DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Samsung Electronics Co., LTD |
| 3 | * Copyright (C) 2012 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include <errno.h> |
| 19 | #include <string.h> |
| 20 | #include <stdint.h> |
| 21 | |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 22 | #include <hardware/hardware.h> |
| 23 | #include <hardware/keymaster.h> |
| 24 | |
| 25 | #include <openssl/evp.h> |
| 26 | #include <openssl/bio.h> |
| 27 | #include <openssl/rsa.h> |
| 28 | #include <openssl/err.h> |
| 29 | #include <openssl/x509.h> |
| 30 | |
Kenny Root | e302f09 | 2013-09-11 14:47:32 -0700 | [diff] [blame] | 31 | #include <UniquePtr.h> |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 32 | |
| 33 | #define LOG_TAG "ExynosKeyMaster" |
| 34 | #include <cutils/log.h> |
| 35 | |
| 36 | #include <tlcTeeKeymaster_if.h> |
| 37 | |
| 38 | #define RSA_KEY_BUFFER_SIZE 1536 |
| 39 | #define RSA_KEY_MAX_SIZE (2048 >> 3) |
| 40 | |
| 41 | struct BIGNUM_Delete { |
| 42 | void operator()(BIGNUM* p) const { |
| 43 | BN_free(p); |
| 44 | } |
| 45 | }; |
| 46 | typedef UniquePtr<BIGNUM, BIGNUM_Delete> Unique_BIGNUM; |
| 47 | |
| 48 | struct EVP_PKEY_Delete { |
| 49 | void operator()(EVP_PKEY* p) const { |
| 50 | EVP_PKEY_free(p); |
| 51 | } |
| 52 | }; |
| 53 | typedef UniquePtr<EVP_PKEY, EVP_PKEY_Delete> Unique_EVP_PKEY; |
| 54 | |
| 55 | struct PKCS8_PRIV_KEY_INFO_Delete { |
| 56 | void operator()(PKCS8_PRIV_KEY_INFO* p) const { |
| 57 | PKCS8_PRIV_KEY_INFO_free(p); |
| 58 | } |
| 59 | }; |
| 60 | typedef UniquePtr<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_Delete> Unique_PKCS8_PRIV_KEY_INFO; |
| 61 | |
| 62 | struct RSA_Delete { |
| 63 | void operator()(RSA* p) const { |
| 64 | RSA_free(p); |
| 65 | } |
| 66 | }; |
| 67 | typedef UniquePtr<RSA, RSA_Delete> Unique_RSA; |
| 68 | |
| 69 | typedef UniquePtr<keymaster_device_t> Unique_keymaster_device_t; |
| 70 | |
| 71 | /** |
| 72 | * Many OpenSSL APIs take ownership of an argument on success but don't free the argument |
| 73 | * on failure. This means we need to tell our scoped pointers when we've transferred ownership, |
| 74 | * without triggering a warning by not using the result of release(). |
| 75 | */ |
| 76 | #define OWNERSHIP_TRANSFERRED(obj) \ |
| 77 | typeof (obj.release()) _dummy __attribute__((unused)) = obj.release() |
| 78 | |
| 79 | /* |
| 80 | * Checks this thread's error queue and logs if necessary. |
| 81 | */ |
| 82 | static void logOpenSSLError(const char* location) { |
| 83 | int error = ERR_get_error(); |
| 84 | |
| 85 | if (error != 0) { |
| 86 | char message[256]; |
| 87 | ERR_error_string_n(error, message, sizeof(message)); |
| 88 | ALOGE("OpenSSL error in %s %d: %s", location, error, message); |
| 89 | } |
| 90 | |
| 91 | ERR_clear_error(); |
| 92 | ERR_remove_state(0); |
| 93 | } |
| 94 | |
| 95 | static int exynos_km_generate_keypair(const keymaster_device_t* dev, |
