1 /* 2 * Copyright (C) 2016 Freescale Semiconductor, Inc. 3 * Copyright 2017 NXP 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _CAAM_H 30 #define _CAAM_H 31 32 #include <stdbool.h> 33 #include <stdint.h> 34 35 #include <nxp_hwcrypto_consts.h> 36 37 #define CAAM_KB_HEADER_LEN 48 38 #define CAAM_SUCCESS 0 39 #define CAAM_FAILURE 1 40 41 int init_caam_env(void); 42 43 void caam_open(void); 44 45 uint32_t caam_gen_blob(const uint8_t* kmod, 46 size_t kmod_size, 47 const uint8_t* plain_text, 48 uint8_t* blob, 49 uint32_t size); 50 51 uint32_t caam_decap_blob(const uint8_t* kmod, 52 size_t kmod_size, 53 uint8_t* plain_text, 54 const uint8_t* blob, 55 uint32_t size); 56 57 uint32_t caam_aes_op(const uint8_t* key, 58 size_t key_size, 59 const uint8_t* input, 60 uint8_t* output, 61 size_t len, 62 bool enc); 63 64 uint32_t caam_hwrng(uint8_t* output_ptr, uint32_t output_len); 65 66 uint32_t caam_gen_kdfv1_root_key(uint8_t* out, size_t size); 67 68 void* caam_get_keybox(void); 69 70 /* Declare small scatter gather safe buffer (size must be power of 2) */ 71 #define DECLARE_SG_SAFE_BUF(nm, sz) uint8_t nm[sz] __attribute__((aligned(sz))) 72 73 #endif 74