/*
 * Copyright 2013-2019 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * srsLTE 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.
 *
 * srsLTE 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 <stdlib.h>
#include <stdio.h>
#include <assert.h>

#include "srslte/srslte.h"
#include "srslte/common/liblte_security.h"

/*
 * Prototypes
 */

int32 arrcmp(uint8_t const * const a, uint8_t const * const b, uint32 len) {
  uint32 i = 0;

	for (i = 0; i < len; i++) {
		if (a[i] != b[i]) {
			return a[i] - b[i];
		}
	}
	return 0;
}

/*
 * Tests
 *
 * Document Reference: 33.401 V13.1.0 Annex C.1
 */

void test_set_1()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0xd3, 0xc5, 0xd5, 0x92, 0x32, 0x7f, 0xb1,
      0x1c, 0x40, 0x35, 0xc6, 0x68, 0x0a, 0xf8, 0xc6, 0xd1 };
  uint32_t count = 0x398a59b4;
  uint8_t bearer = 0x15;
  uint8_t direction = 1;
  uint32_t len_bits = 253, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x98, 0x1b, 0xa6, 0x82, 0x4c, 0x1b, 0xfb,
      0x1a, 0xb4, 0x85, 0x47, 0x20, 0x29, 0xb7, 0x1d, 0x80,
      0x8c, 0xe3, 0x3e, 0x2c, 0xc3, 0xc0, 0xb5, 0xfc, 0x1f,
      0x3d, 0xe8, 0xa6, 0xdc, 0x66, 0xb1, 0xf0 };
  uint8_t ct[] = { 0xe9, 0xfe, 0xd8, 0xa6, 0x3d, 0x15, 0x53,
      0x04, 0xd7, 0x1d, 0xf2, 0x0b, 0xf3, 0xe8, 0x22, 0x14,
      0xb2, 0x0e, 0xd7, 0xda, 0xd2, 0xf2, 0x33, 0xdc, 0x3c,
      0x22, 0xd7, 0xbd, 0xee, 0xed, 0x8e, 0x78 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

void test_set_2()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0x2b, 0xd6, 0x45, 0x9f, 0x82, 0xc4, 0x40,
      0xe0, 0x95, 0x2c, 0x49, 0x10, 0x48, 0x05, 0xff, 0x48 };
  uint32_t count = 0xc675a64b;
  uint8_t bearer = 0x0c;
  uint8_t direction = 1;
  uint32_t len_bits = 798, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x7e, 0xc6, 0x12, 0x72, 0x74, 0x3b, 0xf1,
      0x61, 0x47, 0x26, 0x44, 0x6a, 0x6c, 0x38, 0xce, 0xd1,
      0x66, 0xf6, 0xca, 0x76, 0xeb, 0x54, 0x30, 0x04, 0x42,
      0x86, 0x34, 0x6c, 0xef, 0x13, 0x0f, 0x92, 0x92, 0x2b,
      0x03, 0x45, 0x0d, 0x3a, 0x99, 0x75, 0xe5, 0xbd, 0x2e,
      0xa0, 0xeb, 0x55, 0xad, 0x8e, 0x1b, 0x19, 0x9e, 0x3e,
      0xc4, 0x31, 0x60, 0x20, 0xe9, 0xa1, 0xb2, 0x85, 0xe7,
      0x62, 0x79, 0x53, 0x59, 0xb7, 0xbd, 0xfd, 0x39, 0xbe,
      0xf4, 0xb2, 0x48, 0x45, 0x83, 0xd5, 0xaf, 0xe0, 0x82,
      0xae, 0xe6, 0x38, 0xbf, 0x5f, 0xd5, 0xa6, 0x06, 0x19,
      0x39, 0x01, 0xa0, 0x8f, 0x4a, 0xb4, 0x1a, 0xab, 0x9b,
      0x13, 0x48, 0x80 };
  uint8_t ct[] = { 0x59, 0x61, 0x60, 0x53, 0x53, 0xc6, 0x4b,
      0xdc, 0xa1, 0x5b, 0x19, 0x5e, 0x28, 0x85, 0x53, 0xa9,
      0x10, 0x63, 0x25, 0x06, 0xd6, 0x20, 0x0a, 0xa7, 0x90,
      0xc4, 0xc8, 0x06, 0xc9, 0x99, 0x04, 0xcf, 0x24, 0x45,
      0xcc, 0x50, 0xbb, 0x1c, 0xf1, 0x68, 0xa4, 0x96, 0x73,
      0x73, 0x4e, 0x08, 0x1b, 0x57, 0xe3, 0x24, 0xce, 0x52,
      0x59, 0xc0, 0xe7, 0x8d, 0x4c, 0xd9, 0x7b, 0x87, 0x09,
      0x76, 0x50, 0x3c, 0x09, 0x43, 0xf2, 0xcb, 0x5a, 0xe8,
      0xf0, 0x52, 0xc7, 0xb7, 0xd3, 0x92, 0x23, 0x95, 0x87,
      0xb8, 0x95, 0x60, 0x86, 0xbc, 0xab, 0x18, 0x83, 0x60,
      0x42, 0xe2, 0xe6, 0xce, 0x42, 0x43, 0x2a, 0x17, 0x10,
      0x5c, 0x53, 0xd0 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

