Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 1 | /* |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020, Arm Limited. All rights reserved. |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 8 | #include <stddef.h> |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 9 | #include <stdint.h> |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 10 | |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 11 | /* FixMe: Use PSA_ERROR_CONNECTION_REFUSED when performing parameter |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 12 | * integrity checks but this will have to be revised |
| 13 | * when the full set of error codes mandated by PSA FF |
| 14 | * is available. |
| 15 | */ |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 16 | #include "tfm_mbedcrypto_include.h" |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 17 | |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 18 | #include "tfm_crypto_api.h" |
| 19 | #include "tfm_crypto_defs.h" |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 20 | #include <stdbool.h> |
Jamie Fox | 82b87ca | 2018-12-11 16:41:11 +0000 | [diff] [blame] | 21 | |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 22 | #ifndef TFM_CRYPTO_MAX_KEY_HANDLES |
| 23 | #define TFM_CRYPTO_MAX_KEY_HANDLES (16) |
| 24 | #endif |
| 25 | struct tfm_crypto_handle_owner_s { |
| 26 | int32_t owner; /*!< Owner of the allocated handle */ |
| 27 | psa_key_handle_t handle; /*!< Allocated handle */ |
| 28 | uint8_t in_use; /*!< Flag to indicate if this in use */ |
| 29 | }; |
| 30 | |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 31 | #ifndef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 32 | static struct tfm_crypto_handle_owner_s |
| 33 | handle_owner[TFM_CRYPTO_MAX_KEY_HANDLES] = {0}; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 34 | #endif |
Jamie Fox | dadb4e8 | 2019-09-03 17:59:41 +0100 | [diff] [blame] | 35 | |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 36 | /*! |
| 37 | * \defgroup public Public functions |
| 38 | * |
| 39 | */ |
| 40 | |
| 41 | /*!@{*/ |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 42 | psa_status_t tfm_crypto_check_handle_owner(psa_key_handle_t handle, |
| 43 | uint32_t *index) |
| 44 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 45 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 46 | return PSA_ERROR_NOT_SUPPORTED; |
| 47 | #else |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 48 | int32_t partition_id = 0; |
| 49 | uint32_t i = 0; |
| 50 | psa_status_t status; |
| 51 | |
| 52 | status = tfm_crypto_get_caller_id(&partition_id); |
| 53 | if (status != PSA_SUCCESS) { |
| 54 | return status; |
| 55 | } |
| 56 | |
| 57 | for (i = 0; i < TFM_CRYPTO_MAX_KEY_HANDLES; i++) { |
| 58 | if (handle_owner[i].in_use && handle_owner[i].handle == handle) { |
| 59 | if (handle_owner[i].owner == partition_id) { |
| 60 | if (index != NULL) { |
| 61 | *index = i; |
| 62 | } |
| 63 | return PSA_SUCCESS; |
| 64 | } else { |
| 65 | return PSA_ERROR_NOT_PERMITTED; |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | return PSA_ERROR_INVALID_HANDLE; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 71 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 72 | } |
| 73 | |
Jamie Fox | 99360e8 | 2020-02-20 16:00:09 +0000 | [diff] [blame^] | 74 | psa_status_t tfm_crypto_check_key_storage(uint32_t *index) |
| 75 | { |
| 76 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
| 77 | return PSA_ERROR_NOT_SUPPORTED; |
| 78 | #else |
| 79 | uint32_t i; |
| 80 | |
| 81 | for (i = 0; i < TFM_CRYPTO_MAX_KEY_HANDLES; i++) { |
| 82 | if (handle_owner[i].in_use == TFM_CRYPTO_NOT_IN_USE) { |
| 83 | *index = i; |
| 84 | return PSA_SUCCESS; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | return PSA_ERROR_INSUFFICIENT_MEMORY; |
| 89 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 90 | } |
| 91 | |
| 92 | psa_status_t tfm_crypto_set_key_storage(uint32_t index, |
| 93 | psa_key_handle_t key_handle) |
| 94 | { |
| 95 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
| 96 | return PSA_ERROR_NOT_SUPPORTED; |
| 97 | #else |
| 98 | psa_status_t status; |
| 99 | int32_t partition_id; |
| 100 | |
| 101 | status = tfm_crypto_get_caller_id(&partition_id); |
| 102 | if (status != PSA_SUCCESS) { |
| 103 | return status; |
| 104 | } |
| 105 | |
| 106 | handle_owner[index].owner = partition_id; |
| 107 | handle_owner[index].handle = key_handle; |
| 108 | handle_owner[index].in_use = TFM_CRYPTO_IN_USE; |
| 109 | |
| 110 | return PSA_SUCCESS; |
| 111 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 112 | } |
| 113 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 114 | psa_status_t tfm_crypto_set_key_domain_parameters(psa_invec in_vec[], |
