Hi Philippe,
On Thu, 12 Dec 2024 at 08:37, Philippe Reynes < philippe.reynes@softathome.com> wrote:
Adds a test for the function sha256_hkdf.
Signed-off-by: Philippe Reynes philippe.reynes@softathome.com
test/lib/Makefile | 1 + test/lib/test_sha256_hkdf.c | 107 ++++++++++++++++++++++++++++++++++++ 2 files changed, 108 insertions(+) create mode 100644 test/lib/test_sha256_hkdf.c
diff --git a/test/lib/Makefile b/test/lib/Makefile index 4c0abcba81a..24ce6ed8f00 100644 --- a/test/lib/Makefile +++ b/test/lib/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_UT_LIB_ASN1) += asn1.o obj-$(CONFIG_UT_LIB_RSA) += rsa.o obj-$(CONFIG_AES) += test_aes.o obj-$(CONFIG_SHA256) += test_sha256_hmac.o +obj-$(CONFIG_HKDF_MBEDTLS) += test_sha256_hkdf.o obj-$(CONFIG_GETOPT) += getopt.o obj-$(CONFIG_CRC8) += test_crc8.o obj-$(CONFIG_UT_LIB_CRYPT) += test_crypt.o diff --git a/test/lib/test_sha256_hkdf.c b/test/lib/test_sha256_hkdf.c new file mode 100644 index 00000000000..00090ffbc24 --- /dev/null +++ b/test/lib/test_sha256_hkdf.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- Copyright (c) 2024 Philippe Reynes philippe.reynes@softathome.com
- Unit tests for sha256_hkdf functions
- */
+#include <command.h> +#include <test/lib.h> +#include <test/test.h> +#include <test/ut.h> +#include <u-boot/sha256.h>
+struct test_sha256_hkdf_s {
unsigned char *salt;int saltlen;unsigned char *ikm;int ikmlen;unsigned char *info;int infolen;unsigned char *expected;int expectedlen;+};
+/*
- data comes from:
- */
Shall we consider more test vectors for: Zero-length salt. Zero-length info. Maximum-length output.
+static unsigned char salt_test1[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c };+static unsigned char ikm_test1[] = {
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b };+static unsigned char info_test1[] = {
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9 };+static unsigned char expected_test1[] = {
0x3c, 0xb2, 0x5f, 0x25, 0xfa, 0xac, 0xd5, 0x7a,0x90, 0x43, 0x4f, 0x64, 0xd0, 0x36, 0x2f, 0x2a,0x2d, 0x2d, 0x0a, 0x90, 0xcf, 0x1a, 0x5a, 0x4c,0x5d, 0xb0, 0x2d, 0x56, 0xec, 0xc4, 0xc5, 0xbf,0x34, 0x00, 0x72, 0x08, 0xd5, 0xb8, 0x87, 0x18,0x58, 0x65 };+static struct test_sha256_hkdf_s test_sha256_hkdf[] = {
{.salt = salt_test1,.saltlen = sizeof(salt_test1),.ikm = ikm_test1,.ikmlen = sizeof(ikm_test1),.info = info_test1,.infolen = sizeof(info_test1),.expected = expected_test1,.expectedlen = sizeof(expected_test1),},+};
+static int _lib_test_sha256_hkdf_run(struct unit_test_state *uts,
unsigned char *salt, int saltlen,unsigned char *ikm, int ikmlen,unsigned char *info, int infolen,unsigned char *expected, intexpectedlen) +{
unsigned char output[64];
Please use SHA512_SUM_LEN to avoid magic numbers.
int ret;ut_assert(expectedlen <= sizeof(output));ret = sha256_hkdf(salt, saltlen, ikm, ikmlen, info, infolen,output, expectedlen);
ut_assert(!ret);ut_asserteq_mem(expected, output, expectedlen);return 0;+}
+static int lib_test_sha256_hkdf_run(struct unit_test_state *uts,
struct test_sha256_hkdf_s *test)+{
unsigned char *salt = test->salt;int saltlen = test->saltlen;unsigned char *ikm = test->ikm;int ikmlen = test->ikmlen;unsigned char *info = test->info;int infolen = test->infolen;unsigned char *expected = test->expected;int expectedlen = test->expectedlen;return _lib_test_sha256_hkdf_run(uts, salt, saltlen, ikm, ikmlen,info, infolen, expected,expectedlen); +}
+static int lib_test_sha256_hkdf(struct unit_test_state *uts) +{
int i, ret = 0;for (i = 0; i < ARRAY_SIZE(test_sha256_hkdf); i++) {ret = lib_test_sha256_hkdf_run(uts, &test_sha256_hkdf[i]);if (ret)break;}return ret;+}
+LIB_TEST(lib_test_sha256_hkdf, 0);
2.25.1
Regards, Raymond