| 96 | const keymaster_keypair_t key_type, const void* key_params, |
| 97 | uint8_t** keyBlob, size_t* keyBlobLength) { |
| 98 | teeResult_t ret = TEE_ERR_NONE; |
| 99 | |
| 100 | if (key_type != TYPE_RSA) { |
| 101 | ALOGE("Unsupported key type %d", key_type); |
| 102 | return -1; |
| 103 | } else if (key_params == NULL) { |
| 104 | ALOGE("key_params == null"); |
| 105 | return -1; |
| 106 | } |
| 107 | |
| 108 | keymaster_rsa_keygen_params_t* rsa_params = (keymaster_rsa_keygen_params_t*) key_params; |
| 109 | |
| 110 | if ((rsa_params->modulus_size != 512) && |
| 111 | (rsa_params->modulus_size != 1024) && |
| 112 | (rsa_params->modulus_size != 2048)) { |
| 113 | ALOGE("key size(%d) is not supported\n", rsa_params->modulus_size); |
| 114 | return -1; |
| 115 | } |
| 116 | |
| 117 | UniquePtr<uint8_t> keyDataPtr(reinterpret_cast<uint8_t*>(malloc(RSA_KEY_BUFFER_SIZE))); |
| 118 | if (keyDataPtr.get() == NULL) { |
| 119 | ALOGE("memory allocation is failed"); |
| 120 | return -1; |
| 121 | } |
| 122 | |
| 123 | ret = TEE_RSAGenerateKeyPair(TEE_KEYPAIR_RSACRT, keyDataPtr.get(), RSA_KEY_BUFFER_SIZE, |
| 124 | rsa_params->modulus_size, (uint32_t)rsa_params->public_exponent, |
| 125 | keyBlobLength); |
| 126 | if (ret != TEE_ERR_NONE) { |
| 127 | ALOGE("TEE_RSAGenerateKeyPair() is failed: %d", ret); |
| 128 | return -1; |
| 129 | } |
| 130 | |
| 131 | *keyBlob = keyDataPtr.release(); |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | static int exynos_km_import_keypair(const keymaster_device_t* dev, |
| 137 | const uint8_t* key, const size_t key_length, |
| 138 | uint8_t** key_blob, size_t* key_blob_length) { |
| 139 | uint8_t kbuf[RSA_KEY_BUFFER_SIZE]; |
| 140 | teeRsaKeyMeta_t metadata; |
| 141 | uint32_t key_len = 0; |
| 142 | teeResult_t ret = TEE_ERR_NONE; |
| 143 | |
| 144 | if (key == NULL) { |
| 145 | ALOGE("input key == NULL"); |
| 146 | return -1; |
| 147 | } else if (key_blob == NULL || key_blob_length == NULL) { |
| 148 | ALOGE("output key blob or length == NULL"); |
| 149 | return -1; |
| 150 | } |
| 151 | |
| 152 | /* decoding */ |
| 153 | Unique_PKCS8_PRIV_KEY_INFO pkcs8(d2i_PKCS8_PRIV_KEY_INFO(NULL, &key, key_length)); |
| 154 | if (pkcs8.get() == NULL) { |
| 155 | logOpenSSLError("pkcs4.get"); |
| 156 | return -1; |
| 157 | } |
| 158 | |
| 159 | /* assign to EVP */ |
| 160 | Unique_EVP_PKEY pkey(EVP_PKCS82PKEY(pkcs8.get())); |
| 161 | if (pkey.get() == NULL) { |
| 162 | logOpenSSLError("pkey.get"); |
| 163 | return -1; |
| 164 | } |
| 165 | OWNERSHIP_TRANSFERRED(pkcs8); |
| 166 | |
| 167 | /* change key format */ |
Kenny Root | 7604f7b | 2013-09-06 09:51:27 -0700 | [diff] [blame] | 168 | Unique_RSA rsa(EVP_PKEY_get1_RSA(pkey.get())); |
| 169 | if (rsa.get() == NULL) { |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 170 | logOpenSSLError("get rsa key format"); |
| 171 | return -1; |
| 172 | } |
| 173 | |
| 174 | key_len += sizeof(metadata); |
| 175 | |
| 176 | metadata.lenpubmod = BN_bn2bin(rsa->n, kbuf + key_len); |