void test_set_3()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0x0a, 0x8b, 0x6b, 0xd8, 0xd9, 0xb0, 0x8b,
      0x08, 0xd6, 0x4e, 0x32, 0xd1, 0x81, 0x77, 0x77, 0xfb };
  uint32_t count = 0x544d49cd;
  uint8_t bearer = 0x04;
  uint8_t direction = 0;
  uint32_t len_bits = 310, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0xfd, 0x40, 0xa4, 0x1d, 0x37, 0x0a, 0x1f,
      0x65, 0x74, 0x50, 0x95, 0x68, 0x7d, 0x47, 0xba, 0x1d,
      0x36, 0xd2, 0x34, 0x9e, 0x23, 0xf6, 0x44, 0x39, 0x2c,
      0x8e, 0xa9, 0xc4, 0x9d, 0x40, 0xc1, 0x32, 0x71, 0xaf,
      0xf2, 0x64, 0xd0, 0xf2, 0x48, 0x00 };
  uint8_t ct[] = { 0x75, 0x75, 0x0d, 0x37, 0xb4, 0xbb, 0xa2,
      0xa4, 0xde, 0xdb, 0x34, 0x23, 0x5b, 0xd6, 0x8c, 0x66,
      0x45, 0xac, 0xda, 0xac, 0xa4, 0x81, 0x38, 0xa3, 0xb0,
      0xc4, 0x71, 0xe2, 0xa7, 0x04, 0x1a, 0x57, 0x64, 0x23,
      0xd2, 0x92, 0x72, 0x87, 0xf0, 0x00 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

