Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you |
| 5 | * may not use this file except in compliance with the License. You may |
| 6 | * obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| 13 | * implied. See the License for the specific language governing |
| 14 | * permissions and limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <errno.h> |
| 18 | #include <string.h> |
| 19 | #include <stdint.h> |
| 20 | |
| 21 | #include <hardware/hardware.h> |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 22 | #include <hardware/keymaster0.h> |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 23 | |
| 24 | #include <openssl/evp.h> |
| 25 | #include <openssl/bio.h> |
| 26 | #include <openssl/rsa.h> |
| 27 | #include <openssl/err.h> |
| 28 | #include <openssl/x509.h> |
| 29 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 30 | #include <linux/ioctl.h> |
| 31 | #include <linux/msm_ion.h> |
| 32 | #include <sys/mman.h> |
| 33 | |
| 34 | #include <stdio.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <stddef.h> |
| 37 | #include <unistd.h> |
| 38 | #include <dirent.h> |
| 39 | #include <fcntl.h> |
| 40 | |
| 41 | #include <sys/types.h> |
| 42 | #include <sys/stat.h> |
| 43 | #include <dlfcn.h> |
| 44 | |
Kenny Root | e4b2550 | 2013-09-11 14:43:06 -0700 | [diff] [blame] | 45 | #include <UniquePtr.h> |
Jyoti Wadhwani | 79fc660 | 2015-01-14 15:59:33 -0800 | [diff] [blame] | 46 | #include <cutils/properties.h> |
Kenny Root | e4b2550 | 2013-09-11 14:43:06 -0700 | [diff] [blame] | 47 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 48 | #include "QSEEComAPI.h" |
| 49 | #include "keymaster_qcom.h" |
| 50 | |
| 51 | // For debugging |
| 52 | //#define LOG_NDEBUG 0 |
| 53 | |
| 54 | #define LOG_TAG "QCOMKeyMaster" |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 55 | #define UNUSED(x) (void)(x) |
| 56 | #define KM_SB_LENGTH (4096 * 2) |
Jyoti Wadhwani | 79fc660 | 2015-01-14 15:59:33 -0800 | [diff] [blame] | 57 | #define MAX_PROPERTY_GET_ATTEMPTS 60 |
| 58 | #define PROPERTY_GET_SLEEP_INTERVAL 1 |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 59 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 60 | #include <cutils/log.h> |
| 61 | struct qcom_km_ion_info_t { |
| 62 | int32_t ion_fd; |
| 63 | int32_t ifd_data_fd; |
| 64 | struct ion_handle_data ion_alloc_handle; |
| 65 | unsigned char * ion_sbuffer; |
| 66 | uint32_t sbuf_len; |
| 67 | }; |
| 68 | |
| 69 | struct qcom_keymaster_handle { |
| 70 | struct QSEECom_handle *qseecom; |
| 71 | void *libhandle; |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 72 | int (*QSEECom_start_app)(struct QSEECom_handle ** handle, const char* path, |
| 73 | const char* appname, uint32_t size); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 74 | int (*QSEECom_shutdown_app)(struct QSEECom_handle **handle); |
| 75 | int (*QSEECom_send_cmd)(struct QSEECom_handle* handle, void *cbuf, |
| 76 | uint32_t clen, void *rbuf, uint32_t rlen); |
| 77 | int (*QSEECom_send_modified_cmd)(struct QSEECom_handle* handle, void *cbuf, |
| 78 | uint32_t clen, void *rbuf, uint32_t rlen, |
| 79 | struct QSEECom_ion_fd_info *ihandle); |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 80 | int (*QSEECom_set_bandwidth)(struct QSEECom_handle* handle, bool high); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 81 | }; |
| 82 | typedef struct qcom_keymaster_handle qcom_keymaster_handle_t; |
| 83 | |
| 84 | struct EVP_PKEY_Delete { |
| 85 | void operator()(EVP_PKEY* p) const { |
| 86 | EVP_PKEY_free(p); |
| 87 | } |
| 88 | }; |
| 89 | typedef UniquePtr<EVP_PKEY, EVP_PKEY_Delete> Unique_EVP_PKEY; |
| 90 | |
| 91 | struct RSA_Delete { |
| 92 | void operator()(RSA* p) const { |
| 93 | RSA_free(p); |
| 94 | } |
| 95 | }; |
| 96 | typedef UniquePtr<RSA, RSA_Delete> Unique_RSA; |
| 97 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 98 | typedef UniquePtr<keymaster0_device_t> Unique_keymaster_device_t; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 99 | |
| 100 | /** |
| 101 | * Many OpenSSL APIs take ownership of an argument on success but don't free the argument |
| 102 | * on failure. This means we need to tell our scoped pointers when we've transferred ownership, |
| 103 | * without triggering a warning by not using the result of release(). |
| 104 | */ |
| 105 | #define OWNERSHIP_TRANSFERRED(obj) \ |
| 106 | typeof (obj.release()) _dummy __attribute__((unused)) = obj.release() |
| 107 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 108 | static int qcom_km_get_keypair_public(const keymaster0_device* dev, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 109 | const uint8_t* keyBlob, const size_t keyBlobLength, |
