feat(tpm): add read-only TPM validation

audit/internal/app/app.go

@@ -138,6 +138,7 @@ type satRunner interface {
 	ResetNvidiaGPU(index int) (string, error)
 	RunMemoryAcceptancePack(ctx context.Context, baseDir string, sizeMB, passes int, logFunc func(string)) (string, error)
 	RunStorageAcceptancePack(ctx context.Context, baseDir string, extended bool, logFunc func(string)) (string, error)
+	RunTPMValidationPack(ctx context.Context, baseDir string, logFunc func(string)) (string, error)
 	RunNvidiaConfigCheckPack(ctx context.Context, baseDir string, logFunc func(string)) (string, error)
 	RunPCIeLinkCheckPack(ctx context.Context, baseDir string, logFunc func(string)) (string, error)
 	RunNvidiaPCIeBandwidthPack(ctx context.Context, baseDir string, gpuIndices []int, logFunc func(string)) (string, error)

audit/internal/app/app_packs.go

@@ -258,6 +258,13 @@ func (a *App) RunStorageAcceptancePackResult(baseDir string) (ActionResult, erro
 	return ActionResult{Title: "Storage SAT", Body: satResultBody(path)}, err
 }
 
+func (a *App) RunTPMValidationPackCtx(ctx context.Context, baseDir string, logFunc func(string)) (string, error) {
+	if strings.TrimSpace(baseDir) == "" {
+		baseDir = DefaultSATBaseDir
+	}
+	return a.sat.RunTPMValidationPack(ctx, baseDir, logFunc)
+}
+
 func (a *App) RunNvidiaConfigCheckPackCtx(ctx context.Context, baseDir string, logFunc func(string)) (string, error) {
 	if strings.TrimSpace(baseDir) == "" {
 		baseDir = DefaultSATBaseDir

audit/internal/app/app_test.go

@@ -283,6 +283,10 @@ func (f fakeSAT) RunStorageAcceptancePack(_ context.Context, baseDir string, _ b
 	return f.runStorageFn(baseDir)
 }
 
+func (f fakeSAT) RunTPMValidationPack(_ context.Context, _ string, _ func(string)) (string, error) {
+	return "", nil
+}
+
 func (f fakeSAT) RunNvidiaConfigCheckPack(_ context.Context, baseDir string, _ func(string)) (string, error) {
 	return "", nil
 }

audit/internal/app/assets/README.md

@@ -169,7 +169,7 @@ reading here can be normal driver power management, not a fault),
 speed here, the idle Gen1 reading was power saving — if it stays at Gen1
 under load, that's a real link/riser/slot degradation), `pcie-aer-sysfs.txt`, `kernel-aer-nvidia.txt` (AER/NVRM/Xid-filtered dmesg), `lspci-video-vv.txt`, `systemctl-nvidia-units.txt`. AMD systems get `rocm-smi*.txt` here instead. |
 | `network/` | `ethtool-{info,link,module}.txt` (per-NIC), `mstflint-query.txt` (Mellanox/NVIDIA NICs). |
-| `platform/` | `dmidecode-type{0,1,2}.txt` (BIOS/System/Baseboard), `ipmitool-{fru,sdr,sensor,sel,sel-time}.txt` (BMC), `sensors.json`, `lspci-{nn,vmm,vvv}.txt`. |
+| `platform/` | `dmidecode-type{0,1,2}.txt` (BIOS/System/Baseboard), `ipmitool-{fru,sdr,sensor,sel,sel-time}.txt` (BMC), `tpm-{properties-fixed,pcr-banks,pcr-values,test-result}.txt` (read-only TPM state), `sensors.json`, `lspci-{nn,vmm,vvv}.txt`. |
 
 ## `status/` in detail
 

audit/internal/collector/collector.go

@@ -52,6 +52,7 @@ func Run(_ runtimeenv.Mode) schema.HardwareIngestRequest {
 	snap.PowerSupplies = enrichPSUsWithTelemetry(snap.PowerSupplies, sensorDoc)
 	snap.Sensors = mergeIPMISensors(buildSensorsFromDoc(sensorDoc), collectIPMISensors())
 	snap.EventLogs = append(collectIPMISEL(), collectDmesgErrors()...)
+	snap.PlatformConfig = collectTPMPlatformConfig()
 	finalizeSnapshot(&snap, collectedAt)
 