| 115 | size_t in_len, |
| 116 | psa_outvec out_vec[], |
| 117 | size_t out_len) |
Antonio de Angelis | cf85ba2 | 2018-10-09 13:29:40 +0100 | [diff] [blame] | 118 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 119 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 120 | return PSA_ERROR_NOT_SUPPORTED; |
| 121 | #else |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 122 | /* FixMe: To be implemented */ |
| 123 | return PSA_ERROR_NOT_SUPPORTED; |
| 124 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 125 | } |
| 126 | |
| 127 | psa_status_t tfm_crypto_get_key_domain_parameters(psa_invec in_vec[], |
| 128 | size_t in_len, |
| 129 | psa_outvec out_vec[], |
| 130 | size_t out_len) |
| 131 | { |
| 132 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
| 133 | return PSA_ERROR_NOT_SUPPORTED; |
| 134 | #else |
| 135 | /* FixMe: To be implemented */ |
| 136 | return PSA_ERROR_NOT_SUPPORTED; |
| 137 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 138 | } |
| 139 | |
| 140 | psa_status_t tfm_crypto_import_key(psa_invec in_vec[], |
| 141 | size_t in_len, |
| 142 | psa_outvec out_vec[], |
| 143 | size_t out_len) |
| 144 | { |
| 145 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
| 146 | return PSA_ERROR_NOT_SUPPORTED; |
| 147 | #else |
| 148 | |
| 149 | if ((in_len != 3) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 150 | return PSA_ERROR_CONNECTION_REFUSED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 151 | } |
| 152 | |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 153 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 154 | (in_vec[1].len != sizeof(psa_key_attributes_t)) || |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 155 | (out_vec[0].len != sizeof(psa_key_handle_t))) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 156 | return PSA_ERROR_CONNECTION_REFUSED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 157 | } |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 158 | const psa_key_attributes_t *key_attributes = in_vec[1].base; |
| 159 | const uint8_t *data = in_vec[2].base; |
| 160 | size_t data_length = in_vec[2].len; |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 161 | psa_key_handle_t *key_handle = out_vec[0].base; |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 162 | psa_status_t status; |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 163 | uint32_t i = 0; |
| 164 | int32_t partition_id = 0; |
| 165 | bool empty_found = false; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 166 | |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 167 | for (i = 0; i < TFM_CRYPTO_MAX_KEY_HANDLES; i++) { |
| 168 | if (handle_owner[i].in_use == TFM_CRYPTO_NOT_IN_USE) { |
| 169 | empty_found = true; |
| 170 | break; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | if (!empty_found) { |
| 175 | return PSA_ERROR_INSUFFICIENT_MEMORY; |
| 176 | } |
| 177 | |
| 178 | status = tfm_crypto_get_caller_id(&partition_id); |
| 179 | if (status != PSA_SUCCESS) { |
| 180 | return status; |
| 181 | } |
| 182 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 183 | status = psa_import_key(key_attributes, data, data_length, key_handle); |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 184 | |
| 185 | if (status == PSA_SUCCESS) { |
| 186 | handle_owner[i].owner = partition_id; |
| 187 | handle_owner[i].handle = *key_handle; |
| 188 | handle_owner[i].in_use = TFM_CRYPTO_IN_USE; |
| 189 | } |
| 190 | |
| 191 | return status; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 192 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Jamie Fox | dadb4e8 | 2019-09-03 17:59:41 +0100 | [diff] [blame] | 195 | psa_status_t tfm_crypto_open_key(psa_invec in_vec[], |
| 196 | size_t in_len, |
| 197 | psa_outvec out_vec[], |
| 198 | size_t out_len) |
| 199 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 200 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Jamie Fox | dadb4e8 | 2019-09-03 17:59:41 +0100 | [diff] [blame] | 201 | return PSA_ERROR_NOT_SUPPORTED; |
| 202 | #else |
| 203 | if ((in_len != 2) || (out_len != 1)) { |
| 204 | return PSA_ERROR_CONNECTION_REFUSED; |
| 205 | } |
| 206 | |
| 207 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
| 208 | (in_vec[1].len != sizeof(psa_key_id_t)) || |
| 209 | (out_vec[0].len != sizeof(psa_key_handle_t))) { |
| 210 | return PSA_ERROR_CONNECTION_REFUSED; |
| 211 | } |
| 212 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 213 | return PSA_ERROR_NOT_SUPPORTED; |
Jamie Fox | dadb4e8 | 2019-09-03 17:59:41 +0100 | [diff] [blame] | 214 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 215 | } |
| 216 | |
| 217 | psa_status_t tfm_crypto_close_key(psa_invec in_vec[], |
| 218 | size_t in_len, |
| 219 | psa_outvec out_vec[], |
