Added fallback signers and switch back to sha1 #113
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ThiefMaster
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Oct 26, 2018
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Do we support SHA1 and SHA512 in 1.1? If 1.1 cannot deserialize data from 1.0, the release should probably be 2.0. |
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I can make the default config support SHA-512. |
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Version 1.1.0 ------------- Released 2018-10-26 - Change default signing algorithm back to SHA-1. (`#113`_) - Added a default SHA-512 fallback for users who used the yanked 1.0.0 release which defaulted to SHA-512. (`#114`_) - Add support for fallback algorithms during deserialization to support changing the default in the future without breaking existing signatures. (`#113`_) - Changed capitalization of packages back to lowercase as the change in capitalization broke some tooling. (`#113`_) .. _#113: pallets/itsdangerous#113 .. _#114: pallets/itsdangerous#114 Version 1.0.0 ------------- Released 2018-10-18 YANKED *Note*: This release was yanked from PyPI because it changed the default algorithm to SHA-512. This decision was reverted in 1.1.0 and it remains at SHA1. - Drop support for Python 2.6 and 3.3. - Refactor code from a single module to a package. Any object in the API docs is still importable from the top-level ``itsdangerous`` name, but other imports will need to be changed. A future release will remove many of these compatibility imports. (`#107`_) - Optimize how timestamps are serialized and deserialized. (`#13`_) - ``base64_decode`` raises ``BadData`` when it is passed invalid data. (`#27`_) - Ensure value is bytes when signing to avoid a ``TypeError`` on Python 3. (`#29`_) - Add a ``serializer_kwargs`` argument to ``Serializer``, which is passed to ``dumps`` during ``dump_payload``. (`#36`_) - More compact JSON dumps for unicode strings. (`#38`_) - Use the full timestamp rather than an offset, allowing dates before 2011. (`#46`_) - Detect a ``sep`` character that may show up in the signature itself and raise a ``ValueError``. (`#62`_) - Use a consistent signature for keyword arguments for ``Serializer.load_payload`` in subclasses. (`#74`_, `#75`_) - Change default intermediate hash from SHA-1 to SHA-512. (`#80`_) - Convert JWS exp header to an int when loading. (`#99`_) .. _#13: pallets/itsdangerous#13 .. _#27: pallets/itsdangerous#27 .. _#29: pallets/itsdangerous#29 .. _#36: pallets/itsdangerous#36 .. _#38: pallets/itsdangerous#38 .. _#46: pallets/itsdangerous#46 .. _#62: pallets/itsdangerous#62 .. _#74: pallets/itsdangerous#74 .. _#75: pallets/itsdangerous#75 .. _#80: pallets/itsdangerous#80 .. _#99: pallets/itsdangerous#99 .. _#107: pallets/itsdangerous#107
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This rolls back the signing algorithm to HMAC-SHA1 by default and it
adds support for fallback signers. This way a future version of itsdangerous
could rotate to a different algorithm without discarding everything else.
The fallbacks are just supported for the normal serializers.
Refs #112 #111