linux-kernel - [PATCH v5 0/4] KUnit tests for SHA-2 and Poly1305

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Message-ID: <20250709200112.258500-1-ebiggers@kernel.org>
Date: Wed,  9 Jul 2025 13:01:08 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH v5 0/4] KUnit tests for SHA-2 and Poly1305

This series is also available at:

    git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git libcrypto-kunit-v5

This series adds the first KUnit tests for lib/crypto/, including tests
for SHA-2 and Poly1305.

Changed in v5:
- Moved hash_irq_test2_state from stack to heap
  (fixes https://lore.kernel.org/r/202507081257.9sV2D0Ys-lkp@intel.com)
- Replaced HRTIMER_MODE_REL with HRTIMER_MODE_REL_HARD to make hardirq
  context be used on CONFIG_PREEMPT_RT (fixes a WARN_ON_ONCE).
- Removed an unnecessary initialization in hash_irq_test2_func()
- Added comments that explain kconfig option naming
- Added link to Poly1305 paper

Changed in v4:
- Added Poly1305 tests.
- Split the addition of hash-test-template.h and gen-hash-testvecs.py
  into a separate patch.
- Added two more test cases to hash-test-template.h
  (test_hash_all_lens_up_to_4096 and test_hash_interrupt_context_2).
- Simplified test_hmac to use a single consolidated test vector.
- Lots of other cleanups.

Changed in v3:
- Split from SHA-512 and SHA-256 series, as per the request from Linus
  that the tests be kept last on the branch.

Eric Biggers (4):
  lib/crypto: tests: Add hash-test-template.h and gen-hash-testvecs.py
  lib/crypto: tests: Add KUnit tests for SHA-224 and SHA-256
  lib/crypto: tests: Add KUnit tests for SHA-384 and SHA-512
  lib/crypto: tests: Add KUnit tests for Poly1305

 lib/crypto/Kconfig                    |   2 +
 lib/crypto/Makefile                   |   2 +
 lib/crypto/tests/Kconfig              |  50 ++
 lib/crypto/tests/Makefile             |   5 +
 lib/crypto/tests/hash-test-template.h | 683 ++++++++++++++++++++++++++
 lib/crypto/tests/poly1305-testvecs.h  | 186 +++++++
 lib/crypto/tests/poly1305_kunit.c     | 165 +++++++
 lib/crypto/tests/sha224-testvecs.h    | 238 +++++++++
 lib/crypto/tests/sha224_kunit.c       |  39 ++
 lib/crypto/tests/sha256-testvecs.h    | 238 +++++++++
 lib/crypto/tests/sha256_kunit.c       |  39 ++
 lib/crypto/tests/sha384-testvecs.h    | 290 +++++++++++
 lib/crypto/tests/sha384_kunit.c       |  39 ++
 lib/crypto/tests/sha512-testvecs.h    | 342 +++++++++++++
 lib/crypto/tests/sha512_kunit.c       |  39 ++
 scripts/crypto/gen-hash-testvecs.py   | 147 ++++++
 16 files changed, 2504 insertions(+)
 create mode 100644 lib/crypto/tests/Kconfig
 create mode 100644 lib/crypto/tests/Makefile
 create mode 100644 lib/crypto/tests/hash-test-template.h
 create mode 100644 lib/crypto/tests/poly1305-testvecs.h
 create mode 100644 lib/crypto/tests/poly1305_kunit.c
 create mode 100644 lib/crypto/tests/sha224-testvecs.h
 create mode 100644 lib/crypto/tests/sha224_kunit.c
 create mode 100644 lib/crypto/tests/sha256-testvecs.h
 create mode 100644 lib/crypto/tests/sha256_kunit.c
 create mode 100644 lib/crypto/tests/sha384-testvecs.h
 create mode 100644 lib/crypto/tests/sha384_kunit.c
 create mode 100644 lib/crypto/tests/sha512-testvecs.h
 create mode 100644 lib/crypto/tests/sha512_kunit.c
 create mode 100755 scripts/crypto/gen-hash-testvecs.py

-- 
2.50.1