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Message-ID: <20250611020923.1482701-6-ebiggers@kernel.org>
Date: Tue, 10 Jun 2025 19:09:12 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mips@...r.kernel.org,
linux-riscv@...ts.infradead.org,
linux-s390@...r.kernel.org,
sparclinux@...r.kernel.org,
x86@...nel.org,
Ard Biesheuvel <ardb@...nel.org>,
"Jason A . Donenfeld " <Jason@...c4.com>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 05/16] lib/crypto/sha256: add KUnit tests for SHA-224 and SHA-256
From: Eric Biggers <ebiggers@...gle.com>
Add KUnit tests for the SHA-224 and SHA-256 library functions, using the
test template that was added by the previous commit.
Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
lib/crypto/tests/Kconfig | 10 +-
lib/crypto/tests/Makefile | 2 +
lib/crypto/tests/sha224-testvecs.h | 223 +++++++++++++++++++++++++++++
lib/crypto/tests/sha224_kunit.c | 50 +++++++
lib/crypto/tests/sha256-testvecs.h | 223 +++++++++++++++++++++++++++++
lib/crypto/tests/sha256_kunit.c | 39 +++++
6 files changed, 546 insertions(+), 1 deletion(-)
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
diff --git a/lib/crypto/tests/Kconfig b/lib/crypto/tests/Kconfig
index 90be320c25bd2..c056238423221 100644
--- a/lib/crypto/tests/Kconfig
+++ b/lib/crypto/tests/Kconfig
@@ -1,7 +1,15 @@
# SPDX-License-Identifier: GPL-2.0-only
+config CRYPTO_LIB_SHA256_KUNIT_TEST
+ tristate "KUnit tests for SHA-224 and SHA-256" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ default KUNIT_ALL_TESTS || CRYPTO_SELFTESTS
+ select CRYPTO_LIB_SHA256
+ help
+ KUnit tests for the SHA-224 and SHA-256 cryptographic hash functions.
+
config CRYPTO_LIB_SHA512_KUNIT_TEST
tristate "KUnit tests for SHA-384 and SHA-512" if !KUNIT_ALL_TESTS
depends on KUNIT
default KUNIT_ALL_TESTS || CRYPTO_SELFTESTS
select CRYPTO_LIB_SHA512
@@ -9,8 +17,8 @@ config CRYPTO_LIB_SHA512_KUNIT_TEST
KUnit tests for the SHA-384 and SHA-512 cryptographic hash functions
and their corresponding HMACs.
config CRYPTO_LIB_BENCHMARK
bool "Include benchmarks in KUnit tests for cryptographic functions"
- depends on CRYPTO_LIB_SHA512_KUNIT_TEST
+ depends on CRYPTO_LIB_SHA256_KUNIT_TEST || CRYPTO_LIB_SHA512_KUNIT_TEST
help
