1  #!/bin/bash
 2  
 3  # detect-tpm-capabilities.sh
 4  # Detect and report TPM hardware capabilities
 5  
 6  echo "=== TPM Hardware Detection ==="
 7  
 8  # Check for TPM devices
 9  echo "TPM Devices:"
10  ls -la /dev/tpm* 2>/dev/null || echo "  No TPM devices found"
11  
12  # Check TPM version if available
13  if command -v tpm2_getcap >/dev/null 2>&1; then
14      echo ""
15      echo "TPM Capabilities:"
16      tpm2_getcap properties-fixed 2>/dev/null || echo "  Cannot query TPM capabilities"
17  fi
18  
19  # Check systemd-tpm status
20  if systemctl is-active systemd-tpm2-generator >/dev/null 2>&1; then
21      echo ""
22      echo "systemd TPM2 support: Active"
23  else
24      echo ""
25      echo "systemd TPM2 support: Not active"
26  fi
27  
28  # Check kernel TPM support
29  echo ""
30  echo "Kernel TPM Support:"
31  if [ -d "/sys/class/tpm" ]; then
32      ls -la /sys/class/tpm/
33  else
34      echo "  No kernel TPM support detected"
35  fi