| 110 | uint8_t** x509_data, size_t* x509_data_length) { |
| 111 | |
| 112 | struct qcom_km_key_blob * keyblob_ptr = (struct qcom_km_key_blob *)keyBlob; |
| 113 | |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 114 | UNUSED(dev); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 115 | if (x509_data == NULL || x509_data_length == NULL) { |
| 116 | ALOGE("Output public key buffer == NULL"); |
| 117 | return -1; |
| 118 | } |
| 119 | |
| 120 | if (keyBlob == NULL) { |
| 121 | ALOGE("Supplied key blob was NULL"); |
| 122 | return -1; |
| 123 | } |
| 124 | |
| 125 | // Should be large enough for keyblob data: |
| 126 | if (keyBlobLength < (sizeof(qcom_km_key_blob_t))) { |
| 127 | ALOGE("key blob appears to be truncated"); |
| 128 | return -1; |
| 129 | } |
| 130 | |
| 131 | if (keyblob_ptr->magic_num != KM_MAGIC_NUM) { |
| 132 | ALOGE("Cannot read key; it was not made by this keymaster"); |
| 133 | return -1; |
| 134 | } |
| 135 | |
| 136 | if (keyblob_ptr->public_exponent_size == 0 ) { |
| 137 | ALOGE("Key blob appears to have incorrect exponent length"); |
| 138 | return -1; |
| 139 | } |
| 140 | if (keyblob_ptr->modulus_size == 0 ) { |
| 141 | ALOGE("Key blob appears to have incorrect modulus length"); |
| 142 | return -1; |
| 143 | } |
| 144 | |
| 145 | Unique_RSA rsa(RSA_new()); |
| 146 | if (rsa.get() == NULL) { |
| 147 | ALOGE("Could not allocate RSA structure"); |
| 148 | return -1; |
| 149 | } |
| 150 | |
| 151 | rsa->n = BN_bin2bn(reinterpret_cast<const unsigned char*>(keyblob_ptr->modulus), |
| 152 | keyblob_ptr->modulus_size, NULL); |
| 153 | if (rsa->n == NULL) { |
| 154 | ALOGE("Failed to initialize modulus"); |
| 155 | return -1; |
| 156 | } |
| 157 | |
| 158 | rsa->e = BN_bin2bn(reinterpret_cast<const unsigned char*>(&keyblob_ptr->public_exponent), |
| 159 | keyblob_ptr->public_exponent_size, NULL); |
| 160 | if (rsa->e == NULL) { |
| 161 | ALOGE("Failed to initialize public exponent"); |
| 162 | return -1; |
| 163 | } |
| 164 | |
| 165 | Unique_EVP_PKEY pkey(EVP_PKEY_new()); |
| 166 | if (pkey.get() == NULL) { |
| 167 | ALOGE("Could not allocate EVP_PKEY structure"); |
| 168 | return -1; |
| 169 | } |
| 170 | if (EVP_PKEY_assign_RSA(pkey.get(), rsa.get()) != 1) { |
| 171 | ALOGE("Failed to assign rsa parameters \n"); |
| 172 | return -1; |
| 173 | } |
| 174 | OWNERSHIP_TRANSFERRED(rsa); |
| 175 | |
| 176 | int len = i2d_PUBKEY(pkey.get(), NULL); |
| 177 | if (len <= 0) { |
| 178 | ALOGE("Len returned is < 0 len = %d", len); |
| 179 | return -1; |
| 180 | } |
| 181 | |
| 182 | UniquePtr<uint8_t> key(static_cast<uint8_t*>(malloc(len))); |
| 183 | if (key.get() == NULL) { |
| 184 | ALOGE("Could not allocate memory for public key data"); |
| 185 | return -1; |
| 186 | } |
| 187 | |
| 188 | unsigned char* tmp = reinterpret_cast<unsigned char*>(key.get()); |
| 189 | if (i2d_PUBKEY(pkey.get(), &tmp) != len) { |
| 190 | ALOGE("Len 2 returned is < 0 len = %d", len); |
| 191 | return -1; |
| 192 | } |
| 193 | *x509_data_length = len; |
| 194 | *x509_data = key.release(); |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static int32_t qcom_km_ION_memalloc(struct qcom_km_ion_info_t *handle, |
| 200 | uint32_t size) |
| 201 | { |
| 202 | int32_t ret = 0; |
| 203 | int32_t iret = 0; |
| 204 | int32_t fd = 0; |
| 205 | unsigned char *v_addr; |
| 206 | struct ion_allocation_data ion_alloc_data; |
| 207 | int32_t ion_fd; |
| 208 | int32_t rc; |
| 209 | struct ion_fd_data ifd_data; |
| 210 | struct ion_handle_data handle_data; |
| 211 | |
| 212 | /* open ION device for memory management |
| 213 | * O_DSYNC -> uncached memory |
| 214 | */ |
| 215 | if(handle == NULL){ |
| 216 | ALOGE("Error:: null handle received"); |
| 217 | return -1; |
| 218 | } |
| 219 | ion_fd = open("/dev/ion", O_RDONLY | O_DSYNC); |
| 220 | if (ion_fd < 0) { |
| 221 | ALOGE("Error::Cannot open ION device"); |
| 222 | return -1; |
| 223 | } |
| 224 | handle->ion_sbuffer = NULL; |
| 225 | handle->ifd_data_fd = 0; |
| 226 | |
| 227 | /* Size of allocation */ |
| 228 | ion_alloc_data.len = (size + 4095) & (~4095); |
| 229 | |
| 230 | /* 4K aligned */ |
| 231 | ion_alloc_data.align = 4096; |
| 232 | |
| 233 | /* memory is allocated from EBI heap */ |
Naveen Ramaraj | df89f27 | 2014-06-03 11:28:00 -0700 | [diff] [blame] | 234 | ion_alloc_data.ION_HEAP_MASK = ION_HEAP(ION_QSECOM_HEAP_ID); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 235 | |
| 236 | /* Set the memory to be uncached */ |
