2 * Copyright (c) 2014, Linaro Limited
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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.
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
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28 #ifndef TEE_CRYP_UTL_H
29 #define TEE_CRYP_UTL_H
31 #include <tee_api_types.h>
33 #if !defined(CFG_WITH_SOFTWARE_PRNG)
34 TEE_Result get_rng_array(void *buffer, int len);
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,
41 TEE_Result tee_mac_get_digest_size(uint32_t algo, size_t *size);
42 TEE_Result tee_cipher_get_block_size(uint32_t algo, size_t *size);
43 TEE_Result tee_do_cipher_update(void *ctx, uint32_t algo,
44 TEE_OperationMode mode, bool last_block,
45 const uint8_t *data, size_t len, uint8_t *dst);
46 TEE_Result tee_aes_cbc_cts_update(void *cbc_ctx, void *ecb_ctx,
47 TEE_OperationMode mode, bool last_block,
48 const uint8_t *data, size_t len,
51 TEE_Result tee_prng_add_entropy(const uint8_t *in, size_t len);
52 void plat_prng_add_jitter_entropy(void);
54 * The _norpc version must not invoke Normal World, or infinite recursion
55 * may occur. As an exception however, using mutexes is allowed.
57 void plat_prng_add_jitter_entropy_norpc(void);