From 8e63900a71df38ff204871006ab0851c8ed73744 Mon Sep 17 00:00:00 2001 From: raja-ashok Date: Thu, 7 Feb 2019 18:33:49 +0530 Subject: [PATCH] Add testcase for TLS1.3 FFDHE Reviewed-by: Tomas Mraz Reviewed-by: Matt Caswell (Merged from https://github.com/openssl/openssl/pull/8178) --- test/sslapitest.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) diff --git a/test/sslapitest.c b/test/sslapitest.c index 47c5be9e2d..819051704f 100644 --- a/test/sslapitest.c +++ b/test/sslapitest.c @@ -3735,6 +3735,109 @@ static int test_ciphersuite_change(void) return testresult; } +/* + * Test TLSv1.3 Key exchange + * Test 0 = Test ECDHE Key exchange + * Test 1 = Test FFDHE Key exchange + * Test 2 = Test ECDHE with TLSv1.2 client and TLSv1.2 server + * Test 3 = Test FFDHE with TLSv1.2 client and TLSv1.2 server + */ +static int test_tls13_key_exchange(int idx) +{ + SSL_CTX *sctx = NULL, *cctx = NULL; + SSL *serverssl = NULL, *clientssl = NULL; + int testresult = 0; + int ecdhe_kexch_groups[] = {NID_X9_62_prime256v1, NID_secp384r1, NID_secp521r1, + NID_X25519, NID_X448}; + int ffdhe_kexch_groups[] = {NID_ffdhe2048, NID_ffdhe3072, NID_ffdhe4096, + NID_ffdhe6144, NID_ffdhe8192}; + int *kexch_groups = NULL; + int kexch_groups_size = 0; + int max_version = TLS1_3_VERSION; + int want_err = SSL_ERROR_NONE; + int expected_err_func = 0; + int expected_err_reason = 0; + + switch (idx) { + case 0: + kexch_groups = ecdhe_kexch_groups; + kexch_groups_size = OSSL_NELEM(ecdhe_kexch_groups); + break; + case 1: + kexch_groups = ffdhe_kexch_groups; + kexch_groups_size = OSSL_NELEM(ffdhe_kexch_groups); + break; + case 2: + kexch_groups = ecdhe_kexch_groups; + kexch_groups_size = OSSL_NELEM(ecdhe_kexch_groups); + max_version = TLS1_2_VERSION; + expected_err_func = SSL_F_TLS_POST_PROCESS_CLIENT_HELLO; + expected_err_reason = SSL_R_NO_SHARED_CIPHER; + want_err = SSL_ERROR_SSL; + break; + case 3: + kexch_groups = ffdhe_kexch_groups; + kexch_groups_size = OSSL_NELEM(ffdhe_kexch_groups); + max_version = TLS1_2_VERSION; + want_err = SSL_ERROR_SSL; + expected_err_func = SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS; + expected_err_reason = ERR_R_INTERNAL_ERROR; + break; + } + + if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), + TLS1_VERSION, max_version, + &sctx, &cctx, cert, privkey))) + goto end; + + if (!TEST_true(SSL_CTX_set_ciphersuites(sctx, TLS1_3_RFC_AES_128_GCM_SHA256))) + goto end; + + if (!TEST_true(SSL_CTX_set_ciphersuites(cctx, TLS1_3_RFC_AES_128_GCM_SHA256))) + goto end; + + if (!TEST_true(SSL_CTX_set_cipher_list(sctx, TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CCM))) + goto end; + + if (!TEST_true(SSL_CTX_set_cipher_list(cctx, TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CCM))) + goto end; + + if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, + NULL, NULL))) + goto end; + + if (!TEST_true(SSL_set1_groups(serverssl, kexch_groups, kexch_groups_size)) + || !TEST_true(SSL_set1_groups(clientssl, kexch_groups, kexch_groups_size))) + goto end; + + if (!TEST_true(create_ssl_connection(serverssl, clientssl, want_err))) { + /* Fail only if no error is expected in handshake */ + if (expected_err_func == 0) + goto end; + } + + /* Fail if expected error is not happening for failure testcases */ + if (expected_err_func) { + unsigned long err_code = ERR_get_error(); + if (TEST_int_eq(ERR_GET_FUNC(err_code), expected_err_func) + && TEST_int_eq(ERR_GET_REASON(err_code), expected_err_reason)) + testresult = 1; + goto end; + } + + /* If Handshake succeeds the negotiated kexch alg should the first one in configured */ + if (!TEST_int_eq(SSL_get_shared_group(serverssl, 0), kexch_groups[0])) + goto end; + + testresult = 1; + end: + SSL_free(serverssl); + SSL_free(clientssl); + SSL_CTX_free(sctx); + SSL_CTX_free(cctx); + return testresult; +} + /* * Test TLSv1.3 PSKs * Test 0 = Test new style callbacks @@ -6536,6 +6639,7 @@ int setup_tests(void) #else ADD_ALL_TESTS(test_tls13_psk, 4); #endif /* OPENSSL_NO_PSK */ + ADD_ALL_TESTS(test_tls13_key_exchange, 4); ADD_ALL_TESTS(test_custom_exts, 5); ADD_TEST(test_stateless); ADD_TEST(test_pha_key_update); -- 2.25.1