forked from contiki-ng/contiki-ng
-
Notifications
You must be signed in to change notification settings - Fork 5
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
8 changed files
with
440 additions
and
5 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /* | ||
| * Copyright (c) 2022, Uppsala universitet. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * 3. Neither the name of the Institute nor the names of its contributors | ||
| * may be used to endorse or promote products derived from this software | ||
| * without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND | ||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| * SUCH DAMAGE. | ||
| * | ||
| * This file is part of the Contiki operating system. | ||
| * | ||
| */ | ||
|
|
||
| /** | ||
| * \file | ||
| * Demonstrates the usage of FHMQV. | ||
| * \author | ||
| * Konrad Krentz <[email protected]> | ||
| */ | ||
|
|
||
| #include "contiki.h" | ||
| #include "lib/ecc.h" | ||
| #include "lib/sha-256.h" | ||
| #include <string.h> | ||
|
|
||
| #include "sys/log.h" | ||
| #define LOG_MODULE "FHMQV" | ||
| #define LOG_LEVEL LOG_LEVEL_DBG | ||
|
|
||
| #define ECC_CURVE (&ecc_curve_p_256) | ||
| #define ECC_CURVE_SIZE (ECC_CURVE_P_256_SIZE) | ||
|
|
||
| PROCESS(fhmqv_process, "FHMQV"); | ||
| AUTOSTART_PROCESSES(&fhmqv_process); | ||
|
|
||
| /*---------------------------------------------------------------------------*/ | ||
| PROCESS_THREAD(fhmqv_process, ev, data) | ||
| { | ||
| int result; | ||
| static uint8_t static_public_key_a[ECC_CURVE_SIZE * 2]; | ||
| static uint8_t static_private_key_a[ECC_CURVE_SIZE]; | ||
| static uint8_t ephemeral_public_key_a[ECC_CURVE_SIZE * 2]; | ||
| static uint8_t ephemeral_private_key_a[ECC_CURVE_SIZE]; | ||
| static uint8_t static_public_key_b[ECC_CURVE_SIZE * 2]; | ||
| static uint8_t static_private_key_b[ECC_CURVE_SIZE]; | ||
| static uint8_t ephemeral_public_key_b[ECC_CURVE_SIZE * 2]; | ||
| static uint8_t ephemeral_private_key_b[ECC_CURVE_SIZE]; | ||
| static uint8_t d[SHA_256_DIGEST_LENGTH]; | ||
| static uint8_t e[SHA_256_DIGEST_LENGTH]; | ||
| static uint8_t k_a[ECC_CURVE_SIZE]; | ||
| static uint8_t k_b[ECC_CURVE_SIZE]; | ||
|
|
||
| PROCESS_BEGIN(); | ||
|
|
||
| /* enable ECC driver */ | ||
| PROCESS_WAIT_UNTIL(process_mutex_try_lock(ECC.get_mutex())); | ||
| if(ECC.enable(ECC_CURVE)) { | ||
| LOG_ERR("enable failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
|
|
||
| LOG_INFO("generating key pairs\n"); | ||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_key_pair(static_public_key_a, | ||
| static_private_key_a, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("generate_key_pair failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_key_pair(ephemeral_public_key_a, | ||
| ephemeral_private_key_a, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("generate_key_pair failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_key_pair(static_public_key_b, | ||
| static_private_key_b, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("generate_key_pair failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_key_pair(ephemeral_public_key_b, | ||
| ephemeral_private_key_b, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("generate_key_pair failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
|
|
||
| LOG_INFO("running FHMQV\n"); | ||
|
|
||
| /* d || e */ | ||
| SHA_256.init(); | ||
| SHA_256.update(ephemeral_public_key_a, sizeof(ephemeral_public_key_a)); | ||
| SHA_256.update(ephemeral_public_key_b, sizeof(ephemeral_public_key_b)); | ||
| SHA_256.update(static_public_key_a, sizeof(static_public_key_a)); | ||
| SHA_256.update(static_public_key_b, sizeof(static_public_key_b)); | ||
| SHA_256.finalize(d); | ||
| memcpy(e + SHA_256_DIGEST_LENGTH / 2, d, SHA_256_DIGEST_LENGTH / 2); | ||
| memset(e, 0, SHA_256_DIGEST_LENGTH / 2); | ||
| memset(d, 0, SHA_256_DIGEST_LENGTH / 2); | ||
|
|
||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_fhmqv_secret(static_private_key_b, | ||
| ephemeral_private_key_b, | ||
| static_public_key_a, | ||
| ephemeral_public_key_a, | ||
| e, | ||
| d, | ||
| k_b, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("ECC.generate_fhmqv_secret failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
|
|
||
| PROCESS_PT_SPAWN(ECC.get_protothread(), | ||
| ECC.generate_fhmqv_secret(static_private_key_a, | ||
| ephemeral_private_key_a, | ||
| static_public_key_b, | ||
| ephemeral_public_key_b, | ||
| d, | ||
| e, | ||
| k_a, | ||
| &result)); | ||
| if(result) { | ||
| LOG_ERR("ECC.generate_fhmqv_secret failed\n"); | ||
| PROCESS_EXIT(); | ||
| } | ||
|
|
||
| ECC.disable(); | ||
|
|
||
| if(memcmp(k_a, k_b, ECC_CURVE_SIZE)) { | ||
| LOG_ERR("unequal\n"); | ||
| } else { | ||
| LOG_INFO("OK\n"); | ||
| } | ||
|
|
||
| PROCESS_END(); | ||
| } | ||
| /*---------------------------------------------------------------------------*/ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.