1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 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. 14 * 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 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef TEE_SVC_CRYP_H 28 #define TEE_SVC_CRYP_H 29 30 #include <tee_api_types.h> 31 #include <utee_types.h> 32 #include <tee/tee_obj.h> 33 34 struct user_ta_ctx; 35 36 TEE_Result syscall_cryp_obj_get_info(unsigned long obj, TEE_ObjectInfo *info); 37 TEE_Result syscall_cryp_obj_restrict_usage(unsigned long obj, 38 unsigned long usage); 39 TEE_Result syscall_cryp_obj_get_attr(unsigned long obj, unsigned long attr_id, 40 void *buffer, uint64_t *size); 41 42 TEE_Result syscall_cryp_obj_alloc(unsigned long obj_type, 43 unsigned long max_key_size, uint32_t *obj); 44 TEE_Result syscall_cryp_obj_close(unsigned long obj); 45 TEE_Result syscall_cryp_obj_reset(unsigned long obj); 46 TEE_Result syscall_cryp_obj_populate(unsigned long obj, 47 struct utee_attribute *attrs, unsigned long attr_count); 48 TEE_Result syscall_cryp_obj_copy(unsigned long dst_obj, 49 unsigned long src_obj); 50 TEE_Result syscall_obj_generate_key(unsigned long obj, unsigned long key_size, 51 const struct utee_attribute *params, 52 unsigned long param_count); 53 54 TEE_Result syscall_cryp_state_alloc(unsigned long algo, unsigned long op_mode, 55 unsigned long key1, unsigned long key2, 56 uint32_t *state); 57 TEE_Result syscall_cryp_state_copy(unsigned long dst, unsigned long src); 58 TEE_Result syscall_cryp_state_free(unsigned long state); 59 void tee_svc_cryp_free_states(struct user_ta_ctx *utc); 60 61 /* iv and iv_len are ignored for hash algorithms */ 62 TEE_Result syscall_hash_init(unsigned long state, const void *iv, 63 size_t iv_len); 64 TEE_Result syscall_hash_update(unsigned long state, const void *chunk, 65 size_t chunk_size); 66 TEE_Result syscall_hash_final(unsigned long state, const void *chunk, 67 size_t chunk_size, void *hash, uint64_t *hash_len); 68 69 TEE_Result syscall_cipher_init(unsigned long state, const void *iv, 70 size_t iv_len); 71 TEE_Result syscall_cipher_update(unsigned long state, const void *src, 72 size_t src_len, void *dest, uint64_t *dest_len); 73 TEE_Result syscall_cipher_final(unsigned long state, const void *src, 74 size_t src_len, void *dest, uint64_t *dest_len); 75 76 TEE_Result syscall_cryp_derive_key(unsigned long state, 77 const struct utee_attribute *params, 78 unsigned long param_count, unsigned long derived_key); 79 80 TEE_Result syscall_cryp_random_number_generate(void *buf, size_t blen); 81 82 TEE_Result syscall_authenc_init(unsigned long state, const void *nonce, 83 size_t nonce_len, size_t tag_len, 84 size_t aad_len, size_t payload_len); 85 TEE_Result syscall_authenc_update_aad(unsigned long state, 86 const void *aad_data, size_t aad_data_len); 87 TEE_Result syscall_authenc_update_payload(unsigned long state, 88 const void *src_data, size_t src_len, void *dest_data, 89 uint64_t *dest_len); 90 TEE_Result syscall_authenc_enc_final(unsigned long state, 91 const void *src_data, size_t src_len, void *dest_data, 92 uint64_t *dest_len, void *tag, uint64_t *tag_len); 93 TEE_Result syscall_authenc_dec_final(unsigned long state, 94 const void *src_data, size_t src_len, void *dest_data, 95 uint64_t *dest_len, const void *tag, size_t tag_len); 96 97 TEE_Result syscall_asymm_operate(unsigned long state, 98 const struct utee_attribute *usr_params, 99 size_t num_params, const void *src_data, 100 size_t src_len, void *dest_data, uint64_t *dest_len); 101 TEE_Result syscall_asymm_verify(unsigned long state, 102 const struct utee_attribute *usr_params, 103 size_t num_params, const void *data, size_t data_len, 104 const void *sig, size_t sig_len); 105 106 TEE_Result tee_obj_set_type(struct tee_obj *o, uint32_t obj_type, 107 size_t max_key_size); 108 109 void tee_obj_attr_free(struct tee_obj *o); 110 void tee_obj_attr_clear(struct tee_obj *o); 111 TEE_Result tee_obj_attr_to_binary(struct tee_obj *o, void *data, 112 size_t *data_len); 113 TEE_Result tee_obj_attr_from_binary(struct tee_obj *o, const void *data, 114 size_t data_len); 115 TEE_Result tee_obj_attr_copy_from(struct tee_obj *o, const struct tee_obj *src); 116 117 #endif /* TEE_SVC_CRYP_H */ 118