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Diffstat (limited to 'os/hal/include/hal_crypto.h')
| -rw-r--r-- | os/hal/include/hal_crypto.h | 205 |
1 files changed, 205 insertions, 0 deletions
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 */
+
+/** @} */
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