cc2538: Add crypto driver and example for AES-CTR

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
This commit is contained in:
Benoît Thébaudeau 2015-12-27 17:56:44 +01:00
parent cf5e9557f8
commit 47c24cab11
7 changed files with 522 additions and 4 deletions

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@ -53,7 +53,7 @@ CONTIKI_CPU_DIRS += ../cc253x/usb/common ../cc253x/usb/common/cdc-acm
### CPU-dependent source files ### CPU-dependent source files
CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c uart.c watchdog.c CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c uart.c watchdog.c
CONTIKI_CPU_SOURCEFILES += nvic.c cpu.c sys-ctrl.c gpio.c ioc.c spi.c adc.c CONTIKI_CPU_SOURCEFILES += nvic.c cpu.c sys-ctrl.c gpio.c ioc.c spi.c adc.c
CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ecb.c cbc.c ccm.c sha256.c CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ecb.c cbc.c ctr.c ccm.c sha256.c
CONTIKI_CPU_SOURCEFILES += cc2538-aes-128.c cc2538-ccm-star.c CONTIKI_CPU_SOURCEFILES += cc2538-aes-128.c cc2538-ccm-star.c
CONTIKI_CPU_SOURCEFILES += cc2538-rf.c udma.c lpm.c CONTIKI_CPU_SOURCEFILES += cc2538-rf.c udma.c lpm.c
CONTIKI_CPU_SOURCEFILES += pka.c bignum-driver.c ecc-driver.c ecc-algorithm.c CONTIKI_CPU_SOURCEFILES += pka.c bignum-driver.c ecc-driver.c ecc-algorithm.c

77
cpu/cc2538/dev/ctr.c Normal file
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@ -0,0 +1,77 @@
/*
* Copyright (c) 2015, Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup cc2538-ctr
* @{
*
* \file
* Implementation of the cc2538 AES-CTR driver
*/
#include "contiki.h"
#include "dev/rom-util.h"
#include "dev/ctr.h"
#include <stdbool.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
uint8_t
ctr_crypt_start(uint8_t encrypt, uint8_t key_area, const void *nonce,
const void *ictr, uint8_t ctr_len, const void *mdata_in,
void *mdata_out, uint16_t mdata_len, struct process *process)
{
uint32_t ctrl;
uint32_t iv[AES_IV_LEN / sizeof(uint32_t)];
uint8_t nonce_len;
/* Program AES-CTR crypto operation */
ctrl = (((ctr_len >> 2) - 1) << AES_AES_CTRL_CTR_WIDTH_S) | /* CTR width */
AES_AES_CTRL_CTR | /* CTR */
(encrypt ? AES_AES_CTRL_DIRECTION_ENCRYPT : 0); /* En/decryption */
/* Prepare the crypto initialization vector */
nonce_len = AES_IV_LEN - ctr_len;
/* Nonce */
rom_util_memcpy(&((uint8_t *)iv)[0], nonce, nonce_len);
/* Initial counter */
rom_util_memcpy(&((uint8_t *)iv)[nonce_len], ictr, ctr_len);
return aes_auth_crypt_start(ctrl, key_area, iv, NULL, 0,
mdata_in, mdata_out, mdata_len, process);
}
/*---------------------------------------------------------------------------*/
int8_t
ctr_crypt_check_status(void)
{
return aes_auth_crypt_check_status() ? aes_auth_crypt_get_result(NULL, NULL) :
CRYPTO_PENDING;
}
/** @} */

89
cpu/cc2538/dev/ctr.h Normal file
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@ -0,0 +1,89 @@
/*
* Copyright (c) 2015, Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup cc2538-aes
* @{
*
* \defgroup cc2538-ctr cc2538 AES-CTR
*
* Driver for the cc2538 AES-CTR mode of the security core
* @{
*
* \file
* Header file for the cc2538 AES-CTR driver
*/
#ifndef CTR_H_
#define CTR_H_
#include "contiki.h"
#include "dev/aes.h"
#include <stdbool.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/** \name AES-CTR functions
* @{
*/
/** \brief Starts a CTR crypto operation
* \param encrypt \c true to encrypt, or \c false to decrypt
* \param key_area Area in Key RAM where the key is stored (0 to
* \c AES_KEY_AREAS - 1)
* \param nonce Pointer to nonce (\c AES_IV_LEN - \p ctr_len octets), or \c NULL
* \param ictr Pointer to initial counter
* \param ctr_len Length of counter in octets (4, 8, 12, or 16)
* \param mdata_in Pointer to input message in SRAM
* \param mdata_out Pointer to output message in SRAM (may be \p mdata_in)
* \param mdata_len Length of message in octets
* \param process Process to be polled upon completion of the operation, or
* \c NULL
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/CTR error code
*/
uint8_t ctr_crypt_start(uint8_t encrypt, uint8_t key_area, const void *nonce,
const void *ictr, uint8_t ctr_len, const void *mdata_in,
void *mdata_out, uint16_t mdata_len,
struct process *process);
/** \brief Checks the status of the CTR crypto operation
* \return \c CRYPTO_PENDING if operation still pending, \c CRYPTO_SUCCESS if
* successful, or CRYPTO/AES/CTR error code
* \note This function must be called only after \c ctr_crypt_start().
*/
int8_t ctr_crypt_check_status(void);
/** @} */
#endif /* CTR_H_ */
/**
* @}
* @}
*/

