初始版本
This commit is contained in:
xiaozhengsheng
@@ -0,0 +1,205 @@
|
||||
/**
|
||||
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
|
||||
*
|
||||
* 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, except as embedded into a Nordic
|
||||
* Semiconductor ASA integrated circuit in a product or a software update for
|
||||
* such product, 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 Nordic Semiconductor ASA nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* 4. This software, with or without modification, must only be used with a
|
||||
* Nordic Semiconductor ASA integrated circuit.
|
||||
*
|
||||
* 5. Any software provided in binary form under this license must not be reverse
|
||||
* engineered, decompiled, modified and/or disassembled.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
|
||||
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "sdk_common.h"
|
||||
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO)
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "cifra_backend_aes_aead.h"
|
||||
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO_CIFRA_AES_AEAD)
|
||||
|
||||
/**@internal @brief Type declaration of a template matching all possible context sizes
|
||||
* for this backend.
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
nrf_crypto_aead_internal_context_t header; /**< Common header for context. */
|
||||
cf_aes_context context;
|
||||
} nrf_crypto_backend_cifra_aes_aead_context_t;
|
||||
|
||||
|
||||
static ret_code_t result_get(int error)
|
||||
{
|
||||
switch (error)
|
||||
{
|
||||
case 0:
|
||||
return NRF_SUCCESS;
|
||||
|
||||
case 1:
|
||||
return NRF_ERROR_CRYPTO_AEAD_INVALID_MAC;
|
||||
|
||||
default:
|
||||
return NRF_ERROR_CRYPTO_INTERNAL;
|
||||
}
|
||||
}
|
||||
|
||||
static ret_code_t backend_cifra_init(void * const p_context, uint8_t * p_key)
|
||||
{
|
||||
nrf_crypto_backend_cifra_aes_aead_context_t * p_ctx =
|
||||
(nrf_crypto_backend_cifra_aes_aead_context_t *)p_context;
|
||||
|
||||
if ((p_ctx->header.p_info->key_size != NRF_CRYPTO_KEY_SIZE_128) &&
|
||||
(p_ctx->header.p_info->key_size != NRF_CRYPTO_KEY_SIZE_192) &&
|
||||
(p_ctx->header.p_info->key_size != NRF_CRYPTO_KEY_SIZE_256))
|
||||
{
|
||||
return NRF_ERROR_CRYPTO_KEY_SIZE;
|
||||
}
|
||||
|
||||
VERIFY_TRUE((p_ctx->header.p_info->mode == NRF_CRYPTO_AEAD_MODE_AES_EAX),
|
||||
NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
|
||||
|
||||
cf_aes_init(&p_ctx->context,
|
||||
p_key,
|
||||
(p_ctx->header.p_info->key_size)>>3); // >>3: changes bits to bytes
|
||||
|
||||
return NRF_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
static ret_code_t backend_cifra_uninit(void * const p_context)
|
||||
{
|
||||
nrf_crypto_backend_cifra_aes_aead_context_t * p_ctx =
|
||||
(nrf_crypto_backend_cifra_aes_aead_context_t *)p_context;
|
||||
|
||||
cf_aes_finish(&p_ctx->context);
|
||||
|
||||
return NRF_SUCCESS;
|
||||
}
|
||||
|
||||
static ret_code_t backend_cifra_crypt(void * const p_context,
|
||||
nrf_crypto_operation_t operation,
|
||||
uint8_t * p_nonce,
|
||||
uint8_t nonce_size,
|
||||
uint8_t * p_adata,
|
||||
size_t adata_size,
|
||||
uint8_t * p_data_in,
|
||||
size_t data_in_size,
|
||||
uint8_t * p_data_out,
|
||||
uint8_t * p_mac,
|
||||
uint8_t mac_size)
|
||||
{
|
||||
|
||||
int result;
|
||||
ret_code_t ret_val;
|
||||
|
||||
nrf_crypto_backend_cifra_aes_aead_context_t * p_ctx =
|
||||
(nrf_crypto_backend_cifra_aes_aead_context_t *)p_context;
|
||||
|
||||
ret_val = NRF_SUCCESS;
|
||||
|
||||
/* EAX mode allows following mac size: [1 ... 16] */
|
||||
if ((mac_size < 1) || (mac_size > NRF_CRYPTO_AES_BLOCK_SIZE))
|
||||
{
|
||||
return NRF_ERROR_CRYPTO_AEAD_MAC_SIZE;
|
||||
}
|
||||
|
||||
if (operation == NRF_CRYPTO_ENCRYPT)
|
||||
{
|
||||
cf_eax_encrypt(&cf_aes,
|
||||
&p_ctx->context,
|
||||
p_data_in,
|
||||
data_in_size,
|
||||
p_adata,
|
||||
adata_size,
|
||||
p_nonce,
|
||||
(size_t)nonce_size,
|
||||
p_data_out,
|
||||
p_mac,
|
||||
mac_size);
|
||||
}
|
||||
else if (operation == NRF_CRYPTO_DECRYPT)
|
||||
{
|
||||
result = cf_eax_decrypt(&cf_aes,
|
||||
&p_ctx->context,
|
||||
p_data_in,
|
