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Added crypto templates. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10873 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
Giovanni Di Sirio 2017-10-22 10:31:34 +00:00
parent 1c3467b983
commit dddff7b1f5
3 changed files with 515 additions and 11 deletions
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435
os/hal/templates/hal_crypto_lld.c Normal file
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@ -0,0 +1,435 @@
/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file CRYPv1/hal_crypto_lld.c
* @brief STM32 cryptographic subsystem low level driver source.
*
* @addtogroup CRYPTO
* @{
*/
#include "hal.h"
#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/** @brief CRY1 driver identifier.*/
#if PLATFORM_CRY_USE_CRY1 || defined(__DOXYGEN__)
CRYDriver CRYD1;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level crypto driver initialization.
*
* @notapi
*/
void cry_lld_init(void) {
}
/**
* @brief Configures and activates the crypto peripheral.
*
* @param[in] cryp pointer to the @p CRYDriver object
*
* @notapi
*/
void cry_lld_start(CRYDriver *cryp) {
if (cryp->state == CRY_STOP) {
}
}
/**
* @brief Deactivates the crypto peripheral.
*
* @param[in] cryp pointer to the @p CRYDriver object
*
* @notapi
*/
void cry_lld_stop(CRYDriver *cryp) {
if (cryp->state == CRY_READY) {
}
}
/**
* @brief Initializes the transient key for a specific algorithm.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] keyp pointer to the key data
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the specified algorithm is unknown or
* unsupported.
* @retval CRY_ERR_INV_KEY_SIZE if the specified key size is invalid.
*
* @notapi
*/
cryerror_t cry_lld_loadkey(CRYDriver *cryp,
cryalgorithm_t algorithm,
size_t size,
const uint8_t *keyp) {
(void)cryp;
(void)algorithm;
(void)size;
(void)keyp;
return CRY_NOERROR;
}
/**
* @brief Encryption operation using AES-ECB.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_encrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_NOERROR;
}
/**
* @brief Decryption operation using AES-ECB.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_decrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_NOERROR;
}
/**
* @brief Encryption operation using AES-CBC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_encrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_NOERROR;
}
/**
* @brief Decryption operation using AES-CBC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_decrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_NOERROR;
}
/**
* @brief Encryption operation using AES-CFB.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_encrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_NOERROR;
}
/**
* @brief Decryption operation using AES-CFB.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_decrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_NOERROR;
}
/**
* @brief Encryption operation using AES-CTR.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] nonce the "nonce" constant
* @param[in,out] cnt the initial value of the counter, normally zero
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @api
*/
cryerror_t cry_lld_encrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *nonce,
uint8_t *cnt) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)nonce;
(void)cnt;
return CRY_NOERROR;
}
/**
* @brief Decryption operation using AES-CTR.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is the
* transient key, other values are keys stored in an
* unspecified way
* @param[in] size size of the plaintext buffer, this number must be a
* multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] nonce the "nonce" constant
* @param[in,out] cnt the initial value of the counter, normally zero
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers and empty key slot.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *nonce,
uint8_t *cnt) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)nonce;
(void)cnt;
return CRY_NOERROR;
}
#endif /* HAL_USE_CRY == TRUE */
/** @} */

80
os/hal/templates/hal_crypto_lld.h
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@ -16,9 +16,9 @@
/** /**
* @file hal_cry_lld.h * @file hal_cry_lld.h
* @brief PLATFORM CRY subsystem low level driver header. * @brief PLATFORM cryptographic subsystem low level driver header.
