/* * Copyright (c) 2012-2016, Freescale Semiconductor, Inc. * All rights reserved. * Copyright 2018 NXP * * 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_ANY (-1) #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); void imx_sec_init(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__ */