use swtpm instead of ibmswtpm

Author: aidangarske

.github/workflows/tpm-ssh.yml

@@ -33,7 +33,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install -y libtool automake autoconf
-        sudo apt-get install -y ibmswtpm2
+        sudo apt-get install -y swtpm
 
     # Build and install wolfSSL
     - name: Build wolfSSL
@@ -71,7 +71,9 @@ jobs:
     # Start TPM simulator
     - name: Start TPM Simulator
       run: |
-        tpm_server &
+        mkdir -p /tmp/tpmdir
+        chmod 777 /tmp/tpmdir
+        swtpm socket --tpmstate dir=/tmp/tpmdir --tpm2 --ctrl type=tcp,port=2322 --server type=tcp,port=2321 &
         sleep 2  # Give the simulator time to start
 
     # Test TPM SSH Default Password
@@ -106,9 +108,11 @@ jobs:
       run: |
         kill $SERVER_PID
         sleep 2
-        pkill -f tpm_server
+        pkill -f swtpm
         sleep 2
-        tpm_server &
+        mkdir -p /tmp/tpmdir
+        chmod 777 /tmp/tpmdir
+        swtpm socket --tpmstate dir=/tmp/tpmdir --tpm2 --ctrl type=tcp,port=2322 --server type=tcp,port=2321 &
         sleep 2  # Give the simulator time to start
 
     # Test the TPM SSH Custom Password
@@ -140,7 +144,7 @@ jobs:
 
         # Cleanup
         kill $SERVER_PID
-        pkill -f tpm_server
+        pkill -f swtpm
 
     # Archive artifacts for debugging
     - name: Archive test artifacts