* *
* @addtogroup CRY * @addtogroup CRYPTO
* @{ * @{
*/ */
@ -31,6 +31,16 @@
/* Driver constants. */ /* Driver constants. */
/*===========================================================================*/ /*===========================================================================*/
/**
* @name Driver capability switches
* @{
*/
#define CRY_LLD_SUPPORTS_AES_ECB TRUE
#define CRY_LLD_SUPPORTS_AES_CBC TRUE
#define CRY_LLD_SUPPORTS_AES_CFB TRUE
#define CRY_LLD_SUPPORTS_AES_CTR TRUE
/** @{ */
/*===========================================================================*/ /*===========================================================================*/
/* Driver pre-compile time settings. */ /* Driver pre-compile time settings. */
/*===========================================================================*/ /*===========================================================================*/
@ -97,23 +107,21 @@ typedef struct {
*/ */
struct CRYDriver { struct CRYDriver {
/** /**
* @brief Driver state. * @brief Driver state.
*/ */
crystate_t state; crystate_t state;
/** /**
* @brief Current configuration data. * @brief Current configuration data.
*/ */
const CRYConfig *config; const CRYConfig *config;
/** /**
* @brief Waiting thread. * @brief Algorithm type of transient key.
*/ */
thread_reference_t thread; cryalgorithm_t key0_type;
#if (CRY_USE_MUTUAL_EXCLUSION == TRUE) || defined(__DOXYGEN__)
/** /**
* @brief Mutex protecting the peripheral. * @brief Size of transient key.
*/ */
mutex_t mutex; size_t key0_size;
#endif
#if defined(CRY_DRIVER_EXT_FIELDS) #if defined(CRY_DRIVER_EXT_FIELDS)
CRY_DRIVER_EXT_FIELDS CRY_DRIVER_EXT_FIELDS
#endif #endif
@ -138,6 +146,58 @@ extern "C" {
void cry_lld_init(void); void cry_lld_init(void);
void cry_lld_start(CRYDriver *cryp); void cry_lld_start(CRYDriver *cryp);
void cry_lld_stop(CRYDriver *cryp); void cry_lld_stop(CRYDriver *cryp);
cryerror_t cry_lld_loadkey(CRYDriver *cryp,
cryalgorithm_t algorithm,
size_t size,
const uint8_t *keyp);
cryerror_t cry_lld_encrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out);
cryerror_t cry_lld_decrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out);
cryerror_t cry_lld_encrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv);
cryerror_t cry_lld_decrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv);
cryerror_t cry_lld_encrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv);
cryerror_t cry_lld_decrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv);
cryerror_t cry_lld_encrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *nonce,
uint8_t *cnt);
cryerror_t cry_lld_decrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *nonce,
uint8_t *cnt);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

11
os/hal/templates/platform.mk
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@ -1,6 +1,12 @@
# List of all the template platform files. # List of all the template platform files.
ifeq ($(USE_SMART_BUILD),yes) ifeq ($(USE_SMART_BUILD),yes)
HALCONF := $(strip $(shell cat halconf.h | egrep -e "\#define"))
# Configuration files directory
ifeq ($(CONFDIR),)
CONFDIR = .
endif
HALCONF := $(strip $(shell cat $(CONFDIR)/halconf.h | egrep -e "\#define"))
PLATFORMSRC := ${CHIBIOS}/os/hal/templates/hal_lld.c \ PLATFORMSRC := ${CHIBIOS}/os/hal/templates/hal_lld.c \
${CHIBIOS}/os/hal/templates/hal_st_lld.c ${CHIBIOS}/os/hal/templates/hal_st_lld.c
@ -10,6 +16,9 @@ endif
ifneq ($(findstring HAL_USE_CAN TRUE,$(HALCONF)),) ifneq ($(findstring HAL_USE_CAN TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS}/os/hal/templates/hal_can_lld.c PLATFORMSRC += ${CHIBIOS}/os/hal/templates/hal_can_lld.c
endif endif
ifneq ($(findstring HAL_USE_CRY TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS}/os/hal/templates/hal_cry_lld.c
endif
ifneq ($(findstring HAL_USE_DAC TRUE,$(HALCONF)),) ifneq ($(findstring HAL_USE_DAC TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS}/os/hal/templates/hal_dac_lld.c PLATFORMSRC += ${CHIBIOS}/os/hal/templates/hal_dac_lld.c
endif endif