 	// remaining collectors added in steps 1.8 – 1.10

audit/internal/collector/tpm.go

@@ -0,0 +1,129 @@
+package collector
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+var (
+	tpmGlob = filepath.Glob
+	tpmStat = os.Stat
+	tpmRun  = func(name string, args ...string) ([]byte, error) {
+		return exec.Command(name, args...).Output()
+	}
+)
+
+// collectTPMPlatformConfig records TPM presence and read-only identity data.
+// It never provisions the TPM, changes ownership, writes NV storage, or runs
+// TPM2_SelfTest.
+func collectTPMPlatformConfig() *json.RawMessage {
+	config := map[string]any{"TpmPresent": false, "TpmEnabled": false}
+	devices, _ := tpmGlob("/sys/class/tpm/tpm*")
+	if len(devices) == 0 {
+		return rawPlatformConfig(config)
+	}
+
+	config["TpmPresent"] = true
+	config["TpmEnabled"] = true
+	config["TpmDevice"] = filepath.Base(devices[0])
+	for _, path := range []string{"/dev/tpmrm0", "/dev/tpm0"} {
+		if _, err := tpmStat(path); err == nil {
+			config["TpmInterface"] = path
+			break
+		}
+	}
+
+	out, err := tpmRun("tpm2_getcap", "properties-fixed")
+	if err != nil {
+		return rawPlatformConfig(config)
+	}
+	properties := parseTPMProperties(string(out))
+	if value := tpmPropertyValue(properties, "TPM2_PT_FAMILY_INDICATOR"); value != "" {
+		config["TpmVersion"] = value
+	}
+	if value := tpmManufacturer(properties["TPM2_PT_MANUFACTURER"]); value != "" {
+		config["TpmManufacturer"] = value
+	}
+	firmware1 := tpmPropertyRaw(properties, "TPM2_PT_FIRMWARE_VERSION_1")
+	firmware2 := tpmPropertyRaw(properties, "TPM2_PT_FIRMWARE_VERSION_2")
+	if firmware1 != "" || firmware2 != "" {
+		config["TpmFirmwareVersion"] = strings.Trim(strings.Join([]string{firmware1, firmware2}, "/"), "/")
+	}
+	return rawPlatformConfig(config)
+}
+
+type tpmProperty struct {
+	raw   string
+	value string
+}
+
+func parseTPMProperties(input string) map[string]tpmProperty {
+	properties := make(map[string]tpmProperty)
+	current := ""
+	for _, line := range strings.Split(input, "\n") {
+		trimmed := strings.TrimSpace(line)
+		if strings.HasPrefix(trimmed, "TPM2_PT_") && strings.HasSuffix(trimmed, ":") {
+			current = strings.TrimSuffix(trimmed, ":")
+			continue
+		}
+		if current == "" {
+			continue
+		}
+		property := properties[current]
+		switch {
+		case strings.HasPrefix(trimmed, "raw:"):
+			property.raw = strings.TrimSpace(strings.TrimPrefix(trimmed, "raw:"))
+		case strings.HasPrefix(trimmed, "value:"):
+			property.value = strings.Trim(strings.TrimSpace(strings.TrimPrefix(trimmed, "value:")), `"`)
+		default:
+			continue
+		}
+		properties[current] = property
+	}
+	return properties
+}
+
+func tpmPropertyValue(properties map[string]tpmProperty, name string) string {
+	property := properties[name]
+	if property.value != "" {
+		return property.value
+	}
+	return property.raw
+}
+
+func tpmPropertyRaw(properties map[string]tpmProperty, name string) string {
+	return properties[name].raw
+}
+
+func tpmManufacturer(property tpmProperty) string {
+	if property.value != "" {
+		return property.value
+	}
+	raw := strings.TrimPrefix(property.raw, "0x")
+	value, err := strconv.ParseUint(raw, 16, 32)
+	if err != nil {
+		return ""
+	}
+	bytes := make([]byte, 4)
+	binary.BigEndian.PutUint32(bytes, uint32(value))
+	for _, b := range bytes {
+		if b != 0 && (b < 0x20 || b > 0x7e) {
+			return property.raw
+		}
+	}
+	return strings.TrimRight(string(bytes), "\x00 ")
+}
+
+func rawPlatformConfig(config map[string]any) *json.RawMessage {
+	raw, err := json.Marshal(config)
+	if err != nil {
+		return nil
+	}
+	message := json.RawMessage(raw)
+	return &message
+}