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@ -1,4 +1,4 @@
CONTIKI_PROJECT = ecb-test cbc-test ccm-test sha256-test CONTIKI_PROJECT = ecb-test cbc-test ctr-test ccm-test sha256-test
all: $(CONTIKI_PROJECT) all: $(CONTIKI_PROJECT)

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@ -0,0 +1,352 @@
/*
* Copyright (c) 2015, Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup cc2538-examples
* @{
*
* \defgroup cc2538-ctr-test cc2538dk AES-CTR Test Project
*
* AES-CTR access example for CC2538 on SmartRF06EB.
*
* This example shows how AES-CTR should be used. The example also verifies
* the AES-CTR functionality.
*
* @{
*
* \file
* Example demonstrating AES-CTR on the cc2538dk platform
*/
#include "contiki.h"
#include "sys/rtimer.h"
#include "dev/rom-util.h"
#include "dev/ctr.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define NONCE_MAX_LEN 0
#define ICTR_MAX_LEN 16
#define MDATA_MAX_LEN 64
/*---------------------------------------------------------------------------*/
PROCESS(ctr_test_process, "ctr test process");
AUTOSTART_PROCESSES(&ctr_test_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ctr_test_process, ev, data)
{
static const char *const str_res[] = {
"success",
"invalid param",
"NULL error",
"resource in use",
"DMA bus error",
"keystore read error",
"keystore write error",
"authentication failed"
};
static const uint8_t keys128[][128 / 8] = {
{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }
};
static const uint8_t keys192[][192 / 8] = {
{ 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52,
0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5,
0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b }
};
static const uint8_t keys256[][256 / 8] = {
{ 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4 }
};
static const struct {
const void *keys;
uint8_t key_size;
uint8_t count;
} keys[] = {
{ keys128, AES_KEY_STORE_SIZE_KEY_SIZE_128,
sizeof(keys128) / sizeof(keys128[0]) },
{ keys192, AES_KEY_STORE_SIZE_KEY_SIZE_192,
sizeof(keys192) / sizeof(keys192[0]) },
{ keys256, AES_KEY_STORE_SIZE_KEY_SIZE_256,
sizeof(keys256) / sizeof(keys256[0]) }
};
static const struct {
bool encrypt;
uint8_t key_size_index;
uint8_t key_area;
uint8_t nonce[NONCE_MAX_LEN];
uint8_t ictr[ICTR_MAX_LEN];
uint8_t ctr_len;
uint8_t mdata[MDATA_MAX_LEN];
uint16_t mdata_len;
uint8_t expected[MDATA_MAX_LEN];
} vectors[] = {
{
true, /* encrypt */
0, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
64, /* mdata_len */
{ 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce,
0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff,
0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e,
0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab,
0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee } /* expected */
}, {
false, /* encrypt */
0, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce,
0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff,
0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e,
0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab,
0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee }, /* mdata */
64, /* mdata_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
}, {
true, /* encrypt */
1, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
64, /* mdata_len */
{ 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2,
0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b,
0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef,
0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94,
0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70,
0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7,
0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58,
0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 } /* expected */
}, {
false, /* encrypt */
1, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2,
0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b,
0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef,
0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94,
0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70,
0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7,
0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58,
0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 }, /* mdata */
64, /* mdata_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
}, {
true, /* encrypt */
2, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
64, /* mdata_len */
{ 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5,
0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28,
0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a,
0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5,
0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c,
0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d,
0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6,
0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 } /* expected */
}, {
false, /* encrypt */
2, /* key_size_index */
0, /* key_area */
{}, /* nonce */
{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
16, /* ctr_len */
{ 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5,
0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28,
0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a,
0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5,
0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c,
0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d,
0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6,
0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 }, /* mdata */
64, /* mdata_len */
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
}
};
static uint8_t mdata[MDATA_MAX_LEN];
static int i;
static uint8_t key_size_index = -1, ret;
static int8_t res;
static rtimer_clock_t time, time2, total_time;
PROCESS_BEGIN();
puts("-----------------------------------------\n"
"Initializing cryptoprocessor...");
crypto_init();
for(i = 0; i < sizeof(vectors) / sizeof(vectors[0]); i++) {
if(key_size_index != vectors[i].key_size_index) {
key_size_index = vectors[i].key_size_index;
printf("-----------------------------------------\n"
"Filling %d-bit key store...\n", 128 + (key_size_index << 6));
time = RTIMER_NOW();
ret = aes_load_keys(keys[key_size_index].keys,
keys[key_size_index].key_size, keys[key_size_index].count, 0);
time = RTIMER_NOW() - time;
printf("aes_load_keys(): %s, %lu us\n", str_res[ret],
(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
PROCESS_PAUSE();
if(ret != CRYPTO_SUCCESS) {
break;
}
}
printf("-----------------------------------------\n"
"Test vector #%d: %s\n"
"key_area=%d ctr_len=%d mdata_len=%d\n",
i, vectors[i].encrypt ? "encrypt" : "decrypt",
vectors[i].key_area, vectors[i].ctr_len, vectors[i].mdata_len);
/* mdata has to be in SRAM. */
rom_util_memcpy(mdata, vectors[i].mdata, vectors[i].mdata_len);
time = RTIMER_NOW();
ret = ctr_crypt_start(vectors[i].encrypt, vectors[i].key_area,
vectors[i].nonce, vectors[i].ictr, vectors[i].ctr_len,
mdata, mdata, vectors[i].mdata_len,
&ctr_test_process);
time2 = RTIMER_NOW();
time = time2 - time;
total_time = time;
if(ret == CRYPTO_SUCCESS) {
PROCESS_WAIT_EVENT_UNTIL((res = ctr_crypt_check_status()) !=
CRYPTO_PENDING);
time2 = RTIMER_NOW() - time2;
total_time += time2;
}
printf("ctr_crypt_start(): %s, %lu us\n", str_res[ret],
(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
if(ret != CRYPTO_SUCCESS) {
PROCESS_PAUSE();
continue;
}
printf("ctr_crypt_check_status() wait: %s, %lu us\n", str_res[res],
(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
PROCESS_PAUSE();
if(res != CRYPTO_SUCCESS) {
continue;
}
if(rom_util_memcmp(mdata, vectors[i].expected, vectors[i].mdata_len)) {
puts("Output message does not match expected one");
} else {
puts("Output message OK");
}
printf("Total duration: %lu us\n",
(uint32_t)((uint64_t)total_time * 1000000 / RTIMER_SECOND));
}
puts("-----------------------------------------\n"
"Disabling cryptoprocessor...");
crypto_disable();
puts("Done!");
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/

