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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "hexdecoct.h"
#include "sha256.h"
#include "string-util.h"
#include "tests.h"
static void sha256_process_string(const char *key, struct sha256_ctx *ctx) {
sha256_process_bytes(key, strlen(key), ctx);
}
static void test_sha256_one(const char *key, const char *expect) {
uint8_t result[SHA256_DIGEST_SIZE + 3];
_cleanup_free_ char *str = NULL;
struct sha256_ctx ctx;
log_debug("\"%s\" → %s", key, expect);
assert_se(str = new(char, strlen(key) + 4));
/* This tests unaligned buffers. */
for (size_t i = 0; i < 4; i++) {
strcpy(str + i, key);
for (size_t j = 0; j < 4; j++) {
_cleanup_free_ char *hex_result = NULL;
sha256_init_ctx(&ctx);
sha256_process_string(str + i, &ctx);
sha256_finish_ctx(&ctx, result + j);
hex_result = hexmem(result + j, SHA256_DIGEST_SIZE);
ASSERT_STREQ(hex_result, expect);
}
}
}
TEST(sha256) {
/* Results compared with output of 'echo -n "<input>" | sha256sum -' */
test_sha256_one("abcdefghijklmnopqrstuvwxyz",
"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73");
test_sha256_one("ほげほげあっちょんぶりけ",
"ce7225683653be3b74861c5a4323b6baf3c3ceb361413ca99e3a5b52c04411bd");
test_sha256_one("0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789",
"9cfe7faff7054298ca87557e15a10262de8d3eee77827417fbdfea1c41b9ec23");
}
DEFINE_TEST_MAIN(LOG_INFO);
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