| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License 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. |
| |
| #include "kudu/security/security_flags.h" |
| |
| // The list of ciphers and minimum TLS protocol versions are influenced by the |
| // Mozilla Security Server Side TLS recommendations accessed March 2021, at |
| // https://wiki.mozilla.org/Security/Server_Side_TLS |
| namespace kudu { |
| namespace security { |
| |
| // This is TLSv1.2-related section from the "intermediate compatibility" cipher |
| // list of the Mozilla Security Server Side TLS recommendations without the |
| // DH AES ciphers: they are not included since we are not configured to use |
| // the DH key agreement. In addition, for compatibility with certain |
| // FIPS 140-2 environments where AES-GCM ciphers are not available at the |
| // client side (e.g. due to custom JSSE providers lacking AES-GCM ciphers), |
| // the AES-CCM and AES-CBC ciphers are added to be the ciphers of the least |
| // priority (with CCM prefered over CBC). |
| const char* const SecurityDefaults::SecurityDefaults::kDefaultTlsCiphers = |
| "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:" |
| "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:" |
| "ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-CCM:ECDHE-ECDSA-AES256-CCM:" |
| "ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:" |
| "ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384"; |
| |
| // This is the "modern compatibility" TLSv1.3 cipher list of the Mozilla |
| // Security Server Side TLS recommendations, accessed March 2021. |
| // https://wiki.mozilla.org/Security/Server_Side_TLS |
| const char* const SecurityDefaults::SecurityDefaults::kDefaultTlsCipherSuites = |
| "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256"; |
| |
| // According to the cipher lists above, the minimum supported TLS version among |
| // all the cipher suites is TLSv1.2. |
| const char* const SecurityDefaults::SecurityDefaults::kDefaultTlsMinVersion = "TLSv1.2"; |
| |
| } // namespace security |
| } // namespace kudu |