void test_set_4()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0xaa, 0x1f, 0x95, 0xae, 0xa5, 0x33, 0xbc,
      0xb3, 0x2e, 0xb6, 0x3b, 0xf5, 0x2d, 0x8f, 0x83, 0x1a };
  uint32_t count = 0x72d8c671;
  uint8_t bearer = 0x10;
  uint8_t direction = 1;
  uint32_t len_bits = 1022, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0xfb, 0x1b, 0x96, 0xc5, 0xc8, 0xba, 0xdf,
      0xb2, 0xe8, 0xe8, 0xed, 0xfd, 0xe7, 0x8e, 0x57, 0xf2,
      0xad, 0x81, 0xe7, 0x41, 0x03, 0xfc, 0x43, 0x0a, 0x53,
      0x4d, 0xcc, 0x37, 0xaf, 0xce, 0xc7, 0x0e, 0x15, 0x17,
      0xbb, 0x06, 0xf2, 0x72, 0x19, 0xda, 0xe4, 0x90, 0x22,
      0xdd, 0xc4, 0x7a, 0x06, 0x8d, 0xe4, 0xc9, 0x49, 0x6a,
      0x95, 0x1a, 0x6b, 0x09, 0xed, 0xbd, 0xc8, 0x64, 0xc7,
      0xad, 0xbd, 0x74, 0x0a, 0xc5, 0x0c, 0x02, 0x2f, 0x30,
      0x82, 0xba, 0xfd, 0x22, 0xd7, 0x81, 0x97, 0xc5, 0xd5,
      0x08, 0xb9, 0x77, 0xbc, 0xa1, 0x3f, 0x32, 0xe6, 0x52,
      0xe7, 0x4b, 0xa7, 0x28, 0x57, 0x60, 0x77, 0xce, 0x62,
      0x8c, 0x53, 0x5e, 0x87, 0xdc, 0x60, 0x77, 0xba, 0x07,
      0xd2, 0x90, 0x68, 0x59, 0x0c, 0x8c, 0xb5, 0xf1, 0x08,
      0x8e, 0x08, 0x2c, 0xfa, 0x0e, 0xc9, 0x61, 0x30, 0x2d,
      0x69, 0xcf, 0x3d, 0x44 };
  uint8_t ct[] = { 0xdf, 0xb4, 0x40, 0xac, 0xb3, 0x77, 0x35,
      0x49, 0xef, 0xc0, 0x46, 0x28, 0xae, 0xb8, 0xd8, 0x15,
      0x62, 0x75, 0x23, 0x0b, 0xdc, 0x69, 0x0d, 0x94, 0xb0,
      0x0d, 0x8d, 0x95, 0xf2, 0x8c, 0x4b, 0x56, 0x30, 0x7f,
      0x60, 0xf4, 0xca, 0x55, 0xeb, 0xa6, 0x61, 0xeb, 0xba,
      0x72, 0xac, 0x80, 0x8f, 0xa8, 0xc4, 0x9e, 0x26, 0x78,
      0x8e, 0xd0, 0x4a, 0x5d, 0x60, 0x6c, 0xb4, 0x18, 0xde,
      0x74, 0x87, 0x8b, 0x9a, 0x22, 0xf8, 0xef, 0x29, 0x59,
      0x0b, 0xc4, 0xeb, 0x57, 0xc9, 0xfa, 0xf7, 0xc4, 0x15,
      0x24, 0xa8, 0x85, 0xb8, 0x97, 0x9c, 0x42, 0x3f, 0x2f,
      0x8f, 0x8e, 0x05, 0x92, 0xa9, 0x87, 0x92, 0x01, 0xbe,
      0x7f, 0xf9, 0x77, 0x7a, 0x16, 0x2a, 0xb8, 0x10, 0xfe,
      0xb3, 0x24, 0xba, 0x74, 0xc4, 0xc1, 0x56, 0xe0, 0x4d,
      0x39, 0x09, 0x72, 0x09, 0x65, 0x3a, 0xc3, 0x3e, 0x5a,
      0x5f, 0x2d, 0x88, 0x64 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

