From 39daa496e9b2a7c3825ca102fa3c7462dc6683fc Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Sun, 22 Oct 2017 08:38:45 +0000 Subject: Crypto driver initial setup. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10869 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/include/hal_crypto.h | 205 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 os/hal/include/hal_crypto.h (limited to 'os/hal/include/hal_crypto.h') diff --git a/os/hal/include/hal_crypto.h b/os/hal/include/hal_crypto.h new file mode 100644 index 000000000..6e5309e37 --- /dev/null +++ b/os/hal/include/hal_crypto.h @@ -0,0 +1,205 @@ +/* + 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 hal_crypto.h + * @brief Cryptographic Driver macros and structures. + * + * @addtogroup CRYPTO + * @{ + */ + +#ifndef HAL_CRYPTO_H +#define HAL_CRYPTO_H + +#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name CRYPTO configuration options + * @{ + */ +/** + * @brief Enables asynchronous APIs. + * @note Disabling this option saves both code and data space. + */ +#if !defined(CRY_USE_CALLBACKS) || defined(__DOXYGEN__) +#define CRY_USE_CALLBACKS TRUE +#endif + +/** + * @brief Enables the @p cryAcquireBus() and @p cryReleaseBus() APIs. + * @note Disabling this option saves both code and data space. + */ +#if !defined(CRY_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__) +#define CRY_USE_MUTUAL_EXCLUSION TRUE +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Driver state machine possible states. + */ +typedef enum { + CRY_UNINIT = 0, /**< Not initialized. */ + CRY_STOP = 1, /**< Stopped. */ + CRY_READY = 2, /**< Ready. */ + CRY_ACTIVE = 3 /**< Operation running. */ +} crystate_t; + +/** + * @brief Driver error codes. + */ +typedef enum { + CRY_NOERROR = 0, /**< No error. */ + CRY_ERR_INV_ALGO = 1, /**< Invalid cypher/mode. */ + CRY_ERR_INV_KEY_SIZE = 2, /**< Invalid key size. */ + CRY_ERR_INV_KEY_TYPE = 3, /**< Invalid key type. */ + CRY_ERR_INV_KEY_ID = 4 /**< Invalid key type. */ +} cryerror_t; + +#include "hal_crypto_lld.h" + +#if !defined(CRY_LLD_SUPPORTS_AES_ECB) || \ + !defined(CRY_LLD_SUPPORTS_AES_CBC) || \ + !defined(CRY_LLD_SUPPORTS_AES_CFB) || \ + !defined(CRY_LLD_SUPPORTS_AES_CTR) +#error "CRYPTO LLD does not export required switches" +#endif + +/** + * @brief Type of an algorithm identifier. + */ +typedef enum { +#if (CRY_LLD_SUPPORTS_AES_ECB == TRUE) || defined(__DOXYGEN__) + cry_algo_aes_ecb, +#endif +#if (CRY_LLD_SUPPORTS_AES_CBC == TRUE) || defined(__DOXYGEN__) + cry_algo_aes_cbc, +#endif +#if (CRY_LLD_SUPPORTS_AES_CFB == TRUE) || defined(__DOXYGEN__) + cry_algo_aes_cfb, +#endif +#if (CRY_LLD_SUPPORTS_AES_CTR == TRUE) || defined(__DOXYGEN__) + cry_algo_aes_ctr, +#endif +} cryalgorithm_t; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Low level driver helper macros + * @{ + */ +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void cryInit(void); + void cryObjectInit(CRYDriver *cryp); + void cryStart(CRYDriver *cryp, const CRYConfig *config); + void cryStop(CRYDriver *cryp); + cryerror_t cryLoadTransientKey(CRYDriver *cryp, + cryalgorithm_t algorithm, + size_t size, + const uint8_t *keyp); + +#if CRY_LLD_SUPPORTS_AES_ECB == TRUE + cryerror_t cryEncryptAES_ECB(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out); + cryerror_t cryDecryptAES_ECB(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out); +#endif /* CRY_LLD_SUPPORTS_AES_ECB == TRUE */ + +#if CRY_LLD_SUPPORTS_AES_CBC == TRUE + cryerror_t cryEncryptAES_CBC(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *iv); + cryerror_t cryDecryptAES_CBC(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *iv); +#endif /* CRY_LLD_SUPPORTS_AES_CBC == TRUE */ + +#if CRY_LLD_SUPPORTS_AES_CFB == TRUE + cryerror_t cryEncryptAES_CFB(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *iv); + cryerror_t cryDecryptAES_CFB(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *iv); +#endif /* CRY_LLD_SUPPORTS_AES_CFB == TRUE */ + +#if CRY_LLD_SUPPORTS_AES_CTR == TRUE + cryerror_t cryEncryptAES_CTR(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *nonce, + uint8_t *cnt); + cryerror_t cryDecryptAES_CTR(crykey_t key_id, + size_t size, + const uint8_t *in, + uint8_t *out, + const uint8_t *nonce, + uint8_t *cnt); +#endif /* CRY_LLD_SUPPORTS_AES_CTR == TRUE */ + +#if ADC_USE_MUTUAL_EXCLUSION == TRUE + void cryAcquireBus(CRYDriver *cryp); + void cryReleaseBus(CRYDriver *cryp); +#endif +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_CRYPTO == TRUE */ + +#endif /* HAL_CRYPTO_H */ + +/** @} */ -- cgit v1.2.3