Ajay Dudani | 0cd599c | 2013-04-22 15:10:32 -0700 | [diff] [blame] | 237 | ion_alloc_data.flags = 0; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 238 | |
| 239 | /* IOCTL call to ION for memory request */ |
| 240 | rc = ioctl(ion_fd, ION_IOC_ALLOC, &ion_alloc_data); |
| 241 | if (rc) { |
| 242 | ret = -1; |
| 243 | goto alloc_fail; |
| 244 | } |
| 245 | |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 246 | if (ion_alloc_data.handle) { |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 247 | ifd_data.handle = ion_alloc_data.handle; |
| 248 | } else { |
| 249 | ret = -1; |
| 250 | goto alloc_fail; |
| 251 | } |
| 252 | /* Call MAP ioctl to retrieve the ifd_data.fd file descriptor */ |
| 253 | rc = ioctl(ion_fd, ION_IOC_MAP, &ifd_data); |
| 254 | if (rc) { |
| 255 | ret = -1; |
| 256 | goto ioctl_fail; |
| 257 | } |
| 258 | |
| 259 | /* Make the ion mmap call */ |
| 260 | v_addr = (unsigned char *)mmap(NULL, ion_alloc_data.len, |
| 261 | PROT_READ | PROT_WRITE, |
| 262 | MAP_SHARED, ifd_data.fd, 0); |
| 263 | if (v_addr == MAP_FAILED) { |
| 264 | ALOGE("Error::ION MMAP failed"); |
| 265 | ret = -1; |
| 266 | goto map_fail; |
| 267 | } |
| 268 | handle->ion_fd = ion_fd; |
| 269 | handle->ifd_data_fd = ifd_data.fd; |
| 270 | handle->ion_sbuffer = v_addr; |
| 271 | handle->ion_alloc_handle.handle = ion_alloc_data.handle; |
| 272 | handle->sbuf_len = size; |
| 273 | return ret; |
| 274 | |
| 275 | map_fail: |
| 276 | if (handle->ion_sbuffer != NULL) { |
| 277 | iret = munmap(handle->ion_sbuffer, ion_alloc_data.len); |
| 278 | if (iret) |
| 279 | ALOGE("Error::Failed to unmap memory for load image. ret = %d", ret); |
| 280 | } |
| 281 | |
| 282 | ioctl_fail: |
| 283 | handle_data.handle = ion_alloc_data.handle; |
| 284 | if (handle->ifd_data_fd) |
| 285 | close(handle->ifd_data_fd); |
| 286 | iret = ioctl(ion_fd, ION_IOC_FREE, &handle_data); |
| 287 | if (iret) { |
| 288 | ALOGE("Error::ION FREE ioctl returned error = %d",iret); |
| 289 | } |
| 290 | |
| 291 | alloc_fail: |
| 292 | if (ion_fd > 0) |
| 293 | close(ion_fd); |
| 294 | return ret; |
| 295 | } |
| 296 | |
| 297 | /** @brief: Deallocate ION memory |
| 298 | * |
| 299 | * |
| 300 | */ |
| 301 | static int32_t qcom_km_ion_dealloc(struct qcom_km_ion_info_t *handle) |
| 302 | { |
| 303 | struct ion_handle_data handle_data; |
| 304 | int32_t ret = 0; |
| 305 | |
| 306 | /* Deallocate the memory for the listener */ |
| 307 | ret = munmap(handle->ion_sbuffer, (handle->sbuf_len + 4095) & (~4095)); |
| 308 | if (ret) { |
| 309 | ALOGE("Error::Unmapping ION Buffer failed with ret = %d", ret); |
| 310 | } |
| 311 | |
| 312 | handle_data.handle = handle->ion_alloc_handle.handle; |
| 313 | close(handle->ifd_data_fd); |
| 314 | ret = ioctl(handle->ion_fd, ION_IOC_FREE, &handle_data); |
| 315 | if (ret) { |
| 316 | ALOGE("Error::ION Memory FREE ioctl failed with ret = %d", ret); |
| 317 | } |
| 318 | close(handle->ion_fd); |
| 319 | return ret; |
| 320 | } |
| 321 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 322 | static int qcom_km_generate_keypair(const keymaster0_device_t* dev, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 323 | const keymaster_keypair_t key_type, const void* key_params, |
| 324 | uint8_t** keyBlob, size_t* keyBlobLength) { |
| 325 | |
| 326 | if (dev->context == NULL) { |
| 327 | ALOGE("qcom_km_generate_keypair: Context == NULL"); |
| 328 | return -1; |
| 329 | } |
| 330 | |
| 331 | if (key_type != TYPE_RSA) { |
| 332 | ALOGE("Unsupported key type %d", key_type); |
| 333 | return -1; |
| 334 | } else if (key_params == NULL) { |
| 335 | ALOGE("key_params == null"); |
| 336 | return -1; |
| 337 | } |
| 338 | if (keyBlob == NULL || keyBlobLength == NULL) { |
| 339 | ALOGE("output key blob or length == NULL"); |
| 340 | return -1; |
| 341 | } |
| 342 | keymaster_rsa_keygen_params_t* rsa_params = (keymaster_rsa_keygen_params_t*) key_params; |
| 343 | |
| 344 | keymaster_gen_keypair_cmd_t *send_cmd = NULL; |
| 345 | keymaster_gen_keypair_resp_t *resp = NULL; |
| 346 | struct QSEECom_handle *handle = NULL; |
| 347 | struct qcom_keymaster_handle *km_handle =(struct qcom_keymaster_handle *)dev->context; |
| 348 | int ret = 0; |
| 349 | |
| 350 | handle = (struct QSEECom_handle *)(km_handle->qseecom); |
| 351 | send_cmd = (keymaster_gen_keypair_cmd_t *)handle->ion_sbuffer; |
| 352 | resp = (keymaster_gen_keypair_resp_t *)(handle->ion_sbuffer + |
| 353 | QSEECOM_ALIGN(sizeof(keymaster_gen_keypair_cmd_t))); |
| 354 | send_cmd->cmd_id = KEYMASTER_GENERATE_KEYPAIR; |
| 355 | send_cmd->key_type = key_type; |
| 356 | send_cmd->rsa_params.modulus_size = rsa_params->modulus_size; |