audit/internal/collector/tpm_test.go

@@ -0,0 +1,106 @@
+package collector
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+	"reflect"
+	"testing"
+)
+
+func TestParseTPMProperties(t *testing.T) {
+	properties := parseTPMProperties(`TPM2_PT_FAMILY_INDICATOR:
+  raw: 0x322E3000
+  value: "2.0"
+TPM2_PT_MANUFACTURER:
+  raw: 0x49465800
+  value: "IFX"
+TPM2_PT_FIRMWARE_VERSION_1:
+  raw: 0x0007003F
+TPM2_PT_FIRMWARE_VERSION_2:
+  raw: 0x00100023
+`)
+
+	if got := tpmPropertyValue(properties, "TPM2_PT_FAMILY_INDICATOR"); got != "2.0" {
+		t.Fatalf("family indicator = %q, want 2.0", got)
+	}
+	if got := tpmManufacturer(properties["TPM2_PT_MANUFACTURER"]); got != "IFX" {
+		t.Fatalf("manufacturer = %q, want IFX", got)
+	}
+	if got := tpmPropertyRaw(properties, "TPM2_PT_FIRMWARE_VERSION_1"); got != "0x0007003F" {
+		t.Fatalf("firmware version 1 = %q", got)
+	}
+}
+
+func TestTPMManufacturerDecodesRawVendorID(t *testing.T) {
+	if got := tpmManufacturer(tpmProperty{raw: "0x49465800"}); got != "IFX" {
+		t.Fatalf("manufacturer = %q, want IFX", got)
+	}
+}
+
+func TestCollectTPMPlatformConfig(t *testing.T) {
+	originalGlob, originalStat, originalRun := tpmGlob, tpmStat, tpmRun
+	t.Cleanup(func() {
+		tpmGlob, tpmStat, tpmRun = originalGlob, originalStat, originalRun
+	})
+
+	tpmGlob = func(string) ([]string, error) { return []string{"/sys/class/tpm/tpm0"}, nil }
+	tpmStat = func(path string) (os.FileInfo, error) {
+		if path == "/dev/tpmrm0" {
+			return nil, nil
+		}
+		return nil, os.ErrNotExist
+	}
+	tpmRun = func(name string, args ...string) ([]byte, error) {
+		if name != "tpm2_getcap" || !reflect.DeepEqual(args, []string{"properties-fixed"}) {
+			t.Fatalf("unexpected command: %s %v", name, args)
+		}
+		return []byte(`TPM2_PT_FAMILY_INDICATOR:
+  value: "2.0"
+TPM2_PT_MANUFACTURER:
+  raw: 0x49465800
+TPM2_PT_FIRMWARE_VERSION_1:
+  raw: 0x0007003F
+TPM2_PT_FIRMWARE_VERSION_2:
+  raw: 0x00100023
+`), nil
+	}
+
+	got := decodeTPMConfig(t, collectTPMPlatformConfig())
+	want := map[string]any{
+		"TpmPresent":         true,
+		"TpmEnabled":         true,
+		"TpmDevice":          "tpm0",
+		"TpmInterface":       "/dev/tpmrm0",
+		"TpmVersion":         "2.0",
+		"TpmManufacturer":    "IFX",
+		"TpmFirmwareVersion": "0x0007003F/0x00100023",
+	}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("config = %#v, want %#v", got, want)
+	}
+}
+
+func TestCollectTPMPlatformConfigAbsent(t *testing.T) {
+	originalGlob := tpmGlob
+	t.Cleanup(func() { tpmGlob = originalGlob })
+	tpmGlob = func(string) ([]string, error) { return nil, errors.New("not found") }
+
+	got := decodeTPMConfig(t, collectTPMPlatformConfig())
+	want := map[string]any{"TpmPresent": false, "TpmEnabled": false}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("config = %#v, want %#v", got, want)
+	}
+}
+
+func decodeTPMConfig(t *testing.T, raw *json.RawMessage) map[string]any {
+	t.Helper()
+	if raw == nil {
+		t.Fatal("platform config is nil")
+	}
+	var config map[string]any
+	if err := json.Unmarshal(*raw, &config); err != nil {
+		t.Fatalf("unmarshal config: %v", err)
+	}
+	return config
+}

