lib/crypto: tests: Add Poly1305 split-update carry regression test

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Add a test case which reproduces the bug fixed by commit 24f07e8c07
("lib/crypto: arm64: Fix lost Poly1305 carry when resuming NEON state").
It is written in a fairly general way, such that it should also be able
to reproduce similar bugs in other implementations.

Update the comment on test_poly1305_allones_keys_and_message() to more
accurately describe what it does and differentiate it from the new test.

Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20261009125354.315476-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

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This commit is contained in:

Eric Biggers 2026-10-09 14:53:54 +02:00

parent 24f07e8c07

commit 7b817748bf

1 changed files with 88 additions and 9 deletions

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lib/crypto/tests/poly1305_kunit.c

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