fsl_caam.h
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/*
* 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__ */