audit/internal/platform/runtime.go

@@ -17,6 +17,8 @@ var runtimeRequiredTools = []string{
 	"smartctl",
 	"nvme",
 	"ipmitool",
+	"tpm2_getcap",
+	"tpm2_pcrread",
 	"dhclient",
 	"mount",
 }

audit/internal/platform/sat.go

@@ -50,6 +50,9 @@ const (
 	// RAM: memtester 512 MB / 1 pass (extrapolated from validate timing, linear with size).
 	SATEstimatedMemoryStressSec = 140
 
+	// TPM capabilities, PCR values, and existing self-test result queries.
+	SATEstimatedTPMValidateSec = 5
+
 	// NVIDIA dcgmi diag Level 2 (medium), all GPUs simultaneously.
 	SATEstimatedNvidiaGPUValidateSec = 85
 	// NVIDIA dcgmi diag Level 3 (targeted stress), all GPUs simultaneously.

audit/internal/platform/techdump.go

@@ -29,6 +29,10 @@ var techDumpFixedCommands = []struct {
 	{Name: "ipmitool", Args: []string{"sensor"}, File: "ipmitool-sensor.txt"},
 	{Name: "ipmitool", Args: []string{"sel", "list"}, File: "ipmitool-sel.txt"},
 	{Name: "ipmitool", Args: []string{"sel", "time", "get"}, File: "ipmitool-sel-time.txt"},
+	{Name: "tpm2_getcap", Args: []string{"properties-fixed"}, File: "tpm-properties-fixed.txt"},
+	{Name: "tpm2_getcap", Args: []string{"pcrs"}, File: "tpm-pcr-banks.txt"},
+	{Name: "tpm2_pcrread", File: "tpm-pcr-values.txt"},
+	{Name: "tpm2_gettestresult", File: "tpm-test-result.txt"},
 	{Name: "nvme", Args: []string{"list", "-o", "json"}, File: "nvme-list.json"},
 	{Name: "storcli64", Args: []string{"/call/eall/sall", "show", "all", "J"}, File: "storcli64-drives.json"},
 	// storcli2 (Tri-Mode controllers, e.g. SAS3808-iMR/9500 series) needs an

audit/internal/platform/tpm.go

@@ -0,0 +1,19 @@
+package platform
+
+import "context"
+
+// RunTPMValidationPack verifies TPM 2.0 communication using read-only
+// commands. It deliberately excludes SelfTest, provisioning, NV writes, PCR
+// changes, key creation, and ownership operations.
+func (s *System) RunTPMValidationPack(ctx context.Context, baseDir string, logFunc func(string)) (string, error) {
+	return runAcceptancePackCtx(ctx, baseDir, "tpm", tpmValidationJobs(), logFunc)
+}
+
+func tpmValidationJobs() []satJob {
+	return []satJob{
+		{name: "01-properties-fixed.log", cmd: []string{"tpm2_getcap", "properties-fixed"}},
+		{name: "02-pcr-banks.log", cmd: []string{"tpm2_getcap", "pcrs"}},
+		{name: "03-pcr-values.log", cmd: []string{"tpm2_pcrread"}},
+		{name: "04-test-result.log", cmd: []string{"tpm2_gettestresult"}},
+	}
+}

