diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..3e3760376b450b5a9b9e6c9c8ff79d2305903cc0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,125 @@
+# Editors
+.vscode/
+.idea/
+
+# Vagrant
+.vagrant/
+
+# Mac/OSX
+.DS_Store
+
+# Windows
+Thumbs.db
+
+# Source for the following rules: https://raw.githubusercontent.com/github/gitignore/master/Python.gitignore
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
\ No newline at end of file
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000000000000000000000000000000000000..1b43a20857c5fd19de5421b592931db7a423b45b
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,13 @@
+image: "python:3.7"
+
+before_script:
+  - python3 --version
+  - pip3 install -q asn1tools lxml xmlschema
+
+stages:
+  - Check Schemas
+
+checkASN1:
+  stage: Check Schemas
+  script:
+  - python3 testing/check_asn1.py
\ No newline at end of file
diff --git a/testing/check_asn1.py b/testing/check_asn1.py
new file mode 100644
index 0000000000000000000000000000000000000000..494737cbab6f5acf2b1296aa9f163be451f7f8af
--- /dev/null
+++ b/testing/check_asn1.py
@@ -0,0 +1,96 @@
+import logging
+
+from asn1tools import parse_files, compile_dict, ParseError, CompileError
+from glob import glob
+from pathlib import Path
+
+from pprint import pprint
+
+
+def parseASN1File (asnFile):
+    try:
+        parse_files(asnFile)
+    except ParseError as ex:
+        return [ex]
+    return []
+
+
+def parseASN1Files (fileList):
+    if len(fileList) == 0:
+        logging.warning ("No files specified")
+        return {}
+    errors = {}
+    logging.info("Parsing files...")
+    for f in fileList:
+        ex = parseASN1File(f)
+        if ex: 
+            logging.info (f"  {f}: Failed - {ex!r}")
+        else: 
+            logging.info (f"  {f}: OK")            
+        errors[f] = ex
+    return errors
+
+
+def compileASN1Files (fileList):
+    logging.info("Compiling files...")
+    errors = []
+    try:
+        d = parse_files(fileList)
+        for modulename, module in d.items():
+            # Weird fix because the compiler doesn't like RELATIVE-OID as a type
+            # Not sure if the on-the-wire encoding would be affected or not
+            # but for most checking purposes this doesn't matter
+            module['types']["RELATIVE-OID"] = {'type' : 'OBJECT IDENTIFIER'}
+        c = compile_dict(d)
+    except CompileError as ex:
+        logging.info (f"Compiler  error: {ex}")
+        errors.append(ex)
+    except ParseError as ex:
+        logging.info (f"Parse error: {ex}")
+        errors.append(ex)
+    logging.info ("Compiled OK")
+    return errors
+
+
+def validateASN1Files (fileList):
+    parseErrors = parseASN1Files(fileList)
+#    if len(parseErrors > 0):
+#        logging.info ("Abandonding compile due to parse errors")
+#    compileErrors = compileASN1Files(fileList)
+#   leave this for now - TBD
+    compileErrors = []
+    return parseErrors, compileErrors
+
+
+def validateAllASN1FilesInPath (path):
+    p = Path(path)
+    fileGlob = [str(f) for f in  p.rglob('*.asn')]
+    fileGlob += [str(f) for f in p.rglob('*.asn1')]
+    return validateASN1Files(fileGlob)    
+
+
+if __name__ == '__main__':
+    parseErrors, compileErrors = validateAllASN1FilesInPath("./")
+    parseErrorCount = 0
+    print ("ASN.1 Parser checks:")
+    print ("-----------------------------")
+    for filename, errors in parseErrors.items():
+        if len(errors) > 0:
+            parseErrorCount += len(errors)
+            print (f"{filename}: {len(errors)} errors")
+            for error in errors:
+                print ("  " + str(error))
+        else:
+            print (f"{filename}: OK")
+    print ("-----------------------------")
+    print ("ASN.1 Compilation:")
+    print ("-----------------------------")
+    if len(compileErrors) > 0:
+        for error in compileErrors:            
+            print ("  " + str(error))
+    else:
+        print ("Compilation OK")
+    print ("-----------------------------")
+    print (f"{parseErrorCount} parse errors, {len(compileErrors)} compile errors")
+    exit (parseErrorCount + len(compileErrors))
+