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Diffstat (limited to 'include/fsl_caam.h')
| -rw-r--r-- | include/fsl_caam.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/fsl_caam.h b/include/fsl_caam.h new file mode 100644 index 0000000..e3ad6b8 --- /dev/null +++ b/include/fsl_caam.h @@ -0,0 +1,75 @@ +/* + * 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__ */ |