Include benchmarks in the KUnit tests for cryptographic functions.
diff --git a/lib/crypto/tests/Makefile b/lib/crypto/tests/Makefile
index 3925dcb6513d8..95bb919aff6b4 100644
--- a/lib/crypto/tests/Makefile
+++ b/lib/crypto/tests/Makefile
@@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_LIB_SHA256_KUNIT_TEST) += sha224_kunit.o
+obj-$(CONFIG_CRYPTO_LIB_SHA256_KUNIT_TEST) += sha256_kunit.o
obj-$(CONFIG_CRYPTO_LIB_SHA512_KUNIT_TEST) += sha384_kunit.o
obj-$(CONFIG_CRYPTO_LIB_SHA512_KUNIT_TEST) += sha512_kunit.o
diff --git a/lib/crypto/tests/sha224-testvecs.h b/lib/crypto/tests/sha224-testvecs.h
new file mode 100644
index 0000000000000..bbab439490682
--- /dev/null
+++ b/lib/crypto/tests/sha224-testvecs.h
@@ -0,0 +1,223 @@
+/* This file was generated by: ./scripts/crypto/gen-hash-testvecs.py sha224 */
+
+static const struct {
+ size_t data_len;
+ u8 digest[SHA224_DIGEST_SIZE];
+} sha224_testvecs[] = {
+ {
+ .data_len = 0,
+ .digest = {
+ 0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9,
+ 0x47, 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4,
+ 0x15, 0xa2, 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a,
+ 0xc5, 0xb3, 0xe4, 0x2f,
+ },
+ },
+ {
+ .data_len = 1,
+ .digest = {
+ 0xe3, 0x4d, 0x79, 0x17, 0x75, 0x35, 0xdc, 0xd2,
+ 0x27, 0xc9, 0x9d, 0x0b, 0x90, 0x0f, 0x21, 0x5d,
+ 0x95, 0xfb, 0x9c, 0x6d, 0xa8, 0xec, 0x19, 0x15,
+ 0x12, 0xef, 0xf5, 0x0f,
+ },
+ },
+ {
+ .data_len = 2,
+ .digest = {
+ 0x81, 0xc7, 0x60, 0x0d, 0x6d, 0x13, 0x75, 0x70,
+ 0x4b, 0xc0, 0xab, 0xea, 0x04, 0xe3, 0x78, 0x7e,
+ 0x73, 0xb9, 0x0f, 0xb6, 0xae, 0x90, 0xf3, 0x94,
+ 0xb2, 0x56, 0xda, 0xc8,
+ },
+ },
+ {
+ .data_len = 3,
+ .digest = {
+ 0x24, 0xf0, 0x8c, 0x6e, 0x9d, 0xd6, 0x06, 0x80,
+ 0x0a, 0x03, 0xee, 0x9b, 0x33, 0xec, 0x83, 0x42,
+ 0x2c, 0x8b, 0xe7, 0xc7, 0xc6, 0x04, 0xfb, 0xc6,
+ 0xa3, 0x3a, 0x4d, 0xc9,
+ },
+ },
+ {
+ .data_len = 16,
+ .digest = {
+ 0x1c, 0x08, 0xa8, 0x55, 0x8f, 0xc6, 0x0a, 0xea,
+ 0x2f, 0x1b, 0x54, 0xff, 0x8d, 0xd2, 0xa3, 0xc7,
+ 0x42, 0xc2, 0x93, 0x3d, 0x73, 0x18, 0x84, 0xba,
+ 0x75, 0x49, 0x34, 0xfd,
+ },
+ },
+ {
+ .data_len = 32,
+ .digest = {
+ 0x45, 0xdd, 0xb5, 0xf0, 0x3c, 0xda, 0xe6, 0xd4,
+ 0x6c, 0x86, 0x91, 0x29, 0x11, 0x2f, 0x88, 0x7d,
+ 0xd8, 0x3c, 0xa3, 0xd6, 0xdd, 0x1e, 0xac, 0x98,
