8 * Drop Python 2.7 support. No ``six`` dependency anymore
14 * Fix previous release's style breaking in ASN.1 browser.
20 * Append offsets to tree elements in ASN.1 browser for ease of navigation.
26 * Trivial documentation fixes.
32 * Workability under Microsoft Windows OS should be restored: it has
33 different ``mmap`` constants and implementation, preventing
34 ``pyderasn`` importing
40 * **Incompatible** change: explicitly check that only naive datetime
41 objects are used for UTCTime and GeneralizedTime, raise an error
42 otherwise. Previously they silently ignored ``tzinfo``
48 * Strictly check that tag's long encoded form does not contain leading zero
50 * Strictly check that tag's long form is used in expected way for small values
57 * Proper strict alphabet validation of VisibleString
58 * VisibleString and IA5String also have ``allowable_chars`` property
59 * Fixed TeletexString, T61String use ``iso-8859-1`` encoding (instead of
60 ``ascii``), because they are 8-bit encodings
66 * Also print full TLVlen in ASN.1 browser
73 * Fix DEFINED BY pprinting when invoking as __main__ module
74 * Integer has ``tohex()`` for getting hexadecimal representation of its value
75 * ``hexdump()`` (``hexdump -C`` like output) and ``ascii_visualize()``
76 (visualize ASCII printable characters, like in ``hexdump -C``) pretty
77 printing functions appeared
78 * Experimental ASN.1 interactive terminal browser (``--browse`` and
80 You will need `urwid package <http://urwid.org/>`__ to use it
87 * SEQUENCE/SET fully performs default value existence validation in
88 evgen mode, by the cost of DEFAULTed value full decoding. That should
89 not be the problem, as DEFAULTs are relatively small in practice. Now
90 evgen mode has the same DER validation strictness as an ordinary one
97 * Restored workability of some command line options
98 * 2-pass DER encoding mode with very little memory footprint
111 * Fixed invalid behaviour where SET OF allowed multiple objects with the
112 same tag to be successfully decoded
113 * Fixed possibly invalid SET DER encoding where objects were not sorted
114 by tag, but by encoded representation
115 * ``Any`` does not allow empty data value now. Now it checks if it has
117 * ``SetOf`` is not treated as ready, if no value was set and minimum
118 bounds are greater than zero
119 * ``Any`` allows an ordinary ``Obj`` storing, without its forceful
120 encoded representation storage. That is required for CER encoding
121 mode, where we do not know in advance what encoding will be used
122 * ``ObjectIdentifier`` stores values as C unsigned long integer,
123 forbidding storage of huge integers, that must not be a problem in
125 * Initial support for so called ``evgen_mode``: event generation mode,
126 where no in-memory objects storing happens, giving ability to process
127 ASN.1 data without fully parsing it first. ``python -m pyderasn`` has
128 ``--evgen`` mode switcher
129 * Useful ``agg_octet_string`` that is able to streamingly decode string
130 from events of ``evgen_mode``, allowing strings retrieving without
131 copying them to memory first
132 * Initial experimental CER encoding mode, allowing streaming encoding of
133 the data directly to some writeable object
134 * Ability to use mmap-ed memoryviews to skip files loading to memory
135 * Ability to use memoryview as an input for \*Strings. If they are
136 mmap-ed, then you can encode any quantities of data streamingly
137 without copying to memory
143 * Fixed workability under Python 3.5. Previously only 2.7 and 3.6
150 * Python ``int()``'s accepts even more various non-decimal characters
151 than expected. Make validation fully strict in UTCTime and
152 GeneralizedTime, without relying on ``int()``
158 * UTCTime and GeneralizedTime allowed values to have plus sign in them,