| 220 | size_t out_len) |
| 221 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 222 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Jamie Fox | dadb4e8 | 2019-09-03 17:59:41 +0100 | [diff] [blame] | 223 | return PSA_ERROR_NOT_SUPPORTED; |
| 224 | #else |
| 225 | (void)out_vec; |
| 226 | |
| 227 | if ((in_len != 1) || (out_len != 0)) { |
| 228 | return PSA_ERROR_CONNECTION_REFUSED; |
| 229 | } |
| 230 | |
| 231 | if (in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) { |
| 232 | return PSA_ERROR_CONNECTION_REFUSED; |
| 233 | } |
| 234 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
| 235 | |
| 236 | psa_key_handle_t key = iov->key_handle; |
| 237 | uint32_t index; |
| 238 | psa_status_t status = tfm_crypto_check_handle_owner(key, &index); |
| 239 | |
| 240 | if (status != PSA_SUCCESS) { |
| 241 | return status; |
| 242 | } |
| 243 | |
| 244 | status = psa_close_key(key); |
| 245 | |
| 246 | if (status == PSA_SUCCESS) { |
| 247 | handle_owner[index].owner = 0; |
| 248 | handle_owner[index].handle = 0; |
| 249 | handle_owner[index].in_use = TFM_CRYPTO_NOT_IN_USE; |
| 250 | } |
| 251 | |
| 252 | return status; |
| 253 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 254 | } |
| 255 | |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 256 | psa_status_t tfm_crypto_destroy_key(psa_invec in_vec[], |
| 257 | size_t in_len, |
| 258 | psa_outvec out_vec[], |
| 259 | size_t out_len) |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 260 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 261 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 262 | return PSA_ERROR_NOT_SUPPORTED; |
| 263 | #else |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 264 | (void)out_vec; |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 265 | |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 266 | if ((in_len != 1) || (out_len != 0)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 267 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 268 | } |
| 269 | |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 270 | if (in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 271 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 272 | } |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 273 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 274 | |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 275 | psa_key_handle_t key = iov->key_handle; |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 276 | uint32_t index; |
| 277 | psa_status_t status = tfm_crypto_check_handle_owner(key, &index); |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 278 | |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 279 | if (status != PSA_SUCCESS) { |
| 280 | return status; |
| 281 | } |
| 282 | |
| 283 | status = psa_destroy_key(key); |
| 284 | |
| 285 | if (status == PSA_SUCCESS) { |
| 286 | handle_owner[index].owner = 0; |
| 287 | handle_owner[index].handle = 0; |
| 288 | handle_owner[index].in_use = TFM_CRYPTO_NOT_IN_USE; |
| 289 | } |
| 290 | |
| 291 | return status; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 292 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 293 | } |
| 294 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 295 | psa_status_t tfm_crypto_get_key_attributes(psa_invec in_vec[], |
| 296 | size_t in_len, |
| 297 | psa_outvec out_vec[], |
| 298 | size_t out_len) |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 299 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 300 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 301 | return PSA_ERROR_NOT_SUPPORTED; |
| 302 | #else |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 303 | if ((in_len != 1) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 304 | return PSA_ERROR_CONNECTION_REFUSED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 305 | } |
| 306 | |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 307 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 308 | (out_vec[0].len != sizeof(psa_key_attributes_t))) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 309 | return PSA_ERROR_CONNECTION_REFUSED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 310 | } |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 311 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 312 | |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 313 | psa_key_handle_t key = iov->key_handle; |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 314 | psa_key_attributes_t *key_attributes = out_vec[0].base; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 315 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 316 | return psa_get_key_attributes(key, key_attributes); |
| 317 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