void test_set_5()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0x96, 0x18, 0xae, 0x46, 0x89, 0x1f, 0x86,
      0x57, 0x8e, 0xeb, 0xe9, 0x0e, 0xf7, 0xa1, 0x20, 0x2e };
  uint32_t count = 0xc675a64b;
  uint8_t bearer = 0x0c;
  uint8_t direction = 1;
  uint32_t len_bits = 1245, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x8d, 0xaa, 0x17, 0xb1, 0xae, 0x05, 0x05,
      0x29, 0xc6, 0x82, 0x7f, 0x28, 0xc0, 0xef, 0x6a, 0x12,
      0x42, 0xe9, 0x3f, 0x8b, 0x31, 0x4f, 0xb1, 0x8a, 0x77,
      0xf7, 0x90, 0xae, 0x04, 0x9f, 0xed, 0xd6, 0x12, 0x26,
      0x7f, 0xec, 0xae, 0xfc, 0x45, 0x01, 0x74, 0xd7, 0x6d,
      0x9f, 0x9a, 0xa7, 0x75, 0x5a, 0x30, 0xcd, 0x90, 0xa9,
      0xa5, 0x87, 0x4b, 0xf4, 0x8e, 0xaf, 0x70, 0xee, 0xa3,
      0xa6, 0x2a, 0x25, 0x0a, 0x8b, 0x6b, 0xd8, 0xd9, 0xb0,
      0x8b, 0x08, 0xd6, 0x4e, 0x32, 0xd1, 0x81, 0x77, 0x77,
      0xfb, 0x54, 0x4d, 0x49, 0xcd, 0x49, 0x72, 0x0e, 0x21,
      0x9d, 0xbf, 0x8b, 0xbe, 0xd3, 0x39, 0x04, 0xe1, 0xfd,
      0x40, 0xa4, 0x1d, 0x37, 0x0a, 0x1f, 0x65, 0x74, 0x50,
      0x95, 0x68, 0x7d, 0x47, 0xba, 0x1d, 0x36, 0xd2, 0x34,
      0x9e, 0x23, 0xf6, 0x44, 0x39, 0x2c, 0x8e, 0xa9, 0xc4,
      0x9d, 0x40, 0xc1, 0x32, 0x71, 0xaf, 0xf2, 0x64, 0xd0,
      0xf2, 0x48, 0x41, 0xd6, 0x46, 0x5f, 0x09, 0x96, 0xff,
      0x84, 0xe6, 0x5f, 0xc5, 0x17, 0xc5, 0x3e, 0xfc, 0x33,
      0x63, 0xc3, 0x84, 0x92, 0xa8 };
  uint8_t ct[] = { 0x91, 0x9c, 0x8c, 0x33, 0xd6, 0x67, 0x89,
      0x70, 0x3d, 0x05, 0xa0, 0xd7, 0xce, 0x82, 0xa2, 0xae,
      0xac, 0x4e, 0xe7, 0x6c, 0x0f, 0x4d, 0xa0, 0x50, 0x33,
      0x5e, 0x8a, 0x84, 0xe7, 0x89, 0x7b, 0xa5, 0xdf, 0x2f,
      0x36, 0xbd, 0x51, 0x3e, 0x3d, 0x0c, 0x85, 0x78, 0xc7,
      0xa0, 0xfc, 0xf0, 0x43, 0xe0, 0x3a, 0xa3, 0xa3, 0x9f,
      0xba, 0xad, 0x7d, 0x15, 0xbe, 0x07, 0x4f, 0xaa, 0x5d,
      0x90, 0x29, 0xf7, 0x1f, 0xb4, 0x57, 0xb6, 0x47, 0x83,
      0x47, 0x14, 0xb0, 0xe1, 0x8f, 0x11, 0x7f, 0xca, 0x10,
      0x67, 0x79, 0x45, 0x09, 0x6c, 0x8c, 0x5f, 0x32, 0x6b,
      0xa8, 0xd6, 0x09, 0x5e, 0xb2, 0x9c, 0x3e, 0x36, 0xcf,
      0x24, 0x5d, 0x16, 0x22, 0xaa, 0xfe, 0x92, 0x1f, 0x75,
      0x66, 0xc4, 0xf5, 0xd6, 0x44, 0xf2, 0xf1, 0xfc, 0x0e,
      0xc6, 0x84, 0xdd, 0xb2, 0x13, 0x49, 0x74, 0x76, 0x22,
      0xe2, 0x09, 0x29, 0x5d, 0x27, 0xff, 0x3f, 0x95, 0x62,
      0x33, 0x71, 0xd4, 0x9b, 0x14, 0x7c, 0x0a, 0xf4, 0x86,
      0x17, 0x1f, 0x22, 0xcd, 0x04, 0xb1, 0xcb, 0xeb, 0x26,
      0x58, 0x22, 0x3e, 0x69, 0x38 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