159 passing ``int()`` check successfully. Prohibit that incorrect behaviour
160 * UTCTime and GeneralizedTime BER decoding support
161 * Faster UTCTime and GeneralizedTime decoding, and slightly better
163 * Workability under Cython
164 * Explicitly Check that all ObjectIdentifier arcs are non-negative
170 * ``.copy()`` method removed: ``copy.copy()`` is preferred way to copy
172 * Copies made previously with ``.copy()`` lacked ``.defined`` field,
174 * All objects are friendly to ``pickle`` libraries
175 * PrintableString has ``allow_asterisk`` and ``allow_ampersand``
177 * ``.hexencode()``, ``.hexdecode()`` and ``.hexdecod()`` methods
178 appeared, working with hexadecimal encoded data
184 * Convenient ``.decod()`` method, that raises if tail is not empty
185 * Control characters (like newlines) of text fields in pprinted output
187 * Ability to allow asterisk and ampersand characters
188 (``allow_asterisk``, ``allow_ampersand`` kwargs) in PrintableString,
189 that unfortunately could be met in X.509 certificates
195 * PEP-396 compatible module's ``__version__``
201 * Do not shadow underlying DecodeError during decoding of optional
208 * Forbid any later GNU GPL version autousage (project's licence now is
210 * Fix ``defines_by_path`` context option usage example
216 * Fix fallbacked ``colored()`` function workability,
217 if no ``termcolor`` is installed
223 * Fix empty ``--oids`` workability
229 * Ability to specify multiple OID mappings for pprinted output
230 (``oids`` keyword argument is renamed to ``oid_maps``)
236 * Minor decode speed improvements
237 * Much faster UTCTime/GeneralizedTime decoders
238 * Stricter UTCTime/GeneralizedTime DER encoding check: trailing zeroes
240 * Valid DER encoding of GeneralizedTime with microseconds: no trailing
247 * ObjectIdentifier has ``ber_encoded`` set to True, if non-normalized
249 * Preserve BER-related attributes during ``copy()``
255 * Added `COMPLI <https://github.com/YuryStrozhevsky/asn1-test-suite>`__
256 ASN.1:2008 test suite. PyDERASN passes it (except for REAL values),
257 but it is more strict sometimes and aimed to be compliant with X.690-201508
258 * Check for arc values normalization in ObjectIdentifier.
259 Forbid non-normalized in DER encoding
265 * ``ctx`` parameter can be safely used in .decode() and won't be muted
266 * PP nametuple contains reference to the ASN1Obj itself
267 * ``colonize_hex`` function useful for pretty printing
268 * Integer values are also pretty printed in hexadecimal form
274 * All errors are inherited from ASN1Error class
275 * NumericString/PrintableString has ``allowable_chars`` property holding
276 all allowed characters
282 * Fix NumericString: space is allowed character
283 * Strict PrintableString sanitizing
289 * Removed ``lenindef``, ``ber_encoded`` attributes from the Choice --
290 they must be taken from underlying value, as Choice does not have its
292 * Do not yield extra EOC PP for Any, having indefinite length encoding
293 and containing autodecoded DEFINED BY value
299 * ``bered`` attribute, meaning if object has BER-specific encoding, is
300 renamed to ``ber_encoded``
301 * ``bered`` attribute is replace with property showing if any of
302 underlying values are BER-encoded. If value has length indefinite
303 encoded explicit tag, value, if value contains BER-related encoding,
304 or if it contains other objects that are ``bered``, then it is ``bered``
310 * Default value is checked also for Sets, not for Sequences only
311 * **Incompatible** change: defaulted values in Sequence/Set are always
312 strictly checked, unless ``allow_default_values`` context option is
313 set. ``strict_default_existence`` option disappeared
314 * Strict Set/Set Of's values ordering check
320 * Additional encoding validness check: explicit tag must contain exactly
321 one object inside. Throw DecodeError otherwise
