diff options
Diffstat (limited to 'os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h')
| -rw-r--r-- | os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h new file mode 100644 index 000000000..135ac600c --- /dev/null +++ b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h @@ -0,0 +1,299 @@ +/*
+ 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_cry_lld.h
+ * @brief PLATFORM cryptographic subsystem low level driver header.
+ *
+ * @addtogroup CRYPTO
+ * @{
+ */
+
+#ifndef HAL_CRYPTO_LLD_H
+#define HAL_CRYPTO_LLD_H
+
+#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Driver capability switches
+ * @{
+ */
+#define CRY_LLD_SUPPORTS_AES TRUE
+#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
+#define CRY_LLD_SUPPORTS_AES_GCM TRUE
+#define CRY_LLD_SUPPORTS_DES TRUE
+#define CRY_LLD_SUPPORTS_DES_ECB TRUE
+#define CRY_LLD_SUPPORTS_DES_CBC TRUE
+/** @{ */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name PLATFORM configuration options
+ * @{
+ */
+/**
+ * @brief CRY1 driver enable switch.
+ * @details If set to @p TRUE the support for CRY1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(PLATFORM_CRY_USE_CRY1) || defined(__DOXYGEN__)
+#define PLATFORM_CRY_USE_CRY1 FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+typedef struct
+{
+ uint32_t encrypt;
+ uint32_t block_size;
+ uint32_t mode;
+ const uint8_t *iv;
+}aesparams;
+
+typedef enum {
+ TRANSFER_DMA = 0,
+ TRANSFER_POLLING,
+}crytransfermode_t;
+
+typedef enum {
+ AES_CFBS_128 = 0,
+ AES_CFBS_64,
+ AES_CFBS_32,
+ AES_CFBS_16,
+ AES_CFBS_8
+}aesciphersize_t;
+
+
+/**
+ * @brief CRY key identifier type.
+ */
+typedef uint32_t crykey_t;
+
+/**
+ * @brief Type of a structure representing an CRY driver.
+ */
+typedef struct CRYDriver CRYDriver;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+
+
+typedef enum {
+ TDES_ALGO_SINGLE = 0,
+ TDES_ALGO_TRIPLE,
+ TDES_ALGO_XTEA
+}tdes_algo_t;
+
+typedef struct {
+
+ crytransfermode_t transfer_mode;
+ uint32_t cfbs;
+ tdes_algo_t tdes_algo;
+
+} CRYConfig;
+
+#define CRY_DRIVER_EXT_FIELDS thread_reference_t thread; \
+ sama_dma_channel_t *dmarx; \
+ sama_dma_channel_t *dmatx; \
+ uint32_t rxdmamode; \
+ uint32_t txdmamode; \
+ uint8_t dmawith; \
+ uint8_t dmachunksize; \
+ uint8_t enabledPer;
+/**
+ * @brief Structure representing an CRY driver.
+ */
+struct CRYDriver {
+ /**
+ * @brief Driver state.
+ */
+ crystate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const CRYConfig *config;
+ /**
+ * @brief Algorithm type of transient key.
+ */
+ cryalgorithm_t key0_type;
+ /**
+ * @brief Size of transient key.
+ */
+ size_t key0_size;
+#if (HAL_CRY_USE_FALLBACK == TRUE) || defined(__DOXYGEN__)
+ /**
+ * @brief Key buffer for the fall-back implementation.
+ */
+ uint8_t key0_buffer[HAL_CRY_MAX_KEY_SIZE];
+#endif
+#if defined(CRY_DRIVER_EXT_FIELDS)
+ CRY_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if (PLATFORM_CRY_USE_CRY1 == TRUE) && !defined(__DOXYGEN__)
+extern CRYDriver CRYD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void cry_lld_init(void);
+ void cry_lld_start(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(CRYDriver *cryp,
+ crykey_t key_id,
+ const uint8_t *in,
+ uint8_t *out);
+ cryerror_t cry_lld_decrypt_AES(CRYDriver *cryp,
+ crykey_t key_id,
+ const uint8_t *in,
+ uint8_t *out);
+ 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 *iv);
+ 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 *iv);
+ cryerror_t cry_lld_encrypt_AES_GCM(CRYDriver *cryp,
+ crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *iv,
+ size_t aadsize,
+ const uint8_t *aad,
+ uint8_t *authtag);
+ cryerror_t cry_lld_decrypt_AES_GCM(CRYDriver *cryp,
+ crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *iv,
+ size_t aadsize,
+ const uint8_t *aad,
+ uint8_t *authtag);
+ cryerror_t cry_lld_encrypt_DES(CRYDriver *cryp,
+ crykey_t key_id,
+ const uint8_t *in,
+ uint8_t *out);
+ cryerror_t cry_lld_decrypt_DES(CRYDriver *cryp,
+ crykey_t key_id,
+ const uint8_t *in,
+ uint8_t *out);
+ cryerror_t cry_lld_encrypt_DES_ECB(CRYDriver *cryp,
+ crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out);
+ cryerror_t cry_lld_decrypt_DES_ECB(CRYDriver *cryp,
+ crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out);
+ cryerror_t cry_lld_encrypt_DES_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_DES_CBC(CRYDriver *cryp,
+ crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *iv);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_CRY == TRUE */
+
+#endif /* HAL_CRYPTO_LLD_H */
+
+/** @} */
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