void test_set_6()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0x54, 0xf4, 0xe2, 0xe0, 0x4c, 0x83, 0x78,
      0x6e, 0xec, 0x8f, 0xb5, 0xab, 0xe8, 0xe3, 0x65, 0x66 };
  uint32_t count = 0xaca4f50f;
  uint8_t bearer = 0x0b;
  uint8_t direction = 0;
  uint32_t len_bits = 3861, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x40, 0x98, 0x1b, 0xa6, 0x82, 0x4c, 0x1b,
      0xfb, 0x42, 0x86, 0xb2, 0x99, 0x78, 0x3d, 0xaf, 0x44,
      0x2c, 0x09, 0x9f, 0x7a, 0xb0, 0xf5, 0x8d, 0x5c, 0x8e,
      0x46, 0xb1, 0x04, 0xf0, 0x8f, 0x01, 0xb4, 0x1a, 0xb4,
      0x85, 0x47, 0x20, 0x29, 0xb7, 0x1d, 0x36, 0xbd, 0x1a,
      0x3d, 0x90, 0xdc, 0x3a, 0x41, 0xb4, 0x6d, 0x51, 0x67,
      0x2a, 0xc4, 0xc9, 0x66, 0x3a, 0x2b, 0xe0, 0x63, 0xda,
      0x4b, 0xc8, 0xd2, 0x80, 0x8c, 0xe3, 0x3e, 0x2c, 0xcc,
      0xbf, 0xc6, 0x34, 0xe1, 0xb2, 0x59, 0x06, 0x08, 0x76,
      0xa0, 0xfb, 0xb5, 0xa4, 0x37, 0xeb, 0xcc, 0x8d, 0x31,
      0xc1, 0x9e, 0x44, 0x54, 0x31, 0x87, 0x45, 0xe3, 0xfa,
      0x16, 0xbb, 0x11, 0xad, 0xae, 0x24, 0x88, 0x79, 0xfe,
      0x52, 0xdb, 0x25, 0x43, 0xe5, 0x3c, 0xf4, 0x45, 0xd3,
      0xd8, 0x28, 0xce, 0x0b, 0xf5, 0xc5, 0x60, 0x59, 0x3d,
      0x97, 0x27, 0x8a, 0x59, 0x76, 0x2d, 0xd0, 0xc2, 0xc9,
      0xcd, 0x68, 0xd4, 0x49, 0x6a, 0x79, 0x25, 0x08, 0x61,
      0x40, 0x14, 0xb1, 0x3b, 0x6a, 0xa5, 0x11, 0x28, 0xc1,
      0x8c, 0xd6, 0xa9, 0x0b, 0x87, 0x97, 0x8c, 0x2f, 0xf1,
      0xca, 0xbe, 0x7d, 0x9f, 0x89, 0x8a, 0x41, 0x1b, 0xfd,
      0xb8, 0x4f, 0x68, 0xf6, 0x72, 0x7b, 0x14, 0x99, 0xcd,
      0xd3, 0x0d, 0xf0, 0x44, 0x3a, 0xb4, 0xa6, 0x66, 0x53,
      0x33, 0x0b, 0xcb, 0xa1, 0x10, 0x5e, 0x4c, 0xec, 0x03,
      0x4c, 0x73, 0xe6, 0x05, 0xb4, 0x31, 0x0e, 0xaa, 0xad,
      0xcf, 0xd5, 0xb0, 0xca, 0x27, 0xff, 0xd8, 0x9d, 0x14,
      0x4d, 0xf4, 0x79, 0x27, 0x59, 0x42, 0x7c, 0x9c, 0xc1,
      0xf8, 0xcd, 0x8c, 0x87, 0x20, 0x23, 0x64, 0xb8, 0xa6,
      0x87, 0x95, 0x4c, 0xb0, 0x5a, 0x8d, 0x4e, 0x2d, 0x99,
      0xe7, 0x3d, 0xb1, 0x60, 0xde, 0xb1, 0x80, 0xad, 0x08,
      0x41, 0xe9, 0x67, 0x41, 0xa5, 0xd5, 0x9f, 0xe4, 0x18,
      0x9f, 0x15, 0x42, 0x00, 0x26, 0xfe, 0x4c, 0xd1, 0x21,
      0x04, 0x93, 0x2f, 0xb3, 0x8f, 0x73, 0x53, 0x40, 0x43,
      0x8a, 0xaf, 0x7e, 0xca, 0x6f, 0xd5, 0xcf, 0xd3, 0xa1,
      0x95, 0xce, 0x5a, 0xbe, 0x65, 0x27, 0x2a, 0xf6, 0x07,
      0xad, 0xa1, 0xbe, 0x65, 0xa6, 0xb4, 0xc9, 0xc0, 0x69,
      0x32, 0x34, 0x09, 0x2c, 0x4d, 0x01, 0x8f, 0x17, 0x56,
      0xc6, 0xdb, 0x9d, 0xc8, 0xa6, 0xd8, 0x0b, 0x88, 0x81,
      0x38, 0x61, 0x6b, 0x68, 0x12, 0x62, 0xf9, 0x54, 0xd0,
      0xe7, 0x71, 0x17, 0x48, 0x78, 0x0d, 0x92, 0x29, 0x1d,
      0x86, 0x29, 0x99, 0x72, 0xdb, 0x74, 0x1c, 0xfa, 0x4f,
      0x37, 0xb8, 0xb5, 0x6c, 0xdb, 0x18, 0xa7, 0xca, 0x82,
      0x18, 0xe8, 0x6e, 0x4b, 0x4b, 0x71, 0x6a, 0x4d, 0x04,
      0x37, 0x1f, 0xbe, 0xc2, 0x62, 0xfc, 0x5a, 0xd0, 0xb3,
      0x81, 0x9b, 0x18, 0x7b, 0x97, 0xe5, 0x5b, 0x1a, 0x4d,
      0x7c, 0x19, 0xee, 0x24, 0xc8, 0xb4, 0xd7, 0x72, 0x3c,
      0xfe, 0xdf, 0x04, 0x5b, 0x8a, 0xca, 0xe4, 0x86, 0x95,
      0x17, 0xd8, 0x0e, 0x50, 0x61, 0x5d, 0x90, 0x35, 0xd5,
      0xd9, 0xc5, 0xa4, 0x0a, 0xf6, 0x02, 0x28, 0x0b, 0x54,
      0x25, 0x97, 0xb0, 0xcb, 0x18, 0x61, 0x9e, 0xeb, 0x35,
      0x92, 0x57, 0x59, 0xd1, 0x95, 0xe1, 0x00, 0xe8, 0xe4,
      0xaa, 0x0c, 0x38, 0xa3, 0xc2, 0xab, 0xe0, 0xf3, 0xd8,
      0xff, 0x04, 0xf3, 0xc3, 0x3c, 0x29, 0x50, 0x69, 0xc2,
      0x36, 0x94, 0xb5, 0xbb, 0xea, 0xcd, 0xd5, 0x42, 0xe2,