audit/internal/platform/tpm_test.go

@@ -0,0 +1,33 @@
+package platform
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+)
+
+func TestTPMValidationJobsAreReadOnly(t *testing.T) {
+	t.Parallel()
+
+	jobs := tpmValidationJobs()
+	want := [][]string{
+		{"tpm2_getcap", "properties-fixed"},
+		{"tpm2_getcap", "pcrs"},
+		{"tpm2_pcrread"},
+		{"tpm2_gettestresult"},
+	}
+	if len(jobs) != len(want) {
+		t.Fatalf("jobs=%d want %d", len(jobs), len(want))
+	}
+	for index, job := range jobs {
+		if !reflect.DeepEqual(job.cmd, want[index]) {
+			t.Fatalf("jobs[%d].cmd=%v want %v", index, job.cmd, want[index])
+		}
+		joined := strings.ToLower(strings.Join(job.cmd, " "))
+		for _, forbidden := range []string{"selftest", "clear", "changeauth", "nvwrite", "pcrextend", "create"} {
+			if strings.Contains(joined, forbidden) {
+				t.Fatalf("job %q contains state-changing command %q", joined, forbidden)
+			}
+		}
+	}
+}

audit/internal/webui/api.go

@@ -1542,6 +1542,7 @@ func (h *handler) handleAPISystemTimeSync(w http.ResponseWriter, r *http.Request
 
 var standardTools = []string{
 	"dmidecode", "smartctl", "nvme", "lspci", "ipmitool",
+	"tpm2_getcap", "tpm2_pcrread", "tpm2_gettestresult",
 	"nvidia-smi", "dcgmi", "nv-hostengine", "memtester", "stress-ng", "nvtop",
 	"mstflint", "saa",
 }

