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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

[0.13.2] - 2026-04-13

Added

  • Expose return types TctiOpaqueContextBlob and FapiPollHandle in the public API.

Changed

  • Updated various dependencies to the latest version.

[0.13.1] - 2026-03-23

Added

  • Added new accessor functions to the ImportData and SealedData data types.

[0.13.0] - 2026-03-19

Added

  • Test cases for functions write_authorize_nv and get_poll_handles() have been added.
  • New error code InternalError::NotImplemented has been added.

Changed

  • Docker images used for testing/building have been updated to the latest version.
  • The parameter validation for the function create_nv() has been improved.

[0.12.2] - 2026-03-03

Changed

  • Docker images used for testing/building have been updated to the latest version.

Fixed

  • A bug in libtpms that caused test case test_remove_auth() to fail has been fixed upstream.

[0.12.1] - 2026-02-24

Changed

  • Updated various dependencies to the latest version + fixed build issues with new version of rand crate.
  • Docker images used for testing/building have been updated to the latest version.

[0.12.0] - 2026-01-22

Added

  • GitHub Actions: Run the examples and integration tests also on the aarch64 (ARM64) platform.

Changed

  • Improved FapiContext::create_seal() to accept either a non-empty &[u8] slice or a NonZeroUsize value.
  • Changed the signature of all callback functions to return a CbResult<T> result, which is defined as Result<T, Cancelled>.
  • Various improvements to internal memory handling.

[0.11.0] - 2026-01-21

Changed

  • The first parameter of all FapiCallbacks functions has been changed from &self to &mut self.

Added

  • Added the FapiCallbacks::downcast() and FapiCallbacks::downcast_mut() functions.

[0.10.0] - 2026-01-21

Added

  • Added the Callbacks struct, as a simple generic implementation of the FapiCallbacks trait.

Changed

  • The FapiCallbacks trait no longer has the Debug trait bound.

[0.9.0] - 2026-01-20

Added

  • Added the FapiContext::set_callbacks() function, which can be used to set or replace all callback functions at once.
  • Added the FapiContext::clear_callbacks() function, which can be used to unset all callback functions.
  • Added the FapiCallbacks trait, which represents the set of application-defined callback functions that the FAPI invokes.

Changed

  • Function get_version() now returns a FapiVersion struct.
  • Functions FapiContext::set_callbacks() and FapiContext::clear_callbacks() now return the previous callbacks.

Removed

  • Removed the FapiContext::set_auth_callback function; superseded by set_callbacks().
  • Removed the FapiContext::set_sign_callback function; superseded by set_callbacks().
  • Removed the FapiContext::set_branch_callback function; superseded by set_callbacks().
  • Removed the FapiContext::set_policy_action_callback function; superseded by set_callbacks().

[0.8.1] - 2026-01-15

Added

  • Re-exported the json crate from this crate, because it is used in the public interface.

Changed

  • Simplified some public data types by using #[non_exhaustive] attribute where applicable.
  • Various improvements to the validation of "flag" parameters.

[0.8.0] - 2026-01-15

Added

  • Added constructor functions from_json() and from_pem to the ImportData struct.

Changed

  • Function FapiContext::sign() now returns a SignResult struct on success.
  • Function FapiContext::quote() now returns a QuoteResult struct on success.
  • Function FapiContext::get_tpm_blobs() now returns a TpmBlobs struct on success.

[0.7.0] - 2026-01-14

Changed

  • Improved FapiContext::import() to support the import of either a JSON object (e.g. TPM policy) or a PEM encoded key.
  • Updated the Docker images used for building/testing.
  • Various dependencies have been updated to the latest version.

[0.6.2] - 2025-12-12

Changed

  • Various dependencies have been updated to the latest version.
  • Updated the Docker images used for building/testing.

[0.6.1] - 2025-11-07

Changed

  • Various dependencies have been updated to the latest version.
  • Updated the Docker images used for building/testing.

[0.6.0] - 2025-10-06

Changed

  • Rust edition has been changed to 2024.
  • Various dependencies have been updated to the latest version.

Added

  • Added support for environment variable TSS2_FAPI_STATIC to the build.rs file, which allows the static version of the TSS2 FAPI library to be linked via pkg-config.

Fixed

  • Improved parsing of the TSS2 FAPI library version in the build.rs file, fixing possible errors with "custom" builds.

[0.5.8] - 2025-04-24

Changed

  • Various dependencies have been updated to the latest version.
  • Implemented workaround to make the test code compile with the new version of rand crate.

Added

  • GitHub Actions: Run the tests also with the nightly toolchain.

[0.5.7] - 2025-04-22

Changed

  • Various dependencies have been updated to the latest version.
  • Incremented minimum supported Rust version to 1.82 in order to build with newer dependency versions.

[0.5.6] - 2025-01-23

Fixed

  • GitHub Actions: Workaround for our actions being aborted because of an outdated version of actions/upload-artifact. We did not use the "problematic" version directly, but it was used implicitely via an old version of awalsh128/cache-apt-pkgs-action.

Changed

  • Updated funding information in source files and documentation.

[0.5.5] - 2025-01-17

Added

  • Introduced the locking and full_locking features to make the serialization of FAPI calls optional.

[0.5.4] - 2025-01-17

Added

  • Implemented workaround to ensure that calls to FAPI_Provision() are serialized across all FAPI contexts and that they are not executed concurrently to other FAPI functions, because that function apparently is not thread-safe in the underlying TSS 2.0 library.

Changed

  • Updated Docker images for SWTPM and build/test environment to the latest versions.

[0.5.3] - 2024-10-15

Changed

[0.5.2] - 2024-10-10

Added

  • Added a job for running/testing the usage examples to the GitHub CI pipeline.

Changed

  • Some improvements to the provided usage examples and the associated documentation.

[0.5.1] - 2024-10-07

Changed

  • Updated Docker images for SWTPM and build/test environment to the latest versions.
  • build.rs: Removed workaround for Docs.rs build process, now that they have added support for the TSS 2.0 libraries.

[0.5.0] - 2024-09-22

Added

  • This is the first public release of this project.