зеркало из https://github.com/mozilla/gecko-dev.git
279 строки
11 KiB
Plaintext
279 строки
11 KiB
Plaintext
Revision 0.1.7
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--------------
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- License updated to vanilla BSD 2-Clause to ease package use
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(http://opensource.org/licenses/BSD-2-Clause).
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- Test suite made discoverable by unittest/unittest2 discovery feature.
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- Fix to decoder working on indefinite length substrate -- end-of-octets
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marker is now detected by both tag and value. Otherwise zero values may
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interfere with end-of-octets marker.
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- Fix to decoder to fail in cases where tagFormat indicates inappropriate
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format for the type (e.g. BOOLEAN is always PRIMITIVE, SET is always
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CONSTRUCTED and OCTET STRING is either of the two)
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- Fix to REAL type encoder to force primitive encoding form encoding.
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- Fix to CHOICE decoder to handle explicitly tagged, indefinite length
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mode encoding
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- Fix to REAL type decoder to handle negative REAL values correctly. Test
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case added.
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Revision 0.1.6
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--------------
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- The compact (valueless) way of encoding zero INTEGERs introduced in
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0.1.5 seems to fail miserably as the world is filled with broken
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BER decoders. So we had to back off the *encoder* for a while.
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There's still the IntegerEncoder.supportCompactZero flag which
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enables compact encoding form whenever it evaluates to True.
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- Report package version on debugging code initialization.
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Revision 0.1.5
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--------------
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- Documentation updated and split into chapters to better match
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web-site contents.
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- Make prettyPrint() working for non-initialized pyasn1 data objects. It
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used to throw an exception.
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- Fix to encoder to produce empty-payload INTEGER values for zeros
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- Fix to decoder to support empty-payload INTEGER and REAL values
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- Fix to unit test suites imports to be able to run each from
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their current directory
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Revision 0.1.4
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--------------
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- Built-in codec debugging facility added
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- Added some more checks to ObjectIdentifier BER encoder catching
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posible 2^8 overflow condition by two leading sub-OIDs
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- Implementations overriding the AbstractDecoder.valueDecoder method
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changed to return the rest of substrate behind the item being processed
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rather than the unprocessed substrate within the item (which is usually
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empty).
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- Decoder's recursiveFlag feature generalized as a user callback function
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which is passed an uninitialized object recovered from substrate and
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its uninterpreted payload.
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- Catch inappropriate substrate type passed to decoder.
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- Expose tagMap/typeMap/Decoder objects at DER decoder to uniform API.
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- Obsolete __init__.MajorVersionId replaced with __init__.__version__
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which is now in-sync with distutils.
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- Package classifiers updated.
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- The __init__.py's made non-empty (rumors are that they may be optimized
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out by package managers).
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- Bail out gracefully whenever Python version is older than 2.4.
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- Fix to Real codec exponent encoding (should be in 2's complement form),
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some more test cases added.
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- Fix in Boolean truth testing built-in methods
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- Fix to substrate underrun error handling at ObjectIdentifier BER decoder
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- Fix to BER Boolean decoder that allows other pre-computed
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values besides 0 and 1
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- Fix to leading 0x80 octet handling in DER/CER/DER ObjectIdentifier decoder.
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See http://www.cosic.esat.kuleuven.be/publications/article-1432.pdf
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Revision 0.1.3
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--------------
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- Include class name into asn1 value constraint violation exception.
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- Fix to OctetString.prettyOut() method that looses leading zero when
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building hex string.
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Revision 0.1.2
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--------------
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- Fix to __long__() to actually return longs on py2k
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- Fix to OctetString.__str__() workings of a non-initialized object.
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- Fix to quote initializer of OctetString.__repr__()
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- Minor fix towards ObjectIdentifier.prettyIn() reliability
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- ObjectIdentifier.__str__() is aliased to prettyPrint()
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- Exlicit repr() calls replaced with '%r'
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Revision 0.1.1
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--------------
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- Hex/bin string initializer to OctetString object reworked
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(in a backward-incompatible manner)
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- Fixed float() infinity compatibility issue (affects 2.5 and earlier)
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- Fixed a bug/typo at Boolean CER encoder.
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- Major overhawl for Python 2.4 -- 3.2 compatibility:
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+ get rid of old-style types
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+ drop string module usage
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+ switch to rich comparation
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+ drop explicit long integer type use
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+ map()/filter() replaced with list comprehension
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+ apply() replaced with */**args
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+ switched to use 'key' sort() callback function
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+ support both __nonzero__() and __bool__() methods
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+ modified not to use py3k-incompatible exception syntax
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+ getslice() operator fully replaced with getitem()
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+ dictionary operations made 2K/3K compatible
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+ base type for encoding substrate and OctetString-based types
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is now 'bytes' when running py3k and 'str' otherwise
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+ OctetString and derivatives now unicode compliant.
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+ OctetString now supports two python-neutral getters: asOcts() & asInts()
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+ print OctetString content in hex whenever it is not printable otherwise
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+ in test suite, implicit relative import replaced with the absolute one
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+ in test suite, string constants replaced with numerics
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Revision 0.0.13
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---------------
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- Fix to base10 normalization function that loops on univ.Real(0)
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Revision 0.0.13b
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----------------
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- ASN.1 Real type is now supported properly.
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- Objects of Constructed types now support __setitem__()
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- Set/Sequence objects can now be addressed by their field names (string index)
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and position (integer index).
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- Typo fix to ber.SetDecoder code that prevented guided decoding operation.
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- Fix to explicitly tagged items decoding support.
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- Fix to OctetString.prettyPrint() to better handle non-printable content.
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- Fix to repr() workings of Choice objects.
