/**
 * Copyright 2013-2021 Software Radio Systems Limited
 *
 * This file is part of srsRAN.
 *
 * srsRAN is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * srsRAN is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>

#include "srsran/common/liblte_security.h"
#include "srsran/common/security.h"
#include "srsran/common/test_common.h"
#include "srsran/srsran.h"

/*
 * Tests
 *
 * Document Reference: Specification of the 3GPP Confidentiality and Integrity Algorithms 128-EEA3 & 128-EIA3: Document
 * 3: Implementor’s Test Data https://www.gsma.com/aboutus/wp-content/uploads/2014/12/eea3eia3testdatav11.pdf
 *
 */

int test_set_1()
{
  uint8_t  key[]     = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
  uint32_t count     = 0x0;
  uint8_t  bearer    = 0x0;
  uint8_t  direction = 0;
  uint32_t len_bits  = 1;
  uint8_t  msg[]     = {0x00, 0x00, 0x00, 0x00};
  uint8_t  expected_mac[] = {0xc8, 0xa9, 0x59, 0x5e};

  uint8_t mac[4];

  // gen mac
  liblte_security_128_eia3(key, count, bearer, direction, msg, len_bits, mac);
  int i;

  bool failed = false;
  for (i = 0; i < 4; i++) {
    if (mac[i] != expected_mac[i]) {
      failed = true;
    }
    TESTASSERT(mac[i] == expected_mac[i]);
  }
  if (failed == true) {
    printf("Test Set 1: Failed\n");
  } else {
    printf("Test Set 1: Success\n");
  }
  return SRSRAN_SUCCESS;
}

int test_set_2()
{
  uint8_t  key[]     = {0x47, 0x05, 0x41, 0x25, 0x56, 0x1e, 0xb2, 0xdd, 0xa9, 0x40, 0x59, 0xda, 0x05, 0x09, 0x78, 0x50};
  uint32_t count     = 0x561eb2dd;
  uint8_t  bearer    = 0x14;
  uint8_t  direction = 0;
  uint32_t len_bits  = 90;
  uint8_t  msg[]     = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
  uint8_t  expected_mac[] = {0x67, 0x19, 0xa0, 0x88};

  uint8_t mac[4];

  // gen mac
  liblte_security_128_eia3(key, count, bearer, direction, msg, len_bits, mac);
  int i;

  bool failed = false;
  for (i = 0; i < 4; i++) {
    if (mac[i] != expected_mac[i]) {
      failed = true;
    }
    TESTASSERT(mac[i] == expected_mac[i]);
  }
  if (failed == true) {
    printf("Test Set 2: Failed\n");
  } else {
    printf("Test Set 2: Success\n");
  }
  return SRSRAN_SUCCESS;
}

int test_set_3()
{
  uint8_t  key[]     = {0xc9, 0xe6, 0xce, 0xc4, 0x60, 0x7c, 0x72, 0xdb, 0x00, 0x0a, 0xef, 0xa8, 0x83, 0x85, 0xab, 0x0a};
  uint32_t count     = 0xa94059da;
  uint8_t  bearer    = 0xa;
  uint8_t  direction = 1;
  uint32_t len_bits  = 577;
  uint8_t  msg[]     = {0x98, 0x3b, 0x41, 0xd4, 0x7d, 0x78, 0x0c, 0x9e, 0x1a, 0xd1, 0x1d, 0x7e, 0xb7, 0x03, 0x91, 0xb1,
                   0xde, 0x0b, 0x35, 0xda, 0x2d, 0xc6, 0x2f, 0x83, 0xe7, 0xb7, 0x8d, 0x63, 0x06, 0xca, 0x0e, 0xa0,
                   0x7e, 0x94, 0x1b, 0x7b, 0xe9, 0x13, 0x48, 0xf9, 0xfc, 0xb1, 0x70, 0xe2, 0x21, 0x7f, 0xec, 0xd9,
                   0x7f, 0x9f, 0x68, 0xad, 0xb1, 0x6e, 0x5d, 0x7d, 0x21, 0xe5, 0x69, 0xd2, 0x80, 0xed, 0x77, 0x5c,
                   0xeb, 0xde, 0x3f, 0x40, 0x93, 0xc5, 0x38, 0x81, 0x00, 0x00, 0x00, 0x00};
  uint8_t  expected_mac[] = {0xfa, 0xe8, 0xff, 0x0b};

  uint8_t mac[4];