+ 0xff, 0xf0, 0x14, 0x69,
+ },
+ },
+ {
+ .data_len = 48,
+ .digest = {
+ 0x0b, 0xfb, 0x71, 0x4c, 0x06, 0x7a, 0xd5, 0x89,
+ 0x76, 0x0a, 0x43, 0x8b, 0x2b, 0x47, 0x12, 0x56,
+ 0xa7, 0x64, 0x33, 0x1d, 0xd3, 0x44, 0x17, 0x95,
+ 0x23, 0xe7, 0x53, 0x01,
+ },
+ },
+ {
+ .data_len = 49,
+ .digest = {
+ 0xc4, 0xae, 0x9c, 0x33, 0xd5, 0x1d, 0xf4, 0xa7,
+ 0xfd, 0xb7, 0xd4, 0x6b, 0xc3, 0xeb, 0xa8, 0xbf,
+ 0xfb, 0x07, 0x89, 0x4b, 0x07, 0x15, 0x22, 0xec,
+ 0xe1, 0x45, 0x84, 0xba,
+ },
+ },
+ {
+ .data_len = 63,
+ .digest = {
+ 0xad, 0x01, 0x34, 0x2a, 0xe2, 0x3b, 0x58, 0x06,
+ 0x9f, 0x20, 0xc8, 0xfb, 0xf3, 0x20, 0x82, 0xa6,
+ 0x9f, 0xee, 0x7a, 0xbe, 0xdf, 0xf3, 0x5d, 0x57,
+ 0x9b, 0xce, 0x79, 0x96,
+ },
+ },
+ {
+ .data_len = 64,
+ .digest = {
+ 0xa7, 0xa6, 0x47, 0xf7, 0xed, 0x2a, 0xe5, 0xe3,
+ 0xc0, 0x1e, 0x7b, 0x40, 0xe4, 0xf7, 0x40, 0x65,
+ 0x42, 0xc1, 0x6f, 0x7d, 0x8d, 0x0d, 0x17, 0x4f,
+ 0xd3, 0xbc, 0x0d, 0x85,
+ },
+ },
+ {
+ .data_len = 65,
+ .digest = {
+ 0xc4, 0x9c, 0xb5, 0x6a, 0x01, 0x2d, 0x10, 0xa9,
+ 0x5f, 0xa4, 0x5a, 0xe1, 0xba, 0x40, 0x12, 0x09,
+ 0x7b, 0xea, 0xdb, 0xa6, 0x7b, 0xcb, 0x56, 0xf0,
+ 0xfd, 0x5b, 0xe2, 0xe7,
+ },
+ },
+ {
+ .data_len = 127,
+ .digest = {
+ 0x14, 0xda, 0x0e, 0x01, 0xca, 0x78, 0x7d, 0x2d,
+ 0x85, 0xa3, 0xca, 0x0e, 0x80, 0xf9, 0x95, 0x10,
+ 0xa1, 0x7b, 0xa5, 0xaa, 0xfc, 0x95, 0x05, 0x08,
+ 0x53, 0xda, 0x52, 0xee,
+ },
+ },
+ {
+ .data_len = 128,
+ .digest = {
+ 0xa5, 0x24, 0xc4, 0x54, 0xe1, 0x50, 0xab, 0xee,
+ 0x22, 0xc1, 0xa7, 0x27, 0x15, 0x2c, 0x6f, 0xf7,
+ 0x4c, 0x31, 0xe5, 0x15, 0x25, 0x4e, 0x71, 0xc6,
+ 0x7e, 0xa0, 0x11, 0x5d,
+ },
+ },
+ {
+ .data_len = 129,
+ .digest = {
+ 0x73, 0xd0, 0x8c, 0xce, 0xed, 0xed, 0x9f, 0xaa,
+ 0x21, 0xaf, 0xa2, 0x08, 0x80, 0x16, 0x15, 0x59,
+ 0x3f, 0x1d, 0x7f, 0x0a, 0x79, 0x3d, 0x7b, 0x58,
+ 0xf8, 0xc8, 0x5c, 0x27,
+ },
+ },
+ {
+ .data_len = 256,
+ .digest = {
+ 0x31, 0xa7, 0xa1, 0xca, 0x49, 0x72, 0x75, 0xcc,
+ 0x6e, 0x02, 0x9e, 0xad, 0xea, 0x86, 0x5c, 0x91,
+ 0x02, 0xe4, 0xc9, 0xf9, 0xd3, 0x9e, 0x74, 0x50,
+ 0xd8, 0x43, 0x6b, 0x85,
+ },
+ },
+ {
+ .data_len = 511,
+ .digest = {
+ 0x40, 0x60, 0x8b, 0xb0, 0x03, 0xa9, 0x75, 0xab,
+ 0x2d, 0x5b, 0x20, 0x9a, 0x05, 0x72, 0xb7, 0xa8,
+ 0xce, 0xf2, 0x4f, 0x66, 0x62, 0xe3, 0x7e, 0x24,