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Revision 0.0.13a
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----------------
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- Major codec re-design.
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- Documentation significantly improved.
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- ASN.1 Any type is now supported.
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- All example ASN.1 modules moved to separate pyasn1-modules package.
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- Fix to initial sub-OID overflow condition detection an encoder.
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- BitString initialization value verification improved.
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- The Set/Sequence.getNameByPosition() method implemented.
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- Fix to proper behaviour of PermittedAlphabetConstraint object.
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- Fix to improper Boolean substrate handling at CER/DER decoders.
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- Changes towards performance improvement:
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+ all dict.has_key() & dict.get() invocations replaced with modern syntax
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(this breaks compatibility with Python 2.1 and older).
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+ tag and tagset caches introduced to decoder
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+ decoder code improved to prevent unnecessary pyasn1 objects creation
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+ allow disabling components verification when setting components to
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structured types, this is used by decoder whilst running in guided mode.
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+ BER decoder for integer values now looks up a small set of pre-computed
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substrate values to save on decoding.
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+ a few pre-computed values configured to ObjectIdentifier BER encoder.
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+ ChoiceDecoder split-off SequenceOf one to save on unnecessary checks.
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+ replace slow hasattr()/getattr() calls with isinstance() introspection.
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+ track the number of initialized components of Constructed types to save
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on default/optional components initialization.
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+ added a shortcut ObjectIdentifier.asTuple() to be used instead of
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__getitem__() in hotspots.
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+ use Tag.asTuple() and pure integers at tag encoder.
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+ introduce and use in decoder the baseTagSet attribute of the built-in
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ASN.1 types.
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Revision 0.0.12a
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----------------
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- The individual tag/length/value processing methods of
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encoder.AbstractItemEncoder renamed (leading underscore stripped)
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to promote overloading in cases where partial substrate processing
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is required.
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- The ocsp.py, ldap.py example scripts added.
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- Fix to univ.ObjectIdentifier input value handler to disallow negative
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sub-IDs.
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Revision 0.0.11a
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----------------
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- Decoder can now treat values of unknown types as opaque OctetString.
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- Fix to Set/SetOf type decoder to handle uninitialized scalar SetOf
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components correctly.
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Revision 0.0.10a
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----------------
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- API versioning mechanics retired (pyasn1.v1 -> pyasn1) what makes
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it possible to zip-import pyasn1 sources (used by egg and py2exe).
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Revision 0.0.9a
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---------------
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- Allow any non-zero values in Boolean type BER decoder, as it's in
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accordnance with the standard.
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Revision 0.0.8a
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---------------
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- Integer.__index__() now supported (for Python 2.5+).
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- Fix to empty value encoding in BitString encoder, test case added.
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- Fix to SequenceOf decoder that prevents it skipping possible Choice
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typed inner component.
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- Choice.getName() method added for getting currently set component
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name.
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- OctetsString.prettyPrint() does a single str() against its value
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eliminating an extra quotes.
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Revision 0.0.7a
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---------------
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- Large tags (>31) now supported by codecs.
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- Fix to encoder to properly handle explicitly tagged untagged items.
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- All possible value lengths (up to 256^126) now supported by encoders.
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- Fix to Tag class constructor to prevent negative IDs.
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Revision 0.0.6a
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---------------
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- Make use of setuptools.
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- Constraints derivation verification (isSuperTypeOf()/isSubTypeOf()) fixed.
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- Fix to constraints comparation logic -- can't cmp() hash values as it
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may cause false positives due to hash conflicts.
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Revision 0.0.5a
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---------------
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- Integer BER codec reworked fixing negative values encoding bug.
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- clone() and subtype() methods of Constructed ASN.1 classes now
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accept optional cloneValueFlag flag which controls original value
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inheritance. The default is *not* to inherit original value for
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performance reasons (this may affect backward compatibility).
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Performance penalty may be huge on deeply nested Constructed objects
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re-creation.
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- Base ASN.1 types (pyasn1.type.univ.*) do not have default values
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anymore. They remain uninitialized acting as ASN.1 types. In
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this model, initialized ASN.1 types represent either types with
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default value installed or a type instance.
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- Decoders' prototypes are now class instances rather than classes.
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This is to simplify initial value installation to decoder's
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prototype value.
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- Bugfix to BitString BER decoder (trailing bits not regarded).
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- Bugfix to Constraints use as mapping keys.
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- Bugfix to Integer & BitString clone() methods
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- Bugix to the way to distinguish Set from SetOf at CER/DER SetOfEncoder
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- Adjustments to make it running on Python 1.5.
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- In tests, substrate constants converted from hex escaped literals into
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octals to overcome indefinite hex width issue occuring in young Python.
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- Minor performance optimization of TagSet.isSuperTagSetOf() method
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- examples/sshkey.py added
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Revision 0.0.4a
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---------------
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* Asn1ItemBase.prettyPrinter() -> *.prettyPrint()
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Revision 0.0.3a
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---------------
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* Simple ASN1 objects now hash to their Python value and don't
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depend upon tag/constraints/etc.
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* prettyIn & prettyOut methods of SimplleAsn1Object become public
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* many syntax fixes
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Revision 0.0.2a
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---------------
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* ConstraintsIntersection.isSuperTypeOf() and
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ConstraintsIntersection.hasConstraint() implemented
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* Bugfix to NamedValues initialization code
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* +/- operators added to NamedValues objects
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* Integer.__abs__() & Integer.subtype() added
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* ObjectIdentifier.prettyOut() fixes
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* Allow subclass components at SequenceAndSetBase
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* AbstractConstraint.__cmp__() dropped
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* error.Asn1Error replaced with error.PyAsn1Error
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Revision 0.0.1a
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---------------
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* Initial public alpha release
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