  // gen mac
  liblte_security_128_eia3(key, count, bearer, direction, msg, len_bits, mac);
  int i;

  bool failed = false;
  for (i = 0; i < 4; i++) {
    if (mac[i] != expected_mac[i]) {
      failed = true;
    }
    TESTASSERT(mac[i] == expected_mac[i]);
  }
  if (failed == true) {
    printf("Test Set 3: Failed\n");
  } else {
    printf("Test Set 3: Success\n");
  }
  return SRSRAN_SUCCESS;
}

int test_set_4()
{
  uint8_t  key[]     = {0xc8, 0xa4, 0x82, 0x62, 0xd0, 0xc2, 0xe2, 0xba, 0xc4, 0xb9, 0x6e, 0xf7, 0x7e, 0x80, 0xca, 0x59};
  uint32_t count     = 0x05097850;
  uint8_t  bearer    = 0x10;
  uint8_t  direction = 1;
  uint32_t len_bits  = 2079;
  uint8_t  msg[]     = {
      0xb5, 0x46, 0x43, 0x0b, 0xf8, 0x7b, 0x4f, 0x1e, 0xe8, 0x34, 0x70, 0x4c, 0xd6, 0x95, 0x1c, 0x36, 0xe2, 0x6f, 0x10,
      0x8c, 0xf7, 0x31, 0x78, 0x8f, 0x48, 0xdc, 0x34, 0xf1, 0x67, 0x8c, 0x05, 0x22, 0x1c, 0x8f, 0xa7, 0xff, 0x2f, 0x39,
      0xf4, 0x77, 0xe7, 0xe4, 0x9e, 0xf6, 0x0a, 0x4e, 0xc2, 0xc3, 0xde, 0x24, 0x31, 0x2a, 0x96, 0xaa, 0x26, 0xe1, 0xcf,
      0xba, 0x57, 0x56, 0x38, 0x38, 0xb2, 0x97, 0xf4, 0x7e, 0x85, 0x10, 0xc7, 0x79, 0xfd, 0x66, 0x54, 0xb1, 0x43, 0x38,
      0x6f, 0xa6, 0x39, 0xd3, 0x1e, 0xdb, 0xd6, 0xc0, 0x6e, 0x47, 0xd1, 0x59, 0xd9, 0x43, 0x62, 0xf2, 0x6a, 0xee, 0xed,
      0xee, 0x0e, 0x4f, 0x49, 0xd9, 0xbf, 0x84, 0x12, 0x99, 0x54, 0x15, 0xbf, 0xad, 0x56, 0xee, 0x82, 0xd1, 0xca, 0x74,
      0x63, 0xab, 0xf0, 0x85, 0xb0, 0x82, 0xb0, 0x99, 0x04, 0xd6, 0xd9, 0x90, 0xd4, 0x3c, 0xf2, 0xe0, 0x62, 0xf4, 0x08,
      0x39, 0xd9, 0x32, 0x48, 0xb1, 0xeb, 0x92, 0xcd, 0xfe, 0xd5, 0x30, 0x0b, 0xc1, 0x48, 0x28, 0x04, 0x30, 0xb6, 0xd0,
      0xca, 0xa0, 0x94, 0xb6, 0xec, 0x89, 0x11, 0xab, 0x7d, 0xc3, 0x68, 0x24, 0xb8, 0x24, 0xdc, 0x0a, 0xf6, 0x68, 0x2b,
      0x09, 0x35, 0xfd, 0xe7, 0xb4, 0x92, 0xa1, 0x4d, 0xc2, 0xf4, 0x36, 0x48, 0x03, 0x8d, 0xa2, 0xcf, 0x79, 0x17, 0x0d,
      0x2d, 0x50, 0x13, 0x3f, 0xd4, 0x94, 0x16, 0xcb, 0x6e, 0x33, 0xbe, 0xa9, 0x0b, 0x8b, 0xf4, 0x55, 0x9b, 0x03, 0x73,
      0x2a, 0x01, 0xea, 0x29, 0x0e, 0x6d, 0x07, 0x4f, 0x79, 0xbb, 0x83, 0xc1, 0x0e, 0x58, 0x00, 0x15, 0xcc, 0x1a, 0x85,
      0xb3, 0x6b, 0x55, 0x01, 0x04, 0x6e, 0x9c, 0x4b, 0xdc, 0xae, 0x51, 0x35, 0x69, 0x0b, 0x86, 0x66, 0xbd, 0x54, 0xb7,
      0xa7, 0x03, 0xea, 0x7b, 0x6f, 0x22, 0x0a, 0x54, 0x69, 0xa5, 0x68, 0x02, 0x7e};
  uint8_t expected_mac[] = {0x00, 0x4a, 0xc4, 0xd6};

