nautilus_cryptography/providers.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2025 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use std::sync::Once;
17
18use rustls::crypto::{CryptoProvider, aws_lc_rs};
19
20// Static flag to ensure the provider is installed only once
21static INSTALL_PROVIDER: Once = Once::new();
22
23pub fn install_cryptographic_provider() {
24 INSTALL_PROVIDER.call_once(|| {
25 if CryptoProvider::get_default().is_none() {
26 tracing::debug!("Installing aws_lc_rs cryptographic provider");
27
28 match aws_lc_rs::default_provider().install_default() {
29 Ok(()) => tracing::debug!("Cryptographic provider installed successfully"),
30 Err(e) => tracing::debug!("Error installing cryptographic provider: {e:?}"),
31 }
32 }
33 });
34}