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RIOT/tests/unittests/tests-tweetnacl/tests-tweetnacl.c 2.23 KB
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup     unittests
   * @{
   *
   * @file
   * @brief       tweetnacl NaCl crypto library tests
   *
   * @author      Kaspar Schleiser <kaspar@schleiser.de>
   * @author      Martin Landsmann <Martin.Landsmann@HAW-Hamburg.de>
   *
   * @}
   */
  
  #include <stdio.h>
  #include <string.h>
  
  #include <tweetnacl.h>
  #include "embUnit.h"
  #include "tests-tweetnacl.h"
  
  static const char message[] = "0123456789abcdef";
  static char r[sizeof(message)];
  
  #define MLEN (sizeof(message) + crypto_box_ZEROBYTES)
  
  static unsigned char alice_pk[crypto_box_PUBLICKEYBYTES];
  static unsigned char alice_sk[crypto_box_SECRETKEYBYTES];
  static unsigned char bob_pk[crypto_box_PUBLICKEYBYTES];
  static unsigned char bob_sk[crypto_box_SECRETKEYBYTES];
  static unsigned char m[MLEN];
  static unsigned char c[MLEN];
  static const unsigned char n[crypto_box_NONCEBYTES];
  static unsigned char result[MLEN];
  
  static void setUp(void)
  {
      /* Initialize */
      random_init(0);
  }
  
  static void tearDown(void)
  {
      /* Finalize */
  }
  
  static void test_tweetnacl_01(void)
  {
      int res;
  
      /* Creating keypair ALICE... */
      crypto_box_keypair(alice_pk, alice_sk);
  
      /* Creating keypair BOB... */
      crypto_box_keypair(bob_pk, bob_sk);
  
      memset(m, 0, crypto_box_ZEROBYTES);
      memcpy(m + crypto_box_ZEROBYTES, message, MLEN - crypto_box_ZEROBYTES);
  
      /* Encrypting using pk_bob... */
      crypto_box(c, m, MLEN, n, bob_pk, alice_sk);
  
      memset(result, '\0', sizeof(result));
  
      /* Decrypting... */
      res = crypto_box_open(result, c, MLEN, n, alice_pk, bob_sk);
  
      TEST_ASSERT_EQUAL_INT(0, res);
  
      memset(r, 0, sizeof(r));
      memcpy(r, result + crypto_box_ZEROBYTES, MLEN - crypto_box_ZEROBYTES);
  
      TEST_ASSERT_EQUAL_STRING("0123456789abcdef", (const char*)r);
  }
  
  Test *tests_tweetnacl_all(void)
  {
      EMB_UNIT_TESTFIXTURES(fixtures) {
          new_TestFixture(test_tweetnacl_01)
      };
  
      EMB_UNIT_TESTCALLER(tweetnacl_tests, setUp, tearDown, fixtures);
      return (Test*)&tweetnacl_tests;
  }
  
  void tests_tweetnacl(void)
  {
      TESTS_RUN(tests_tweetnacl_all());
  }