sw/device/tests/csrng_kat_test.c

// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

#include "sw/device/lib/base/macros.h"
#include "sw/device/lib/base/mmio.h"
#include "sw/device/lib/dif/dif_csrng.h"
#include "sw/device/lib/runtime/log.h"
#include "sw/device/lib/testing/csrng_testutils.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_main.h"

#include "hw/top_earlgrey/sw/autogen/top_earlgrey.h"

OTTF_DEFINE_TEST_CONFIG();

void test_ctr_drbg_ctr0(const dif_csrng_t *csrng) {
  CHECK_DIF_OK(dif_csrng_uninstantiate(csrng));
  csrng_testutils_fips_instantiate_kat(csrng, /*fail_expected=*/false);
  csrng_testutils_fips_generate_kat(csrng);
}

bool test_main(void) {
  dif_csrng_t csrng;
  CHECK_DIF_OK(dif_csrng_init(
      mmio_region_from_addr(TOP_EARLGREY_CSRNG_BASE_ADDR), &csrng));
  CHECK_DIF_OK(dif_csrng_configure(&csrng));

  test_ctr_drbg_ctr0(&csrng);

  return true;
}