  uint8_t mac[4];

  // gen mac
  liblte_security_128_eia3(key, count, bearer, direction, msg, len_bits, mac);
  int i;

  bool failed = false;
  for (i = 0; i < 4; i++) {
    if (mac[i] != expected_mac[i]) {
      failed = true;
    }
    TESTASSERT(mac[i] == expected_mac[i]);
  }
  if (failed == true) {
    printf("Test Set 4: Failed\n");
  } else {
    printf("Test Set 4: Success\n");
  }
  return SRSRAN_SUCCESS;
}

int test_set_5()
{
  uint8_t  key[]     = {0x6b, 0x8b, 0x08, 0xee, 0x79, 0xe0, 0xb5, 0x98, 0x2d, 0x6d, 0x12, 0x8e, 0xa9, 0xf2, 0x20, 0xcb};
  uint32_t count     = 0x561eb2dd;
  uint8_t  bearer    = 0x1c;
  uint8_t  direction = 0;
  uint32_t len_bits  = 5670;
  uint8_t  msg[]     = {
      0x5b, 0xad, 0x72, 0x47, 0x10, 0xba, 0x1c, 0x56, 0xd5, 0xa3, 0x15, 0xf8, 0xd4, 0x0f, 0x6e, 0x09, 0x37, 0x80, 0xbe,
      0x8e, 0x8d, 0xe0, 0x7b, 0x69, 0x92, 0x43, 0x20, 0x18, 0xe0, 0x8e, 0xd9, 0x6a, 0x57, 0x34, 0xaf, 0x8b, 0xad, 0x8a,
      0x57, 0x5d, 0x3a, 0x1f, 0x16, 0x2f, 0x85, 0x04, 0x5c, 0xc7, 0x70, 0x92, 0x55, 0x71, 0xd9, 0xf5, 0xb9, 0x4e, 0x45,
      0x4a, 0x77, 0xc1, 0x6e, 0x72, 0x93, 0x6b, 0xf0, 0x16, 0xae, 0x15, 0x74, 0x99, 0xf0, 0x54, 0x3b, 0x5d, 0x52, 0xca,
      0xa6, 0xdb, 0xea, 0xb6, 0x97, 0xd2, 0xbb, 0x73, 0xe4, 0x1b, 0x80, 0x75, 0xdc, 0xe7, 0x9b, 0x4b, 0x86, 0x04, 0x4f,
      0x66, 0x1d, 0x44, 0x85, 0xa5, 0x43, 0xdd, 0x78, 0x60, 0x6e, 0x04, 0x19, 0xe8, 0x05, 0x98, 0x59, 0xd3, 0xcb, 0x2b,
      0x67, 0xce, 0x09, 0x77, 0x60, 0x3f, 0x81, 0xff, 0x83, 0x9e, 0x33, 0x18, 0x59, 0x54, 0x4c, 0xfb, 0xc8, 0xd0, 0x0f,
      0xef, 0x1a, 0x4c, 0x85, 0x10, 0xfb, 0x54, 0x7d, 0x6b, 0x06, 0xc6, 0x11, 0xef, 0x44, 0xf1, 0xbc, 0xe1, 0x07, 0xcf,
      0xa4, 0x5a, 0x06, 0xaa, 0xb3, 0x60, 0x15, 0x2b, 0x28, 0xdc, 0x1e, 0xbe, 0x6f, 0x7f, 0xe0, 0x9b, 0x05, 0x16, 0xf9,
      0xa5, 0xb0, 0x2a, 0x1b, 0xd8, 0x4b, 0xb0, 0x18, 0x1e, 0x2e, 0x89, 0xe1, 0x9b, 0xd8, 0x12, 0x59, 0x30, 0xd1, 0x78,
      0x68, 0x2f, 0x38, 0x62, 0xdc, 0x51, 0xb6, 0x36, 0xf0, 0x4e, 0x72, 0x0c, 0x47, 0xc3, 0xce, 0x51, 0xad, 0x70, 0xd9,