| 318 | } |
| 319 | |
| 320 | psa_status_t tfm_crypto_reset_key_attributes(psa_invec in_vec[], |
| 321 | size_t in_len, |
| 322 | psa_outvec out_vec[], |
| 323 | size_t out_len) |
| 324 | { |
| 325 | #if (TFM_CRYPTO_KEY_MODULE_DISABLED != 0) |
| 326 | return PSA_ERROR_NOT_SUPPORTED; |
| 327 | #else |
| 328 | if ((in_len != 1) || (out_len != 1)) { |
| 329 | return PSA_ERROR_CONNECTION_REFUSED; |
| 330 | } |
| 331 | |
| 332 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
| 333 | (out_vec[0].len != sizeof(psa_key_attributes_t))) { |
| 334 | return PSA_ERROR_CONNECTION_REFUSED; |
| 335 | } |
| 336 | |
| 337 | psa_key_attributes_t *key_attributes = out_vec[0].base; |
| 338 | |
| 339 | psa_reset_key_attributes(key_attributes); |
| 340 | |
| 341 | /* psa_reset_key_attributes() doesn't report any error */ |
| 342 | return PSA_SUCCESS; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 343 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 344 | } |
| 345 | |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 346 | psa_status_t tfm_crypto_export_key(psa_invec in_vec[], |
| 347 | size_t in_len, |
| 348 | psa_outvec out_vec[], |
| 349 | size_t out_len) |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 350 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 351 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 352 | return PSA_ERROR_NOT_SUPPORTED; |
| 353 | #else |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 354 | if ((in_len != 1) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 355 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 356 | } |
| 357 | |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 358 | if (in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 359 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 360 | } |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 361 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 362 | |
Jamie Fox | 0e54ebc | 2019-04-09 14:21:04 +0100 | [diff] [blame] | 363 | psa_key_handle_t key = iov->key_handle; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 364 | uint8_t *data = out_vec[0].base; |
| 365 | size_t data_size = out_vec[0].len; |
| 366 | |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 367 | return psa_export_key(key, data, data_size, &(out_vec[0].len)); |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 368 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 369 | } |
| 370 | |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 371 | psa_status_t tfm_crypto_export_public_key(psa_invec in_vec[], |
| 372 | size_t in_len, |
| 373 | psa_outvec out_vec[], |
| 374 | size_t out_len) |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 375 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 376 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 377 | return PSA_ERROR_NOT_SUPPORTED; |
| 378 | #else |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 379 | if ((in_len != 1) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 380 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 381 | } |
Hugues de Valon | 8b44244 | 2019-02-19 14:30:52 +0000 | [diff] [blame] | 382 | |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 383 | if (in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 384 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 385 | } |
| 386 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
| 387 | |
| 388 | psa_key_handle_t key = iov->key_handle; |
| 389 | uint8_t *data = out_vec[0].base; |
| 390 | size_t data_size = out_vec[0].len; |
| 391 | |
| 392 | return psa_export_public_key(key, data, data_size, &(out_vec[0].len)); |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 393 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | psa_status_t tfm_crypto_copy_key(psa_invec in_vec[], |
| 397 | size_t in_len, |
| 398 | psa_outvec out_vec[], |
| 399 | size_t out_len) |
| 400 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 401 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 402 | return PSA_ERROR_NOT_SUPPORTED; |
| 403 | #else |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 404 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 405 | if ((in_len != 2) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 406 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 410 | (out_vec[0].len != sizeof(psa_key_handle_t)) || |
| 411 | (in_vec[1].len != sizeof(psa_key_attributes_t))) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 412 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 413 | } |
| 414 | const struct tfm_crypto_pack_iovec *iov = in_vec[0].base; |
| 415 | |
| 416 | psa_key_handle_t source_handle = iov->key_handle; |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 417 | psa_key_handle_t *target_handle = out_vec[0].base; |