| 357 | send_cmd->rsa_params.public_exponent = rsa_params->public_exponent; |
| 358 | resp->status = KEYMASTER_FAILURE; |
| 359 | resp->key_blob_len = sizeof(qcom_km_key_blob_t); |
| 360 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 361 | ret = (*km_handle->QSEECom_set_bandwidth)(handle, true); |
| 362 | if (ret < 0) { |
| 363 | ALOGE("Generate key command failed (unable to enable clks) ret =%d", ret); |
| 364 | return -1; |
| 365 | } |
| 366 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 367 | ret = (*km_handle->QSEECom_send_cmd)(handle, send_cmd, |
| 368 | QSEECOM_ALIGN(sizeof(keymaster_gen_keypair_cmd_t)), resp, |
| 369 | QSEECOM_ALIGN(sizeof(keymaster_gen_keypair_resp_t))); |
| 370 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 371 | if((*km_handle->QSEECom_set_bandwidth)(handle, false)) |
| 372 | ALOGE("Import key command: (unable to disable clks)"); |
| 373 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 374 | if ( (ret < 0) || (resp->status < 0)) { |
| 375 | ALOGE("Generate key command failed resp->status = %d ret =%d", resp->status, ret); |
| 376 | return -1; |
| 377 | } else { |
| 378 | UniquePtr<unsigned char[]> keydata(new unsigned char[resp->key_blob_len]); |
| 379 | if (keydata.get() == NULL) { |
| 380 | ALOGE("could not allocate memory for key blob"); |
| 381 | return -1; |
| 382 | } |
| 383 | unsigned char* p = keydata.get(); |
| 384 | memcpy(p, (unsigned char *)(&resp->key_blob), resp->key_blob_len); |
| 385 | *keyBlob = keydata.release(); |
| 386 | *keyBlobLength = resp->key_blob_len; |
| 387 | } |
| 388 | return 0; |
| 389 | } |
| 390 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 391 | static int qcom_km_import_keypair(const keymaster0_device_t* dev, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 392 | const uint8_t* key, const size_t key_length, |
| 393 | uint8_t** keyBlob, size_t* keyBlobLength) |
| 394 | { |
| 395 | if (dev->context == NULL) { |
| 396 | ALOGE("qcom_km_import_keypair: Context == NULL"); |
| 397 | return -1; |
| 398 | } |
| 399 | |
| 400 | if (key == NULL) { |
| 401 | ALOGE("Input key == NULL"); |
| 402 | return -1; |
| 403 | } else if (keyBlob == NULL || keyBlobLength == NULL) { |
| 404 | ALOGE("Output key blob or length == NULL"); |
| 405 | return -1; |
| 406 | } |
| 407 | |
| 408 | struct QSEECom_ion_fd_info ion_fd_info; |
| 409 | struct qcom_km_ion_info_t ihandle; |
| 410 | int ret = 0; |
| 411 | |
| 412 | ihandle.ion_fd = 0; |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 413 | ihandle.ion_alloc_handle.handle = 0; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 414 | if (qcom_km_ION_memalloc(&ihandle, QSEECOM_ALIGN(key_length)) < 0) { |
| 415 | ALOGE("ION allocation failed"); |
| 416 | return -1; |
| 417 | } |
| 418 | memset(&ion_fd_info, 0, sizeof(struct QSEECom_ion_fd_info)); |
| 419 | |
| 420 | /* Populate the send data structure */ |
| 421 | ion_fd_info.data[0].fd = ihandle.ifd_data_fd; |
| 422 | ion_fd_info.data[0].cmd_buf_offset = sizeof(enum keymaster_cmd_t); |
| 423 | |
| 424 | |
| 425 | struct QSEECom_handle *handle = NULL; |
| 426 | keymaster_import_keypair_cmd_t *send_cmd = NULL; |
| 427 | keymaster_import_keypair_resp_t *resp = NULL; |
| 428 | struct qcom_keymaster_handle *km_handle =(struct qcom_keymaster_handle *)dev->context; |
| 429 | |
| 430 | handle = (struct QSEECom_handle *)(km_handle->qseecom); |
| 431 | send_cmd = (keymaster_import_keypair_cmd_t *)handle->ion_sbuffer; |
| 432 | resp = (keymaster_import_keypair_resp_t *)(handle->ion_sbuffer + |
| 433 | QSEECOM_ALIGN(sizeof(keymaster_import_keypair_cmd_t))); |
| 434 | send_cmd->cmd_id = KEYMASTER_IMPORT_KEYPAIR; |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 435 | send_cmd->pkcs8_key = (uint32_t)(uintptr_t)ihandle.ion_sbuffer; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 436 | |
| 437 | memcpy((unsigned char *)ihandle.ion_sbuffer, key, key_length); |
| 438 | |
| 439 | send_cmd->pkcs8_key_len = key_length; |
| 440 | resp->status = KEYMASTER_FAILURE; |
| 441 | resp->key_blob_len = sizeof(qcom_km_key_blob_t); |
| 442 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 443 | ret = (*km_handle->QSEECom_set_bandwidth)(handle, true); |
| 444 | if (ret < 0) { |
| 445 | ALOGE("Import key command failed (unable to enable clks) ret =%d", ret); |
| 446 | qcom_km_ion_dealloc(&ihandle); |
| 447 | return -1; |
| 448 | } |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 449 | ret = (*km_handle->QSEECom_send_modified_cmd)(handle, send_cmd, |
| 450 | QSEECOM_ALIGN(sizeof(*send_cmd)), resp, |
| 451 | QSEECOM_ALIGN(sizeof(*resp)), &ion_fd_info); |