      0x4b, 0x9b, 0x22, 0x55, 0xfb, 0xae, 0x90, 0x65, 0x49, 0xf4, 0x99, 0xf8, 0xc6, 0xd3, 0x99, 0x47, 0xed, 0x5e, 0x5d,
      0xf8, 0xe2, 0xde, 0xf1, 0x13, 0x25, 0x3e, 0x7b, 0x08, 0xd0, 0xa7, 0x6b, 0x6b, 0xfc, 0x68, 0xc8, 0x12, 0xf3, 0x75,
      0xc7, 0x9b, 0x8f, 0xe5, 0xfd, 0x85, 0x97, 0x6a, 0xa6, 0xd4, 0x6b, 0x4a, 0x23, 0x39, 0xd8, 0xae, 0x51, 0x47, 0xf6,
      0x80, 0xfb, 0xe7, 0x0f, 0x97, 0x8b, 0x38, 0xef, 0xfd, 0x7b, 0x2f, 0x78, 0x66, 0xa2, 0x25, 0x54, 0xe1, 0x93, 0xa9,
      0x4e, 0x98, 0xa6, 0x8b, 0x74, 0xbd, 0x25, 0xbb, 0x2b, 0x3f, 0x5f, 0xb0, 0xa5, 0xfd, 0x59, 0x88, 0x7f, 0x9a, 0xb6,
      0x81, 0x59, 0xb7, 0x17, 0x8d, 0x5b, 0x7b, 0x67, 0x7c, 0xb5, 0x46, 0xbf, 0x41, 0xea, 0xdc, 0xa2, 0x16, 0xfc, 0x10,
      0x85, 0x01, 0x28, 0xf8, 0xbd, 0xef, 0x5c, 0x8d, 0x89, 0xf9, 0x6a, 0xfa, 0x4f, 0xa8, 0xb5, 0x48, 0x85, 0x56, 0x5e,
      0xd8, 0x38, 0xa9, 0x50, 0xfe, 0xe5, 0xf1, 0xc3, 0xb0, 0xa4, 0xf6, 0xfb, 0x71, 0xe5, 0x4d, 0xfd, 0x16, 0x9e, 0x82,
      0xce, 0xcc, 0x72, 0x66, 0xc8, 0x50, 0xe6, 0x7c, 0x5e, 0xf0, 0xba, 0x96, 0x0f, 0x52, 0x14, 0x06, 0x0e, 0x71, 0xeb,
      0x17, 0x2a, 0x75, 0xfc, 0x14, 0x86, 0x83, 0x5c, 0xbe, 0xa6, 0x53, 0x44, 0x65, 0xb0, 0x55, 0xc9, 0x6a, 0x72, 0xe4,
      0x10, 0x52, 0x24, 0x18, 0x23, 0x25, 0xd8, 0x30, 0x41, 0x4b, 0x40, 0x21, 0x4d, 0xaa, 0x80, 0x91, 0xd2, 0xe0, 0xfb,
      0x01, 0x0a, 0xe1, 0x5c, 0x6d, 0xe9, 0x08, 0x50, 0x97, 0x3b, 0xdf, 0x1e, 0x42, 0x3b, 0xe1, 0x48, 0xa2, 0x37, 0xb8,
      0x7a, 0x0c, 0x9f, 0x34, 0xd4, 0xb4, 0x76, 0x05, 0xb8, 0x03, 0xd7, 0x43, 0xa8, 0x6a, 0x90, 0x39, 0x9a, 0x4a, 0xf3,
      0x96, 0xd3, 0xa1, 0x20, 0x0a, 0x62, 0xf3, 0xd9, 0x50, 0x79, 0x62, 0xe8, 0xe5, 0xbe, 0xe6, 0xd3, 0xda, 0x2b, 0xb3,
      0xf7, 0x23, 0x76, 0x64, 0xac, 0x7a, 0x29, 0x28, 0x23, 0x90, 0x0b, 0xc6, 0x35, 0x03, 0xb2, 0x9e, 0x80, 0xd6, 0x3f,
      0x60, 0x67, 0xbf, 0x8e, 0x17, 0x16, 0xac, 0x25, 0xbe, 0xba, 0x35, 0x0d, 0xeb, 0x62, 0xa9, 0x9f, 0xe0, 0x31, 0x85,