      0x8e, 0x8a, 0x94, 0xed, 0xb9, 0x11, 0x9f, 0x41, 0x2d,
      0x05, 0x4b, 0xe1, 0xfa, 0x72, 0x00, 0xb0, 0x90, 0x00 };
  uint8_t ct[] = { 0x5c, 0xb7, 0x2c, 0x6e, 0xdc, 0x87, 0x8f,
      0x15, 0x66, 0xe1, 0x02, 0x53, 0xaf, 0xc3, 0x64, 0xc9,
      0xfa, 0x54, 0x0d, 0x91, 0x4d, 0xb9, 0x4c, 0xbe, 0xe2,
      0x75, 0xd0, 0x91, 0x7c, 0xa6, 0xaf, 0x0d, 0x77, 0xac,
      0xb4, 0xef, 0x3b, 0xbe, 0x1a, 0x72, 0x2b, 0x2e, 0xf5,
      0xbd, 0x1d, 0x4b, 0x8e, 0x2a, 0xa5, 0x02, 0x4e, 0xc1,
      0x38, 0x8a, 0x20, 0x1e, 0x7b, 0xce, 0x79, 0x20, 0xae,
      0xc6, 0x15, 0x89, 0x5f, 0x76, 0x3a, 0x55, 0x64, 0xdc,
      0xc4, 0xc4, 0x82, 0xa2, 0xee, 0x1d, 0x8b, 0xfe, 0xcc,
      0x44, 0x98, 0xec, 0xa8, 0x3f, 0xbb, 0x75, 0xf9, 0xab,
      0x53, 0x0e, 0x0d, 0xaf, 0xbe, 0xde, 0x2f, 0xa5, 0x89,
      0x5b, 0x82, 0x99, 0x1b, 0x62, 0x77, 0xc5, 0x29, 0xe0,
      0xf2, 0x52, 0x9d, 0x7f, 0x79, 0x60, 0x6b, 0xe9, 0x67,
      0x06, 0x29, 0x6d, 0xed, 0xfa, 0x9d, 0x74, 0x12, 0xb6,
      0x16, 0x95, 0x8c, 0xb5, 0x63, 0xc6, 0x78, 0xc0, 0x28,
      0x25, 0xc3, 0x0d, 0x0a, 0xee, 0x77, 0xc4, 0xc1, 0x46,
      0xd2, 0x76, 0x54, 0x12, 0x42, 0x1a, 0x80, 0x8d, 0x13,
      0xce, 0xc8, 0x19, 0x69, 0x4c, 0x75, 0xad, 0x57, 0x2e,
      0x9b, 0x97, 0x3d, 0x94, 0x8b, 0x81, 0xa9, 0x33, 0x7c,
      0x3b, 0x2a, 0x17, 0x19, 0x2e, 0x22, 0xc2, 0x06, 0x9f,
      0x7e, 0xd1, 0x16, 0x2a, 0xf4, 0x4c, 0xde, 0xa8, 0x17,
      0x60, 0x36, 0x65, 0xe8, 0x07, 0xce, 0x40, 0xc8, 0xe0,
      0xdd, 0x9d, 0x63, 0x94, 0xdc, 0x6e, 0x31, 0x15, 0x3f,
      0xe1, 0x95, 0x5c, 0x47, 0xaf, 0xb5, 0x1f, 0x26, 0x17,
      0xee, 0x0c, 0x5e, 0x3b, 0x8e, 0xf1, 0xad, 0x75, 0x74,
      0xed, 0x34, 0x3e, 0xdc, 0x27, 0x43, 0xcc, 0x94, 0xc9,
      0x90, 0xe1, 0xf1, 0xfd, 0x26, 0x42, 0x53, 0xc1, 0x78,
      0xde, 0xa7, 0x39, 0xc0, 0xbe, 0xfe, 0xeb, 0xcd, 0x9f,
      0x9b, 0x76, 0xd4, 0x9c, 0x10, 0x15, 0xc9, 0xfe, 0xcf,
      0x50, 0xe5, 0x3b, 0x8b, 0x52, 0x04, 0xdb, 0xcd, 0x3e,
      0xed, 0x86, 0x38, 0x55, 0xda, 0xbc, 0xdc, 0xc9, 0x4b,
      0x31, 0xe3, 0x18, 0x02, 0x15, 0x68, 0x85, 0x5c, 0x8b,
      0x9e, 0x52, 0xa9, 0x81, 0x95, 0x7a, 0x11, 0x28, 0x27,
      0xf9, 0x78, 0xba, 0x96, 0x0f, 0x14, 0x47, 0x91, 0x1b,
      0x31, 0x7b, 0x55, 0x11, 0xfb, 0xcc, 0x7f, 0xb1, 0x3a,
      0xc1, 0x53, 0xdb, 0x74, 0x25, 0x11, 0x17, 0xe4, 0x86,
      0x1e, 0xb9, 0xe8, 0x3b, 0xff, 0xff, 0xc4, 0xeb, 0x77,
      0x55, 0x57, 0x90, 0x38, 0xe5, 0x79, 0x24, 0xb1, 0xf7,
      0x8b, 0x3e, 0x1a, 0xd9, 0x0b, 0xab, 0x2a, 0x07, 0x87,
      0x1b, 0x72, 0xdb, 0x5e, 0xef, 0x96, 0xc3, 0x34, 0x04,
      0x49, 0x66, 0xdb, 0x0c, 0x37, 0xca, 0xfd, 0x1a, 0x89,
      0xe5, 0x64, 0x6a, 0x35, 0x80, 0xeb, 0x64, 0x65, 0xf1,
      0x21, 0xdc, 0xe9, 0xcb, 0x88, 0xd8, 0x5b, 0x96, 0xcf,
      0x23, 0xcc, 0xcc, 0xd4, 0x28, 0x07, 0x67, 0xbe, 0xe8,
      0xee, 0xb2, 0x3d, 0x86, 0x52, 0x46, 0x1d, 0xb6, 0x49,
      0x31, 0x03, 0x00, 0x3b, 0xaf, 0x89, 0xf5, 0xe1, 0x82,
      0x61, 0xea, 0x43, 0xc8, 0x4a, 0x92, 0xeb, 0xff, 0xff,
      0xe4, 0x90, 0x9d, 0xc4, 0x6c, 0x51, 0x92, 0xf8, 0x25,
      0xf7, 0x70, 0x60, 0x0b, 0x96, 0x02, 0xc5, 0x57, 0xb5,
      0xf8, 0xb4, 0x31, 0xa7, 0x9d, 0x45, 0x97, 0x7d, 0xd9,
      0xc4, 0x1b, 0x86, 0x3d, 0xa9, 0xe1, 0x42, 0xe9, 0x00,
      0x20, 0xcf, 0xd0, 0x74, 0xd6, 0x92, 0x7b, 0x7a, 0xb3,
      0xb6, 0x72, 0x5d, 0x1a, 0x6f, 0x3f, 0x98, 0xb9, 0xc9,
      0xda, 0xa8, 0x98, 0x2a, 0xff, 0x06, 0x78, 0x28, 0x00 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  struct timeval t[3];