| 452 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 453 | if((*km_handle->QSEECom_set_bandwidth)(handle, false)) |
| 454 | ALOGE("Import key command: (unable to disable clks)"); |
| 455 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 456 | if ( (ret < 0) || (resp->status < 0)) { |
| 457 | ALOGE("Import key command failed resp->status = %d ret =%d", resp->status, ret); |
| 458 | qcom_km_ion_dealloc(&ihandle); |
| 459 | return -1; |
| 460 | } else { |
| 461 | UniquePtr<unsigned char[]> keydata(new unsigned char[resp->key_blob_len]); |
| 462 | if (keydata.get() == NULL) { |
| 463 | ALOGE("could not allocate memory for key blob"); |
| 464 | return -1; |
| 465 | } |
| 466 | unsigned char* p = keydata.get(); |
| 467 | memcpy(p, (unsigned char *)(&resp->key_blob), resp->key_blob_len); |
| 468 | *keyBlob = keydata.release(); |
| 469 | *keyBlobLength = resp->key_blob_len; |
| 470 | |
| 471 | } |
| 472 | qcom_km_ion_dealloc(&ihandle); |
| 473 | return 0; |
| 474 | } |
| 475 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 476 | static int qcom_km_sign_data(const keymaster0_device_t* dev, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 477 | const void* params, |
| 478 | const uint8_t* keyBlob, const size_t keyBlobLength, |
| 479 | const uint8_t* data, const size_t dataLength, |
| 480 | uint8_t** signedData, size_t* signedDataLength) |
| 481 | { |
| 482 | if (dev->context == NULL) { |
| 483 | ALOGE("qcom_km_sign_data: Context == NULL"); |
| 484 | return -1; |
| 485 | } |
| 486 | if (dataLength > KM_KEY_SIZE_MAX) { |
| 487 | ALOGE("Input data to be signed is too long %d bytes", dataLength); |
| 488 | return -1; |
| 489 | } |
| 490 | if (data == NULL) { |
| 491 | ALOGE("input data to sign == NULL"); |
| 492 | return -1; |
| 493 | } else if (signedData == NULL || signedDataLength == NULL) { |
| 494 | ALOGE("Output signature buffer == NULL"); |
| 495 | return -1; |
| 496 | } |
| 497 | keymaster_rsa_sign_params_t* sign_params = (keymaster_rsa_sign_params_t*) params; |
| 498 | if (sign_params->digest_type != DIGEST_NONE) { |
| 499 | ALOGE("Cannot handle digest type %d", sign_params->digest_type); |
| 500 | return -1; |
| 501 | } else if (sign_params->padding_type != PADDING_NONE) { |
| 502 | ALOGE("Cannot handle padding type %d", sign_params->padding_type); |
| 503 | return -1; |
| 504 | } |
| 505 | |
| 506 | struct QSEECom_handle *handle = NULL; |
| 507 | keymaster_sign_data_cmd_t *send_cmd = NULL; |
| 508 | keymaster_sign_data_resp_t *resp = NULL; |
| 509 | struct QSEECom_ion_fd_info ion_fd_info; |
| 510 | struct qcom_km_ion_info_t ihandle; |
| 511 | struct qcom_keymaster_handle *km_handle =(struct qcom_keymaster_handle *)dev->context; |
| 512 | int ret = 0; |
| 513 | |
| 514 | handle = (struct QSEECom_handle *)(km_handle->qseecom); |
| 515 | ihandle.ion_fd = 0; |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 516 | ihandle.ion_alloc_handle.handle = 0; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 517 | if (qcom_km_ION_memalloc(&ihandle, dataLength) < 0) { |
| 518 | ALOGE("ION allocation failed"); |
| 519 | return -1; |
| 520 | } |
| 521 | memset(&ion_fd_info, 0, sizeof(struct QSEECom_ion_fd_info)); |
| 522 | |
| 523 | /* Populate the send data structure */ |
| 524 | ion_fd_info.data[0].fd = ihandle.ifd_data_fd; |
| 525 | ion_fd_info.data[0].cmd_buf_offset = sizeof(enum keymaster_cmd_t) + |
| 526 | sizeof(qcom_km_key_blob_t) + sizeof(keymaster_rsa_sign_params_t); |
| 527 | |
| 528 | send_cmd = (keymaster_sign_data_cmd_t *)handle->ion_sbuffer; |
| 529 | resp = (keymaster_sign_data_resp_t *)(handle->ion_sbuffer + |
| 530 | QSEECOM_ALIGN(sizeof(keymaster_sign_data_cmd_t))); |
| 531 | send_cmd->cmd_id = KEYMASTER_SIGN_DATA ; |
| 532 | send_cmd->sign_param.digest_type = sign_params->digest_type; |
| 533 | send_cmd->sign_param.padding_type = sign_params->padding_type; |
| 534 | memcpy((unsigned char *)(&send_cmd->key_blob), keyBlob, keyBlobLength); |
| 535 | memcpy((unsigned char *)ihandle.ion_sbuffer, data, dataLength); |
| 536 | |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 537 | send_cmd->data = (uint32_t)(uintptr_t)ihandle.ion_sbuffer; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 538 | send_cmd->dlen = dataLength; |
| 539 | resp->sig_len = KM_KEY_SIZE_MAX; |
| 540 | resp->status = KEYMASTER_FAILURE; |
| 541 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 542 | ret = (*km_handle->QSEECom_set_bandwidth)(handle, true); |
| 543 | if (ret < 0) { |
| 544 | ALOGE("Sign data command failed (unable to enable clks) ret =%d", ret); |
| 545 | qcom_km_ion_dealloc(&ihandle); |