      0xeb, 0x4f, 0x69, 0x93, 0x7e, 0xcd, 0x38, 0x79, 0x41, 0xfd, 0xa5, 0x44, 0xba, 0x67, 0xdb, 0x09, 0x11, 0x77, 0x49,
      0x38, 0xb0, 0x18, 0x27, 0xbc, 0xc6, 0x9c, 0x92, 0xb3, 0xf7, 0x72, 0xa9, 0xd2, 0x85, 0x9e, 0xf0, 0x03, 0x39, 0x8b,
      0x1f, 0x6b, 0xba, 0xd7, 0xb5, 0x74, 0xf7, 0x98, 0x9a, 0x1d, 0x10, 0xb2, 0xdf, 0x79, 0x8e, 0x0d, 0xbf, 0x30, 0xd6,
      0x58, 0x74, 0x64, 0xd2, 0x48, 0x78, 0xcd, 0x00, 0xc0, 0xea, 0xee, 0x8a, 0x1a, 0x0c, 0xc7, 0x53, 0xa2, 0x79, 0x79,
      0xe1, 0x1b, 0x41, 0xdb, 0x1d, 0xe3, 0xd5, 0x03, 0x8a, 0xfa, 0xf4, 0x9f, 0x5c, 0x68, 0x2c, 0x37, 0x48, 0xd8, 0xa3,
      0xa9, 0xec, 0x54, 0xe6, 0xa3, 0x71, 0x27, 0x5f, 0x16, 0x83, 0x51, 0x0f, 0x8e, 0x4f, 0x90, 0x93, 0x8f, 0x9a, 0xb6,
      0xe1, 0x34, 0xc2, 0xcf, 0xdf, 0x48, 0x41, 0xcb, 0xa8, 0x8e, 0x0c, 0xff, 0x2b, 0x0b, 0xcc, 0x8e, 0x6a, 0xdc, 0xb7,
      0x11, 0x09, 0xb5, 0x19, 0x8f, 0xec, 0xf1, 0xbb, 0x7e, 0x5c, 0x53, 0x1a, 0xca, 0x50, 0xa5, 0x6a, 0x8a, 0x3b, 0x6d,
      0xe5, 0x98, 0x62, 0xd4, 0x1f, 0xa1, 0x13, 0xd9, 0xcd, 0x95, 0x78, 0x08, 0xf0, 0x85, 0x71, 0xd9, 0xa4, 0xbb, 0x79,
      0x2a, 0xf2, 0x71, 0xf6, 0xcc, 0x6d, 0xbb, 0x8d, 0xc7, 0xec, 0x36, 0xe3, 0x6b, 0xe1, 0xed, 0x30, 0x81, 0x64, 0xc3,
      0x1c, 0x7c, 0x0a, 0xfc, 0x54, 0x1c, 0x00, 0x00, 0x00};

  uint8_t expected_mac[] = {0x0c, 0xa1, 0x27, 0x92};

  uint8_t mac[4];

  // gen mac
  liblte_security_128_eia3(key, count, bearer, direction, msg, len_bits, mac);
  int i;

  bool failed = false;
  for (i = 0; i < 4; i++) {
    if (mac[i] != expected_mac[i]) {
      failed = true;
    }
    TESTASSERT(mac[i] == expected_mac[i]);
  }
  if (failed == true) {
    printf("Test Set 5: Failed\n");
  } else {
    printf("Test Set 5: Success\n");
  }
  return SRSRAN_SUCCESS;
}

int main(int argc, char* argv[])
{
  TESTASSERT(test_set_1() == SRSRAN_SUCCESS);
  TESTASSERT(test_set_2() == SRSRAN_SUCCESS);
  TESTASSERT(test_set_3() == SRSRAN_SUCCESS);
  TESTASSERT(test_set_4() == SRSRAN_SUCCESS);
  TESTASSERT(test_set_5() == SRSRAN_SUCCESS);
  return SRSRAN_SUCCESS;
}