Certipy

A simple python tool for creating certificate authorities and certificates on the fly.

Introduction

Certipy was made to simplify the certificate creation process. To that end, Certipy exposes methods for creating and managing certificate authorities, certificates, signing and building trust bundles. Behind the scenes Certipy:

• Manages records of all certificates it creates

  • External certs can be imported and managed by Certipy
  • Maintains signing hierarchy

• Persists certificates to files with appropriate permissions

Usage

Command line

Creating a certificate authority:

Certipy defaults to writing certs and certipy.json into a folder called
``out`` in your current directory.

::

   $ certipy foo
   FILES {'ca': '', 'cert': 'out/foo/foo.crt', 'key': 'out/foo/foo.key'}
   IS_CA True
   SERIAL 0
   SIGNEES None
   PARENT_CA

Creating and signing a key-cert pair:

::

   $ certipy bar --ca-name foo
   FILES {'ca': 'out/foo/foo.crt', 'key': 'out/bar/bar.key', 'cert': 'out/bar/bar.crt'}
   IS_CA False
   SERIAL 0
   SIGNEES None
   PARENT_CA foo

Removal:

::

   certipy --rm bar
   Deleted:
   FILES {'ca': 'out/foo/foo.crt', 'key': 'out/bar/bar.key', 'cert': 'out/bar/bar.crt'}
   IS_CA False
   SERIAL 0
   SIGNEES None
   PARENT_CA foo

Code
~~~~

Creating a certificate authority:

::

   from certipy import Certipy

   certipy = Certipy(store_dir='/tmp')
   certipy.create_ca('foo')
   record = certipy.store.get_record('foo')

Creating and signing a key-cert pair:

::

   certipy.create_signed_pair('bar', 'foo')
   record = certipy.store.get_record('bar')

Creating trust:

::

   certipy.create_ca_bundle('ca-bundle.crt')

   # or to trust specific certs only:
   certipy.create_ca_bundle_for_names('ca-bundle.crt', ['bar'])

Removal:

::

   record = certipy.remove_files('bar')

Records are dicts with the following structure:

::

   {
     'serial': 0,
     'is_ca': true,
     'parent_ca': 'ca_name',
     'signees': {
       'signee_name': 1
     },
     'files': {
       'key': 'path/to/key.key',
       'cert': 'path/to/cert.crt',
       'ca': 'path/to/ca.crt',
     }
   }

The ``signees`` will be empty for non-CA certificates. The ``signees``
field is stored as a python ``Counter``. These relationships are used to
build trust bundles.

Information in Certipy is generally passed around as records which point
to actual files. For most ``_record`` methods, there are generally
equivalent ``_file`` methods that operate on files themselves. The
former will only affect records in Certipy’s store and the latter will
affect both (something happens to the file, the record for it should
change, too).

Release
~~~~~~~

Certipy is released under BSD license. For more details see the LICENSE
file.

LLNL-CODE-754897