1/*
2 * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "internal/nelem.h"
11#include "testutil.h"
12#include "../ssl/ssl_local.h"
13
14static int cipher_enabled(const SSL_CIPHER *ciph)
15{
16    /*
17     * ssl_cipher_get_overhead() actually works with AEAD ciphers even if the
18     * underlying implementation is not present.
19     */
20    if ((ciph->algorithm_mac & SSL_AEAD) != 0)
21        return 1;
22
23    if (ciph->algorithm_enc != SSL_eNULL
24            && EVP_get_cipherbynid(SSL_CIPHER_get_cipher_nid(ciph)) == NULL)
25        return 0;
26
27    if (EVP_get_digestbynid(SSL_CIPHER_get_digest_nid(ciph)) == NULL)
28        return 0;
29
30    return 1;
31}
32
33static int cipher_overhead(void)
34{
35    int ret = 1, i, n = ssl3_num_ciphers();
36    const SSL_CIPHER *ciph;
37    size_t mac, in, blk, ex;
38
39    for (i = 0; i < n; i++) {
40        ciph = ssl3_get_cipher(i);
41        if (!ciph->min_dtls)
42            continue;
43        if (!cipher_enabled(ciph)) {
44            TEST_skip("Skipping disabled cipher %s", ciph->name);
45            continue;
46        }
47        if (!TEST_true(ssl_cipher_get_overhead(ciph, &mac, &in, &blk, &ex))) {
48            TEST_info("Failed getting %s", ciph->name);
49            ret = 0;
50        } else {
51            TEST_info("Cipher %s: %zu %zu %zu %zu",
52                      ciph->name, mac, in, blk, ex);
53        }
54    }
55    return ret;
56}
57
58int setup_tests(void)
59{
60    ADD_TEST(cipher_overhead);
61    return 1;
62}
63