C++ OSSL_NELEM函数代码示例

static void devcrypto_select_all_digests(int *digest_list)
{
    size_t i;

    for (i = 0; i < OSSL_NELEM(digest_data); i++)
        digest_list[i] = 1;
}

int setup_tests(void)
{
    if (test_has_option("-h")) {
        printf("-h\tThis help\n");
        printf("-b\tBenchmark gcm128 in addition to the tests\n");
        return 1;
    }

    ADD_ALL_TESTS(test_aes_cts128, OSSL_NELEM(aes_cts128_vectors));
    ADD_ALL_TESTS(test_aes_cts128_nist, OSSL_NELEM(aes_cts128_vectors));
    ADD_ALL_TESTS(test_gcm128, OSSL_NELEM(gcm128_vectors));
    return 1;
}

static void open_random_devices(void)
{
    size_t i;

    for (i = 0; i < OSSL_NELEM(random_devices); i++)
        (void)get_random_device(i);
}

static void devcrypto_select_all_ciphers(int *cipher_list)
{
    size_t i;

    for (i = 0; i < OSSL_NELEM(cipher_data); i++)
        cipher_list[i] = 1;
}

static void dump_cipher_info(void)
{
    size_t i;
    const char *name;

    fprintf (stderr, "Information about ciphers supported by the /dev/crypto"
             " engine:\n");
#ifndef CIOCGSESSINFO
    fprintf(stderr, "CIOCGSESSINFO (session info call) unavailable\n");
#endif
    for (i = 0; i < OSSL_NELEM(cipher_data); i++) {
        name = OBJ_nid2sn(cipher_data[i].nid);
        fprintf (stderr, "Cipher %s, NID=%d, /dev/crypto info: id=%d, ",
                 name ? name : "unknown", cipher_data[i].nid,
                 cipher_data[i].devcryptoid);
        if (cipher_driver_info[i].status == DEVCRYPTO_STATUS_NO_CIOCGSESSION ) {
            fprintf (stderr, "CIOCGSESSION (session open call) failed\n");
            continue;
        }
        fprintf (stderr, "driver=%s ", cipher_driver_info[i].driver_name ?
                 cipher_driver_info[i].driver_name : "unknown");
        if (cipher_driver_info[i].accelerated == DEVCRYPTO_ACCELERATED)
            fprintf(stderr, "(hw accelerated)");
        else if (cipher_driver_info[i].accelerated == DEVCRYPTO_NOT_ACCELERATED)
            fprintf(stderr, "(software)");
        else
            fprintf(stderr, "(acceleration status unknown)");
        if (cipher_driver_info[i].status == DEVCRYPTO_STATUS_FAILURE)
            fprintf (stderr, ". Cipher setup failed");
        fprintf(stderr, "\n");
    }
    fprintf(stderr, "\n");
}

static void destroy_all_digest_methods()
{
    size_t i;

    for (i = 0; i < OSSL_NELEM(digest_data); i++)
        destroy_digest_method(digest_data[i].nid);
}

static int test_sparse_array_num(void)
{
    static const struct {
        size_t num;
        size_t n;
        char *v;
    } cases[] = {
        { 1, 22, "a" }, { 2, 1021, "b" }, { 3, 3, "c" }, { 2, 22, NULL },
        { 2, 3, "d" }, { 3, 22, "e" }, { 3, 666, NULL }, { 4, 666, "f" },
        { 3, 3, NULL }, { 2, 22, NULL }, { 1, 666, NULL }, { 2, 64000, "g" },
        { 1, 1021, NULL }, { 0, 64000, NULL }, { 1, 23, "h" }, { 0, 23, NULL }
    };
    SPARSE_ARRAY_OF(char) *sa = NULL;
    size_t i;
    int res = 0;

    if (!TEST_size_t_eq(ossl_sa_char_num(NULL), 0)
            || !TEST_ptr(sa = ossl_sa_char_new())
            || !TEST_size_t_eq(ossl_sa_char_num(sa), 0))
        goto err;
    for (i = 0; i < OSSL_NELEM(cases); i++)
        if (!TEST_true(ossl_sa_char_set(sa, cases[i].n, cases[i].v))
                || !TEST_size_t_eq(ossl_sa_char_num(sa), cases[i].num))
            goto err;
    res = 1;
err:
    ossl_sa_char_free(sa);
    return res;
}

static int parse_server_options(SSL_TEST_SERVER_CONF *server, const CONF *conf,
                                const char *server_section)
{
    STACK_OF(CONF_VALUE) *sk_conf;
    int i;
    size_t j;

    sk_conf = NCONF_get_section(conf, server_section);
    TEST_check(sk_conf != NULL);

    for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
        int found = 0;
        const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
        for (j = 0; j < OSSL_NELEM(ssl_test_server_options); j++) {
            if (strcmp(option->name, ssl_test_server_options[j].name) == 0) {
                if (!ssl_test_server_options[j].parse(server, option->value)) {
                    fprintf(stderr, "Bad value %s for option %s\n",
                            option->value, option->name);
                    return 0;
                }
                found = 1;
                break;
            }
        }
        if (!found) {
            fprintf(stderr, "Unknown test option: %s\n", option->name);
            return 0;
        }
    }

    return 1;
}

static void destroy_all_cipher_methods()
{
    size_t i;

    for (i = 0; i < OSSL_NELEM(cipher_data); i++)
        destroy_cipher_method(cipher_data[i].nid);
}

static int test_SU_stack(void)
{
    STACK_OF(SU) *s = sk_SU_new_null();
    SU v[10];
    const int n = OSSL_NELEM(v);
    int i;
    int testresult = 0;

