8 * Append offsets to tree elements in ASN.1 browser for ease of navigation.
14 * Trivial documentation fixes.
20 * Workability under Microsoft Windows OS should be restored: it has
21 different ``mmap`` constants and implementation, preventing
22 ``pyderasn`` importing
28 * **Incompatible** change: explicitly check that only naive datetime
29 objects are used for UTCTime and GeneralizedTime, raise an error
30 otherwise. Previously they silently ignored ``tzinfo``
36 * Strictly check that tag's long encoded form does not contain leading zero
38 * Strictly check that tag's long form is used in expected way for small values
45 * Proper strict alphabet validation of VisibleString
46 * VisibleString and IA5String also have ``allowable_chars`` property
47 * Fixed TeletexString, T61String use ``iso-8859-1`` encoding (instead of
48 ``ascii``), because they are 8-bit encodings
54 * Also print full TLVlen in ASN.1 browser
61 * Fix DEFINED BY pprinting when invoking as __main__ module
62 * Integer has ``tohex()`` for getting hexadecimal representation of its value
63 * ``hexdump()`` (``hexdump -C`` like output) and ``ascii_visualize()``
64 (visualize ASCII printable characters, like in ``hexdump -C``) pretty
65 printing functions appeared
66 * Experimental ASN.1 interactive terminal browser (``--browse`` and
68 You will need `urwid package <http://urwid.org/>`__ to use it
75 * SEQUENCE/SET fully performs default value existence validation in
76 evgen mode, by the cost of DEFAULTed value full decoding. That should
77 not be the problem, as DEFAULTs are relatively small in practice. Now
78 evgen mode has the same DER validation strictness as an ordinary one
85 * Restored workability of some command line options
86 * 2-pass DER encoding mode with very little memory footprint
99 * Fixed invalid behaviour where SET OF allowed multiple objects with the
100 same tag to be successfully decoded
101 * Fixed possibly invalid SET DER encoding where objects were not sorted
102 by tag, but by encoded representation
103 * ``Any`` does not allow empty data value now. Now it checks if it has
105 * ``SetOf`` is not treated as ready, if no value was set and minimum
106 bounds are greater than zero
107 * ``Any`` allows an ordinary ``Obj`` storing, without its forceful
108 encoded representation storage. That is required for CER encoding
109 mode, where we do not know in advance what encoding will be used
110 * ``ObjectIdentifier`` stores values as C unsigned long integer,
111 forbidding storage of huge integers, that must not be a problem in
113 * Initial support for so called ``evgen_mode``: event generation mode,
114 where no in-memory objects storing happens, giving ability to process
115 ASN.1 data without fully parsing it first. ``python -m pyderasn`` has
116 ``--evgen`` mode switcher
117 * Useful ``agg_octet_string`` that is able to streamingly decode string
118 from events of ``evgen_mode``, allowing strings retrieving without
119 copying them to memory first
120 * Initial experimental CER encoding mode, allowing streaming encoding of
121 the data directly to some writeable object
122 * Ability to use mmap-ed memoryviews to skip files loading to memory
123 * Ability to use memoryview as an input for \*Strings. If they are
124 mmap-ed, then you can encode any quantities of data streamingly
125 without copying to memory
131 * Fixed workability under Python 3.5. Previously only 2.7 and 3.6
138 * Python ``int()``'s accepts even more various non-decimal characters
139 than expected. Make validation fully strict in UTCTime and
140 GeneralizedTime, without relying on ``int()``
146 * UTCTime and GeneralizedTime allowed values to have plus sign in them,
147 passing ``int()`` check successfully. Prohibit that incorrect behaviour
148 * UTCTime and GeneralizedTime BER decoding support
149 * Faster UTCTime and GeneralizedTime decoding, and slightly better
151 * Workability under Cython
152 * Explicitly Check that all ObjectIdentifier arcs are non-negative
158 * ``.copy()`` method removed: ``copy.copy()`` is preferred way to copy
160 * Copies made previously with ``.copy()`` lacked ``.defined`` field,
162 * All objects are friendly to ``pickle`` libraries
163 * PrintableString has ``allow_asterisk`` and ``allow_ampersand``
165 * ``.hexencode()``, ``.hexdecode()`` and ``.hexdecod()`` methods
166 appeared, working with hexadecimal encoded data
172 * Convenient ``.decod()`` method, that raises if tail is not empty
173 * Control characters (like newlines) of text fields in pprinted output
175 * Ability to allow asterisk and ampersand characters
176 (``allow_asterisk``, ``allow_ampersand`` kwargs) in PrintableString,
177 that unfortunately could be met in X.509 certificates
183 * PEP-396 compatible module's ``__version__``
189 * Do not shadow underlying DecodeError during decoding of optional
196 * Forbid any later GNU GPL version autousage (project's licence now is
198 * Fix ``defines_by_path`` context option usage example
204 * Fix fallbacked ``colored()`` function workability,
205 if no ``termcolor`` is installed
211 * Fix empty ``--oids`` workability
217 * Ability to specify multiple OID mappings for pprinted output
218 (``oids`` keyword argument is renamed to ``oid_maps``)
224 * Minor decode speed improvements
225 * Much faster UTCTime/GeneralizedTime decoders
226 * Stricter UTCTime/GeneralizedTime DER encoding check: trailing zeroes
228 * Valid DER encoding of GeneralizedTime with microseconds: no trailing
235 * ObjectIdentifier has ``ber_encoded`` set to True, if non-normalized
237 * Preserve BER-related attributes during ``copy()``
243 * Added `COMPLI <https://github.com/YuryStrozhevsky/asn1-test-suite>`__
244 ASN.1:2008 test suite. PyDERASN passes it (except for REAL values),
245 but it is more strict sometimes and aimed to be compliant with X.690-201508
246 * Check for arc values normalization in ObjectIdentifier.
