aes_smoketest.c

// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
 
#include "hw/ip/aes/model/aes_modes.h"
#include "sw/device/lib/base/memory.h"
#include "sw/device/lib/base/mmio.h"
#include "sw/device/lib/dif/dif_aes.h"
#include "sw/device/lib/runtime/log.h"
#include "sw/device/lib/testing/aes_testutils.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_main.h"
 
#define TIMEOUT (1000 * 1000)
 
OTTF_DEFINE_TEST_CONFIG();
 
status_t execute_test(dif_aes_t *aes) {
  // Setup ECB encryption transaction.
  dif_aes_transaction_t transaction = {
      .operation = kDifAesOperationEncrypt,
      .mode = kDifAesModeEcb,
      .key_len = kDifAesKey256,
      .key_provider = kDifAesKeySoftwareProvided,
      .mask_reseeding = kDifAesReseedPerBlock,
      .manual_operation = kDifAesManualOperationAuto,
      .reseed_on_key_change = false,
      .ctrl_aux_lock = false,
  };
 
  CHECK_STATUS_OK(aes_testutils_setup_encryption(transaction, aes));
 
  AES_TESTUTILS_WAIT_FOR_STATUS(aes, kDifAesStatusOutputValid, true, TIMEOUT);
 
  return aes_testutils_decrypt_ciphertext(transaction, aes);
}
 
bool test_main(void) {
  dif_aes_t aes;
 
  // Initialise AES.
  CHECK_DIF_OK(dif_aes_init_from_dt(kDtAes, &aes));
  CHECK_DIF_OK(dif_aes_reset(&aes));
 
  return status_ok(execute_test(&aes));
}