  // encryption
  gettimeofday(&t[1], NULL);
  for (int i=0;i<100;i++) {
    err_lte = liblte_security_encryption_eea2(key, count, bearer,
                                              direction, msg, len_bits, out);
  }
  gettimeofday(&t[2], NULL);
  get_time_interval(t);
  printf("encryption: %u bits, t=%d us, rate=%.1f Mbps/s\n", len_bits, (int) t[0].tv_usec/100, (float) 100*len_bits/t[0].tv_usec);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  gettimeofday(&t[1], NULL);
  for (int i=0;i<100;i++) {
    err_lte = liblte_security_decryption_eea2(key, count, bearer,
                                              direction, ct, len_bits, out);
  }
  gettimeofday(&t[2], NULL);
  get_time_interval(t);
  printf("decryption: %u bits, t=%d us, rate=%.1f Mbps/s\n", len_bits, (int) t[0].tv_usec/100, (float) 100*len_bits/t[0].tv_usec);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

// set len_bitsgth to multiple of 8 respectively 128
void test_set_1_block_size()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0xd3, 0xc5, 0xd5, 0x92, 0x32, 0x7f, 0xb1,
      0x1c, 0x40, 0x35, 0xc6, 0x68, 0x0a, 0xf8, 0xc6, 0xd1 };
  uint32_t count = 0x398a59b4;
  uint8_t bearer = 0x15;
  uint8_t direction = 1;
  uint32_t len_bits = 256, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x98, 0x1b, 0xa6, 0x82, 0x4c, 0x1b, 0xfb,
      0x1a, 0xb4, 0x85, 0x47, 0x20, 0x29, 0xb7, 0x1d, 0x80,
      0x8c, 0xe3, 0x3e, 0x2c, 0xc3, 0xc0, 0xb5, 0xfc, 0x1f,
      0x3d, 0xe8, 0xa6, 0xdc, 0x66, 0xb1, 0xf0 };
  uint8_t ct[] = { 0xe9, 0xfe, 0xd8, 0xa6, 0x3d, 0x15, 0x53,
      0x04, 0xd7, 0x1d, 0xf2, 0x0b, 0xf3, 0xe8, 0x22, 0x14,
      0xb2, 0x0e, 0xd7, 0xda, 0xd2, 0xf2, 0x33, 0xdc, 0x3c,
      0x22, 0xd7, 0xbd, 0xee, 0xed, 0x8e, 0x78 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp == 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp == 0);