||||
data_in_size,
|
||||
p_adata,
|
||||
adata_size,
|
||||
p_nonce,
|
||||
(size_t)nonce_size,
|
||||
p_mac,
|
||||
mac_size,
|
||||
p_data_out);
|
||||
ret_val = result_get(result);
|
||||
}
|
||||
else
|
||||
{
|
||||
return NRF_ERROR_CRYPTO_INVALID_PARAM;
|
||||
}
|
||||
|
||||
return ret_val;
|
||||
}
|
||||
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA_AES_EAX)
|
||||
nrf_crypto_aead_info_t const g_nrf_crypto_aes_eax_128_info =
|
||||
{
|
||||
.key_size = NRF_CRYPTO_KEY_SIZE_128,
|
||||
.mode = NRF_CRYPTO_AEAD_MODE_AES_EAX,
|
||||
|
||||
.init_fn = backend_cifra_init,
|
||||
.uninit_fn = backend_cifra_uninit,
|
||||
.crypt_fn = backend_cifra_crypt
|
||||
};
|
||||
|
||||
nrf_crypto_aead_info_t const g_nrf_crypto_aes_eax_192_info =
|
||||
{
|
||||
.key_size = NRF_CRYPTO_KEY_SIZE_192,
|
||||
.mode = NRF_CRYPTO_AEAD_MODE_AES_EAX,
|
||||
|
||||
.init_fn = backend_cifra_init,
|
||||
.uninit_fn = backend_cifra_uninit,
|
||||
.crypt_fn = backend_cifra_crypt
|
||||
};
|
||||
|
||||
nrf_crypto_aead_info_t const g_nrf_crypto_aes_eax_256_info =
|
||||
{
|
||||
.key_size = NRF_CRYPTO_KEY_SIZE_256,
|
||||
.mode = NRF_CRYPTO_AEAD_MODE_AES_EAX,
|
||||
|
||||
.init_fn = backend_cifra_init,
|
||||
.uninit_fn = backend_cifra_uninit,
|
||||
.crypt_fn = backend_cifra_crypt
|
||||
};
|
||||
#endif
|
||||
|
||||
#endif // MODULE_ENABLED(NRF_CRYPTO_AES_CCM_BACKEND_MBEDTLS)
|
||||
#endif // MODULE_ENABLED(NRF_CRYPTO)
|
||||
@@ -0,0 +1,98 @@
|
||||
/**
|
||||
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
|
||||
*
|
||||
* 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, except as embedded into a Nordic
|
||||
* Semiconductor ASA integrated circuit in a product or a software update for
|
||||
* such product, 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 Nordic Semiconductor ASA nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* 4. This software, with or without modification, must only be used with a
|
||||
* Nordic Semiconductor ASA integrated circuit.
|
||||
*
|
||||
* 5. Any software provided in binary form under this license must not be reverse
|
||||
* engineered, decompiled, modified and/or disassembled.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
|
||||
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef CIFRA_BACKEND_AES_AEAD_H__
|
||||
#define CIFRA_BACKEND_AES_AEAD_H__
|
||||
|
||||
/** @file
|
||||
*
|
||||
* @defgroup nrf_crypto_cifra_backend_aes_aead nrf_crypto Cifra backend AES AEAD
|
||||
* @{
|
||||
* @ingroup nrf_crypto_cifra_backend
|
||||
*
|
||||
* @brief AES AEAD functionality provided by the nrf_crypto Cifra backend.
|
||||
*/
|
||||
|
||||
#include "sdk_config.h"
|
||||
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA)
|
||||
|
||||
#include "modes.h"
|
||||
#include "cifra_eax_aes.h"
|
||||
#include "nrf_crypto_error.h"
|
||||
#include "nrf_crypto_types.h"
|
||||
#include "nrf_crypto_aead_shared.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* AES EAX */
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA_AES_EAX)
|
||||
#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_EAX)
|
||||
#error "Duplicate definition of AES EAX mode. More than one backend enabled");
|
||||
#endif
|
||||
#define NRF_CRYPTO_AES_EAX_ENABLED 1
|
||||
#undef NRF_CRYPTO_AEAD_ENABLED
|
||||
#define NRF_CRYPTO_AEAD_ENABLED 1 // Flag that nrf_crypto_aes_aead frontend can be compiled
|
||||
#undef NRF_CRYPTO_CIFRA_AES_AEAD_ENABLED
|
||||
#define NRF_CRYPTO_CIFRA_AES_AEAD_ENABLED 1 // aes_aead backend cifra can be compiled
|
||||
|
||||
/* defines for test purposes */
|
||||
#define NRF_CRYPTO_AES_EAX_128_ENABLED 1
|
||||
#define NRF_CRYPTO_AES_EAX_192_ENABLED 1
|
||||
#define NRF_CRYPTO_AES_EAX_256_ENABLED 1
|
||||
|
||||
typedef struct
|
||||
{
|
||||
nrf_crypto_aead_internal_context_t header; /**< Common header for context. */
|
||||
cf_aes_context context; /**< AES EAX context internal to Cifra. */
|
||||
} nrf_crypto_backend_aes_eax_context_t;
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA)
|
||||
|
||||
/** @} */
|
||||
|
||||
#endif // CIFRA_BACKEND_AES_AEAD_H__
|
||||
|
||||
Reference in New Issue
Block a user