+ 0xd6, 0xe2, 0xea, 0xfa,
+ },
+ },
+ {
+ .data_len = 513,
+ .digest = {
+ 0x4f, 0x5f, 0x9f, 0x1e, 0xb3, 0x66, 0x81, 0xdb,
+ 0x41, 0x5d, 0x65, 0x97, 0x00, 0x8d, 0xdc, 0x62,
+ 0x03, 0xb0, 0x4d, 0x6b, 0x5c, 0x7f, 0x1e, 0xa0,
+ 0xfe, 0xfc, 0x0e, 0xb8,
+ },
+ },
+ {
+ .data_len = 1000,
+ .digest = {
+ 0x08, 0xa8, 0xa1, 0xc0, 0xd8, 0xf9, 0xb4, 0xaa,
+ 0x53, 0x22, 0xa1, 0x73, 0x0b, 0x45, 0xa0, 0x20,
+ 0x72, 0xf3, 0xa9, 0xbc, 0x51, 0xd0, 0x20, 0x79,
+ 0x69, 0x97, 0xf7, 0xe3,
+ },
+ },
+ {
+ .data_len = 3333,
+ .digest = {
+ 0xe8, 0x60, 0x5f, 0xb9, 0x12, 0xe1, 0x6b, 0x24,
+ 0xc5, 0xe8, 0x43, 0xa9, 0x5c, 0x3f, 0x65, 0xed,
+ 0xbe, 0xfd, 0x77, 0xf5, 0x47, 0xf2, 0x75, 0x21,
+ 0xc2, 0x8f, 0x54, 0x8f,
+ },
+ },
+ {
+ .data_len = 4096,
+ .digest = {
+ 0xc7, 0xdf, 0x50, 0x16, 0x10, 0x01, 0xb7, 0xdf,
+ 0x34, 0x1d, 0x18, 0xa2, 0xd5, 0xad, 0x1f, 0x50,
+ 0xf7, 0xa8, 0x9a, 0x72, 0xfb, 0xfd, 0xd9, 0x1c,
+ 0x57, 0xac, 0x08, 0x97,
+ },
+ },
+ {
+ .data_len = 4128,
+ .digest = {
+ 0xdf, 0x16, 0x76, 0x7f, 0xc0, 0x16, 0x84, 0x63,
+ 0xac, 0xcf, 0xd0, 0x78, 0x1e, 0x96, 0x67, 0xc5,
+ 0x3c, 0x06, 0xe9, 0xdb, 0x6e, 0x7d, 0xd0, 0x07,
+ 0xaa, 0xb1, 0x56, 0xc9,
+ },
+ },
+ {
+ .data_len = 4160,
+ .digest = {
+ 0x49, 0xec, 0x5c, 0x18, 0xd7, 0x5b, 0xda, 0xed,
+ 0x5b, 0x59, 0xde, 0x09, 0x34, 0xb2, 0x49, 0x43,
+ 0x62, 0x6a, 0x0a, 0x63, 0x6a, 0x51, 0x08, 0x37,
+ 0x8c, 0xb6, 0x29, 0x84,
+ },
+ },
+ {
+ .data_len = 4224,
+ .digest = {
+ 0x3d, 0xc2, 0xc8, 0x43, 0xcf, 0xb7, 0x33, 0x14,
+ 0x04, 0x93, 0xed, 0xe2, 0xcd, 0x8a, 0x69, 0x5c,
+ 0x5a, 0xd5, 0x9b, 0x52, 0xdf, 0x48, 0xa7, 0xaa,
+ 0x28, 0x2b, 0x5d, 0x27,
+ },
+ },
+ {
+ .data_len = 16384,
+ .digest = {
+ 0xa7, 0xaf, 0xda, 0x92, 0xe2, 0xe7, 0x61, 0xdc,
+ 0xa1, 0x32, 0x53, 0x2a, 0x3f, 0x41, 0x5c, 0x7e,
+ 0xc9, 0x89, 0xda, 0x1c, 0xf7, 0x8d, 0x00, 0xbd,
+ 0x21, 0x73, 0xb1, 0x69,
+ },
+ },
+};
diff --git a/lib/crypto/tests/sha224_kunit.c b/lib/crypto/tests/sha224_kunit.c
new file mode 100644
index 0000000000000..5015861a55112
--- /dev/null
+++ b/lib/crypto/tests/sha224_kunit.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2025 Google LLC
+ */
+#include <crypto/sha2.h>
+#include "sha224-testvecs.h"
+
+/* TODO: add sha224() to the library itself */
+static inline void sha224(const u8 *data, size_t len,