| 177 | key_len += metadata.lenpubmod; |
| 178 | if (metadata.lenpubmod == (512 >> 3)) |
| 179 | metadata.keysize = TEE_RSA_KEY_SIZE_512; |
| 180 | else if (metadata.lenpubmod == (1024 >> 3)) |
| 181 | metadata.keysize = TEE_RSA_KEY_SIZE_1024; |
| 182 | else if (metadata.lenpubmod == (2048 >> 3)) |
| 183 | metadata.keysize = TEE_RSA_KEY_SIZE_2048; |
| 184 | else { |
| 185 | ALOGE("key size(%d) is not supported\n", metadata.lenpubmod << 3); |
| 186 | return -1; |
| 187 | } |
| 188 | |
| 189 | metadata.lenpubexp = BN_bn2bin(rsa->e, kbuf + key_len); |
| 190 | key_len += metadata.lenpubexp; |
| 191 | |
| 192 | if ((rsa->p != NULL) && (rsa->q != NULL) && (rsa->dmp1 != NULL) && |
| 193 | (rsa->dmq1 != NULL) && (rsa->iqmp != NULL)) |
| 194 | { |
| 195 | metadata.keytype = TEE_KEYPAIR_RSACRT; |
| 196 | metadata.rsacrtpriv.lenp = BN_bn2bin(rsa->p, kbuf + key_len); |
| 197 | key_len += metadata.rsacrtpriv.lenp; |
| 198 | metadata.rsacrtpriv.lenq = BN_bn2bin(rsa->q, kbuf + key_len); |
| 199 | key_len += metadata.rsacrtpriv.lenq; |
| 200 | metadata.rsacrtpriv.lendp = BN_bn2bin(rsa->dmp1, kbuf + key_len); |
| 201 | key_len += metadata.rsacrtpriv.lendp; |
| 202 | metadata.rsacrtpriv.lendq = BN_bn2bin(rsa->dmq1, kbuf + key_len); |
| 203 | key_len += metadata.rsacrtpriv.lendq; |
| 204 | metadata.rsacrtpriv.lenqinv = BN_bn2bin(rsa->iqmp, kbuf + key_len); |
| 205 | key_len += metadata.rsacrtpriv.lenqinv; |
| 206 | } else { |
| 207 | metadata.keytype = TEE_KEYPAIR_RSA; |
| 208 | metadata.rsapriv.lenpriexp = BN_bn2bin(rsa->p, kbuf + key_len); |
| 209 | key_len += metadata.rsapriv.lenprimod; |
| 210 | } |
| 211 | memcpy(kbuf, &metadata, sizeof(metadata)); |
| 212 | |
| 213 | UniquePtr<uint8_t> outPtr(reinterpret_cast<uint8_t*>(malloc(RSA_KEY_BUFFER_SIZE))); |
| 214 | if (outPtr.get() == NULL) { |
| 215 | ALOGE("memory allocation is failed"); |
| 216 | return -1; |
| 217 | } |
| 218 | |
| 219 | *key_blob_length = RSA_KEY_BUFFER_SIZE; |
| 220 | |
| 221 | ret = TEE_KeyImport(kbuf, key_len, outPtr.get(), key_blob_length); |
| 222 | if (ret != TEE_ERR_NONE) { |
| 223 | ALOGE("TEE_KeyImport() is failed: %d", ret); |
| 224 | return -1; |
| 225 | } |
| 226 | |
| 227 | *key_blob = outPtr.release(); |
| 228 | |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | static int exynos_km_get_keypair_public(const struct keymaster_device* dev, |
| 233 | const uint8_t* key_blob, const size_t key_blob_length, |
| 234 | uint8_t** x509_data, size_t* x509_data_length) { |
| 235 | uint32_t bin_mod_len; |
| 236 | uint32_t bin_exp_len; |
| 237 | teeResult_t ret = TEE_ERR_NONE; |
| 238 | |
| 239 | if (x509_data == NULL || x509_data_length == NULL) { |
| 240 | ALOGE("output public key buffer == NULL"); |
| 241 | return -1; |
| 242 | } |
| 243 | |
| 244 | UniquePtr<uint8_t> binModPtr(reinterpret_cast<uint8_t*>(malloc(RSA_KEY_MAX_SIZE))); |
| 245 | if (binModPtr.get() == NULL) { |
| 246 | ALOGE("memory allocation is failed"); |
