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Building mldsa-native

engine/dlib/src/mbedtls/tf-psa-crypto/drivers/pqcp/mldsa-native/BUILDING.md

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Building mldsa-native

Prerequisites

To build mldsa-native, you need make and a C90 compiler. To use the test scripts, you need Python3 (>= 3.7).

By hand

See mldsa.

Using make

You can build and test mldsa-native as follows:

bash
make test       # With native code backend (if available)
make OPT=0 test # With C backend

To merely build test components, use the following make targets:

bash
make func
make kat
make acvp

To run them, add run_:

bash
make run_func
make run_kat
make run_acvp

The resulting binaries can be found in test/build (their full path is printed by make).

For benchmarking, specify the cycle counting method. Currently, mldsa-native is supporting NO, PERF, PMU, and MAC:

  • NO means that no cycle counting will be used; this can be used to confirm that benchmarks compile fine.
  • PERF uses the perf kernel module for cycle counting. Does not work on Apple platforms.
  • PMU uses direct PMU access if available. On AArch64, this may require you to load a kernel module first, see here. Does not work on Apple platforms.
  • MAC is perf-based and works on some Apple platforms, at least Apple M1.
# CYCLES has to be one of PERF, PMU, MAC, NO
sudo make run_bench CYCLES=PERF
sudo make run_bench_components CYCLES=PERF

Using tests script

For convenience, you can also use the ./scripts/tests script as a wrapper around make. For example,

bash
./scripts/tests func

will compile and run functionality tests. Similarly,

bash
./scripts/tests bench -c PERF -r

will compile and run benchmarks, using PERF for cycle counting (-c PERF) and running as root (-r).

For detailed information on how to use the script, please refer to ./scripts/tests --help.

Windows

You can also build mldsa-native on Windows using nmake and an MSVC compiler.

To build and run the tests (only support functional testing for non-opt implementation for now), use the following nmake targets:

powershell
nmke /f .\Makefile.Microsoft_nmake quickcheck

Checking the proofs

CBMC

Prerequisites

To run the CBMC proofs, you need specific versions of CBMC and the underlying solvers, e.g. as specified in our nix environment; see nix/cbmc. See CONTRIBUTING.md for instructions on how to setup and use nix.

Running the CBMC proofs

Once you are in the nix shell or have all tools setup by hand, use ./scripts/tests cbmc (or just tests cbmc in the nix shell) to re-check the CBMC proofs. See tests cbmc --help for details on the command line options, and proofs/cbmc for more details on the CBMC proofs in general.

HOL-Light

Prerequisites

To run the HOL-Light proofs, you need recent versions of HOL-Light and s2n-bignum, e.g. as specified in our nix environment; see nix/s2n_bignum and nix/hol_light. See CONTRIBUTING.md for instructions on how to setup and use nix.

Running the HOL-Light proofs

Once you are in the nix shell or have all tools setup by hand, use ./scripts/tests hol_light (or just tests hol_light in the nix shell) to re-check the HOL-Light proofs. Note that depending on the function, they will take a long time. See tests hol_light --help for details on the command line options, and proofs/hol_light for more details on the HOL-Light proofs in general.