1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, Linaro Limited 4 */ 5 6 #ifndef __TEE_TEE_CRYP_UTL_H 7 #define __TEE_TEE_CRYP_UTL_H 8 9 #include <tee_api_types.h> 10 #include <crypto/crypto.h> 11 12 TEE_Result tee_alg_get_digest_size(uint32_t algo, size_t *size); 13 TEE_Result tee_hash_createdigest(uint32_t algo, const uint8_t *data, 14 size_t datalen, uint8_t *digest, 15 size_t digestlen); 16 TEE_Result tee_cipher_get_block_size(uint32_t algo, size_t *size); 17 TEE_Result tee_do_cipher_update(void *ctx, uint32_t algo, 18 TEE_OperationMode mode, bool last_block, 19 const uint8_t *data, size_t len, uint8_t *dst); 20 21 /* 22 * plat_prng_add_jitter_entropy() - Adds jitter to RNG entropy pool 23 * @sid: source ID, normally unique per location of the call 24 * @pnum: pointer where the pool number for this @sid is stored 25 * 26 * Note that the supplied @sid controls (CRYPTO_RNG_SRC_IS_QUICK()) whether 27 * RPC is allowed to be performed or the event just will be queued for later 28 * consumption. 29 */ 30 void plat_prng_add_jitter_entropy(enum crypto_rng_src sid, unsigned int *pnum); 31 32 /* 33 * plat_rng_init() - Initialize RNG support. 34 * If not overridden with a platform implementation, the function defaults 35 * to __plat_rng_init() that implements a weak seeding of the RNG. 36 */ 37 void plat_rng_init(void); 38 void __plat_rng_init(void); 39 40 #endif 41