| 546 | return -1; |
| 547 | } |
| 548 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 549 | ret = (*km_handle->QSEECom_send_modified_cmd)(handle, send_cmd, |
| 550 | QSEECOM_ALIGN(sizeof(*send_cmd)), resp, |
| 551 | QSEECOM_ALIGN(sizeof(*resp)), &ion_fd_info); |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 552 | |
| 553 | if((*km_handle->QSEECom_set_bandwidth)(handle, false)) |
| 554 | ALOGE("Sign data command: (unable to disable clks)"); |
| 555 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 556 | if ( (ret < 0) || (resp->status < 0)) { |
| 557 | ALOGE("Sign data command failed resp->status = %d ret =%d", resp->status, ret); |
| 558 | qcom_km_ion_dealloc(&ihandle); |
| 559 | return -1; |
| 560 | } else { |
| 561 | UniquePtr<uint8_t> signedDataPtr(reinterpret_cast<uint8_t*>(malloc(resp->sig_len))); |
| 562 | if (signedDataPtr.get() == NULL) { |
| 563 | ALOGE("Sign data memory allocation failed"); |
| 564 | qcom_km_ion_dealloc(&ihandle); |
| 565 | return -1; |
| 566 | } |
| 567 | unsigned char* p = signedDataPtr.get(); |
| 568 | memcpy(p, (unsigned char *)(&resp->signed_data), resp->sig_len); |
| 569 | |
| 570 | *signedDataLength = resp->sig_len; |
| 571 | *signedData = signedDataPtr.release(); |
| 572 | } |
| 573 | qcom_km_ion_dealloc(&ihandle); |
| 574 | return 0; |
| 575 | } |
| 576 | |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 577 | static int qcom_km_verify_data(const keymaster0_device_t* dev, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 578 | const void* params, |
| 579 | const uint8_t* keyBlob, const size_t keyBlobLength, |
| 580 | const uint8_t* signedData, const size_t signedDataLength, |
| 581 | const uint8_t* signature, const size_t signatureLength) |
| 582 | { |
| 583 | if (dev->context == NULL) { |
| 584 | ALOGE("qcom_km_verify_data: Context == NULL"); |
| 585 | return -1; |
| 586 | } |
| 587 | |
| 588 | if (signedData == NULL || signature == NULL) { |
| 589 | ALOGE("data or signature buffers == NULL"); |
| 590 | return -1; |
| 591 | } |
| 592 | |
| 593 | keymaster_rsa_sign_params_t* sign_params = (keymaster_rsa_sign_params_t*) params; |
| 594 | if (sign_params->digest_type != DIGEST_NONE) { |
| 595 | ALOGE("Cannot handle digest type %d", sign_params->digest_type); |
| 596 | return -1; |
| 597 | } else if (sign_params->padding_type != PADDING_NONE) { |
| 598 | ALOGE("Cannot handle padding type %d", sign_params->padding_type); |
| 599 | return -1; |
| 600 | } else if (signatureLength != signedDataLength) { |
| 601 | ALOGE("signed data length must be signature length"); |
| 602 | return -1; |
| 603 | } |
| 604 | |
| 605 | struct QSEECom_handle *handle = NULL; |
| 606 | keymaster_verify_data_cmd_t *send_cmd = NULL; |
| 607 | keymaster_verify_data_resp_t *resp = NULL; |
| 608 | |
| 609 | struct QSEECom_ion_fd_info ion_fd_info; |
| 610 | struct qcom_km_ion_info_t ihandle; |
| 611 | struct qcom_keymaster_handle *km_handle =(struct qcom_keymaster_handle *)dev->context; |
| 612 | int ret = 0; |
| 613 | |
| 614 | handle = (struct QSEECom_handle *)(km_handle->qseecom); |
| 615 | ihandle.ion_fd = 0; |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 616 | ihandle.ion_alloc_handle.handle = 0; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 617 | if (qcom_km_ION_memalloc(&ihandle, signedDataLength + signatureLength) <0) { |
| 618 | ALOGE("ION allocation failed"); |
| 619 | return -1; |
| 620 | } |
| 621 | memset(&ion_fd_info, 0, sizeof(struct QSEECom_ion_fd_info)); |
| 622 | |
| 623 | /* Populate the send data structure */ |
| 624 | ion_fd_info.data[0].fd = ihandle.ifd_data_fd; |
| 625 | ion_fd_info.data[0].cmd_buf_offset = sizeof(enum keymaster_cmd_t) + |
| 626 | sizeof(qcom_km_key_blob_t ) + sizeof(keymaster_rsa_sign_params_t); |
| 627 | |
| 628 | send_cmd = (keymaster_verify_data_cmd_t *)handle->ion_sbuffer; |
| 629 | resp = (keymaster_verify_data_resp_t *)((char *)handle->ion_sbuffer + |
| 630 | sizeof(keymaster_verify_data_cmd_t)); |
| 631 | send_cmd->cmd_id = KEYMASTER_VERIFY_DATA ; |
| 632 | send_cmd->sign_param.digest_type = sign_params->digest_type; |
| 633 | send_cmd->sign_param.padding_type = sign_params->padding_type; |
| 634 | memcpy((unsigned char *)(&send_cmd->key_blob), keyBlob, keyBlobLength); |
| 635 | |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 636 | send_cmd->signed_data = (uint32_t)(uintptr_t)ihandle.ion_sbuffer; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 637 | send_cmd->signed_dlen = signedDataLength; |
| 638 | memcpy((unsigned char *)ihandle.ion_sbuffer, signedData, signedDataLength); |
| 639 | |