audit/internal/webui/page_validate.go

@@ -22,6 +22,7 @@ type validateInventory struct {
 	CPU            string
 	Memory         string
 	Storage        string
+	TPM            string
 	NVIDIA         string
 	AMD            string
 	NvidiaGPUCount int
@@ -42,6 +43,7 @@ func validateTotalValidateSec(n int) int {
 	}
 	total := platform.SATEstimatedCPUValidateSec +
 		platform.SATEstimatedMemoryValidateSec +
+		platform.SATEstimatedTPMValidateSec +
 		platform.SATEstimatedNvidiaInterconnectSec +
 		platform.SATEstimatedNvidiaBandwidthSec
 	if n > 0 {
@@ -147,6 +149,12 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
 			`<code>lsblk</code>; NVMe: <code>nvme id-ctrl</code>, <code>nvme smart-log</code>, <code>nvme device-self-test -s 1</code>; SATA/SAS: <code>smartctl -H -A</code>, <code>smartctl -t short</code>`,
 			`~2 min per device (NVMe short self-test; SATA/SAS short self-test — duration device-dependent).`,
 		)) +
+		renderSATCard("tpm", "TPM", "runSAT('tpm')", "", renderValidateCardBody(
+			inv.TPM,
+			`Checks TPM 2.0 communication and reports its fixed properties, allocated PCR banks, current PCR values, and the result of self-tests already performed by the TPM. It does not start a new self-test or change TPM state.`,
+			`<code>tpm2_getcap properties-fixed</code>, <code>tpm2_getcap pcrs</code>, <code>tpm2_pcrread</code>, <code>tpm2_gettestresult</code>`,
+			`Seconds - read-only queries; no ownership, NV, PCR, or key changes.`,
+		)) +
 		`</div>
 <div style="height:1px;background:var(--border);margin:16px 0"></div>
 <div class="card" style="margin-bottom:16px">
@@ -211,7 +219,7 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
 let satES = null;
 ` + satStressModeJS + `
 function satLabels() {
-  return {nvidia:'Validate GPU', 'nvidia-targeted-stress':'NVIDIA Targeted Stress (dcgmi diag targeted_stress)', 'nvidia-targeted-power':'NVIDIA Targeted Power (dcgmi diag targeted_power)', 'nvidia-pulse':'NVIDIA PSU Pulse Test (dcgmi diag pulse_test)', 'nvidia-interconnect':'NVIDIA Interconnect (NCCL all_reduce_perf)', 'nvidia-bandwidth':'NVIDIA Bandwidth (NVBandwidth)', memory:'Validate Memory', storage:'Validate Storage', cpu:'Validate CPU', amd:'Validate AMD GPU', 'amd-mem':'AMD GPU MEM Integrity', 'amd-bandwidth':'AMD GPU MEM Bandwidth'};
+  return {nvidia:'Validate GPU', 'nvidia-targeted-stress':'NVIDIA Targeted Stress (dcgmi diag targeted_stress)', 'nvidia-targeted-power':'NVIDIA Targeted Power (dcgmi diag targeted_power)', 'nvidia-pulse':'NVIDIA PSU Pulse Test (dcgmi diag pulse_test)', 'nvidia-interconnect':'NVIDIA Interconnect (NCCL all_reduce_perf)', 'nvidia-bandwidth':'NVIDIA Bandwidth (NVBandwidth)', memory:'Validate Memory', storage:'Validate Storage', tpm:'Validate TPM (read-only)', cpu:'Validate CPU', amd:'Validate AMD GPU', 'amd-mem':'AMD GPU MEM Integrity', 'amd-bandwidth':'AMD GPU MEM Bandwidth'};
 }
 let satNvidiaGPUsPromise = null;
 function loadSatNvidiaGPUs() {
@@ -416,7 +424,7 @@ function runAllSAT() {
   const status = document.getElementById('sat-all-status');
   status.textContent = 'Enqueuing...';
   const stressOnlyTargets = ['nvidia-targeted-stress', 'nvidia-targeted-power', 'nvidia-pulse'];
-  const baseTargets = ['nvidia','nvidia-targeted-stress','nvidia-targeted-power','nvidia-pulse','nvidia-interconnect','nvidia-bandwidth','memory','storage','cpu'].concat(selectedAMDValidateTargets());
+  const baseTargets = ['nvidia','nvidia-targeted-stress','nvidia-targeted-power','nvidia-pulse','nvidia-interconnect','nvidia-bandwidth','memory','storage','tpm','cpu'].concat(selectedAMDValidateTargets());
   const activeTargets = baseTargets.filter(target => {
     if (stressOnlyTargets.indexOf(target) >= 0 && !satStressMode()) return false;
     const btn = document.getElementById('sat-btn-' + target);
@@ -498,6 +506,7 @@ func loadValidateInventory(opts HandlerOptions) validateInventory {
 		CPU:     unknown,
 		Memory:  unknown,
 		Storage: unknown,
+		TPM:     unknown,
 		NVIDIA:  unknown,
 		AMD:     unknown,
 	}
@@ -561,6 +570,7 @@ func loadValidateInventory(opts HandlerOptions) validateInventory {
 	out.CPU = formatValidateDeviceSummary(cpuTotal, cpuCounts, "CPU")
 	out.Memory = formatValidateDeviceSummary(memTotal, memCounts, "module")
 	out.Storage = formatValidateDeviceSummary(storageTotal, storageCounts, "device")
+	out.TPM = formatValidateTPMSummary(snap.Hardware.PlatformConfig)
 	out.NVIDIA = formatValidateDeviceSummary(nvidiaTotal, nvidiaCounts, "GPU")
 	out.AMD = formatValidateDeviceSummary(amdTotal, amdCounts, "GPU")
 	out.NvidiaGPUCount = nvidiaTotal
@@ -568,6 +578,30 @@ func loadValidateInventory(opts HandlerOptions) validateInventory {
 	return out
 }
 
