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 14 static 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 33 static 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 58 int setup_tests(void) 59 { 60 ADD_TEST(cipher_overhead); 61 return 1; 62 } 63