+ u8 out[SHA224_DIGEST_SIZE])
+{
+ struct sha256_state state;
+
+ sha224_init(&state);
+ sha256_update(&state, data, len);
+ sha224_final(&state, out);
+}
+
+#define HASH sha224
+#define HASH_CTX sha256_state
+#define HASH_SIZE SHA224_DIGEST_SIZE
+#define HASH_INIT sha224_init
+#define HASH_UPDATE sha256_update
+#define HASH_FINAL sha224_final
+#define HASH_TESTVECS sha224_testvecs
+/* TODO: add HMAC-SHA224 support to the library, then enable the tests for it */
+#include "hash-test-template.h"
+
+static struct kunit_case hash_test_cases[] = {
+ KUNIT_CASE(test_hash_test_vectors),
+ KUNIT_CASE(test_hash_incremental_updates),
+ KUNIT_CASE(test_hash_buffer_overruns),
+ KUNIT_CASE(test_hash_overlaps),
+ KUNIT_CASE(test_hash_alignment_consistency),
+ KUNIT_CASE(test_hash_interrupt_context),
+ KUNIT_CASE(test_hash_ctx_zeroization),
+ KUNIT_CASE(benchmark_hash),
+ {},
+};
+
+static struct kunit_suite hash_test_suite = {
+ .name = "sha224",
+ .test_cases = hash_test_cases,
+ .suite_init = hash_suite_init,
+ .suite_exit = hash_suite_exit,
+};
+kunit_test_suite(hash_test_suite);
+
+MODULE_DESCRIPTION("KUnit tests and benchmark for SHA-224");
+MODULE_LICENSE("GPL");
diff --git a/lib/crypto/tests/sha256-testvecs.h b/lib/crypto/tests/sha256-testvecs.h
new file mode 100644
index 0000000000000..2b0912a101833
--- /dev/null
+++ b/lib/crypto/tests/sha256-testvecs.h
@@ -0,0 +1,223 @@
+/* This file was generated by: ./scripts/crypto/gen-hash-testvecs.py sha256 */
+
+static const struct {
+ size_t data_len;
+ u8 digest[SHA256_DIGEST_SIZE];
+} sha256_testvecs[] = {
+ {
+ .data_len = 0,
+ .digest = {
+ 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
+ 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
+ 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
+ 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55,
+ },
+ },
+ {
+ .data_len = 1,
+ .digest = {
+ 0x45, 0xf8, 0x3d, 0x17, 0xe1, 0x0b, 0x34, 0xfc,
+ 0xa0, 0x1e, 0xb8, 0xf4, 0x45, 0x4d, 0xac, 0x34,
+ 0xa7, 0x77, 0xd9, 0x40, 0x4a, 0x46, 0x4e, 0x73,
+ 0x2c, 0xf4, 0xab, 0xf2, 0xc0, 0xda, 0x94, 0xc4,
+ },
+ },
+ {
+ .data_len = 2,
+ .digest = {
+ 0xf9, 0xd3, 0x52, 0x2f, 0xd5, 0xe0, 0x99, 0x15,
+ 0x1c, 0xd6, 0xa9, 0x24, 0x4f, 0x40, 0xba, 0x25,