| 247 | return -1; |
| 248 | } |
| 249 | |
| 250 | UniquePtr<uint8_t> binExpPtr(reinterpret_cast<uint8_t*>(malloc(sizeof(uint32_t)))); |
| 251 | if (binExpPtr.get() == NULL) { |
| 252 | ALOGE("memory allocation is failed"); |
| 253 | return -1; |
| 254 | } |
| 255 | |
| 256 | bin_mod_len = RSA_KEY_MAX_SIZE; |
| 257 | bin_exp_len = sizeof(uint32_t); |
| 258 | |
| 259 | ret = TEE_GetPubKey(key_blob, key_blob_length, binModPtr.get(), &bin_mod_len, binExpPtr.get(), |
| 260 | &bin_exp_len); |
| 261 | if (ret != TEE_ERR_NONE) { |
| 262 | ALOGE("TEE_GetPubKey() is failed: %d", ret); |
| 263 | return -1; |
| 264 | } |
| 265 | |
| 266 | Unique_BIGNUM bn_mod(BN_new()); |
| 267 | if (bn_mod.get() == NULL) { |
| 268 | ALOGE("memory allocation is failed"); |
| 269 | return -1; |
| 270 | } |
| 271 | |
| 272 | Unique_BIGNUM bn_exp(BN_new()); |
| 273 | if (bn_exp.get() == NULL) { |
| 274 | ALOGE("memory allocation is failed"); |
| 275 | return -1; |
| 276 | } |
| 277 | |
| 278 | BN_bin2bn(binModPtr.get(), bin_mod_len, bn_mod.get()); |
| 279 | BN_bin2bn(binExpPtr.get(), bin_exp_len, bn_exp.get()); |
| 280 | |
| 281 | /* assign to RSA */ |
| 282 | Unique_RSA rsa(RSA_new()); |
| 283 | if (rsa.get() == NULL) { |
| 284 | logOpenSSLError("rsa.get"); |
| 285 | return -1; |
| 286 | } |
| 287 | |
| 288 | RSA* rsa_tmp = rsa.get(); |
| 289 | |
| 290 | rsa_tmp->n = bn_mod.release(); |
| 291 | rsa_tmp->e = bn_exp.release(); |
| 292 | |
| 293 | /* assign to EVP */ |
| 294 | Unique_EVP_PKEY pkey(EVP_PKEY_new()); |
| 295 | if (pkey.get() == NULL) { |
| 296 | logOpenSSLError("allocate EVP_PKEY"); |
| 297 | return -1; |
| 298 | } |
| 299 | |
| 300 | if (EVP_PKEY_assign_RSA(pkey.get(), rsa.get()) == 0) { |
| 301 | logOpenSSLError("assing RSA to EVP_PKEY"); |
| 302 | return -1; |
| 303 | } |
| 304 | OWNERSHIP_TRANSFERRED(rsa); |
| 305 | |
| 306 | /* change to x.509 format */ |
| 307 | int len = i2d_PUBKEY(pkey.get(), NULL); |
| 308 | if (len <= 0) { |
| 309 | logOpenSSLError("i2d_PUBKEY"); |
| 310 | return -1; |
| 311 | } |
| 312 | |
| 313 | UniquePtr<uint8_t> key(static_cast<uint8_t*>(malloc(len))); |
| 314 | if (key.get() == NULL) { |
| 315 | ALOGE("Could not allocate memory for public key data"); |
| 316 | return -1; |
| 317 | } |
| 318 | |
| 319 | unsigned char* tmp = reinterpret_cast<unsigned char*>(key.get()); |
| 320 | if (i2d_PUBKEY(pkey.get(), &tmp) != len) { |
| 321 | logOpenSSLError("Compare results"); |
| 322 | return -1; |
| 323 | } |
| 324 | |
| 325 | *x509_data_length = len; |
| 326 | *x509_data = key.release(); |
| 327 | |
| 328 | return 0; |
| 329 | } |
| 330 | |
| 331 | static int exynos_km_sign_data(const keymaster_device_t* dev, |
| 332 | const void* params, |
| 333 | const uint8_t* keyBlob, const size_t keyBlobLength, |
| 334 | const uint8_t* data, const size_t dataLength, |
| 335 | uint8_t** signedData, size_t* signedDataLength) { |
| 336 | teeResult_t ret = TEE_ERR_NONE; |
| 337 | |
| 338 | if (data == NULL) { |
