diff --git a/mayan/apps/django_gpg/api.py b/mayan/apps/django_gpg/api.py
index 8749d1f5db..d07f86c8e0 100644
--- a/mayan/apps/django_gpg/api.py
+++ b/mayan/apps/django_gpg/api.py
@@ -15,66 +15,12 @@ import gnupg
 from django.utils.translation import ugettext_lazy as _
 
 from .exceptions import (GPGVerificationError, GPGSigningError,
-    GPGDecryptionError, KeyDeleteError, KeyGenerationError,
-    KeyFetchingError, KeyDoesNotExist, KeyImportError)
+                         GPGDecryptionError, KeyDeleteError, KeyGenerationError,
+                         KeyFetchingError, KeyDoesNotExist, KeyImportError)
+from .literals import KEY_TYPES
 
 logger = logging.getLogger(__name__)
 
-KEY_TYPES = {
-    'pub': _(u'Public'),
-    'sec': _(u'Secret'),
-}
-
-KEY_CLASS_RSA = 'RSA'
-KEY_CLASS_DSA = 'DSA'
-KEY_CLASS_ELG = 'ELG-E'
-
-KEY_PRIMARY_CLASSES = (
-    ((KEY_CLASS_RSA), _(u'RSA')),
-    ((KEY_CLASS_DSA), _(u'DSA')),
-)
-
-KEY_SECONDARY_CLASSES = (
-    ((KEY_CLASS_RSA), _(u'RSA')),
-    ((KEY_CLASS_ELG), _(u'Elgamal')),
-)
-
-KEYSERVER_DEFAULT_PORT = 11371
-
-SIGNATURE_STATE_BAD = 'signature bad'
-SIGNATURE_STATE_NONE = None
-SIGNATURE_STATE_ERROR = 'signature error'
-SIGNATURE_STATE_NO_PUBLIC_KEY = 'no public key'
-SIGNATURE_STATE_GOOD = 'signature good'
-SIGNATURE_STATE_VALID = 'signature valid'
-
-SIGNATURE_STATES = {
-    SIGNATURE_STATE_BAD: {
-        'text': _(u'Bad signature.'),
-        'icon': 'cross.png'
-    },
-    SIGNATURE_STATE_NONE: {
-        'text': _(u'Document not signed or invalid signature.'),
-        'icon': 'cross.png'
-    },
-    SIGNATURE_STATE_ERROR: {
-        'text': _(u'Signature error.'),
-        'icon': 'cross.png'
-    },
-    SIGNATURE_STATE_NO_PUBLIC_KEY: {
-        'text': _(u'Document is signed but no public key is available for verification.'),
-        'icon': 'user_silhouette.png'
-    },
-    SIGNATURE_STATE_GOOD: {
-        'text': _(u'Document is signed, and signature is good.'),
-        'icon': 'document_signature.png'
-    },
-    SIGNATURE_STATE_VALID: {
-        'text': _(u'Document is signed with a valid signature.'),
-        'icon': 'document_signature.png'
-    },
-}
-
 
 class Key(object):
     @staticmethod
diff --git a/mayan/apps/django_gpg/literals.py b/mayan/apps/django_gpg/literals.py
new file mode 100644
index 0000000000..88f306fe24
--- /dev/null
+++ b/mayan/apps/django_gpg/literals.py
@@ -0,0 +1,58 @@
+from __future__ import unicode_literals
+
+from django.utils.translation import ugettext_lazy as _
+
+KEY_TYPES = {
+    'pub': _('Public'),
+    'sec': _('Secret'),
+}
+
+KEY_CLASS_RSA = 'RSA'
+KEY_CLASS_DSA = 'DSA'
+KEY_CLASS_ELG = 'ELG-E'
+
+KEY_PRIMARY_CLASSES = (
+    ((KEY_CLASS_RSA), _('RSA')),
+    ((KEY_CLASS_DSA), _('DSA')),
+)
+
+KEY_SECONDARY_CLASSES = (
+    ((KEY_CLASS_RSA), _('RSA')),
+    ((KEY_CLASS_ELG), _('Elgamal')),
+)
+
+KEYSERVER_DEFAULT_PORT = 11371
+
+SIGNATURE_STATE_BAD = 'signature bad'
+SIGNATURE_STATE_NONE = None
+SIGNATURE_STATE_ERROR = 'signature error'
+SIGNATURE_STATE_NO_PUBLIC_KEY = 'no public key'
+SIGNATURE_STATE_GOOD = 'signature good'
+SIGNATURE_STATE_VALID = 'signature valid'
+
+SIGNATURE_STATES = {
+    SIGNATURE_STATE_BAD: {
+        'text': _('Bad signature.'),
+        'icon': 'cross.png'
+    },
+    SIGNATURE_STATE_NONE: {
+        'text': _('Document not signed or invalid signature.'),
+        'icon': 'cross.png'
+    },
+    SIGNATURE_STATE_ERROR: {
+        'text': _('Signature error.'),
+        'icon': 'cross.png'
+    },
+    SIGNATURE_STATE_NO_PUBLIC_KEY: {
+        'text': _('Document is signed but no public key is available for verification.'),
+        'icon': 'user_silhouette.png'
+    },
+    SIGNATURE_STATE_GOOD: {
+        'text': _('Document is signed, and signature is good.'),
+        'icon': 'document_signature.png'
+    },
+    SIGNATURE_STATE_VALID: {
+        'text': _('Document is signed with a valid signature.'),
+        'icon': 'document_signature.png'
+    },
+}
diff --git a/mayan/apps/document_signatures/views.py b/mayan/apps/document_signatures/views.py
index bd6449d0f1..addc3fcfeb 100644
--- a/mayan/apps/document_signatures/views.py
+++ b/mayan/apps/document_signatures/views.py
@@ -14,9 +14,9 @@ from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
 from acls.models import AccessEntry
-from filetransfers.api import serve_file
-from django_gpg.api import SIGNATURE_STATE_NONE, SIGNATURE_STATES
+from django_gpg.literals import SIGNATURE_STATE_NONE, SIGNATURE_STATES
 from documents.models import Document, RecentDocument
+from filetransfers.api import serve_file
 from permissions.models import Permission
 
 from . import (PERMISSION_DOCUMENT_VERIFY, PERMISSION_SIGNATURE_UPLOAD,