| 640 | send_cmd->signature = signedDataLength; |
| 641 | send_cmd->slen = signatureLength; |
| 642 | memcpy(((unsigned char *)ihandle.ion_sbuffer + signedDataLength), |
| 643 | signature, signatureLength); |
| 644 | resp->status = KEYMASTER_FAILURE; |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 645 | |
| 646 | ret = (*km_handle->QSEECom_set_bandwidth)(handle, true); |
| 647 | if (ret < 0) { |
| 648 | ALOGE("Verify data command failed (unable to enable clks) ret =%d", ret); |
| 649 | qcom_km_ion_dealloc(&ihandle); |
| 650 | return -1; |
| 651 | } |
| 652 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 653 | ret = (*km_handle->QSEECom_send_modified_cmd)(handle, send_cmd, |
| 654 | QSEECOM_ALIGN(sizeof(*send_cmd)), resp, |
| 655 | QSEECOM_ALIGN(sizeof(*resp)), &ion_fd_info); |
| 656 | |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 657 | if((*km_handle->QSEECom_set_bandwidth)(handle, false)) |
| 658 | ALOGE("Verify data command: (unable to disable clks)"); |
| 659 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 660 | if ( (ret < 0) || (resp->status < 0)) { |
| 661 | ALOGE("Verify data command failed resp->status = %d ret =%d", resp->status, ret); |
| 662 | qcom_km_ion_dealloc(&ihandle); |
| 663 | return -1; |
| 664 | } |
| 665 | qcom_km_ion_dealloc(&ihandle); |
| 666 | return 0; |
| 667 | } |
| 668 | |
| 669 | /* Close an opened OpenSSL instance */ |
| 670 | static int qcom_km_close(hw_device_t *dev) |
| 671 | { |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 672 | keymaster0_device_t* km_dev = (keymaster0_device_t *)dev; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 673 | struct qcom_keymaster_handle *km_handle =(struct qcom_keymaster_handle *)km_dev->context; |
| 674 | |
| 675 | if (km_handle->qseecom == NULL) { |
| 676 | ALOGE("Context == NULL"); |
| 677 | return -1; |
| 678 | } |
| 679 | (*km_handle->QSEECom_shutdown_app)((struct QSEECom_handle **)&km_handle->qseecom); |
| 680 | free(km_dev->context); |
| 681 | free(dev); |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static int qcom_km_get_lib_sym(qcom_keymaster_handle_t* km_handle) |
| 686 | { |
Mekala Natarajan | f2ffd55 | 2014-06-04 16:10:26 -0700 | [diff] [blame] | 687 | km_handle->libhandle = dlopen("libQSEEComAPI.so", RTLD_NOW); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 688 | if ( km_handle->libhandle ) { |
| 689 | *(void **)(&km_handle->QSEECom_start_app) = |
| 690 | dlsym(km_handle->libhandle,"QSEECom_start_app"); |
| 691 | if (km_handle->QSEECom_start_app == NULL) { |
| 692 | ALOGE("dlsym: Error Loading QSEECom_start_app"); |
| 693 | dlclose(km_handle->libhandle ); |
| 694 | km_handle->libhandle = NULL; |
| 695 | return -1; |
| 696 | } |
| 697 | *(void **)(&km_handle->QSEECom_shutdown_app) = |
| 698 | dlsym(km_handle->libhandle,"QSEECom_shutdown_app"); |
| 699 | if (km_handle->QSEECom_shutdown_app == NULL) { |
| 700 | ALOGE("dlsym: Error Loading QSEECom_shutdown_app"); |
| 701 | dlclose(km_handle->libhandle ); |
| 702 | km_handle->libhandle = NULL; |
| 703 | return -1; |
| 704 | } |
| 705 | *(void **)(&km_handle->QSEECom_send_cmd) = |
| 706 | dlsym(km_handle->libhandle,"QSEECom_send_cmd"); |
| 707 | if (km_handle->QSEECom_send_cmd == NULL) { |
| 708 | ALOGE("dlsym: Error Loading QSEECom_send_cmd"); |
| 709 | dlclose(km_handle->libhandle ); |
| 710 | km_handle->libhandle = NULL; |
| 711 | return -1; |
| 712 | } |
| 713 | *(void **)(&km_handle->QSEECom_send_modified_cmd) = |
| 714 | dlsym(km_handle->libhandle,"QSEECom_send_modified_cmd"); |
| 715 | if (km_handle->QSEECom_send_modified_cmd == NULL) { |
| 716 | ALOGE("dlsym: Error Loading QSEECom_send_modified_cmd"); |
| 717 | dlclose(km_handle->libhandle ); |
| 718 | km_handle->libhandle = NULL; |
| 719 | return -1; |
| 720 | } |
Ajay Dudani | cccc004 | 2013-06-11 11:42:15 -0700 | [diff] [blame] | 721 | *(void **)(&km_handle->QSEECom_set_bandwidth) = |
| 722 | dlsym(km_handle->libhandle,"QSEECom_set_bandwidth"); |
| 723 | if (km_handle->QSEECom_set_bandwidth == NULL) { |
| 724 | ALOGE("dlsym: Error Loading QSEECom_set_bandwidth"); |
| 725 | dlclose(km_handle->libhandle ); |
| 726 | km_handle->libhandle = NULL; |
| 727 | return -1; |
| 728 | } |
| 729 | |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 730 | } else { |
| 731 | ALOGE("failed to load qseecom library"); |
| 732 | return -1; |
| 733 | } |
| 734 | return 0; |
| 735 | } |
| 736 | |
| 737 | /* |
| 738 | * Generic device handling |
| 739 | */ |
| 740 | static int qcom_km_open(const hw_module_t* module, const char* name, |
| 741 | hw_device_t** device) |
| 742 | { |
| 743 | int ret = 0; |
