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/*
* Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "internal/nelem.h"
#include "testutil.h"
#include "../ssl/ssl_local.h"
static int cipher_enabled(const SSL_CIPHER *ciph)
{
/*
* ssl_cipher_get_overhead() actually works with AEAD ciphers even if the
* underlying implementation is not present.
*/
if ((ciph->algorithm_mac & SSL_AEAD) != 0)
return 1;
if (ciph->algorithm_enc != SSL_eNULL
&& EVP_get_cipherbynid(SSL_CIPHER_get_cipher_nid(ciph)) == NULL)
return 0;
if (EVP_get_digestbynid(SSL_CIPHER_get_digest_nid(ciph)) == NULL)
return 0;
return 1;
}
static int cipher_overhead(void)
{
int ret = 1, i, n = ssl3_num_ciphers();
const SSL_CIPHER *ciph;
size_t mac, in, blk, ex;
for (i = 0; i < n; i++) {
ciph = ssl3_get_cipher(i);
if (!ciph->min_dtls)
continue;
if (!cipher_enabled(ciph)) {
TEST_skip("Skipping disabled cipher %s", ciph->name);
continue;
}
if (!TEST_true(ssl_cipher_get_overhead(ciph, &mac, &in, &blk, &ex))) {
TEST_info("Failed getting %s", ciph->name);
ret = 0;
} else {
TEST_info("Cipher %s: %zu %zu %zu %zu",
ciph->name, mac, in, blk, ex);
}
}
return ret;
}
int setup_tests(void)
{
ADD_TEST(cipher_overhead);
return 1;
}
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