+func formatValidateTPMSummary(raw *json.RawMessage) string {
+	if raw == nil {
+		return "TPM presence was not collected."
+	}
+	var config map[string]any
+	if err := json.Unmarshal(*raw, &config); err != nil {
+		return "TPM presence was not collected."
+	}
+	present, ok := config["TpmPresent"].(bool)
+	if !ok {
+		return "TPM presence was not collected."
+	}
+	if !present {
+		return "No TPM detected."
+	}
+	parts := []string{"TPM detected"}
+	for _, key := range []string{"TpmVersion", "TpmManufacturer", "TpmFirmwareVersion", "TpmInterface"} {
+		if value, ok := config[key].(string); ok && strings.TrimSpace(value) != "" {
+			parts = append(parts, html.EscapeString(value))
+		}
+	}
+	return strings.Join(parts, " / ")
+}
+
 func renderValidateCardBody(devices, description, commands, settings string) string {
 	return `<div class="validate-card-section"><div style="font-size:13px;color:var(--muted)">` + devices + `</div></div>` +
 		`<div class="validate-card-section"><div style="font-size:13px">` + description + `</div></div>` +
@@ -665,6 +699,12 @@ func renderCheck(opts HandlerOptions) string {
 			`<code>lsblk</code>; NVMe: <code>nvme id-ctrl</code>, <code>nvme smart-log</code>; SATA/SAS: <code>smartctl -H -A</code>`,
 			`Seconds — instantaneous device query, no wear counters incremented.`,
 		)) +
+		renderSATCard("tpm", "TPM", "runSAT('tpm')", "", renderValidateCardBody(
+			inv.TPM,
+			`Checks TPM 2.0 communication and reads fixed properties, allocated PCR banks, current PCR values, and the result of self-tests already performed by the TPM. It never starts a new self-test.`,
+			`<code>tpm2_getcap properties-fixed</code>, <code>tpm2_getcap pcrs</code>, <code>tpm2_pcrread</code>, <code>tpm2_gettestresult</code>`,
+			`Seconds - read-only queries; no ownership, NV, PCR, or key changes.`,
+		)) +
 		renderSATCard("nvidia-config", "GPU Config & NVLink", "runSAT('nvidia-config')", "", renderValidateCardBody(
 			inv.NVIDIA,
 			`Checks GPU configuration and NVLink topology that DCGM diag does not cover: ECC/MIG/power-limit drift from factory default, NVLink-bonded pair link count and error counters, and (informational) NVIDIA Confidential Computing readiness (CPU TEE support + GPU firmware CC capability). Read-only — changes nothing.`,
@@ -744,7 +784,7 @@ func renderCheck(opts HandlerOptions) string {
 <script>
 let satES = null;
 function satLabels() {
-  return {nvidia:'Check GPU (DCGM L2)', 'nvidia-interconnect':'NVIDIA Interconnect (NCCL)', 'nvidia-bandwidth':'NVIDIA Bandwidth (NVBandwidth)', memory:'Check Memory', storage:'Check Storage', cpu:'Check CPU', amd:'Check AMD GPU', 'amd-mem':'AMD GPU MEM Integrity', 'amd-bandwidth':'AMD GPU MEM Bandwidth', 'nvidia-config':'Check GPU Config & NVLink', 'pcie-link':'PCIe Link Check', 'nvidia-pcie-bandwidth':'GPU PCIe Bandwidth Check'};
+  return {nvidia:'Check GPU (DCGM L2)', 'nvidia-interconnect':'NVIDIA Interconnect (NCCL)', 'nvidia-bandwidth':'NVIDIA Bandwidth (NVBandwidth)', memory:'Check Memory', storage:'Check Storage', tpm:'Check TPM (read-only)', cpu:'Check CPU', amd:'Check AMD GPU', 'amd-mem':'AMD GPU MEM Integrity', 'amd-bandwidth':'AMD GPU MEM Bandwidth', 'nvidia-config':'Check GPU Config & NVLink', 'pcie-link':'PCIe Link Check', 'nvidia-pcie-bandwidth':'GPU PCIe Bandwidth Check'};
 }
 let satNvidiaGPUsPromise = null;
 function loadSatNvidiaGPUs() {
@@ -880,7 +920,7 @@ function runAllCheckSAT() {
   status.textContent = 'Enqueuing...';
   const nvidiaIndices = satSelectedGPUIndices();
   const nvidiaAllTargets = ['nvidia', 'nvidia-interconnect', 'nvidia-bandwidth', 'nvidia-pcie-bandwidth'];
-  const baseTargets = ['cpu', 'memory', 'storage', 'nvidia-config', 'pcie-link'];
+  const baseTargets = ['cpu', 'memory', 'storage', 'tpm', 'nvidia-config', 'pcie-link'];
   const amdTargets = selectedAMDValidateTargets();
   const expanded = [];
   baseTargets.forEach(t => expanded.push({target: t}));