Jyoti Wadhwani | 79fc660 | 2015-01-14 15:59:33 -0800 | [diff] [blame] | 744 | unsigned int attempt_num = 0; |
| 745 | char property_val[PROPERTY_VALUE_MAX] = {0}; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 746 | qcom_keymaster_handle_t* km_handle; |
| 747 | if (strcmp(name, KEYSTORE_KEYMASTER) != 0) |
| 748 | return -EINVAL; |
| 749 | |
| 750 | km_handle = (qcom_keymaster_handle_t *)malloc(sizeof(qcom_keymaster_handle_t)); |
| 751 | if (km_handle == NULL) { |
| 752 | ALOGE("Memalloc for keymaster handle failed"); |
| 753 | return -1; |
| 754 | } |
| 755 | km_handle->qseecom = NULL; |
| 756 | km_handle->libhandle = NULL; |
| 757 | ret = qcom_km_get_lib_sym(km_handle); |
| 758 | if (ret) { |
| 759 | free(km_handle); |
| 760 | return -1; |
| 761 | } |
Brahmaji K | a0bf5a7 | 2015-09-02 20:45:10 +0530 | [diff] [blame] | 762 | Unique_keymaster_device_t dev(new keymaster0_device_t); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 763 | if (dev.get() == NULL){ |
| 764 | free(km_handle); |
| 765 | return -ENOMEM; |
| 766 | } |
| 767 | dev->context = (void *)km_handle; |
Jyoti Wadhwani | 79fc660 | 2015-01-14 15:59:33 -0800 | [diff] [blame] | 768 | while (attempt_num < MAX_PROPERTY_GET_ATTEMPTS) |
| 769 | { |
| 770 | property_get("sys.keymaster.loaded", property_val, ""); |
| 771 | if (strncmp(property_val, "true", sizeof(property_val)) == 0) |
| 772 | { |
| 773 | ALOGD("keymaster app is loaded"); |
| 774 | break; |
| 775 | } |
| 776 | if (attempt_num == 0) |
| 777 | ALOGE("keymaster app is not loaded, attempt number %d", attempt_num); |
| 778 | attempt_num++; |
| 779 | sleep(PROPERTY_GET_SLEEP_INTERVAL); |
| 780 | } |
| 781 | if (attempt_num == MAX_PROPERTY_GET_ATTEMPTS) |
| 782 | { |
| 783 | ALOGE("Keymaster app not loaded: Max attempts reached"); |
| 784 | free(km_handle); |
| 785 | return -1; |
| 786 | } |
| 787 | ALOGD("keymaster app got loaded at attempt number %d", attempt_num); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 788 | ret = (*km_handle->QSEECom_start_app)((struct QSEECom_handle **)&km_handle->qseecom, |
Jyoti Wadhwani | f6953ac | 2014-10-17 11:57:10 -0700 | [diff] [blame] | 789 | "/vendor/firmware/keymaster", "keymaster", KM_SB_LENGTH); |
| 790 | if(ret) |
| 791 | ret = (*km_handle->QSEECom_start_app)((struct QSEECom_handle **)&km_handle->qseecom, |
| 792 | "/firmware/image", "keymaste", KM_SB_LENGTH); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 793 | if (ret) { |
Ian Rogers | 3b16dc7 | 2014-01-13 20:14:51 -0800 | [diff] [blame] | 794 | ALOGE("Loading keymaster app failed"); |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 795 | free(km_handle); |
| 796 | return -1; |
| 797 | } |
| 798 | dev->common.tag = HARDWARE_DEVICE_TAG; |
| 799 | dev->common.version = 1; |
| 800 | dev->common.module = (struct hw_module_t*) module; |
| 801 | dev->common.close = qcom_km_close; |
Geremy Condra | 5ca7ccb | 2014-04-17 16:10:40 -0700 | [diff] [blame] | 802 | dev->flags = KEYMASTER_BLOBS_ARE_STANDALONE; |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 803 | |
| 804 | dev->generate_keypair = qcom_km_generate_keypair; |
| 805 | dev->import_keypair = qcom_km_import_keypair; |
| 806 | dev->get_keypair_public = qcom_km_get_keypair_public; |
| 807 | dev->delete_keypair = NULL; |
| 808 | dev->delete_all = NULL; |
| 809 | dev->sign_data = qcom_km_sign_data; |
| 810 | dev->verify_data = qcom_km_verify_data; |
| 811 | |
| 812 | *device = reinterpret_cast<hw_device_t*>(dev.release()); |
| 813 | |
| 814 | return 0; |
| 815 | } |
| 816 | |
| 817 | static struct hw_module_methods_t keystore_module_methods = { |
synergy dev | 328b663 | 2013-11-06 18:43:39 -0800 | [diff] [blame] | 818 | .open = qcom_km_open, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 819 | }; |
| 820 | |
| 821 | struct keystore_module HAL_MODULE_INFO_SYM |
| 822 | __attribute__ ((visibility ("default"))) = { |
synergy dev | 328b663 | 2013-11-06 18:43:39 -0800 | [diff] [blame] | 823 | .common = { |
| 824 | .tag = HARDWARE_MODULE_TAG, |
Paul Lawrence | f4191b5 | 2014-05-06 13:59:38 -0700 | [diff] [blame] | 825 | .module_api_version = QCOM_KEYMASTER_API_VERSION, |
| 826 | .hal_api_version = HARDWARE_HAL_API_VERSION, |
synergy dev | 328b663 | 2013-11-06 18:43:39 -0800 | [diff] [blame] | 827 | .id = KEYSTORE_HARDWARE_MODULE_ID, |
| 828 | .name = "Keymaster QCOM HAL", |
| 829 | .author = "The Android Open Source Project", |
| 830 | .methods = &keystore_module_methods, |
| 831 | .dso = 0, |
| 832 | .reserved = {}, |
Ajay Dudani | fb5cdde | 2012-09-20 14:57:01 -0700 | [diff] [blame] | 833 | }, |
| 834 | }; |