Adds a test for the function sha256_hmac
Signed-off-by: Philippe Reynes philippe.reynes@softathome.com --- test/lib/Makefile | 1 + test/lib/test_sha256_hmac.c | 108 ++++++++++++++++++++++++++++++++++++ 2 files changed, 109 insertions(+) create mode 100644 test/lib/test_sha256_hmac.c
diff --git a/test/lib/Makefile b/test/lib/Makefile index e75a263e6a4..170c5a539ca 100644 --- a/test/lib/Makefile +++ b/test/lib/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_ERRNO_STR) += test_errno_str.o obj-$(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_GETOPT) += getopt.o obj-$(CONFIG_CRC8) += test_crc8.o obj-$(CONFIG_UT_LIB_CRYPT) += test_crypt.o diff --git a/test/lib/test_sha256_hmac.c b/test/lib/test_sha256_hmac.c new file mode 100644 index 00000000000..473922bd9b0 --- /dev/null +++ b/test/lib/test_sha256_hmac.c @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024 Philippe Reynes philippe.reynes@softathome.com + * + * Unit tests for sha256_hmac functions + */ + +#include <command.h> +#include <test/lib.h> +#include <test/test.h> +#include <test/ut.h> +#include <u-boot/sha256.h> + +struct test_sha256_hmac_s { + unsigned char *key; + int keylen; + unsigned char *input; + int ilen; + unsigned char *expected; +}; + +/* + * data comes from: + * https://datatracker.ietf.org/doc/html/rfc4231 + */ +static unsigned char key_test1[] = { + 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, + 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b }; + +static unsigned char input_test1[] = { + 0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65 }; + +static unsigned char expected_test1[] = { + 0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53, + 0x5c, 0xa8, 0xaf, 0xce, 0xaf, 0x0b, 0xf1, 0x2b, + 0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83, 0x3d, 0xa7, + 0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7 }; + +static unsigned char key_test2[] = { 0x4a, 0x65, 0x66, 0x65 }; + +static unsigned char input_test2[] = { + 0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20, + 0x79, 0x61, 0x20, 0x77, 0x61, 0x6e, 0x74, 0x20, + 0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68, + 0x69, 0x6e, 0x67, 0x3f }; + +static unsigned char expected_test2[] = { + 0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e, + 0x6a, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xc7, + 0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83, + 0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43 }; + +static struct test_sha256_hmac_s test_sha256_hmac[] = { + { + .key = key_test1, + .keylen = sizeof(key_test1), + .input = input_test1, + .ilen = sizeof(input_test1), + .expected = expected_test1, + }, + { + .key = key_test2, + .keylen = sizeof(key_test2), + .input = input_test2, + .ilen = sizeof(input_test2), + .expected = expected_test2, + }, +}; + +static int _lib_test_sha256_hmac_run(struct unit_test_state *uts, + unsigned char *key, int keylen, + unsigned char *input, int ilen, + unsigned char *expected) +{ + unsigned char output[32]; + + sha256_hmac(key, keylen, input, ilen, output); + ut_asserteq_mem(expected, output, 32); + + return 0; +} + +static int lib_test_sha256_hmac_run(struct unit_test_state *uts, + struct test_sha256_hmac_s *test) +{ + unsigned char *key = test->key; + int keylen = test->keylen; + unsigned char *input = test->input; + int ilen = test->ilen; + unsigned char *expected = test->expected; + + return _lib_test_sha256_hmac_run(uts, key, keylen, input, ilen, expected); +} + +static int lib_test_sha256_hmac(struct unit_test_state *uts) +{ + int i, ret = 0; + + for (i = 0; i < ARRAY_SIZE(test_sha256_hmac); i++) { + ret = lib_test_sha256_hmac_run(uts, &test_sha256_hmac[i]); + if (ret) + break; + } + + return ret; +} + +LIB_TEST(lib_test_sha256_hmac, 0);