bpo-39298: Add BLAKE3 bindings to hashlib. #31686
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BLAKE3 is a fast new cryptographic hash algorithm created by the team behind BLAKE2. Python's BLAKE3 support uses local SIMD extensions where available, making it Python's fastest built-in hash algorithm on newer Intel and AMD CPUs for non-trivial inputs.
larryhastings
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This temporary branch is for testing the proposed hashlib implementation in python/cpython#31686.
Touched up the blake3 object interface so it's a better match
with the the "blake3" package on PyPI:
* derive_key_context is now a (Unicode) string.
* Added a reset() method.
* Enforce that key, if specified, is exactly 32 bytes.
* Error strings used in exceptions are converging with what's
in the "blake3" package.
Also, improved the setup.py build logic:
* It now preserves the .o files from one build to another.
* It does time stamp comparisons, so it rebuilds the .o file
if it's out of date.
* It remembers if building an extension completely failed.
In short, it now behaves completely properly like a normal "make".
It never extraneously re-tries a compilation.
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https://bugs.python.org/issue39298 is closed. What is the status of this PR? |
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closing per #83479 (comment) |
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bpo-39298: Add BLAKE3 bindings to hashlib.
BLAKE3 is a fast new cryptographic hash algorithm created
by the team behind BLAKE2. Python's BLAKE3 support uses local
SIMD extensions where available, making it Python's fastest
built-in hash algorithm on newer Intel and AMD CPUs for
non-trivial inputs.
https://bugs.python.org/issue39298