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/*
* 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 <tee_api_types.h>
#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
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