1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, Linaro Limited 4 */ 5 6 #ifndef TEE_CRYP_UTL_H 7 #define TEE_CRYP_UTL_H 8 9 #include <tee_api_types.h> 10 #include <crypto/crypto.h> 11 12 #if !defined(CFG_WITH_SOFTWARE_PRNG) 13 TEE_Result get_rng_array(void *buffer, int len); 14 #endif 15 16 TEE_Result tee_hash_get_digest_size(uint32_t algo, size_t *size); 17 TEE_Result tee_hash_createdigest(uint32_t algo, const uint8_t *data, 18 size_t datalen, uint8_t *digest, 19 size_t digestlen); 20 TEE_Result tee_mac_get_digest_size(uint32_t algo, size_t *size); 21 TEE_Result tee_cipher_get_block_size(uint32_t algo, size_t *size); 22 TEE_Result tee_do_cipher_update(void *ctx, uint32_t algo, 23 TEE_OperationMode mode, bool last_block, 24 const uint8_t *data, size_t len, uint8_t *dst); 25 TEE_Result tee_aes_cbc_cts_update(void *cbc_ctx, void *ecb_ctx, 26 TEE_OperationMode mode, bool last_block, 27 const uint8_t *data, size_t len, 28 uint8_t *dst); 29 30 /* 31 * plat_prng_add_jitter_entropy() - Adds jitter to RNG entropy pool 32 * @sid: source ID, normally unique per location of the call 33 * @pnum: pointer where the pool number for this @sid is stored 34 * 35 * Note that the supplied @sid controls (CRYPTO_RNG_SRC_IS_QUICK()) whether 36 * RPC is allowed to be performed or the event just will be queued for later 37 * consumption. 38 */ 39 void plat_prng_add_jitter_entropy(enum crypto_rng_src sid, unsigned int *pnum); 40 41 void plat_rng_init(void); 42 43 #endif 44