tests/unit/test_hmac_sha256.cpp

/*
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 *     documentation and/or other materials provided with the distribution.
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 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 */

#include <openthread/config.h>
#include <openthread/openthread.h>

#include "common/debug.hpp"
#include "crypto/hmac_sha256.hpp"
#include "utils/wrap_string.h"

#include "test_platform.h"
#include "test_util.h"

void TestHmacSha256(void)
{
    static const struct
    {
        const char *key;
        const char *data;
        uint8_t hash[ot::Crypto::HmacSha256::kHashSize];
    } tests[] =
    {
        {
            "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
            "Hi There",
            {
                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,
            },
        },
        {
            NULL,
            NULL,
            {},
        },
    };

    otInstance *instance = testInitInstance();
    ot::Crypto::HmacSha256 hmac;
    uint8_t hash[ot::Crypto::HmacSha256::kHashSize];

    VerifyOrQuit(instance != NULL, "Null OpenThread instance");

    for (int i = 0; tests[i].key != NULL; i++)
    {
        hmac.Start(reinterpret_cast<const uint8_t *>(tests[i].key), static_cast<uint16_t>(strlen(tests[i].key)));
        hmac.Update(reinterpret_cast<const uint8_t *>(tests[i].data), static_cast<uint16_t>(strlen(tests[i].data)));
        hmac.Finish(hash);

        VerifyOrQuit(memcmp(hash, tests[i].hash, sizeof(tests[i].hash)) == 0,
                     "HMAC-SHA-256 failed\n");
    }

    testFreeInstance(instance);
}

#ifdef ENABLE_TEST_MAIN
int main(void)
{
    TestHmacSha256();
    printf("All tests passed\n");
    return 0;
}
#endif