| 418 | const psa_key_attributes_t *key_attributes = in_vec[1].base; |
| 419 | psa_status_t status; |
| 420 | uint32_t i = 0; |
| 421 | int32_t partition_id = 0; |
| 422 | bool empty_found = false; |
Antonio de Angelis | 25e2b2d | 2019-04-25 14:49:50 +0100 | [diff] [blame] | 423 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 424 | for (i = 0; i < TFM_CRYPTO_MAX_KEY_HANDLES; i++) { |
| 425 | if (handle_owner[i].in_use == TFM_CRYPTO_NOT_IN_USE) { |
| 426 | empty_found = true; |
| 427 | break; |
| 428 | } |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 429 | } |
| 430 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 431 | if (!empty_found) { |
| 432 | return PSA_ERROR_INSUFFICIENT_MEMORY; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 433 | } |
| 434 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 435 | status = tfm_crypto_get_caller_id(&partition_id); |
| 436 | if (status != PSA_SUCCESS) { |
Antonio de Angelis | 60a6fe6 | 2019-06-18 15:27:34 +0100 | [diff] [blame] | 437 | return status; |
| 438 | } |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 439 | |
| 440 | status = psa_copy_key(source_handle, key_attributes, target_handle); |
| 441 | |
| 442 | if (status == PSA_SUCCESS) { |
| 443 | handle_owner[i].owner = partition_id; |
| 444 | handle_owner[i].handle = *target_handle; |
| 445 | handle_owner[i].in_use = TFM_CRYPTO_IN_USE; |
| 446 | } |
| 447 | |
| 448 | return status; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 449 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 450 | return PSA_ERROR_NOT_SUPPORTED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 451 | } |
| 452 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 453 | psa_status_t tfm_crypto_generate_key(psa_invec in_vec[], |
| 454 | size_t in_len, |
| 455 | psa_outvec out_vec[], |
| 456 | size_t out_len) |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 457 | { |
Kevin Peng | 96f802e | 2019-12-26 16:10:25 +0800 | [diff] [blame] | 458 | #ifdef TFM_CRYPTO_KEY_MODULE_DISABLED |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 459 | return PSA_ERROR_NOT_SUPPORTED; |
| 460 | #else |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 461 | if ((in_len != 2) || (out_len != 1)) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 462 | return PSA_ERROR_CONNECTION_REFUSED; |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 463 | } |
| 464 | |
Antonio de Angelis | 4743e67 | 2019-04-11 11:38:48 +0100 | [diff] [blame] | 465 | if ((in_vec[0].len != sizeof(struct tfm_crypto_pack_iovec)) || |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 466 | (in_vec[1].len != sizeof(psa_key_attributes_t)) || |
| 467 | (out_vec[0].len != sizeof(psa_key_handle_t))) { |
Summer Qin | 4b1d03b | 2019-07-02 14:56:08 +0800 | [diff] [blame] | 468 | return PSA_ERROR_CONNECTION_REFUSED; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 469 | } |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 470 | psa_key_handle_t *key_handle = out_vec[0].base; |
| 471 | const psa_key_attributes_t *key_attributes = in_vec[1].base; |
| 472 | psa_status_t status; |
| 473 | uint32_t i = 0; |
| 474 | int32_t partition_id = 0; |
| 475 | bool empty_found = false; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 476 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 477 | for (i = 0; i < TFM_CRYPTO_MAX_KEY_HANDLES; i++) { |
| 478 | if (handle_owner[i].in_use == TFM_CRYPTO_NOT_IN_USE) { |
| 479 | empty_found = true; |
| 480 | break; |
| 481 | } |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 482 | } |
| 483 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 484 | if (!empty_found) { |
| 485 | return PSA_ERROR_INSUFFICIENT_MEMORY; |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 486 | } |
| 487 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 488 | status = tfm_crypto_get_caller_id(&partition_id); |
| 489 | if (status != PSA_SUCCESS) { |
| 490 | return status; |
| 491 | } |
Antonio de Angelis | ab85ccd | 2019-03-25 15:14:29 +0000 | [diff] [blame] | 492 | |
Antonio de Angelis | 04debbd | 2019-10-14 12:12:52 +0100 | [diff] [blame] | 493 | status = psa_generate_key(key_attributes, key_handle); |
| 494 | |
| 495 | if (status == PSA_SUCCESS) { |
| 496 | handle_owner[i].owner = partition_id; |
| 497 | handle_owner[i].handle = *key_handle; |
| 498 | handle_owner[i].in_use = TFM_CRYPTO_IN_USE; |
| 499 | } |
| 500 | |
| 501 | return status; |
Antonio de Angelis | 7740b38 | 2019-07-16 10:59:25 +0100 | [diff] [blame] | 502 | #endif /* TFM_CRYPTO_KEY_MODULE_DISABLED */ |
Jamie Fox | efd8273 | 2018-11-26 10:34:32 +0000 | [diff] [blame] | 503 | } |
Antonio de Angelis | 8908f47 | 2018-08-31 15:44:25 +0100 | [diff] [blame] | 504 | /*!@}*/ |