  free(out);
}

// inserted bit flip in msg[0]
void test_set_1_invalid()
{
  LIBLTE_ERROR_ENUM err_lte = LIBLTE_ERROR_INVALID_INPUTS;
  int32 err_cmp = 0;

  uint8_t key[] = { 0xd3, 0xc5, 0xd5, 0x92, 0x32, 0x7f, 0xb1,
      0x1c, 0x40, 0x35, 0xc6, 0x68, 0x0a, 0xf8, 0xc6, 0xd1 };
  uint32_t count = 0x398a59b4;
  uint8_t bearer = 0x15;
  uint8_t direction = 1;
  uint32_t len_bits = 253, len_bytes = (len_bits + 7) / 8;
  uint8_t msg[] = { 0x99, 0x1b, 0xa6, 0x82, 0x4c, 0x1b, 0xfb,
      0x1a, 0xb4, 0x85, 0x47, 0x20, 0x29, 0xb7, 0x1d, 0x80,
      0x8c, 0xe3, 0x3e, 0x2c, 0xc3, 0xc0, 0xb5, 0xfc, 0x1f,
      0x3d, 0xe8, 0xa6, 0xdc, 0x66, 0xb1, 0xf0 };
  uint8_t ct[] = { 0xe9, 0xfe, 0xd8, 0xa6, 0x3d, 0x15, 0x53,
      0x04, 0xd7, 0x1d, 0xf2, 0x0b, 0xf3, 0xe8, 0x22, 0x14,
      0xb2, 0x0e, 0xd7, 0xda, 0xd2, 0xf2, 0x33, 0xdc, 0x3c,
      0x22, 0xd7, 0xbd, 0xee, 0xed, 0x8e, 0x78 };

  uint8_t * out = (uint8_t *) calloc(len_bytes,
      sizeof(uint8_t));

  // encryption
  err_lte = liblte_security_encryption_eea2(key, count, bearer,
      direction, msg, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(ct, out, len_bytes);
  assert(err_cmp != 0);

  // decryption
  err_lte = liblte_security_decryption_eea2(key, count, bearer,
      direction, ct, len_bits, out);
  assert(err_lte == LIBLTE_SUCCESS);

  // compare cipher text
  err_cmp = arrcmp(msg, out, len_bytes);
  assert(err_cmp != 0);

  free(out);
}

/*
 * Functions
 */

int main(int argc, char * argv[]) {
  test_set_1();
  test_set_2();
  test_set_3();
  test_set_4();
  test_set_5();
  test_set_6();
  test_set_1_block_size();
  test_set_1_invalid();
}