8 * Strictly check that tag's long encoded form does not contain leading zero
15 * Proper strict alphabet validation of VisibleString
16 * VisibleString and IA5String also have ``allowable_chars`` property
17 * Fixed TeletexString, T61String use ``iso-8859-1`` encoding (instead of
18 ``ascii``), because they are 8-bit encodings
24 * Also print full TLVlen in ASN.1 browser
31 * Fix DEFINED BY pprinting when invoking as __main__ module
32 * Integer has ``tohex()`` for getting hexadecimal representation of its value
33 * ``hexdump()`` (``hexdump -C`` like output) and ``ascii_visualize()``
34 (visualize ASCII printable characters, like in ``hexdump -C``) pretty
35 printing functions appeared
36 * Experimental ASN.1 interactive terminal browser (``--browse`` and
38 You will need `urwid package <http://urwid.org/>`__ to use it
45 * SEQUENCE/SET fully performs default value existence validation in
46 evgen mode, by the cost of DEFAULTed value full decoding. That should
47 not be the problem, as DEFAULTs are relatively small in practice. Now
48 evgen mode has the same DER validation strictness as an ordinary one
55 * Restored workability of some command line options
56 * 2-pass DER encoding mode with very little memory footprint
69 * Fixed invalid behaviour where SET OF allowed multiple objects with the
70 same tag to be successfully decoded
71 * Fixed possibly invalid SET DER encoding where objects were not sorted
72 by tag, but by encoded representation
73 * ``Any`` does not allow empty data value now. Now it checks if it has
75 * ``SetOf`` is not treated as ready, if no value was set and minimum
76 bounds are greater than zero
77 * ``Any`` allows an ordinary ``Obj`` storing, without its forceful
78 encoded representation storage. That is required for CER encoding
79 mode, where we do not know in advance what encoding will be used
80 * ``ObjectIdentifier`` stores values as C unsigned long integer,
81 forbidding storage of huge integers, that must not be a problem in
83 * Initial support for so called ``evgen_mode``: event generation mode,
84 where no in-memory objects storing happens, giving ability to process
85 ASN.1 data without fully parsing it first. ``python -m pyderasn`` has
86 ``--evgen`` mode switcher
87 * Useful ``agg_octet_string`` that is able to streamingly decode string
88 from events of ``evgen_mode``, allowing strings retrieving without
89 copying them to memory first
90 * Initial experimental CER encoding mode, allowing streaming encoding of
91 the data directly to some writeable object
92 * Ability to use mmap-ed memoryviews to skip files loading to memory
93 * Ability to use memoryview as an input for \*Strings. If they are
94 mmap-ed, then you can encode any quantities of data streamingly
95 without copying to memory
101 * Fixed workability under Python 3.5. Previously only 2.7 and 3.6
108 * Python ``int()``'s accepts even more various non-decimal characters
109 than expected. Make validation fully strict in UTCTime and
110 GeneralizedTime, without relying on ``int()``
116 * UTCTime and GeneralizedTime allowed values to have plus sign in them,
117 passing int() check successfully. Prohibit that incorrect behaviour
118 * UTCTime and GeneralizedTime BER decoding support
119 * Faster UTCTime and GeneralizedTime decoding, and slightly better
121 * Workability under Cython
122 * Explicitly Check that all ObjectIdentifier arcs are non-negative
128 * ``.copy()`` method removed: ``copy.copy()`` is preferred way to copy
130 * Copies made previously with ``.copy()`` lacked ``.defined`` field,
132 * All objects are friendly to ``pickle`` libraries
133 * PrintableString has ``allow_asterisk`` and ``allow_ampersand``
135 * ``.hexencode()``, ``.hexdecode()`` and ``.hexdecod()`` methods
136 appeared, working with hexadecimal encoded data
142 * Convenient ``.decod()`` method, that raises if tail is not empty
143 * Control characters (like newlines) of text fields in pprinted output
145 * Ability to allow asterisk and ampersand characters
146 (``allow_asterisk``, ``allow_ampersand`` kwargs) in PrintableString,
147 that unfortunately could be met in X.509 certificates
153 * PEP-396 compatible module's ``__version__``
159 * Do not shadow underlying DecodeError during decoding of optional
166 * Forbid any later GNU GPL version autousage (project's licence now is
168 * Fix ``defines_by_path`` context option usage example
174 * Fix fallbacked ``colored()`` function workability,
175 if no ``termcolor`` is installed
181 * Fix empty ``--oids`` workability
187 * Ability to specify multiple OID mappings for pprinted output
188 (``oids`` keyword argument is renamed to ``oid_maps``)
194 * Minor decode speed improvements
195 * Much faster UTCTime/GeneralizedTime decoders
196 * Stricter UTCTime/GeneralizedTime DER encoding check: trailing zeroes
198 * Valid DER encoding of GeneralizedTime with microseconds: no trailing
205 * ObjectIdentifier has ``ber_encoded`` set to True, if non-normalized
207 * Preserve BER-related attributes during ``copy()``
213 * Added `COMPLI <https://github.com/YuryStrozhevsky/asn1-test-suite>`__
214 ASN.1:2008 test suite. PyDERASN passes it (except for REAL values),
215 but it is more strict sometimes and aimed to be compliant with X.690-201508
216 * Check for arc values normalization in ObjectIdentifier.
