/* * Copyright (c) 2014, Linaro Limited * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. 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. * * 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 TEE_CRYP_UTL_H #define TEE_CRYP_UTL_H #include #if !defined(CFG_WITH_SOFTWARE_PRNG) TEE_Result get_rng_array(void *buffer, int len); #endif TEE_Result tee_hash_get_digest_size(uint32_t algo, size_t *size); TEE_Result tee_hash_createdigest(uint32_t algo, const uint8_t *data, size_t datalen, uint8_t *digest, size_t digestlen); TEE_Result tee_mac_get_digest_size(uint32_t algo, size_t *size); TEE_Result tee_cipher_get_block_size(uint32_t algo, size_t *size); TEE_Result tee_do_cipher_update(void *ctx, uint32_t algo, TEE_OperationMode mode, bool last_block, const uint8_t *data, size_t len, uint8_t *dst); TEE_Result tee_aes_cbc_cts_update(void *cbc_ctx, void *ecb_ctx, TEE_OperationMode mode, bool last_block, const uint8_t *data, size_t len, uint8_t *dst); TEE_Result tee_prng_add_entropy(const uint8_t *in, size_t len); void plat_prng_add_jitter_entropy(void); /* * The _norpc version must not invoke Normal World, or infinite recursion * may occur. As an exception however, using mutexes is allowed. */ void plat_prng_add_jitter_entropy_norpc(void); #endif