322 * ``allow_expl_oob`` context and command-line options allow skipping of
329 * DecodeError's decode paths are separated with ``:``, instead of ``.``,
330 because of colliding with dots in OIDs
331 * Ability to print element decode paths with ``--print-decode-path``
332 command line option (and corresponding keyword argument)
333 * Ability to print tree's branch specified with ``--decode-path-only``
339 * Fix possible uncaught TypeError in Py2 with zero bytes inside the value
340 * Fix SequenceOf/SetOf raising BoundsError instead of DecodeError
346 * Fix uncaught UTCTime/GeneralizedTime decode error when dealing with
347 non ASCII-encoded values
353 * Fix long-standing bug with explicitly tagged objects inside the
354 Choice. If Choice had explicitly tagged value, then its ``.tlvlen``
355 reports the size without taking value's explicit tag in advance
356 * Add ``.fulllen`` and ``.fulloffset`` properties for all objects
362 * SEQUENCE's values are printed with field's name. Previously there was
363 the following output::
365 AlgorithmIdentifier SEQUENCE[OBJECT IDENTIFIER 1.3.14.3.2.26, [UNIV 5] ANY 0500 OPTIONAL]
369 AlgorithmIdentifier SEQUENCE[algorithm: OBJECT IDENTIFIER 1.3.14.3.2.26; parameters: [UNIV 5] ANY 0500 OPTIONAL]
370 * Fixed EOC (Unicode character) repr printing issues under Python2
376 BER's EOC is explicitly shown during pprinting. Following notation::
378 15-2 [0,0,1576]-4 . content: [0] EXPLICIT [UNIV 16] ANY
382 15-2∞ [0,0,1576]∞ . content: [0] EXPLICIT [UNIV 16] ANY
384 1587 [1,1, 0] . content: BER EOC
385 1589 [1,1, 0] . content: EXPLICIT BER EOC
391 * BER decoding support
392 * BitString's ''H notation support
393 * ``termcolor`` package is included in the tarball
399 * Ability to set values during Sequence initialization
405 * Fix TagMismatch exception completeness during Choice and Set decoding.
406 Previously we will loose offset and decode_path information about
407 concrete TagMismatched entity
413 * Strict NumericString's value sanitation
414 * Invalid encoding in string types will raise ``DecodeError`` exception,
415 instead of ``Unicode*Error``
416 * Fixed DecodePathDefBy workability with Python 2.x
422 * Fix nasty BitString decoding bug: it could fail when data follows
423 encoded BitString value. There weren't any problems when BitString is
424 at the end of Sequence
430 * Slightly corrected colours, now visible on white background
436 * Fix bug related to DecodeError showing with DecodePathDefBy entities
437 * Respect ``NO_COLOR`` environment variable
443 * :py:func:`pyderasn.decode_path_defby` is replaced with
444 :py:class:`pyderasn.DecodePathDefBy`
445 * Ability to turn colourized terminal output by calling
446 ``pprint(..., with_colours=True)``. You will need
447 `termcolor package <https://pypi.org/project/termcolor/>`__
453 * Fixed invalid offset calculation when dealing with DEFINED BY objects
460 * BIT STRINGs can also be :ref:`DEFINED BY <definedby>`
461 * Decoding process can be governed with optional :ref:`ctx <ctx>`
462 keyword argument to ``decode()`` method
463 * :ref:`defines_by_path <defines_by_path_ctx>` option is now
464 :ref:`decode context <ctx>` option, not a keyword argument
465 * Ability to do ``strict validation``
466 of defaulted values met in sequence, raising an exception
472 Ability to skip specified number of bytes (``--skip``) in command line
479 * Generic decoder's schema and pretty printer
480 (:py:func:`pyderasn.generic_decoder`) can be used in libraries
481 * Ability to specify :ref:`defines_by_path <defines_by_path_ctx>`
482 during command line invocation
488 Ability to automatically decode :ref:`DEFINED BY <definedby>` fields
495 Removed ``__lt__``/``__eq__`` from base class, as pylint likes it.
501 Full rich comparison operators added.
508 Trivial README addition.