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refactor: Avoid unnecessary s2n_hmac calls in s2n_record_write (#4539)
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/* | ||
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"). | ||
* You may not use this file except in compliance with the License. | ||
* A copy of the License is located at | ||
* | ||
* http://aws.amazon.com/apache2.0 | ||
* | ||
* or in the "license" file accompanying this file. This file is distributed | ||
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
* express or implied. See the License for the specific language governing | ||
* permissions and limitations under the License. | ||
*/ | ||
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#include "s2n_test.h" | ||
#include "testlib/s2n_testlib.h" | ||
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int main(int argc, char **argv) | ||
{ | ||
BEGIN_TEST(); | ||
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char dhparams_pem[S2N_MAX_TEST_PEM_SIZE] = { 0 }; | ||
EXPECT_SUCCESS(s2n_read_test_pem(S2N_DEFAULT_TEST_DHPARAMS, dhparams_pem, S2N_MAX_TEST_PEM_SIZE)); | ||
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DEFER_CLEANUP(struct s2n_cert_chain_and_key *rsa_chain_and_key = NULL, s2n_cert_chain_and_key_ptr_free); | ||
EXPECT_SUCCESS(s2n_test_cert_chain_and_key_new(&rsa_chain_and_key, | ||
S2N_DEFAULT_TEST_CERT_CHAIN, S2N_DEFAULT_TEST_PRIVATE_KEY)); | ||
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DEFER_CLEANUP(struct s2n_cert_chain_and_key *ecdsa_chain_and_key = NULL, s2n_cert_chain_and_key_ptr_free); | ||
EXPECT_SUCCESS(s2n_test_cert_chain_and_key_new(&ecdsa_chain_and_key, | ||
S2N_DEFAULT_ECDSA_TEST_CERT_CHAIN, S2N_DEFAULT_ECDSA_TEST_PRIVATE_KEY)); | ||
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/* Self-talk test */ | ||
{ | ||
DEFER_CLEANUP(struct s2n_config *client_config = s2n_config_new_minimal(), s2n_config_ptr_free); | ||
EXPECT_NOT_NULL(client_config); | ||
EXPECT_SUCCESS(s2n_config_set_unsafe_for_testing(client_config)); | ||
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DEFER_CLEANUP(struct s2n_config *server_config = s2n_config_new_minimal(), s2n_config_ptr_free); | ||
EXPECT_SUCCESS(s2n_config_add_cert_chain_and_key_to_store(server_config, rsa_chain_and_key)); | ||
EXPECT_SUCCESS(s2n_config_add_cert_chain_and_key_to_store(server_config, ecdsa_chain_and_key)); | ||
EXPECT_SUCCESS(s2n_config_add_dhparams(server_config, dhparams_pem)); | ||
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/* Test both composite and non-composite CBC ciphers for all CBC cipher suites. */ | ||
size_t record_algs_tested = 0; | ||
for (size_t cipher_suite_idx = 0; cipher_suite_idx < cipher_preferences_test_all.count; cipher_suite_idx++) { | ||
uint8_t record_algs = cipher_preferences_test_all.suites[cipher_suite_idx]->num_record_algs; | ||
for (size_t record_alg_idx = 0; record_alg_idx < record_algs; record_alg_idx++) { | ||
struct s2n_cipher_suite test_cipher_suite = *cipher_preferences_test_all.suites[cipher_suite_idx]; | ||
test_cipher_suite.record_alg = test_cipher_suite.all_record_algs[record_alg_idx]; | ||
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/* Skip non-CBC ciphers. */ | ||
uint8_t cipher = test_cipher_suite.record_alg->cipher->type; | ||
if (cipher != S2N_CBC && cipher != S2N_COMPOSITE) { | ||
continue; | ||
} | ||
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/* Skip unsupported ciphers. */ | ||
if (!test_cipher_suite.record_alg->cipher->is_available()) { | ||
continue; | ||
} | ||
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struct s2n_cipher_suite *test_cipher_suite_ptr = &test_cipher_suite; | ||
struct s2n_cipher_preferences test_cipher_preferences = { | ||
.count = 1, | ||
.suites = &test_cipher_suite_ptr, | ||
}; | ||
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struct s2n_security_policy test_security_policy = security_policy_test_all; | ||
test_security_policy.cipher_preferences = &test_cipher_preferences; | ||
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DEFER_CLEANUP(struct s2n_connection *client = s2n_connection_new(S2N_CLIENT), | ||
s2n_connection_ptr_free); | ||
EXPECT_NOT_NULL(client); | ||
EXPECT_SUCCESS(s2n_connection_set_config(client, client_config)); | ||
client->security_policy_override = &test_security_policy; | ||
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DEFER_CLEANUP(struct s2n_connection *server = s2n_connection_new(S2N_SERVER), | ||
s2n_connection_ptr_free); | ||
EXPECT_NOT_NULL(server); | ||
EXPECT_SUCCESS(s2n_connection_set_config(server, server_config)); | ||
server->security_policy_override = &test_security_policy; | ||
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DEFER_CLEANUP(struct s2n_test_io_pair io_pair = { 0 }, s2n_io_pair_close); | ||
EXPECT_SUCCESS(s2n_io_pair_init_non_blocking(&io_pair)); | ||
EXPECT_SUCCESS(s2n_connection_set_io_pair(client, &io_pair)); | ||
EXPECT_SUCCESS(s2n_connection_set_io_pair(server, &io_pair)); | ||
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EXPECT_SUCCESS(s2n_negotiate_test_server_and_client(server, client)); | ||
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uint8_t negotiated_cipher_suite[S2N_TLS_CIPHER_SUITE_LEN] = { 0 }; | ||
EXPECT_SUCCESS(s2n_connection_get_cipher_iana_value(server, negotiated_cipher_suite, | ||
negotiated_cipher_suite + 1)); | ||
EXPECT_BYTEARRAY_EQUAL(negotiated_cipher_suite, test_cipher_suite.iana_value, | ||
S2N_TLS_CIPHER_SUITE_LEN); | ||
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EXPECT_OK(s2n_send_and_recv_test(client, server)); | ||
EXPECT_OK(s2n_send_and_recv_test(server, client)); | ||
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record_algs_tested += 1; | ||
} | ||
} | ||
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EXPECT_TRUE(record_algs_tested > 0); | ||
} | ||
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END_TEST(); | ||
} |
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