| 251 | The TPM device is at /dev/tpm0 |
| 252 | |
| 253 | The TPM tools can be installed with the following command: |
| 254 | {{{ |
| 255 | apt install tpm2-tools |
| 256 | }}} |
| 257 | |
| 258 | Showing the properties: |
| 259 | {{{ |
| 260 | root@jammy-malibu:~# tpm2_getcap properties-fixed |
| 261 | TPM2_PT_FAMILY_INDICATOR: |
| 262 | raw: 0x322E3000 |
| 263 | value: "2.0" |
| 264 | TPM2_PT_LEVEL: |
| 265 | raw: 0 |
| 266 | TPM2_PT_REVISION: |
| 267 | raw: 0x77 |
| 268 | value: 1.19 |
| 269 | TPM2_PT_DAY_OF_YEAR: |
| 270 | raw: 0x42 |
| 271 | TPM2_PT_YEAR: |
| 272 | raw: 0x7DE |
| 273 | TPM2_PT_MANUFACTURER: |
| 274 | raw: 0x4D434850 |
| 275 | value: "MCHP" |
| 276 | TPM2_PT_VENDOR_STRING_1: |
| 277 | raw: 0x0 |
| 278 | value: "" |
| 279 | TPM2_PT_VENDOR_STRING_2: |
| 280 | raw: 0x0 |
| 281 | value: "" |
| 282 | TPM2_PT_VENDOR_STRING_3: |
| 283 | raw: 0x0 |
| 284 | value: "" |
| 285 | TPM2_PT_VENDOR_STRING_4: |
| 286 | raw: 0x0 |
| 287 | value: "" |
| 288 | TPM2_PT_VENDOR_TPM_TYPE: |
| 289 | raw: 0x0 |
| 290 | TPM2_PT_FIRMWARE_VERSION_1: |
| 291 | raw: 0x2005002 |
| 292 | TPM2_PT_FIRMWARE_VERSION_2: |
| 293 | raw: 0x0 |
| 294 | TPM2_PT_INPUT_BUFFER: |
| 295 | raw: 0x400 |
| 296 | TPM2_PT_HR_TRANSIENT_MIN: |
| 297 | raw: 0x3 |
| 298 | TPM2_PT_HR_PERSISTENT_MIN: |
| 299 | raw: 0x7 |
| 300 | TPM2_PT_HR_LOADED_MIN: |
| 301 | raw: 0x3 |
| 302 | TPM2_PT_ACTIVE_SESSIONS_MAX: |
| 303 | raw: 0x40 |
| 304 | TPM2_PT_PCR_COUNT: |
| 305 | raw: 0x18 |
| 306 | TPM2_PT_PCR_SELECT_MIN: |
| 307 | raw: 0x3 |
| 308 | TPM2_PT_CONTEXT_GAP_MAX: |
| 309 | raw: 0xFFFF |
| 310 | TPM2_PT_NV_COUNTERS_MAX: |
| 311 | raw: 0x0 |
| 312 | TPM2_PT_NV_INDEX_MAX: |
| 313 | raw: 0x640 |
| 314 | TPM2_PT_MEMORY: |
| 315 | raw: 0x6 |
| 316 | TPM2_PT_CLOCK_UPDATE: |
| 317 | raw: 0x400000 |
| 318 | TPM2_PT_CONTEXT_HASH: |
| 319 | raw: 0xB |
| 320 | TPM2_PT_CONTEXT_SYM: |
| 321 | raw: 0x6 |
| 322 | TPM2_PT_CONTEXT_SYM_SIZE: |
| 323 | raw: 0x100 |
| 324 | TPM2_PT_ORDERLY_COUNT: |
| 325 | raw: 0xFF |
| 326 | TPM2_PT_MAX_COMMAND_SIZE: |
| 327 | raw: 0x500 |
| 328 | TPM2_PT_MAX_RESPONSE_SIZE: |
| 329 | raw: 0x400 |
| 330 | TPM2_PT_MAX_DIGEST: |
| 331 | raw: 0x20 |
| 332 | TPM2_PT_MAX_OBJECT_CONTEXT: |
| 333 | raw: 0x320 |
| 334 | TPM2_PT_MAX_SESSION_CONTEXT: |
| 335 | raw: 0x320 |
| 336 | TPM2_PT_PS_FAMILY_INDICATOR: |
| 337 | raw: 0x0 |
| 338 | TPM2_PT_PS_LEVEL: |
| 339 | raw: 0x0 |
| 340 | TPM2_PT_PS_REVISION: |
| 341 | raw: 0x0 |
| 342 | TPM2_PT_PS_DAY_OF_YEAR: |
| 343 | raw: 0x0 |
| 344 | TPM2_PT_PS_YEAR: |
| 345 | raw: 0x0 |
| 346 | TPM2_PT_SPLIT_MAX: |
| 347 | raw: 0x80 |
| 348 | TPM2_PT_TOTAL_COMMANDS: |
| 349 | raw: 0x65 |
| 350 | TPM2_PT_LIBRARY_COMMANDS: |
| 351 | raw: 0x65 |
| 352 | TPM2_PT_VENDOR_COMMANDS: |
| 353 | raw: 0x0 |
| 354 | TPM2_PT_NV_BUFFER_MAX: |
| 355 | raw: 0x400 |
| 356 | TPM2_PT_MODES: |
| 357 | raw: 0x0 |
| 358 | |
| 359 | }}} |
| 360 | |