* Descriptive errors, like ``pyderasn.DecodeError: UTCTime
(tbsCertificate:validity:notAfter:utcTime) (at 328) invalid UTCTime format``
* ``__slots__`` friendliness
-* :ref:`Pretty printer <pprinting>` and
- :ref:`command-line decoder <cmdline>`, that could
- conveniently replace utilities like either ``dumpasn1`` or
- ``openssl asn1parse``
* Could be significantly faster and have lower memory usage.
For example parsing of CACert.org's CRL (8.48 MiB) on FreeBSD 12.0
amd64, Intel Core i5-6200U 2.3 GHz machine, Python 3.5.5/2.7.15:
converted ``pyasn1`` scheme definition)
- 27.6 / 32.5
- 498 / 488
+* :ref:`Pretty printer <pprinting>` and
+ :ref:`command-line decoder <cmdline>`, that could
+ conveniently replace utilities like either ``dumpasn1`` or
+ ``openssl asn1parse``
+
+ .. figure:: pprinting.png
+ :alt: Pretty printing example output
+
+ An example of pretty printed X.509 certificate with automatically
+ parsed DEFINED BY fields.
There are drawbacks: