docker config setting up all tools as needed - (TOOLS) There is now an OCI image
(`ghcr.io/tillitis/tkey-builder:1`) and Dockerfile setting up all
tools as needed to build the bitstream.
- (TOOLS) There is now a version of iceprog able to write to the FPGA - (TOOLS) There is now a version of iceprog able to write to the FPGA
bitstream to the NVCM and lock the NVCM from external access bitstream to the NVCM and lock the NVCM from external access
@ -164,6 +169,3 @@ f11d6b0f57c5405598206dcfea284008413391a2c51f124a2e2ae8600cb78f0b application_fp
- The timer currently does not provide a set of typical settings. - The timer currently does not provide a set of typical settings.
Applications using the timer must set timer and prescaler as Applications using the timer must set timer and prescaler as
needed to get the desired time given the current clock speed. needed to get the desired time given the current clock speed.
---