gh-135004: rewrite and cleanup blake2module.c#135006
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- use this new helper in `py_blake2b_get_digest_size` - in the future, exposing `key_length` will be easier
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gpshead
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Jun 8, 2025
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* Cleanup imports and update module docstring. * Simplify detection of SIMD support. * Correctly guard `update()` cases. * Rewrite `py_blake2b_or_s_new` and rename it to `py_blake2_new`. * Rewrite `blake2_blake2b_copy_locked` and `py_blake2_clear`. * Refactor computations of `digest` and `hexdigest`. * Simplify `py_blake2b_get_name` and `py_blake2b_get_block_size`. * Add `hacl_get_blake2_info` to extract static BLAKE-2 information. This new helper is used by `py_blake2b_get_digest_size`, but can be later used to expose `key_length` more easily.
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* Cleanup imports and update module docstring. * Simplify detection of SIMD support. * Correctly guard `update()` cases. * Rewrite `py_blake2b_or_s_new` and rename it to `py_blake2_new`. * Rewrite `blake2_blake2b_copy_locked` and `py_blake2_clear`. * Refactor computations of `digest` and `hexdigest`. * Simplify `py_blake2b_get_name` and `py_blake2b_get_block_size`. * Add `hacl_get_blake2_info` to extract static BLAKE-2 information. This new helper is used by `py_blake2b_get_digest_size`, but can be later used to expose `key_length` more easily.
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* Cleanup imports and update module docstring. * Simplify detection of SIMD support. * Correctly guard `update()` cases. * Rewrite `py_blake2b_or_s_new` and rename it to `py_blake2_new`. * Rewrite `blake2_blake2b_copy_locked` and `py_blake2_clear`. * Refactor computations of `digest` and `hexdigest`. * Simplify `py_blake2b_get_name` and `py_blake2b_get_block_size`. * Add `hacl_get_blake2_info` to extract static BLAKE-2 information. This new helper is used by `py_blake2b_get_digest_size`, but can be later used to expose `key_length` more easily.
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* Cleanup imports and update module docstring. * Simplify detection of SIMD support. * Correctly guard `update()` cases. * Rewrite `py_blake2b_or_s_new` and rename it to `py_blake2_new`. * Rewrite `blake2_blake2b_copy_locked` and `py_blake2_clear`. * Refactor computations of `digest` and `hexdigest`. * Simplify `py_blake2b_get_name` and `py_blake2b_get_block_size`. * Add `hacl_get_blake2_info` to extract static BLAKE-2 information. This new helper is used by `py_blake2b_get_digest_size`, but can be later used to expose `key_length` more easily.
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Strictly speaking, we're gaining a bit as well:
I've updated
hmacmodule.cas well so that my two functions for detecting SIMD features have the same body. I could have a separate header, but it's easier that way (ideally, I'd like to rely on #125022 for SIMD detection in the future).blake2module.c#135004