    /* allocate and push */
    for (i = 0; i < n; i++) {
        if ((i & 1) == 0)
            v[i].n = i;
        else
            v[i].c = 'A' + i;
        if (!TEST_int_eq(sk_SU_num(s), i)) {
            TEST_info("SU stack size %d", i);
            goto end;
        }
        sk_SU_push(s, v + i);
    }
    if (!TEST_int_eq(sk_SU_num(s), n))
        goto end;

    /* check the pointers are correct */
    for (i = 0; i < n; i++)
        if (!TEST_ptr_eq(sk_SU_value(s, i),  v + i)) {
            TEST_info("SU pointer check %d", i);
            goto end;
        }

    testresult = 1;
end:
    sk_SU_free(s);
    return testresult;
}

int setup_tests(void)
{
#ifndef OPENSSL_NO_RC2
    ADD_ALL_TESTS(test_rc2, OSSL_NELEM(RC2key));
#endif
    return 1;
}

static int test_default_cipherlist(SSL_CTX *ctx)
{
    STACK_OF(SSL_CIPHER) *ciphers = NULL;
    SSL *ssl = NULL;
    int i, ret = 0, num_expected_ciphers, num_ciphers;
    uint32_t expected_cipher_id, cipher_id;

    if (ctx == NULL)
        return 0;

    if (!TEST_ptr(ssl = SSL_new(ctx))
            || !TEST_ptr(ciphers = SSL_get1_supported_ciphers(ssl)))
        goto err;

    num_expected_ciphers = OSSL_NELEM(default_ciphers_in_order);
    num_ciphers = sk_SSL_CIPHER_num(ciphers);
    if (!TEST_int_eq(num_ciphers, num_expected_ciphers))
        goto err;

    for (i = 0; i < num_ciphers; i++) {
        expected_cipher_id = default_ciphers_in_order[i];
        cipher_id = SSL_CIPHER_get_id(sk_SSL_CIPHER_value(ciphers, i));
        if (!TEST_int_eq(cipher_id, expected_cipher_id)) {
            TEST_info("Wrong cipher at position %d", i);
            goto err;
        }
    }

    ret = 1;

 err:
    sk_SSL_CIPHER_free(ciphers);
    SSL_free(ssl);
    return ret;
}

static int bind_afalg(ENGINE *e)
{
    /* Ensure the afalg error handling is set up */
    unsigned short i;
    ERR_load_AFALG_strings();

    if (!ENGINE_set_id(e, engine_afalg_id)
        || !ENGINE_set_name(e, engine_afalg_name)
        || !ENGINE_set_destroy_function(e, afalg_destroy)
        || !ENGINE_set_init_function(e, afalg_init)
        || !ENGINE_set_finish_function(e, afalg_finish)) {
        AFALGerr(AFALG_F_BIND_AFALG, AFALG_R_INIT_FAILED);
        return 0;
    }

    /*
     * Create _hidden_aes_xxx_cbc by calling afalg_aes_xxx_cbc
     * now, as bind_aflag can only be called by one thread at a
     * time.
     */
    for(i = 0; i < OSSL_NELEM(afalg_cipher_nids); i++) {
        if (afalg_aes_cbc(afalg_cipher_nids[i]) == NULL) {
            AFALGerr(AFALG_F_BIND_AFALG, AFALG_R_INIT_FAILED);
            return 0;
        }
    }

    if (!ENGINE_set_ciphers(e, afalg_ciphers)) {
        AFALGerr(AFALG_F_BIND_AFALG, AFALG_R_INIT_FAILED);
        return 0;
    }

    return 1;
}

int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
{
    nid_triple tmp;
    const nid_triple *t = &tmp;
    const nid_triple **rv = NULL;

    tmp.hash_id = dig_nid;
    tmp.pkey_id = pkey_nid;

    if (sigx_app) {
        int idx = sk_nid_triple_find(sigx_app, &tmp);
        if (idx >= 0) {
            t = sk_nid_triple_value(sigx_app, idx);
            rv = &t;
        }
    }
#ifndef OBJ_XREF_TEST2
    if (rv == NULL) {
        rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref));
    }
#endif
    if (rv == NULL)
        return 0;
    if (psignid)
        *psignid = (*rv)->sign_id;
    return 1;
}

int EVP_PBE_find(int type, int pbe_nid,
                 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
{
    EVP_PBE_CTL *pbetmp = NULL, pbelu;
    int i;
    if (pbe_nid == NID_undef)
        return 0;

    pbelu.pbe_type = type;
    pbelu.pbe_nid = pbe_nid;

    if (pbe_algs) {
        i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
        if (i != -1)
            pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
    }
    if (pbetmp == NULL) {
        pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
    }
    if (pbetmp == NULL)
        return 0;
    if (pcnid)
        *pcnid = pbetmp->cipher_nid;
    if (pmnid)
        *pmnid = pbetmp->md_nid;
    if (pkeygen)
        *pkeygen = pbetmp->keygen;
    return 1;
}