247 Forbid non-normalized in DER encoding
253 * ``ctx`` parameter can be safely used in .decode() and won't be muted
254 * PP nametuple contains reference to the ASN1Obj itself
255 * ``colonize_hex`` function useful for pretty printing
256 * Integer values are also pretty printed in hexadecimal form
262 * All errors are inherited from ASN1Error class
263 * NumericString/PrintableString has ``allowable_chars`` property holding
264 all allowed characters
270 * Fix NumericString: space is allowed character
271 * Strict PrintableString sanitizing
277 * Removed ``lenindef``, ``ber_encoded`` attributes from the Choice --
278 they must be taken from underlying value, as Choice does not have its
280 * Do not yield extra EOC PP for Any, having indefinite length encoding
281 and containing autodecoded DEFINED BY value
287 * ``bered`` attribute, meaning if object has BER-specific encoding, is
288 renamed to ``ber_encoded``
289 * ``bered`` attribute is replace with property showing if any of
290 underlying values are BER-encoded. If value has length indefinite
291 encoded explicit tag, value, if value contains BER-related encoding,
292 or if it contains other objects that are ``bered``, then it is ``bered``
298 * Default value is checked also for Sets, not for Sequences only
299 * **Incompatible** change: defaulted values in Sequence/Set are always
300 strictly checked, unless ``allow_default_values`` context option is
301 set. ``strict_default_existence`` option disappeared
302 * Strict Set/Set Of's values ordering check
308 * Additional encoding validness check: explicit tag must contain exactly
309 one object inside. Throw DecodeError otherwise
310 * ``allow_expl_oob`` context and command-line options allow skipping of
317 * DecodeError's decode paths are separated with ``:``, instead of ``.``,
318 because of colliding with dots in OIDs
319 * Ability to print element decode paths with ``--print-decode-path``
320 command line option (and corresponding keyword argument)
321 * Ability to print tree's branch specified with ``--decode-path-only``
327 * Fix possible uncaught TypeError in Py2 with zero bytes inside the value
328 * Fix SequenceOf/SetOf raising BoundsError instead of DecodeError
334 * Fix uncaught UTCTime/GeneralizedTime decode error when dealing with
335 non ASCII-encoded values
341 * Fix long-standing bug with explicitly tagged objects inside the
342 Choice. If Choice had explicitly tagged value, then its ``.tlvlen``
343 reports the size without taking value's explicit tag in advance
344 * Add ``.fulllen`` and ``.fulloffset`` properties for all objects
350 * SEQUENCE's values are printed with field's name. Previously there was
351 the following output::
353 AlgorithmIdentifier SEQUENCE[OBJECT IDENTIFIER 1.3.14.3.2.26, [UNIV 5] ANY 0500 OPTIONAL]
357 AlgorithmIdentifier SEQUENCE[algorithm: OBJECT IDENTIFIER 1.3.14.3.2.26; parameters: [UNIV 5] ANY 0500 OPTIONAL]
358 * Fixed EOC (Unicode character) repr printing issues under Python2
364 BER's EOC is explicitly shown during pprinting. Following notation::
366 15-2 [0,0,1576]-4 . content: [0] EXPLICIT [UNIV 16] ANY
370 15-2∞ [0,0,1576]∞ . content: [0] EXPLICIT [UNIV 16] ANY
372 1587 [1,1, 0] . content: BER EOC
373 1589 [1,1, 0] . content: EXPLICIT BER EOC
379 * BER decoding support
380 * BitString's ''H notation support
381 * ``termcolor`` package is included in the tarball
387 * Ability to set values during Sequence initialization
393 * Fix TagMismatch exception completeness during Choice and Set decoding.
394 Previously we will loose offset and decode_path information about
395 concrete TagMismatched entity
401 * Strict NumericString's value sanitation
402 * Invalid encoding in string types will raise ``DecodeError`` exception,
403 instead of ``Unicode*Error``
404 * Fixed DecodePathDefBy workability with Python 2.x
410 * Fix nasty BitString decoding bug: it could fail when data follows
411 encoded BitString value. There weren't any problems when BitString is
412 at the end of Sequence
418 * Slightly corrected colours, now visible on white background
424 * Fix bug related to DecodeError showing with DecodePathDefBy entities
425 * Respect ``NO_COLOR`` environment variable
431 * :py:func:`pyderasn.decode_path_defby` is replaced with
432 :py:class:`pyderasn.DecodePathDefBy`
433 * Ability to turn colourized terminal output by calling
434 ``pprint(..., with_colours=True)``. You will need
435 `termcolor package <https://pypi.org/project/termcolor/>`__
441 * Fixed invalid offset calculation when dealing with DEFINED BY objects
448 * BIT STRINGs can also be :ref:`DEFINED BY <definedby>`
449 * Decoding process can be governed with optional :ref:`ctx <ctx>`
450 keyword argument to ``decode()`` method
451 * :ref:`defines_by_path <defines_by_path_ctx>` option is now
452 :ref:`decode context <ctx>` option, not a keyword argument
453 * Ability to do ``strict validation``
454 of defaulted values met in sequence, raising an exception
460 Ability to skip specified number of bytes (``--skip``) in command line
467 * Generic decoder's schema and pretty printer
468 (:py:func:`pyderasn.generic_decoder`) can be used in libraries
469 * Ability to specify :ref:`defines_by_path <defines_by_path_ctx>`
470 during command line invocation
476 Ability to automatically decode :ref:`DEFINED BY <definedby>` fields
483 Removed ``__lt__``/``__eq__`` from base class, as pylint likes it.
489 Full rich comparison operators added.
496 Trivial README addition.