1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 */ 5 #ifndef TEE_SVC_CRYP_H 6 #define TEE_SVC_CRYP_H 7 8 #include <tee_api_types.h> 9 #include <utee_types.h> 10 #include <tee/tee_obj.h> 11 12 struct user_ta_ctx; 13 14 TEE_Result syscall_cryp_obj_get_info(unsigned long obj, 15 struct utee_object_info *info); 16 TEE_Result syscall_cryp_obj_restrict_usage(unsigned long obj, 17 unsigned long usage); 18 TEE_Result syscall_cryp_obj_get_attr(unsigned long obj, unsigned long attr_id, 19 void *buffer, uint64_t *size); 20 21 TEE_Result syscall_cryp_obj_alloc(unsigned long obj_type, 22 unsigned long max_key_size, uint32_t *obj); 23 TEE_Result syscall_cryp_obj_close(unsigned long obj); 24 TEE_Result syscall_cryp_obj_reset(unsigned long obj); 25 TEE_Result syscall_cryp_obj_populate(unsigned long obj, 26 struct utee_attribute *attrs, unsigned long attr_count); 27 TEE_Result syscall_cryp_obj_copy(unsigned long dst_obj, 28 unsigned long src_obj); 29 TEE_Result syscall_obj_generate_key(unsigned long obj, unsigned long key_size, 30 const struct utee_attribute *params, 31 unsigned long param_count); 32 33 TEE_Result syscall_cryp_state_alloc(unsigned long algo, unsigned long op_mode, 34 unsigned long key1, unsigned long key2, 35 uint32_t *state); 36 TEE_Result syscall_cryp_state_copy(unsigned long dst, unsigned long src); 37 TEE_Result syscall_cryp_state_free(unsigned long state); 38 void tee_svc_cryp_free_states(struct user_ta_ctx *utc); 39 40 /* iv and iv_len are ignored for hash algorithms */ 41 TEE_Result syscall_hash_init(unsigned long state, const void *iv, 42 size_t iv_len); 43 TEE_Result syscall_hash_update(unsigned long state, const void *chunk, 44 size_t chunk_size); 45 TEE_Result syscall_hash_final(unsigned long state, const void *chunk, 46 size_t chunk_size, void *hash, uint64_t *hash_len); 47 48 TEE_Result syscall_cipher_init(unsigned long state, const void *iv, 49 size_t iv_len); 50 TEE_Result syscall_cipher_update(unsigned long state, const void *src, 51 size_t src_len, void *dest, uint64_t *dest_len); 52 TEE_Result syscall_cipher_final(unsigned long state, const void *src, 53 size_t src_len, void *dest, uint64_t *dest_len); 54 55 TEE_Result syscall_cryp_derive_key(unsigned long state, 56 const struct utee_attribute *params, 57 unsigned long param_count, unsigned long derived_key); 58 59 TEE_Result syscall_cryp_random_number_generate(void *buf, size_t blen); 60 61 TEE_Result syscall_authenc_init(unsigned long state, const void *nonce, 62 size_t nonce_len, size_t tag_len, 63 size_t aad_len, size_t payload_len); 64 TEE_Result syscall_authenc_update_aad(unsigned long state, 65 const void *aad_data, size_t aad_data_len); 66 TEE_Result syscall_authenc_update_payload(unsigned long state, 67 const void *src_data, size_t src_len, void *dest_data, 68 uint64_t *dest_len); 69 TEE_Result syscall_authenc_enc_final(unsigned long state, 70 const void *src_data, size_t src_len, void *dest_data, 71 uint64_t *dest_len, void *tag, uint64_t *tag_len); 72 TEE_Result syscall_authenc_dec_final(unsigned long state, 73 const void *src_data, size_t src_len, void *dest_data, 74 uint64_t *dest_len, const void *tag, size_t tag_len); 75 76 TEE_Result syscall_asymm_operate(unsigned long state, 77 const struct utee_attribute *usr_params, 78 size_t num_params, const void *src_data, 79 size_t src_len, void *dest_data, uint64_t *dest_len); 80 TEE_Result syscall_asymm_verify(unsigned long state, 81 const struct utee_attribute *usr_params, 82 size_t num_params, const void *data, size_t data_len, 83 const void *sig, size_t sig_len); 84 85 TEE_Result tee_obj_set_type(struct tee_obj *o, uint32_t obj_type, 86 size_t max_key_size); 87 88 void tee_obj_attr_free(struct tee_obj *o); 89 void tee_obj_attr_clear(struct tee_obj *o); 90 TEE_Result tee_obj_attr_to_binary(struct tee_obj *o, void *data, 91 size_t *data_len); 92 TEE_Result tee_obj_attr_from_binary(struct tee_obj *o, const void *data, 93 size_t data_len); 94 TEE_Result tee_obj_attr_copy_from(struct tee_obj *o, const struct tee_obj *src); 95 96 #endif /* TEE_SVC_CRYP_H */ 97