217 Forbid non-normalized in DER encoding
223 * ``ctx`` parameter can be safely used in .decode() and won't be muted
224 * PP nametuple contains reference to the ASN1Obj itself
225 * ``colonize_hex`` function useful for pretty printing
226 * Integer values are also pretty printed in hexadecimal form
232 * All errors are inherited from ASN1Error class
233 * NumericString/PrintableString has ``allowable_chars`` property holding
234 all allowed characters
240 * Fix NumericString: space is allowed character
241 * Strict PrintableString sanitizing
247 * Removed ``lenindef``, ``ber_encoded`` attributes from the Choice --
248 they must be taken from underlying value, as Choice does not have its
250 * Do not yield extra EOC PP for Any, having indefinite length encoding
251 and containing autodecoded DEFINED BY value
257 * ``bered`` attribute, meaning if object has BER-specific encoding, is
258 renamed to ``ber_encoded``
259 * ``bered`` attribute is replace with property showing if any of
260 underlying values are BER-encoded. If value has length indefinite
261 encoded explicit tag, value, if value contains BER-related encoding,
262 or if it contains other objects that are ``bered``, then it is ``bered``
268 * Default value is checked also for Sets, not for Sequences only
269 * **Incompatible** change: defaulted values in Sequence/Set are always
270 strictly checked, unless ``allow_default_values`` context option is
271 set. ``strict_default_existence`` option disappeared
272 * Strict Set/Set Of's values ordering check
278 * Additional encoding validness check: explicit tag must contain exactly
279 one object inside. Throw DecodeError otherwise
280 * ``allow_expl_oob`` context and command-line options allow skipping of
287 * DecodeError's decode paths are separated with ``:``, instead of ``.``,
288 because of colliding with dots in OIDs
289 * Ability to print element decode paths with ``--print-decode-path``
290 command line option (and corresponding keyword argument)
291 * Ability to print tree's branch specified with ``--decode-path-only``
297 * Fix possible uncaught TypeError in Py2 with zero bytes inside the value
298 * Fix SequenceOf/SetOf raising BoundsError instead of DecodeError
304 * Fix uncaught UTCTime/GeneralizedTime decode error when dealing with
305 non ASCII-encoded values
311 * Fix long-standing bug with explicitly tagged objects inside the
312 Choice. If Choice had explicitly tagged value, then its ``.tlvlen``
313 reports the size without taking value's explicit tag in advance
314 * Add ``.fulllen`` and ``.fulloffset`` properties for all objects
320 * SEQUENCE's values are printed with field's name. Previously there was
321 the following output::
323 AlgorithmIdentifier SEQUENCE[OBJECT IDENTIFIER 1.3.14.3.2.26, [UNIV 5] ANY 0500 OPTIONAL]
327 AlgorithmIdentifier SEQUENCE[algorithm: OBJECT IDENTIFIER 1.3.14.3.2.26; parameters: [UNIV 5] ANY 0500 OPTIONAL]
328 * Fixed EOC (Unicode character) repr printing issues under Python2
334 BER's EOC is explicitly shown during pprinting. Following notation::
336 15-2 [0,0,1576]-4 . content: [0] EXPLICIT [UNIV 16] ANY
340 15-2∞ [0,0,1576]∞ . content: [0] EXPLICIT [UNIV 16] ANY
342 1587 [1,1, 0] . content: BER EOC
343 1589 [1,1, 0] . content: EXPLICIT BER EOC
349 * BER decoding support
350 * BitString's ''H notation support
351 * ``termcolor`` package is included in the tarball
357 * Ability to set values during Sequence initialization
363 * Fix TagMismatch exception completeness during Choice and Set decoding.
364 Previously we will loose offset and decode_path information about
365 concrete TagMismatched entity
371 * Strict NumericString's value sanitation
372 * Invalid encoding in string types will raise ``DecodeError`` exception,
373 instead of ``Unicode*Error``
374 * Fixed DecodePathDefBy workability with Python 2.x
380 * Fix nasty BitString decoding bug: it could fail when data follows
381 encoded BitString value. There weren't any problems when BitString is
382 at the end of Sequence
388 * Slightly corrected colours, now visible on white background
394 * Fix bug related to DecodeError showing with DecodePathDefBy entities
395 * Respect ``NO_COLOR`` environment variable
401 * :py:func:`pyderasn.decode_path_defby` is replaced with
402 :py:class:`pyderasn.DecodePathDefBy`
403 * Ability to turn colourized terminal output by calling
404 ``pprint(..., with_colours=True)``. You will need
405 `termcolor package <https://pypi.org/project/termcolor/>`__
411 * Fixed invalid offset calculation when dealing with DEFINED BY objects
418 * BIT STRINGs can also be :ref:`DEFINED BY <definedby>`
419 * Decoding process can be governed with optional :ref:`ctx <ctx>`
420 keyword argument to ``decode()`` method
421 * :ref:`defines_by_path <defines_by_path_ctx>` option is now
422 :ref:`decode context <ctx>` option, not a keyword argument
423 * Ability to do ``strict validation``
424 of defaulted values met in sequence, raising an exception
430 Ability to skip specified number of bytes (``--skip``) in command line
437 * Generic decoder's schema and pretty printer
438 (:py:func:`pyderasn.generic_decoder`) can be used in libraries
439 * Ability to specify :ref:`defines_by_path <defines_by_path_ctx>`
440 during command line invocation
446 Ability to automatically decode :ref:`DEFINED BY <definedby>` fields
453 Removed ``__lt__``/``__eq__`` from base class, as pylint likes it.
459 Full rich comparison operators added.
466 Trivial README addition.