use ibmswtpm2 simulator

Author: aidangarske

.github/workflows/tpm-ssh.yml

@@ -37,14 +37,6 @@ jobs:
             libcmocka-dev libssl-dev uthash-dev libglib2.0-dev \
             tpm2-tools
 
-    # Clone and build Microsoft TPM 2.0 Reference Implementation
-    - name: Clone and Build TPM Simulator
-      run: |
-        git clone https://github.com/microsoft/ms-tpm-20-ref.git
-        cd ms-tpm-20-ref/Samples/Simulator
-        make
-        cd ../../..
-
     # Build and install wolfSSL
     - name: Build wolfSSL
       run: |
@@ -78,14 +70,14 @@ jobs:
         sudo ldconfig
         cd ..
 
-    # Start TPM simulator
-    - name: Start TPM Simulator
+    # Clone, build, and start TPM Simulator
+    - name: Clone and Build TPM Simulator
       run: |
-        cd ms-tpm-20-ref/Samples/Simulator
-        ./tpm_simulator &
-        sleep 2  # Give the simulator time to start
-        tpm2_getrandom --hex 8  # Verify TPM is working
-        cd ../../../
+        git clone https://github.com/kgoldman/ibmswtpm2
+        cd ibmswtpm2/src
+        make
+        ./tpm_server & sleep 2
+        cd ../..
 
     # Test TPM SSH Default Password
     - name: Test TPM SSH Default Password
@@ -119,13 +111,11 @@ jobs:
       run: |
         kill $SERVER_PID
         sleep 2
-        pkill -f tpm_simulator
+        pkill -f tpm_server
         sleep 2
-        cd ms-tpm-20-ref/Samples/Simulator
-        ./tpm_simulator &
-        sleep 2  # Give the simulator time to start
-        tpm2_getrandom --hex 8  # Verify TPM is working
-        cd ../../../
+        cd ibmswtpm2/src
+        ./tpm_server & sleep 2
+        cd ../..
 
     # Test the TPM SSH Custom Password
     - name: Test TPM SSH Custom Password
@@ -156,7 +146,7 @@ jobs:
 
         # Cleanup
         kill $SERVER_PID
-        pkill -f tpm_simulator
+        pkill -f tpm_server
 
     # Archive artifacts for debugging
     - name: Archive test artifacts