+ 0x33, 0x43, 0x3e, 0xe1, 0x78, 0x6a, 0xfe, 0x7d,
+ 0x07, 0xe2, 0x29, 0x7b, 0x6d, 0xc5, 0x73, 0xf5,
+ },
+ },
+ {
+ .data_len = 3,
+ .digest = {
+ 0x71, 0xf7, 0xa1, 0xef, 0x69, 0x86, 0x0e, 0xe4,
+ 0x87, 0x25, 0x58, 0x4c, 0x07, 0x2c, 0xfc, 0x60,
+ 0xc5, 0xf6, 0xe2, 0x44, 0xaa, 0xfb, 0x41, 0xc7,
+ 0x2b, 0xc5, 0x01, 0x8c, 0x39, 0x98, 0x30, 0x37,
+ },
+ },
+ {
+ .data_len = 16,
+ .digest = {
+ 0x09, 0x95, 0x9a, 0xfa, 0x25, 0x18, 0x86, 0x06,
+ 0xfe, 0x65, 0xc9, 0x2f, 0x91, 0x15, 0x74, 0x06,
+ 0x6c, 0xbf, 0xef, 0x7b, 0x0b, 0xc7, 0x2c, 0x05,
+ 0xdd, 0x17, 0x5d, 0x6f, 0x8a, 0xa5, 0xde, 0x3c,
+ },
+ },
+ {
+ .data_len = 32,
+ .digest = {
+ 0xe5, 0x52, 0x3c, 0x85, 0xea, 0x1b, 0xe1, 0x6c,
+ 0xe0, 0xdb, 0xc3, 0xef, 0xf0, 0xca, 0xc2, 0xe1,
+ 0xb9, 0x36, 0xa1, 0x28, 0xb6, 0x9e, 0xf5, 0x6e,
+ 0x70, 0xf7, 0xf9, 0xa7, 0x1c, 0xd3, 0x22, 0xd0,
+ },
+ },
+ {
+ .data_len = 48,
+ .digest = {
+ 0x5f, 0x84, 0xd4, 0xd7, 0x2e, 0x80, 0x09, 0xef,
+ 0x1c, 0x77, 0x7c, 0x25, 0x59, 0x63, 0x88, 0x64,
+ 0xfd, 0x56, 0xea, 0x23, 0xf4, 0x4f, 0x2e, 0x49,
+ 0xcd, 0xb4, 0xaa, 0xc7, 0x5c, 0x8b, 0x75, 0x84,
+ },
+ },
+ {
+ .data_len = 49,
+ .digest = {
+ 0x22, 0x6e, 0xca, 0xda, 0x00, 0x2d, 0x90, 0x96,
+ 0x24, 0xf8, 0x55, 0x17, 0x11, 0xda, 0x42, 0x1c,
+ 0x78, 0x4e, 0xbf, 0xd9, 0xc5, 0xcf, 0xf3, 0xe3,
+ 0xaf, 0xd3, 0x60, 0xcd, 0xaa, 0xe2, 0xc7, 0x22,
+ },
+ },
+ {
+ .data_len = 63,
+ .digest = {
+ 0x97, 0xe2, 0x74, 0xdc, 0x6b, 0xa4, 0xaf, 0x32,
+ 0x3b, 0x50, 0x6d, 0x80, 0xb5, 0xd3, 0x0c, 0x36,
+ 0xea, 0x3f, 0x5d, 0x36, 0xa7, 0x49, 0x51, 0xf3,
+ 0xbd, 0x69, 0x68, 0x60, 0x9b, 0xde, 0x73, 0xf5,
+ },
+ },
+ {
+ .data_len = 64,
+ .digest = {
+ 0x13, 0x74, 0xb1, 0x72, 0xd6, 0x53, 0x48, 0x28,
+ 0x42, 0xd8, 0xba, 0x64, 0x20, 0x60, 0xb6, 0x4c,
+ 0xc3, 0xac, 0x5d, 0x93, 0x8c, 0xb9, 0xd4, 0xcc,
+ 0xb4, 0x9f, 0x31, 0x1f, 0xeb, 0x68, 0x35, 0x58,
+ },
+ },
+ {
+ .data_len = 65,
+ .digest = {
+ 0xda, 0xbe, 0xd7, 0xbc, 0x6e, 0xe6, 0x5a, 0x57,
+ 0xeb, 0x9a, 0x93, 0xaa, 0x66, 0xd0, 0xe0, 0xc4,
+ 0x29, 0x7f, 0xe9, 0x3b, 0x8e, 0xdf, 0x81, 0x82,
+ 0x8d, 0x15, 0x11, 0x59, 0x4e, 0x13, 0xa5, 0x58,
+ },
+ },
+ {
+ .data_len = 127,
+ .digest = {
+ 0x8c, 0x1a, 0xba, 0x40, 0x66, 0x94, 0x19, 0xf4,
+ 0x2e, 0xa2, 0xae, 0x94, 0x53, 0x18, 0xb6, 0xfd,