| 339 | ALOGE("input data to sign == NULL"); |
| 340 | return -1; |
| 341 | } else if (signedData == NULL || signedDataLength == NULL) { |
| 342 | ALOGE("output signature buffer == NULL"); |
| 343 | return -1; |
| 344 | } |
| 345 | |
| 346 | keymaster_rsa_sign_params_t* sign_params = (keymaster_rsa_sign_params_t*) params; |
| 347 | if (sign_params->digest_type != DIGEST_NONE) { |
| 348 | ALOGE("Cannot handle digest type %d", sign_params->digest_type); |
| 349 | return -1; |
| 350 | } else if (sign_params->padding_type != PADDING_NONE) { |
| 351 | ALOGE("Cannot handle padding type %d", sign_params->padding_type); |
| 352 | return -1; |
| 353 | } |
| 354 | |
| 355 | UniquePtr<uint8_t> signedDataPtr(reinterpret_cast<uint8_t*>(malloc(RSA_KEY_MAX_SIZE))); |
| 356 | if (signedDataPtr.get() == NULL) { |
| 357 | ALOGE("memory allocation is failed"); |
| 358 | return -1; |
| 359 | } |
| 360 | |
| 361 | *signedDataLength = RSA_KEY_MAX_SIZE; |
| 362 | |
Dima Zavin | 9449b16 | 2013-04-27 00:05:57 -0700 | [diff] [blame] | 363 | /* binder gives us read-only mappings we can't use with mobicore */ |
| 364 | void *tmpData = malloc(dataLength); |
| 365 | memcpy(tmpData, data, dataLength); |
| 366 | ret = TEE_RSASign(keyBlob, keyBlobLength, (const uint8_t *)tmpData, dataLength, signedDataPtr.get(), |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 367 | signedDataLength, TEE_RSA_NODIGEST_NOPADDING); |
Dima Zavin | 9449b16 | 2013-04-27 00:05:57 -0700 | [diff] [blame] | 368 | free(tmpData); |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 369 | if (ret != TEE_ERR_NONE) { |
| 370 | ALOGE("TEE_RSASign() is failed: %d", ret); |
| 371 | return -1; |
| 372 | } |
| 373 | |
| 374 | *signedData = signedDataPtr.release(); |
| 375 | |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static int exynos_km_verify_data(const keymaster_device_t* dev, |
| 380 | const void* params, |
| 381 | const uint8_t* keyBlob, const size_t keyBlobLength, |
| 382 | const uint8_t* signedData, const size_t signedDataLength, |
| 383 | const uint8_t* signature, const size_t signatureLength) { |
| 384 | bool result; |
| 385 | teeResult_t ret = TEE_ERR_NONE; |
| 386 | |
| 387 | if (signedData == NULL || signature == NULL) { |
| 388 | ALOGE("data or signature buffers == NULL"); |
| 389 | return -1; |
| 390 | } |
| 391 | |
| 392 | keymaster_rsa_sign_params_t* sign_params = (keymaster_rsa_sign_params_t*) params; |
| 393 | if (sign_params->digest_type != DIGEST_NONE) { |
| 394 | ALOGE("Cannot handle digest type %d", sign_params->digest_type); |
| 395 | return -1; |
| 396 | } else if (sign_params->padding_type != PADDING_NONE) { |
| 397 | ALOGE("Cannot handle padding type %d", sign_params->padding_type); |
| 398 | return -1; |
| 399 | } else if (signatureLength != signedDataLength) { |
| 400 | ALOGE("signed data length must be signature length"); |
| 401 | return -1; |
| 402 | } |
| 403 | |