audit/internal/webui/page_validate_test.go

@@ -0,0 +1,49 @@
+package webui
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+)
+
+func TestFormatValidateTPMSummary(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name string
+		raw  string
+		want string
+	}{
+		{name: "absent", raw: `{"TpmPresent":false}`, want: "No TPM detected."},
+		{name: "present", raw: `{"TpmPresent":true,"TpmVersion":"2.0","TpmManufacturer":"IFX","TpmFirmwareVersion":"7.63","TpmInterface":"/dev/tpmrm0"}`, want: "TPM detected / 2.0 / IFX / 7.63 / /dev/tpmrm0"},
+		{name: "legacy snapshot", raw: `{}`, want: "TPM presence was not collected."},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			raw := json.RawMessage(tt.raw)
+			if got := formatValidateTPMSummary(&raw); got != tt.want {
+				t.Fatalf("summary=%q want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestRenderCheckIncludesReadOnlyTPMValidation(t *testing.T) {
+	t.Parallel()
+
+	page := renderCheck(HandlerOptions{})
+	for _, want := range []string{
+		`id="sat-btn-tpm"`,
+		`tpm2_getcap properties-fixed`,
+		`tpm2_pcrread`,
+		`tpm2_gettestresult`,
+		`'storage', 'tpm', 'nvidia-config'`,
+	} {
+		if !strings.Contains(page, want) {
+			t.Fatalf("check page does not contain %q", want)
+		}
+	}
+	if strings.Contains(page, "tpm2_selftest") {
+		t.Fatal("check page must not offer tpm2_selftest")
+	}
+}

audit/internal/webui/server.go

@@ -264,6 +264,7 @@ func NewHandler(opts HandlerOptions) http.Handler {
 	mux.HandleFunc("POST /api/sat/nvidia-stress/run", h.handleAPISATRun("nvidia-stress"))
 	mux.HandleFunc("POST /api/sat/memory/run", h.handleAPISATRun("memory"))
 	mux.HandleFunc("POST /api/sat/storage/run", h.handleAPISATRun("storage"))
+	mux.HandleFunc("POST /api/sat/tpm/run", h.handleAPISATRun("tpm"))
 	mux.HandleFunc("POST /api/sat/nvidia-config/run", h.handleAPISATRun("nvidia-config"))
 	mux.HandleFunc("POST /api/sat/pcie-link/run", h.handleAPISATRun("pcie-link"))
 	mux.HandleFunc("POST /api/sat/nvidia-pcie-bandwidth/run", h.handleAPISATRun("nvidia-pcie-bandwidth"))

audit/internal/webui/task_runner.go

@@ -288,6 +288,12 @@ func executeTaskWithOptions(opts *HandlerOptions, t *Task, j *jobState, ctx cont
 			break
 		}
 		archive, err = runStorageAcceptancePackCtx(a, ctx, "", t.params.StressMode, j.append)
+	case "tpm":
+		if a == nil {
+			err = fmt.Errorf("app not configured")
+			break
+		}
+		archive, err = runTPMValidationPackCtx(a, ctx, "", j.append)
 	case "nvidia-config":
 		if a == nil {
 			err = fmt.Errorf("app not configured")

audit/internal/webui/tasks.go

@@ -45,6 +45,7 @@ var taskNames = map[string]string{
 	"nvidia-stress":          "NVIDIA GPU Stress",
 	"memory":                 "Memory SAT",
 	"storage":                "Storage SAT",
+	"tpm":                    "TPM Read-only Check",
 	"nvidia-config":          "GPU Config & NVLink Check",
 	"pcie-link":              "PCIe Link Check (forced retrain)",
 	"nvidia-pcie-bandwidth":  "NVIDIA GPU PCIe Bandwidth Check",
@@ -316,6 +317,9 @@ var (
 	runStorageAcceptancePackCtx = func(a *app.App, ctx context.Context, baseDir string, extended bool, logFunc func(string)) (string, error) {
 		return a.RunStorageAcceptancePackCtx(ctx, baseDir, extended, logFunc)
 	}
+	runTPMValidationPackCtx = func(a *app.App, ctx context.Context, baseDir string, logFunc func(string)) (string, error) {
+		return a.RunTPMValidationPackCtx(ctx, baseDir, logFunc)
+	}
 	runNvidiaConfigCheckPackCtx = func(a *app.App, ctx context.Context, baseDir string, logFunc func(string)) (string, error) {
 		return a.RunNvidiaConfigCheckPackCtx(ctx, baseDir, logFunc)
 	}