1 /* 2 * Copyright (c) 2014, Linaro Limited 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TEE_CRYP_UTL_H 29 #define TEE_CRYP_UTL_H 30 31 #include <tee_api_types.h> 32 33 #if !defined(CFG_WITH_SOFTWARE_PRNG) 34 TEE_Result get_rng_array(void *buffer, int len); 35 #endif 36 37 TEE_Result tee_hash_get_digest_size(uint32_t algo, size_t *size); 38 TEE_Result tee_hash_createdigest(uint32_t algo, const uint8_t *data, 39 size_t datalen, uint8_t *digest, 40 size_t digestlen); 41 TEE_Result tee_hash_check(uint32_t algo, const uint8_t *hash, 42 size_t hash_size, const uint8_t *data, 43 size_t data_size); 44 TEE_Result tee_mac_get_digest_size(uint32_t algo, size_t *size); 45 TEE_Result tee_cipher_get_block_size(uint32_t algo, size_t *size); 46 TEE_Result tee_do_cipher_update(void *ctx, uint32_t algo, 47 TEE_OperationMode mode, bool last_block, 48 const uint8_t *data, size_t len, uint8_t *dst); 49 TEE_Result tee_aes_cbc_cts_update(void *cbc_ctx, void *ecb_ctx, 50 TEE_OperationMode mode, bool last_block, 51 const uint8_t *data, size_t len, 52 uint8_t *dst); 53 54 TEE_Result tee_prng_add_entropy(const uint8_t *in, size_t len); 55 56 #endif 57