diff --git a/.gitignore b/.gitignore
index fe1528e..7f017d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 .venv
 __pycache__
 gen
-original
\ No newline at end of file
+original
+out
+*pb2.py
\ No newline at end of file
diff --git a/Makefile b/Makefile
index caa0832..d4150d5 100644
--- a/Makefile
+++ b/Makefile
@@ -4,4 +4,5 @@ setup-venv:
 setup-python:
 	mkdir -p gen/python
 	protoc --python_out=gen/python crs.proto
-	exit
\ No newline at end of file
+	cp gen/python/crs_pb2.py src/root_store_gen
+	exit
diff --git a/generate_new_pbs.py b/generate_new_pbs.py
deleted file mode 100644
index da4ab3d..0000000
--- a/generate_new_pbs.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import sys
-import os.path as path
-import pathlib
-import importlib.util
-import sys
-import crs_pb2
-def usage():
-    print("Usage: <proto input> <proto output>")
-cwd = path.dirname(path.abspath(sys.argv[0]))
-if len(sys.argv) < 2:
-    usage()
-    exit(-1)
-buf= open(sys.argv[1], 'rb')
-rs = crs_pb2.RootStore()
-rs.ParseFromString(buf.read())
-print(rs.trust_anchors[0])
\ No newline at end of file
diff --git a/myCA.der b/myCA.der
new file mode 100644
index 0000000..46da4a5
Binary files /dev/null and b/myCA.der differ
diff --git a/src/root_store_gen/generate_new_pbs.py b/src/root_store_gen/generate_new_pbs.py
new file mode 100644
index 0000000..d7f9f53
--- /dev/null
+++ b/src/root_store_gen/generate_new_pbs.py
@@ -0,0 +1,34 @@
+import sys
+import os.path as path
+import pathlib
+import importlib.util
+import sys
+import crs_pb2
+def usage():
+    print("Usage: <proto input> <new ca key>... <proto output>")
+cwd = path.dirname(path.abspath(sys.argv[0]))
+if len(sys.argv) < 4:
+    usage()
+    exit(-1)
+cas = []
+for a in sys.argv[2:-1:]:
+    print(f"Registering CA from {a}")
+    cas.append(a)
+outfile = sys.argv[-1]
+print(f"Outputing to: {outfile}")
+out = open(outfile, 'wb')
+buf= open(sys.argv[1], 'rb')
+rs = crs_pb2.RootStore()
+rs.ParseFromString(buf.read())
+for ca in cas:
+    with open(ca, 'rb') as file:
+        print(f"Loading Certificate Authority {ca} into rootstore")
+        der = file.read()
+        next_trust_anchor = crs_pb2.TrustAnchor()
+        next_trust_anchor.Clear()
+        next_trust_anchor.der = der
+        next_trust_anchor.display_name = "Success!"
+        print(next_trust_anchor.constraints)
+        rs.trust_anchors.append(next_trust_anchor)
+out.write(rs.SerializeToString())
+out.close()
\ No newline at end of file
diff --git a/src/root_store_gen/print_pb.py b/src/root_store_gen/print_pb.py
new file mode 100644
index 0000000..634305a
--- /dev/null
+++ b/src/root_store_gen/print_pb.py
@@ -0,0 +1,9 @@
+import crs_pb2
+import sys
+if (len(sys.argv) < 2):
+    print("Usage: <chrome root store protobuf file>")
+    exit(-1)
+rs = crs_pb2.RootStore()
+with open(sys.argv[1], 'rb') as f:
+    rs.ParseFromString(f.read())
+    print(rs)