+ 0xa0, 0x12, 0xc5, 0xef, 0xd5, 0xd6, 0x1b, 0xa1,
+ 0x37, 0xea, 0x19, 0x44, 0x35, 0x54, 0x85, 0x74,
+ },
+ },
+ {
+ .data_len = 128,
+ .digest = {
+ 0xfd, 0x07, 0xd8, 0x77, 0x7d, 0x8b, 0x4f, 0xee,
+ 0x60, 0x60, 0x26, 0xef, 0x2a, 0x86, 0xfb, 0x67,
+ 0xeb, 0x31, 0x27, 0x03, 0x99, 0x3c, 0xde, 0xe5,
+ 0x84, 0x72, 0x71, 0x4c, 0x33, 0x7b, 0x87, 0x13,
+ },
+ },
+ {
+ .data_len = 129,
+ .digest = {
+ 0x97, 0xc5, 0x58, 0x38, 0x20, 0xc7, 0xde, 0xfa,
+ 0xdd, 0x9b, 0x10, 0xc6, 0xc2, 0x2f, 0x94, 0xb5,
+ 0xc0, 0x33, 0xc0, 0x20, 0x1c, 0x2f, 0xb4, 0x28,
+ 0x5e, 0x36, 0xfa, 0x8c, 0x24, 0x1c, 0x18, 0x27,
+ },
+ },
+ {
+ .data_len = 256,
+ .digest = {
+ 0x62, 0x17, 0x84, 0x26, 0x98, 0x30, 0x57, 0xca,
+ 0x4f, 0x32, 0xd9, 0x09, 0x09, 0x34, 0xe2, 0xcb,
+ 0x92, 0x45, 0xd5, 0xeb, 0x8b, 0x9b, 0x3c, 0xd8,
+ 0xaa, 0xc7, 0xd2, 0x2b, 0x04, 0xab, 0xb3, 0x35,
+ },
+ },
+ {
+ .data_len = 511,
+ .digest = {
+ 0x7f, 0xe1, 0x09, 0x78, 0x5d, 0x61, 0xfa, 0x5e,
+ 0x9b, 0x8c, 0xb1, 0xa9, 0x09, 0x69, 0xb4, 0x24,
+ 0x54, 0xf2, 0x1c, 0xc9, 0x5f, 0xfb, 0x59, 0x9d,
+ 0x36, 0x1b, 0x37, 0x44, 0xfc, 0x64, 0x79, 0xb6,
+ },
+ },
+ {
+ .data_len = 513,
+ .digest = {
+ 0xd2, 0x3b, 0x3a, 0xe7, 0x13, 0x4f, 0xbd, 0x29,
+ 0x6b, 0xd2, 0x79, 0x26, 0x6c, 0xd2, 0x22, 0x43,
+ 0x25, 0x34, 0x9b, 0x9b, 0x22, 0xb0, 0x9f, 0x61,
+ 0x1d, 0xf4, 0xe2, 0x65, 0x68, 0x95, 0x02, 0x6c,
+ },
+ },
+ {
+ .data_len = 1000,
+ .digest = {
+ 0x0c, 0x34, 0x53, 0x3f, 0x0f, 0x8a, 0x39, 0x8d,
+ 0x63, 0xe4, 0x83, 0x6e, 0x11, 0x7d, 0x14, 0x8e,
+ 0x5b, 0xf0, 0x4d, 0xca, 0x23, 0x24, 0xb5, 0xd2,
+ 0x13, 0x3f, 0xd9, 0xde, 0x84, 0x74, 0x26, 0x59,
+ },
+ },
+ {
+ .data_len = 3333,
+ .digest = {
+ 0xa8, 0xb8, 0x83, 0x01, 0x1b, 0x38, 0x7a, 0xca,
+ 0x59, 0xe9, 0x5b, 0x37, 0x6a, 0xab, 0xb4, 0x85,
+ 0x94, 0x73, 0x26, 0x04, 0xef, 0xed, 0xf4, 0x0d,
+ 0xd6, 0x09, 0x21, 0x09, 0x96, 0x78, 0xe3, 0xcf,
+ },
+ },
+ {
+ .data_len = 4096,
+ .digest = {
+ 0x0b, 0x12, 0x66, 0x96, 0x78, 0x4f, 0x2c, 0x35,
+ 0xa4, 0xed, 0xbc, 0xb8, 0x30, 0xa6, 0x37, 0x9b,
+ 0x94, 0x13, 0xae, 0x86, 0xf0, 0x20, 0xfb, 0x49,
+ 0x8f, 0x5d, 0x20, 0x70, 0x60, 0x2b, 0x02, 0x70,
+ },
+ },
+ {
+ .data_len = 4128,
+ .digest = {
+ 0xe4, 0xbd, 0xe4, 0x3b, 0x85, 0xf4, 0x6f, 0x11,
+ 0xad, 0xc4, 0x79, 0xcc, 0x8e, 0x6d, 0x8b, 0x15,
