From b3160726b5f1aaf721569018291e9bc6b25a9ab7 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Thu, 6 Feb 2020 15:11:08 +0300
Subject: [PATCH] .hexencode, .hexdecode, .hexdecod

---
 doc/news.rst           |  2 ++
 pyderasn.py            | 15 +++++++++++++++
 tests/test_pyderasn.py | 10 +++++-----
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/doc/news.rst b/doc/news.rst
index 60247ba..7d60369 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -12,6 +12,8 @@ News
 * All objects are friendly to ``pickle`` libraries
 * ``PrintableString`` has ``allow_asterisk`` and ``allow_ampersand``
   property
+* ``.hexencode()``, ``.hexdecode()`` and ``.hexdecod()`` methods
+  appeared, working with hexadecimal encoded data
 
 .. _release5.6:
 
diff --git a/pyderasn.py b/pyderasn.py
index 8ae9d6e..9635e71 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -1179,6 +1179,11 @@ class Obj(object):
             return raw
         return b"".join((self._expl, len_encode(len(raw)), raw))
 
+    def hexencode(self):
+        """Do hexadecimal encoded :py:meth:`pyderasn.Obj.encode`
+        """
+        return hexenc(self.encode())
+
     def decode(
             self,
             data,
@@ -1323,6 +1328,16 @@ class Obj(object):
             raise ExceedingData(len(tail))
         return obj
 
+    def hexdecode(self, data, *args, **kwargs):
+        """Do :py:meth:`pyderasn.Obj.decode` with hexadecimal decoded data
+        """
+        return self.decode(hexdec(data), *args, **kwargs)
+
+    def hexdecod(self, data, *args, **kwargs):
+        """Do :py:meth:`pyderasn.Obj.decod` with hexadecimal decoded data
+        """
+        return self.decod(hexdec(data), *args, **kwargs)
+
     @property
     def expled(self):
         """See :ref:`decoding`
diff --git a/tests/test_pyderasn.py b/tests/test_pyderasn.py
index 010b17f..1a7ed2c 100644
--- a/tests/test_pyderasn.py
+++ b/tests/test_pyderasn.py
@@ -587,10 +587,10 @@ class TestBoolean(CommonMixin, TestCase):
             repr(obj_expled)
             list(obj_expled.pps())
             pprint(obj_expled, big_blobs=True, with_decode_path=True)
-            obj_expled_encoded = obj_expled.encode()
+            obj_expled_hex_encoded = obj_expled.hexencode()
             ctx_copied = deepcopy(ctx_dummy)
-            obj_decoded, tail = obj_expled.decode(
-                obj_expled_encoded + tail_junk,
+            obj_decoded, tail = obj_expled.hexdecode(
+                obj_expled_hex_encoded + hexenc(tail_junk),
                 offset=offset,
                 ctx=ctx_copied,
             )
@@ -603,7 +603,7 @@ class TestBoolean(CommonMixin, TestCase):
             self.assertNotEqual(obj_decoded, obj)
             self.assertEqual(bool(obj_decoded), bool(obj_expled))
             self.assertEqual(bool(obj_decoded), bool(obj))
-            self.assertSequenceEqual(obj_decoded.encode(), obj_expled_encoded)
+            self.assertSequenceEqual(obj_decoded.hexencode(), obj_expled_hex_encoded)
             self.assertSequenceEqual(obj_decoded.expl_tag, tag_expl)
             self.assertEqual(obj_decoded.expl_tlen, len(tag_expl))
             self.assertEqual(
@@ -619,7 +619,7 @@ class TestBoolean(CommonMixin, TestCase):
             self.assertEqual(obj_decoded.expl_offset, offset)
             assert_exceeding_data(
                 self,
-                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                lambda: obj_expled.hexdecod(obj_expled_hex_encoded + hexenc(tail_junk)),
                 tail_junk,
             )
 
-- 
2.44.0