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montgomery: Do runtime length checking during Montgomery multiplication. #1851

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montgomery: Do runtime length checking during Montgomery multiplication. #1851

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Commits on Dec 6, 2023

  1. montgomery: Clarify minimum limb width for bn_mul_mont.

    @briansmith
    briansmith committed Dec 6, 2023
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  2. montgomery: Avoid using debug_assert! for length checks. 

    Always enforce the bounds checks for `bn_mul_mont`.
    @briansmith
    briansmith committed Dec 6, 2023
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  3. montgomery: Enforce maximum limb length with a runtime check. 

    Further clarify the memory safety.
    @briansmith
    briansmith committed Dec 6, 2023
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  4. montgomery: Use a distinct error for length checks.

    @briansmith
    briansmith committed Dec 6, 2023
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