+ 0xbb, 0xf9, 0xd3, 0x65, 0xe1, 0xf8, 0x8d, 0x22,
+ 0x65, 0x66, 0x66, 0xb3, 0xf5, 0xd0, 0x9c, 0xaf,
+ },
+ },
+ {
+ .data_len = 4160,
+ .digest = {
+ 0x90, 0x5f, 0xe0, 0xfc, 0xb1, 0xdc, 0x38, 0x1b,
+ 0xe5, 0x37, 0x3f, 0xd2, 0xcc, 0x48, 0xc4, 0xbc,
+ 0xb4, 0xfd, 0xf7, 0x71, 0x5f, 0x6b, 0xf4, 0xc4,
+ 0xa6, 0x08, 0x7e, 0xfc, 0x4e, 0x96, 0xf7, 0xc2,
+ },
+ },
+ {
+ .data_len = 4224,
+ .digest = {
+ 0x1f, 0x34, 0x0a, 0x3b, 0xdb, 0xf7, 0x7a, 0xdb,
+ 0x3d, 0x89, 0x85, 0x0c, 0xd2, 0xf0, 0x0c, 0xbd,
+ 0x25, 0x39, 0x14, 0x06, 0x28, 0x0f, 0x6b, 0x5f,
+ 0xe3, 0x1f, 0x2a, 0xb6, 0xca, 0x56, 0x41, 0xa1,
+ },
+ },
+ {
+ .data_len = 16384,
+ .digest = {
+ 0x7b, 0x01, 0x2d, 0x84, 0x70, 0xee, 0xe0, 0x77,
+ 0x3c, 0x17, 0x63, 0xfe, 0x40, 0xd7, 0xfd, 0xa1,
+ 0x75, 0x90, 0xb8, 0x3e, 0x50, 0xcd, 0x06, 0xb7,
+ 0xb9, 0xb9, 0x2b, 0x91, 0x4f, 0xba, 0xe4, 0x4c,
+ },
+ },
+};
diff --git a/lib/crypto/tests/sha256_kunit.c b/lib/crypto/tests/sha256_kunit.c
new file mode 100644
index 0000000000000..4002acfbe66b0
--- /dev/null
+++ b/lib/crypto/tests/sha256_kunit.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2025 Google LLC
+ */
+#include <crypto/sha2.h>
+#include "sha256-testvecs.h"
+
+#define HASH sha256
+#define HASH_CTX sha256_state
+#define HASH_SIZE SHA256_DIGEST_SIZE
+#define HASH_INIT sha256_init
+#define HASH_UPDATE sha256_update
+#define HASH_FINAL sha256_final
+#define HASH_TESTVECS sha256_testvecs
+/* TODO: add HMAC-SHA256 support to the library, then enable the tests for it */
+#include "hash-test-template.h"
+
+static struct kunit_case hash_test_cases[] = {
+ KUNIT_CASE(test_hash_test_vectors),
+ KUNIT_CASE(test_hash_incremental_updates),
+ KUNIT_CASE(test_hash_buffer_overruns),
+ KUNIT_CASE(test_hash_overlaps),
+ KUNIT_CASE(test_hash_alignment_consistency),
+ KUNIT_CASE(test_hash_interrupt_context),
+ KUNIT_CASE(test_hash_ctx_zeroization),
+ KUNIT_CASE(benchmark_hash),
+ {},
+};
+
+static struct kunit_suite hash_test_suite = {
+ .name = "sha256",
+ .test_cases = hash_test_cases,
+ .suite_init = hash_suite_init,
+ .suite_exit = hash_suite_exit,
+};
+kunit_test_suite(hash_test_suite);
+
+MODULE_DESCRIPTION("KUnit tests and benchmark for SHA-256");
+MODULE_LICENSE("GPL");
--
2.49.0
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