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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2017-10-22 08:38:45 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2017-10-22 08:38:45 +0000 |
| commit | 39daa496e9b2a7c3825ca102fa3c7462dc6683fc (patch) | |
| tree | ef6bfa6705d7c7be8a7a5d247a322ee6a02ccebb /os/hal/src | |
| parent | 62720d5a3bf579efa7afc81e7e7ec974fb182b7e (diff) | |
| download | ChibiOS-39daa496e9b2a7c3825ca102fa3c7462dc6683fc.tar.gz ChibiOS-39daa496e9b2a7c3825ca102fa3c7462dc6683fc.tar.bz2 ChibiOS-39daa496e9b2a7c3825ca102fa3c7462dc6683fc.zip | |
Crypto driver initial setup.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10869 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/src')
| -rw-r--r-- | os/hal/src/hal.c | 3 | ||||
| -rw-r--r-- | os/hal/src/hal_crypto.c | 424 |
2 files changed, 427 insertions, 0 deletions
diff --git a/os/hal/src/hal.c b/os/hal/src/hal.c index 583702bdc..1991987a8 100644 --- a/os/hal/src/hal.c +++ b/os/hal/src/hal.c @@ -70,6 +70,9 @@ void halInit(void) { #if (HAL_USE_CAN == TRUE) || defined(__DOXYGEN__)
canInit();
#endif
+#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
+ cryInit();
+#endif
#if (HAL_USE_DAC == TRUE) || defined(__DOXYGEN__)
dacInit();
#endif
diff --git a/os/hal/src/hal_crypto.c b/os/hal/src/hal_crypto.c new file mode 100644 index 000000000..0493da872 --- /dev/null +++ b/os/hal/src/hal_crypto.c @@ -0,0 +1,424 @@ +/*
+ 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.c
+ * @brief Cryptographic Driver code.
+ *
+ * @addtogroup CRYPTO
+ * @{
+ */
+
+#include "hal.h"
+
+#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Crypto Driver initialization.
+ * @note This function is implicitly invoked by @p halInit(), there is
+ * no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void cryInit(void) {
+
+ cry_lld_init();
+}
+
+/**
+ * @brief Initializes the standard part of a @p CRYDriver structure.
+ *
+ * @param[out] cryp pointer to the @p CRYDriver object
+ *
+ * @init
+ */
+void cryObjectInit(CRYDriver *cryp) {
+
+ cryp->state = CRY_STOP;
+ cryp->config = NULL;
+ cryp->thread = NULL;
+#if CRY_USE_MUTUAL_EXCLUSION == TRUE
+ osalMutexObjectInit(&cryp->mutex);
+#endif
+#if defined(CRY_DRIVER_EXT_INIT_HOOK)
+ CRY_DRIVER_EXT_INIT_HOOK(cryp);
+#endif
+}
+
+/**
+ * @brief Configures and activates the CRY peripheral.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[in] config pointer to the @p CRYConfig object. Depending on
+ * the implementation the value can be @p NULL.
+ *
+ * @api
+ */
+void cryStart(CRYDriver *cryp, const CRYConfig *config) {
+
+ osalDbgCheck(cryp != NULL);
+
+ osalSysLock();
+ osalDbgAssert((cryp->state == CRY_STOP) || (cryp->state == CRY_READY),
+ "invalid state");
+ cryp->config = config;
+ cry_lld_start(cryp);
+ cryp->state = CRY_READY;
+ osalSysUnlock();
+}
+
+/**
+ * @brief Deactivates the CRY peripheral.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ *
+ * @api
+ */
+void cryStop(CRYDriver *cryp) {
+
+ osalDbgCheck(cryp != NULL);
+
+ osalSysLock();
+
+ osalDbgAssert((cryp->state == CRY_STOP) || (cryp->state == CRY_READY),
+ "invalid state");
+
+ cry_lld_stop(cryp);
+ cryp->config = NULL;
+ cryp->state = CRY_STOP;
+
+ osalSysUnlock();
+}
+
+/**
+ * @brief Initializes the transient key for a specific algorithm.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[in] algorithm the algorithm identifier
+ * @param[in] size key size in bytes
+ * @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.
+ *
+ * @api
+ */
+cryerror_t cryLoadTransientKey(CRYDriver *cryp,
+ cryalgorithm_t algorithm,
+ size_t size,
+ const uint8_t *keyp);
+
+#if (CRY_LLD_SUPPORTS_AES_ECB == TRUE) || defined(__DOXYGEN__)
+/**
+ * @brief Encryption operation using AES-ECB.
+ *
+ * @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 cryEncryptAES_ECB(crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out) {
+
+}
+
+/**
+ * @brief Decryption operation using AES-ECB.
+ *
+ * @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 cryDecryptAES_ECB(crykey_t key_id,
+ size_t blocks,
+ const uint8_t *in,
+ uint8_t *out) {
+
+}
+#endif /* CRY_LLD_SUPPORTS_AES_ECB == TRUE */
+
+#if (CRY_LLD_SUPPORTS_AES_CBC == TRUE) || defined(__DOXYGEN__)
+/**
+ * @brief Encryption operation using AES-CBC.
+ *
+ * @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 cryEncryptAES_CBC(crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *iv){
+
+}
+
+/**
+ * @brief Decryption operation using AES-CBC.
+ *
+ * @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 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) || defined(__DOXYGEN__)
+/**
+ * @brief Encryption operation using AES-CFB.
+ *
+ * @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 cryEncryptAES_CFB(crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *iv) {
+
+}
+
+/**
+ * @brief Decryption operation using AES-CFB.
+ *
+ * @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 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) || defined(__DOXYGEN__)
+/**
+ * @brief Encryption operation using AES-CTR.
+ *
+ * @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 cryEncryptAES_CTR(crykey_t key_id,
+ size_t size,
+ const uint8_t *in,
+ uint8_t *out,
+ const uint8_t *nonce,
+ uint8_t *cnt) {
+
+}
+
+/**
+ * @brief Decryption operation using AES-CTR.
+ *
+ * @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 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 (CRY_USE_MUTUAL_EXCLUSION == TRUE) || defined(__DOXYGEN__)
+/**
+ * @brief Gains exclusive access to the CRY peripheral.
+ * @details This function tries to gain ownership to CRY bus, if the bus
+ * is already being used then the invoking thread is queued.
+ * @pre In order to use this function the option
+ * @p CRY_USE_MUTUAL_EXCLUSION must be enabled.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ *
+ * @api
+ */
+void cryAcquireBus(CRYDriver *cryp) {
+
+ osalDbgCheck(cryp != NULL);
+
+ osalMutexLock(&cryp->mutex);
+}
+
+/**
+ * @brief Releases exclusive access to the CRY peripheral.
+ * @pre In order to use this function the option
+ * @p CRY_USE_MUTUAL_EXCLUSION must be enabled.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ *
+ * @api
+ */
+void cryReleaseBus(CRYDriver *cryp) {
+
+ osalDbgCheck(cryp != NULL);
+
+ osalMutexUnlock(&cryp->mutex);
+}
+#endif /* CRY_USE_MUTUAL_EXCLUSION == TRUE */
+
+#endif /* HAL_USE_CRY == TRUE */
+
+/** @} */
|