| /* |
| * Copyright (c) 2012-2016, Freescale Semiconductor, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * o Redistributions of source code must retain the above copyright notice, this list |
| * of conditions and the following disclaimer. |
| * |
| * o Redistributions in binary form must reproduce the above copyright notice, this |
| * list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| * |
| * o Neither the name of Freescale Semiconductor, Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __CAAM_H__ |
| #define __CAAM_H__ |
| |
| //! @name Error codes |
| //@{ |
| #if !defined(SUCCESS) |
| #define SUCCESS (0) |
| #endif |
| |
| #define ERROR_IN_PAGE_ALLOC (1) |
| |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| //! @brief Enable and initialize the CAAM driver. |
| //! |
| //! This function enables the clock to the CAAM. It initializes the RNG, and |
| //! instantiate it to allow generation of key for blob. |
| //! |
| //////////////////////////////////////////////////////////////////////////////// |
| void caam_open(void); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| //! @brief Generate a blob of a secure key. |
| //! |
| //! @param[in] plain_data_addr Location address of the plain text data. |
| //! @param[in] blob_addr Location address of the blob. |
| //! @param[in] size Size in bytes of the data to encrypt. |
| //! |
| //! @return SUCCESS |
| //! @return ERROR_XXX |
| //////////////////////////////////////////////////////////////////////////////// |
| uint32_t caam_gen_blob(uint32_t plain_data_addr, uint32_t blob_addr, uint32_t size); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| //! @brief Decapsulate a blob of a secure key. |
| //! |
| //! @param[in] blob_addr Location address of the blob. |
| //! |
| //! @return SUCCESS |
| //! @return ERROR_XXX |
| //////////////////////////////////////////////////////////////////////////////// |
| uint32_t caam_decap_blob(uint32_t plain_text, uint32_t blob_addr, uint32_t size); |
| uint32_t caam_hwrng(uint8_t *output_ptr, uint32_t output_len); |
| |
| #endif /* __CAAM_H__ */ |