Dima Zavin | 9449b16 | 2013-04-27 00:05:57 -0700 | [diff] [blame] | 404 | void *tmpSignedData = malloc(signedDataLength); |
| 405 | memcpy(tmpSignedData, signedData, signedDataLength); |
| 406 | void *tmpSig = malloc(signatureLength); |
| 407 | memcpy(tmpSig, signature, signatureLength); |
| 408 | ret = TEE_RSAVerify(keyBlob, keyBlobLength, (const uint8_t*)tmpSignedData, signedDataLength, (const uint8_t *)tmpSig, |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 409 | signatureLength, TEE_RSA_NODIGEST_NOPADDING, &result); |
Dima Zavin | 9449b16 | 2013-04-27 00:05:57 -0700 | [diff] [blame] | 410 | free(tmpSignedData); |
| 411 | free(tmpSig); |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 412 | if (ret != TEE_ERR_NONE) { |
| 413 | ALOGE("TEE_RSAVerify() is failed: %d", ret); |
| 414 | return -1; |
| 415 | } |
| 416 | |
| 417 | return (result == true) ? 0 : -1; |
| 418 | } |
| 419 | |
| 420 | /* Close an opened Exynos KM instance */ |
| 421 | static int exynos_km_close(hw_device_t *dev) { |
| 422 | free(dev); |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * Generic device handling |
| 428 | */ |
| 429 | static int exynos_km_open(const hw_module_t* module, const char* name, |
| 430 | hw_device_t** device) { |
| 431 | if (strcmp(name, KEYSTORE_KEYMASTER) != 0) |
| 432 | return -EINVAL; |
| 433 | |
| 434 | Unique_keymaster_device_t dev(new keymaster_device_t); |
| 435 | if (dev.get() == NULL) |
| 436 | return -ENOMEM; |
| 437 | |
| 438 | dev->common.tag = HARDWARE_DEVICE_TAG; |
| 439 | dev->common.version = 1; |
| 440 | dev->common.module = (struct hw_module_t*) module; |
| 441 | dev->common.close = exynos_km_close; |
| 442 | |
Kenny Root | e8f5f3e | 2012-11-29 11:42:59 -0800 | [diff] [blame] | 443 | dev->flags = 0; |
DongJin Park | 8eff0eb | 2012-08-31 18:08:58 +0900 | [diff] [blame] | 444 | |
| 445 | dev->generate_keypair = exynos_km_generate_keypair; |
| 446 | dev->import_keypair = exynos_km_import_keypair; |
| 447 | dev->get_keypair_public = exynos_km_get_keypair_public; |
| 448 | dev->delete_keypair = NULL; |
| 449 | dev->delete_all = NULL; |
| 450 | dev->sign_data = exynos_km_sign_data; |
| 451 | dev->verify_data = exynos_km_verify_data; |
| 452 | |
| 453 | ERR_load_crypto_strings(); |
| 454 | ERR_load_BIO_strings(); |
| 455 | |
| 456 | *device = reinterpret_cast<hw_device_t*>(dev.release()); |
| 457 | |
| 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | static struct hw_module_methods_t keystore_module_methods = { |
| 462 | open: exynos_km_open, |
| 463 | }; |
| 464 | |
| 465 | struct keystore_module HAL_MODULE_INFO_SYM |
| 466 | __attribute__ ((visibility ("default"))) = { |
| 467 | common: { |
| 468 | tag: HARDWARE_MODULE_TAG, |
| 469 | version_major: 1, |
| 470 | version_minor: 0, |
| 471 | id: KEYSTORE_HARDWARE_MODULE_ID, |
| 472 | name: "Keymaster Exynos HAL", |
| 473 | author: "Samsung S.LSI", |
| 474 | methods: &keystore_module_methods, |
| 475 | dso: 0, |
| 476 | reserved: {}, |
| 477 | }, |
| 478 | }; |