View file

@ -30,7 +30,7 @@ In terms of hardware support, the following drivers have been implemented:
* General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development. * General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development.
* ADC * ADC
* PWM * PWM
* Cryptoprocessor (AES-ECB/CBC/CCM-128/192/256, SHA-256) * Cryptoprocessor (AES-ECB/CBC/CTR/CCM-128/192/256, SHA-256)
* Public Key Accelerator (ECDH, ECDSA) * Public Key Accelerator (ECDH, ECDSA)
* Flash-based port of Coffee * Flash-based port of Coffee
* SmartRF06 EB and BB peripherals * SmartRF06 EB and BB peripherals

View file

@ -51,7 +51,7 @@ In terms of hardware support, the following drivers have been implemented for th
* Low Power Modes * Low Power Modes
* General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development. * General-Purpose Timers. NB: GPT0 is in use by the platform code, the remaining GPTs are available for application development.
* ADC * ADC
* Cryptoprocessor (AES-ECB/CBC/CCM-128/192/256, SHA-256) * Cryptoprocessor (AES-ECB/CBC/CTR/CCM-128/192/256, SHA-256)
* Public Key Accelerator (ECDH, ECDSA) * Public Key Accelerator (ECDH, ECDSA)
* Flash-based port of Coffee * Flash-based port of Coffee
* PWM * PWM