fix(chore): Fix for z17 Lpar

This fix is needed to generate correct ibmse-policy.rego for the z17 lpars

Author: eshantatIBM

scripts/rvps-extraction/GetRvps.sh

@@ -137,9 +137,15 @@ do
             se_tag=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.tag | awk -F ":" '{ print $2 }')
             se_image_phkh=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.image_phkh | awk -F ":" '{ print $2 }')
 
+            # copy attestation phkh if image phkh is unavailable ex. with machine specific HKD
+            if [ -z "${se_image_phkh}" ]; then
+               se_image_phkh=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.attestation_phkh | awk -F ":" '{ print $2 }')
+            fi
+
             echo "se.tag: $se_tag"
             echo "se.image_phkh: $se_image_phkh"
 
+
             generate_policy_files $se_tag $se_image_phkh
 
             provenance=$(cat $PWD/output-files/se-sample | base64 --wrap=0)
@@ -185,6 +191,11 @@ EOF
             se_tag=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.tag | awk -F ":" '{ print $2 }')
             se_image_phkh=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.image_phkh | awk -F ":" '{ print $2 }')
 
+             # copy attestation phkh if image phkh is unavailable ex. with machine specific HKD
+            if [ -z "${se_image_phkh}" ]; then
+               se_image_phkh=$(python3 $PWD/static-files/se_parse_hdr.py $PWD/output-files/hdr.bin $PWD/static-files/HKD.crt | grep se.attestation_phkh | awk -F ":" '{ print $2 }')
+            fi
+
             echo "se.tag: $se_tag"
             echo "se.image_phkh: $se_image_phkh"